misc: chore: missed a collection expression usage in avalonia project

Target-typed new, remove var usage, use collection expressions, rename many fields & properties to match C# standard

.github/workflows/canary.yml

@@ -29,7 +29,7 @@ env:
 jobs:
   tag:
     name: Create tag
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
       - name: Get version info
         id: version_info
@@ -202,7 +202,7 @@ jobs:
 
   macos_release:
     name: Release MacOS universal
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v4
 

.github/workflows/release.yml

@@ -18,7 +18,7 @@ env:
 jobs:
   tag:
     name: Create tag
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
       - name: Get version info
         id: version_info
@@ -183,7 +183,7 @@ jobs:
 
   macos_release:
     name: Release MacOS universal
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v4
 

README.md

@@ -39,12 +39,12 @@
 <p align="center">
     Click below to join the Discord:
     <br>
-    <a href="https://discord.gg/dHPrkBkkyA">
+    <a href="https://discord.gg/PEuzjrFXUA">
         <img src="https://img.shields.io/discord/1294443224030511104?color=5865F2&label=Ryubing&logo=discord&logoColor=white" alt="Discord">
     </a>
     <br>
     <br>
-    <img src="https://raw.githubusercontent.com/GreemDev/Ryujinx/refs/heads/master/docs/shell.png">
+    <img src="https://raw.githubusercontent.com/Ryubing/Ryujinx/refs/heads/master/docs/shell.png">
 </p>
 
 ## Usage

docs/compatibility.csv

@@ -332,6 +332,7 @@
 0100E680149DC000,"Arcaea",,playable,2023-03-16 19:31:21
 01003C2010C78000,"Archaica: The Path Of Light",crash,nothing,2020-10-16 13:22:26
 01004DA012976000,"Area 86",,playable,2020-12-16 16:45:52
+01008d8006a6a000,"Arena of Valor",crash,boots,2025-02-03 22:19:34
 0100691013C46000,"ARIA CHRONICLE",,playable,2022-11-16 13:50:55
 0100D4A00B284000,"ARK: Survival Evolved",gpu;nvdec;online-broken;UE4;ldn-untested,ingame,2024-04-16 00:53:56
 0100C56012C96000,"Arkanoid vs. Space Invaders",services,ingame,2021-01-21 12:50:30
@@ -426,6 +427,7 @@
 0100E48013A34000,"Balan Wonderworld Demo",gpu;services;UE4;demo,ingame,2023-02-16 20:05:07
 0100CD801CE5E000,"Balatro",,ingame,2024-04-21 02:01:53
 010010A00DA48000,"Baldur's Gate and Baldur's Gate II: Enhanced Editions",32-bit,playable,2022-09-12 23:52:15
+0100fd1014726000,"Baldur's Gate: Dark Alliance",ldn-untested,ingame,2025-02-03 22:21:00
 0100BC400FB64000,"Balthazar's Dream",,playable,2022-09-13 00:13:22
 01008D30128E0000,"Bamerang",,playable,2022-10-26 00:29:39
 010013C010C5C000,"Banner of the Maid",,playable,2021-06-14 15:23:37
@@ -528,6 +530,7 @@
 01005950022EC000,"Blade Strangers",nvdec,playable,2022-07-17 19:02:43
 0100DF0011A6A000,"Bladed Fury",,playable,2022-10-26 11:36:26
 0100CFA00CC74000,"Blades of Time",deadlock;online,boots,2022-07-17 19:19:58
+01003d700dd8a000,"Blades",,boots,2025-02-03 22:22:00
 01006CC01182C000,"Blair Witch",nvdec;UE4,playable,2022-10-01 14:06:16
 010039501405E000,"Blanc",gpu;slow,ingame,2023-02-22 14:00:13
 0100698009C6E000,"Blasphemous",nvdec,playable,2021-03-01 12:15:31
@@ -955,7 +958,7 @@
 010012800EBAE000,"Disney TSUM TSUM FESTIVAL",crash,menus,2020-07-14 14:05:28
 01009740120FE000,"DISTRAINT 2",,playable,2020-09-03 16:08:12
 010075B004DD2000,"DISTRAINT: Deluxe Edition",,playable,2020-06-15 23:42:24
-010027400CDC6000,"Divinity: Original Sin 2 - Definitive Edition",services;crash;online-broken;regression,menus,2023-08-13 17:20:03
+010027400CDC6000,"Divinity: Original Sin 2 - Definitive Edition",services;crash;online-broken;regression,ingame,2025-02-03 22:12:30
 01001770115C8000,"Dodo Peak",nvdec;UE4,playable,2022-10-04 16:13:05
 010077B0100DA000,"Dogurai",,playable,2020-10-04 02:40:16
 010048100D51A000,"Dokapon Up! Mugen no Roulette",gpu;Needs Update,menus,2022-12-08 19:39:10
@@ -966,6 +969,7 @@
 0100751007ADA000,"Don't Starve: Nintendo Switch Edition",nvdec,playable,2022-02-05 20:43:34
 010088B010DD2000,"Dongo Adventure",,playable,2022-10-04 16:22:26
 0100C1F0051B6000,"Donkey Kong Country™: Tropical Freeze",,playable,2024-08-05 16:46:10
+01009D901BC56000,"Donkey Kong Country™: Returns HD",gpu,ingame,2025-02-16 13:44:12
 0100F2C00F060000,"Doodle Derby",,boots,2020-12-04 22:51:48
 0100416004C00000,"DOOM",gpu;slow;nvdec;online-broken,ingame,2024-09-23 15:40:07
 010018900DD00000,"DOOM (1993)",nvdec;online-broken,menus,2022-09-06 13:32:19
@@ -1155,7 +1159,7 @@
 010095600AA36000,"Fill-a-Pix: Phil's Epic Adventure",,playable,2020-12-22 13:48:22
 0100C3A00BB76000,"Fimbul",nvdec,playable,2022-07-26 13:31:47
 0100C8200E942000,"Fin and the Ancient Mystery",nvdec,playable,2020-12-17 16:40:39
-01000EA014150000,"FINAL FANTASY",crash,nothing,2024-09-05 20:55:30
+01000EA014150000,"FINAL FANTASY",,playable,2025-02-16 21:27:30
 01006B7014156000,"FINAL FANTASY II",crash,nothing,2024-04-13 19:18:04
 01006F000B056000,"FINAL FANTASY IX",audout;nvdec,playable,2021-06-05 11:35:00
 0100AA201415C000,"FINAL FANTASY V",,playable,2023-04-26 01:11:55
@@ -1246,7 +1250,7 @@
 0100A6B00D4EC000,"Furwind",,playable,2021-02-19 19:44:08
 0100ECE00C0C4000,"Fury Unleashed",crash;services,ingame,2020-10-18 11:52:40
 010070000ED9E000,"Fury Unleashed Demo",,playable,2020-10-08 20:09:21
-0100E1F013674000,"FUSER™",nvdec;UE4,playable,2022-10-17 20:58:32
+0100E1F013674000,"FUSER™",nvdec;UE4;slow;gpu,ingame,2025-02-12 16:03:00
 0100A7A015E4C000,"Fushigi no Gensokyo Lotus Labyrinth",Needs Update;audio;gpu;nvdec,ingame,2021-01-20 15:30:02
 01003C300B274000,"Futari de! Nyanko Daisensou",,playable,2024-01-05 22:26:52
 010055801134E000,"FUZE Player",online-broken;vulkan-backend-bug,ingame,2022-10-18 12:23:53
@@ -1654,7 +1658,7 @@
 0100A73006E74000,"Legendary Eleven",,playable,2021-06-08 12:09:03
 0100A7700B46C000,"Legendary Fishing",online,playable,2021-04-14 15:08:46
 0100739018020000,"LEGO® 2K Drive",gpu;ldn-works,ingame,2024-04-09 02:05:12
-01003A30012C0000,"LEGO® CITY Undercover",nvdec,playable,2024-09-30 08:44:27
+010085500130a000,"LEGO® CITY Undercover",nvdec,playable,2024-09-30 08:44:27
 010070D009FEC000,"LEGO® DC Super-Villains",,playable,2021-05-27 18:10:37
 010052A00B5D2000,"LEGO® Harry Potter™ Collection",crash,ingame,2024-01-31 10:28:07
 010073C01AF34000,"LEGO® Horizon Adventures™",vulkan-backend-bug;opengl-backend-bug;UE4,ingame,2025-01-07 04:24:56
@@ -1913,6 +1917,7 @@
 010073E008E6E000,"Mugsters",,playable,2021-01-28 17:57:17
 0100A8400471A000,"MUJO",,playable,2020-05-08 16:31:04
 0100211005E94000,"Mulaka",,playable,2021-01-28 18:07:20
+01008e2013fb4000,"Multi Quiz",ldn-untested,ingame,2025-02-03 22:26:00
 010038B00B9AE000,"Mummy Pinball",,playable,2022-08-05 16:08:11
 01008E200C5C2000,"Muse Dash",,playable,2020-06-06 14:41:29
 010035901046C000,"Mushroom Quest",,playable,2020-05-17 13:07:08
@@ -2028,6 +2033,7 @@
 010003C00B868000,"Ninjin: Clash of Carrots",online-broken,playable,2024-07-10 05:12:26
 0100746010E4C000,"NinNinDays",,playable,2022-11-20 15:17:29
 0100C9A00ECE6000,"Nintendo 64™ – Nintendo Switch Online",gpu;vulkan,ingame,2024-04-23 20:21:07
+0100e0601c632000,"Nintendo 64™ – Nintendo Switch Online: MATURE 17+",,ingame,2025-02-03 22:27:00
 0100D870045B6000,"Nintendo Entertainment System™ - Nintendo Switch Online",online,playable,2022-07-01 15:45:06
 0100C4B0034B2000,"Nintendo Labo Toy-Con 01 Variety Kit",gpu,ingame,2022-08-07 12:56:07
 01001E9003502000,"Nintendo Labo Toy-Con 03 Vehicle Kit",services;crash,menus,2022-08-03 17:20:11
@@ -2058,7 +2064,7 @@
 010002700C34C000,"Numbala",,playable,2020-05-11 12:01:07
 010020500C8C8000,"Number Place 10000",gpu,menus,2021-11-24 09:14:23
 010003701002C000,"Nurse Love Syndrome",,playable,2022-10-13 10:05:22
-0000000000000000,"nx-hbmenu",Needs Update;homebrew,boots,2024-04-06 22:05:32
+,"nx-hbmenu",Needs Update;homebrew,boots,2024-04-06 22:05:32
 ,"nxquake2",services;crash;homebrew,nothing,2022-08-04 23:14:04
 010049F00EC30000,"Nyan Cat: Lost in Space",online,playable,2021-06-12 13:22:03
 01002E6014FC4000,"O---O",,playable,2022-10-29 12:12:14
@@ -2466,7 +2472,7 @@
 0100AFE00DDAC000,"Royal Roads",,playable,2020-11-17 12:54:38
 0100E2C00B414000,"RPG Maker MV",nvdec,playable,2021-01-05 20:12:01
 01005CD015986000,"rRootage Reloaded",,playable,2022-08-05 23:20:18
-0000000000000000,"RSDKv5u",homebrew,ingame,2024-04-01 16:25:34
+,"RSDKv5u",homebrew,ingame,2024-04-01 16:25:34
 010009B00D33C000,"Rugby Challenge 4",slow;online-broken;UE4,playable,2022-10-06 12:45:53
 01006EC00F2CC000,"RUINER",UE4,playable,2022-10-03 14:11:33
 010074F00DE4A000,"Run the Fan",,playable,2021-02-27 13:36:28
@@ -2475,6 +2481,7 @@
 010081C0191D8000,"Rune Factory 3 Special",,playable,2023-10-15 08:32:49
 010051D00E3A4000,"Rune Factory 4 Special",32-bit;crash;nvdec,ingame,2023-05-06 08:49:17
 010014D01216E000,"Rune Factory 5 (JP)",gpu,ingame,2021-06-01 12:00:36
+010071E0145F8000,"Rustler",,playable,2025-02-10 20:17:12
 0100E21013908000,"RWBY: Grimm Eclipse - Definitive Edition",online-broken,playable,2022-11-03 10:44:01
 010012C0060F0000,"RXN -Raijin-",nvdec,playable,2021-01-10 16:05:43
 0100B8B012ECA000,"S.N.I.P.E.R. - Hunter Scope",,playable,2021-04-19 15:58:09
@@ -2483,7 +2490,7 @@
 0100A5200C2E0000,"Safety First!",,playable,2021-01-06 09:05:23
 0100A51013530000,"SaGa Frontier Remastered",nvdec,playable,2022-11-03 13:54:56
 010003A00D0B4000,"SaGa SCARLET GRACE: AMBITIONS™",,playable,2022-10-06 13:20:31
-01008D100D43E000,"Saints Row IV®: Re-Elected™",ldn-untested;LAN,playable,2023-12-04 18:33:37
+01008D100D43E000,"Saints Row IV®: Re-Elected™",ldn-untested;LAN;deadlock,ingame,2025-02-02 16:57:53
 0100DE600BEEE000,"SAINTS ROW®: THE THIRD™ - THE FULL PACKAGE",slow;LAN,playable,2023-08-24 02:40:58
 01007F000EB36000,"Sakai and...",nvdec,playable,2022-12-15 13:53:19
 0100B1400E8FE000,"Sakuna: Of Rice and Ruin",,playable,2023-07-24 13:47:13
@@ -2532,7 +2539,7 @@
 0100C3E00B700000,"SEGA AGES Space Harrier",,playable,2021-01-11 12:57:40
 010054400D2E6000,"SEGA AGES Virtua Racing",online-broken,playable,2023-01-29 17:08:39
 01001E700AC60000,"SEGA AGES Wonder Boy: Monster Land",online,playable,2021-05-05 16:28:25
-0100B3C014BDA000,"SEGA Genesis™ – Nintendo Switch Online",crash;regression,nothing,2022-04-11 07:27:21
+0100B3C014BDA000,"SEGA Genesis™ – Nintendo Switch Online",crash;regression,ingame,2025-02-03 22:13:30
 0100F7300B24E000,"SEGA Mega Drive Classics",online,playable,2021-01-05 11:08:00
 01009840046BC000,"Semispheres",,playable,2021-01-06 23:08:31
 0100D1800D902000,"SENRAN KAGURA Peach Ball",,playable,2021-06-03 15:12:10
@@ -2668,10 +2675,10 @@
 01004F401BEBE000,"Song of Nunu: A League of Legends Story",,ingame,2024-07-12 18:53:44
 0100E5400BF94000,"Songbird Symphony",,playable,2021-02-27 02:44:04
 010031D00A604000,"Songbringer",,playable,2020-06-22 10:42:02
-0000000000000000,"Sonic 1 (2013)",crash;homebrew,ingame,2024-04-06 18:31:20
-0000000000000000,"Sonic 2 (2013)",crash;homebrew,ingame,2024-04-01 16:25:30
-0000000000000000,"Sonic A.I.R",homebrew,ingame,2024-04-01 16:25:32
-0000000000000000,"Sonic CD",crash;homebrew,ingame,2024-04-01 16:25:31
+,"Sonic 1 (2013)",crash;homebrew,ingame,2024-04-06 18:31:20
+,"Sonic 2 (2013)",crash;homebrew,ingame,2024-04-01 16:25:30
+,"Sonic A.I.R",homebrew,ingame,2024-04-01 16:25:32
+,"Sonic CD",crash;homebrew,ingame,2024-04-01 16:25:31
 010040E0116B8000,"Sonic Colors: Ultimate",,playable,2022-11-12 21:24:26
 01001270012B6000,"SONIC FORCES™",,playable,2024-07-28 13:11:21
 01004AD014BF0000,"Sonic Frontiers",gpu;deadlock;amd-vendor-bug;intel-vendor-bug,ingame,2024-09-05 09:18:53
@@ -2688,7 +2695,7 @@
 0100707011722000,"Space Elite Force",,playable,2020-11-27 15:21:05
 010047B010260000,"Space Pioneer",,playable,2022-10-20 12:24:37
 010010A009830000,"Space Ribbon",,playable,2022-08-15 17:17:10
-0000000000000000,"SpaceCadetPinball",homebrew,ingame,2024-04-18 19:30:04
+,"SpaceCadetPinball",homebrew,ingame,2024-04-18 19:30:04
 0100D9B0041CE000,"Spacecats with Lasers",,playable,2022-08-15 17:22:44
 010034800FB60000,"Spaceland",,playable,2020-11-01 14:31:56
 010028D0045CE000,"Sparkle 2",,playable,2020-10-19 11:51:39
@@ -2832,8 +2839,9 @@
 01009B90006DC000,"Super Mario Maker™ 2",online-broken;ldn-broken,playable,2024-08-25 11:05:19
 0100000000010000,"Super Mario Odyssey™",nvdec;intel-vendor-bug;mac-bug,playable,2024-08-25 01:32:34
 010036B0034E4000,"Super Mario Party™",gpu;Needs Update;ldn-works,ingame,2024-06-21 05:10:16
+0100965017338000,"Super Mario Party Jamboree",mac-bug;gpu,ingame,2025-02-17 02:09:20
 0100BC0018138000,"Super Mario RPG™",gpu;audio;nvdec,ingame,2024-06-19 17:43:42
-0000000000000000,"Super Mario World",homebrew,boots,2024-06-13 01:40:31
+,"Super Mario World",homebrew,boots,2024-06-13 01:40:31
 010049900F546000,"Super Mario™ 3D All-Stars",services-horizon;slow;vulkan;amd-vendor-bug,ingame,2024-05-07 02:38:16
 010028600EBDA000,"Super Mario™ 3D World + Bowser’s Fury",ldn-works,playable,2024-07-31 10:45:37
 01004F8006A78000,"Super Meat Boy",services,playable,2020-04-02 23:10:07
@@ -2964,6 +2972,7 @@
 0100C38004DCC000,"The Flame In The Flood: Complete Edition",gpu;nvdec;UE4,ingame,2022-08-22 16:23:49
 010007700D4AC000,"The Forbidden Arts",,playable,2021-01-26 16:26:24
 010030700CBBC000,"The friends of Ringo Ishikawa",,playable,2022-08-22 16:33:17
+0100b620139d8000,"The Game of Life 2",ldn-untested,ingame,2025-02-03 22:30:00
 01006350148DA000,"The Gardener and the Wild Vines",gpu,ingame,2024-04-29 16:32:10
 0100B13007A6A000,"The Gardens Between",,playable,2021-01-29 16:16:53
 010036E00FB20000,"The Great Ace Attorney Chronicles",,playable,2023-06-22 21:26:29
@@ -2981,6 +2990,8 @@
 010015D003EE4000,"The Jackbox Party Pack 2",online-working,playable,2022-08-22 18:23:40
 0100CC80013D6000,"The Jackbox Party Pack 3",slow;online-working,playable,2022-08-22 18:41:06
 0100E1F003EE8000,"The Jackbox Party Pack 4",online-working,playable,2022-08-22 18:56:34
+01006fe0096ac000,"The Jackbox Party Pack 5",slow;online-working,ingame,2025-02-14 05:32:00
+01005a400db52000,"The Jackbox Party Pack 6",slow;online-working,ingame,2025-02-14 05:26:00
 010052C00B184000,"The Journey Down: Chapter One",nvdec,playable,2021-02-24 13:32:41
 01006BC00B188000,"The Journey Down: Chapter Three",nvdec,playable,2021-02-24 13:45:27
 01009AB00B186000,"The Journey Down: Chapter Two",nvdec,playable,2021-02-24 13:32:13
@@ -3159,6 +3170,7 @@
 010055E00CA68000,"Trine 4: The Nightmare Prince",gpu,nothing,2025-01-07 05:47:46
 0100D9000A930000,"Trine Enchanted Edition",ldn-untested;nvdec,playable,2021-06-03 11:28:15
 01002D7010A54000,"Trinity Trigger",crash,ingame,2023-03-03 03:09:09
+010020700a5e0000,"TRIVIAL PURSUIT Live!",ldn-untested,ingame,2025-02-03 22:35:00
 0100868013FFC000,"TRIVIAL PURSUIT Live! 2",,boots,2022-12-19 00:04:33
 0100F78002040000,"Troll and I™",gpu;nvdec,ingame,2021-06-04 16:58:50
 0100145011008000,"Trollhunters: Defenders of Arcadia",gpu;nvdec,ingame,2020-11-30 13:27:09
@@ -3208,6 +3220,7 @@
 0100AB2010B4C000,"Unlock The King",,playable,2020-09-01 13:58:27
 0100A3E011CB0000,"Unlock the King 2",,playable,2021-06-15 20:43:55
 01005AA00372A000,"UNO® for Nintendo Switch",nvdec;ldn-untested,playable,2022-07-28 14:49:47
+0100b6e012ebe000,"UNO",ldn-untested,ingame,2025-02-03 22:40:00
 0100E5D00CC0C000,"Unravel Two",nvdec,playable,2024-05-23 15:45:05
 010001300CC4A000,"Unruly Heroes",,playable,2021-01-07 18:09:31
 0100B410138C0000,"Unspottable",,playable,2022-10-25 19:28:49
@@ -3372,6 +3385,7 @@
 0100F47016F26000,"Yomawari 3",,playable,2022-05-10 08:26:51
 010012F00B6F2000,"Yomawari: The Long Night Collection",,playable,2022-09-03 14:36:59
 0100CC600ABB2000,"Yonder: The Cloud Catcher Chronicles (Retail Only)",,playable,2021-01-28 14:06:25
+0100534009ff2000,"Yonder: The Cloud Catcher Chronicles",,playable,2025-02-03 22:19:13
 0100BE50042F6000,"Yono and the Celestial Elephants",,playable,2021-01-28 18:23:58
 0100F110029C8000,"Yooka-Laylee",,playable,2021-01-28 14:21:45
 010022F00DA66000,"Yooka-Laylee and the Impossible Lair",,playable,2021-03-05 17:32:21

src/ARMeilleure/CodeGen/CompiledFunction.cs

@@ -1,7 +1,6 @@
 using ARMeilleure.CodeGen.Linking;
 using ARMeilleure.CodeGen.Unwinding;
 using ARMeilleure.Translation.Cache;
-using System;
 using System.Runtime.InteropServices;
 
 namespace ARMeilleure.CodeGen

src/ARMeilleure/IntermediateRepresentation/MemoryOperand.cs

@@ -1,4 +1,3 @@
-using System;
 using System.Diagnostics;
 using System.Runtime.CompilerServices;
 

src/ARMeilleure/Memory/ReservedRegion.cs

@@ -7,6 +7,7 @@ namespace ARMeilleure.Memory
         public const int DefaultGranularity = 65536; // Mapping granularity in Windows.
 
         public IJitMemoryBlock Block { get; }
+        public IJitMemoryAllocator Allocator { get; }
 
         public nint Pointer => Block.Pointer;
 
@@ -21,6 +22,7 @@ namespace ARMeilleure.Memory
                 granularity = DefaultGranularity;
             }
 
+            Allocator = allocator;
             Block = allocator.Reserve(maxSize);
             _maxSize = maxSize;
             _sizeGranularity = granularity;

src/ARMeilleure/Native/JitSupportDarwin.cs

@@ -1,4 +1,3 @@
-using System;
 using System.Runtime.InteropServices;
 using System.Runtime.Versioning;
 

src/ARMeilleure/Signal/TestMethods.cs

@@ -1,6 +1,5 @@
 using ARMeilleure.IntermediateRepresentation;
 using ARMeilleure.Translation;
-using System;
 using System.Runtime.InteropServices;
 using static ARMeilleure.IntermediateRepresentation.Operand.Factory;
 

src/ARMeilleure/Signal/WindowsPartialUnmapHandler.cs

@@ -1,7 +1,6 @@
 using ARMeilleure.IntermediateRepresentation;
 using ARMeilleure.Translation;
 using Ryujinx.Common.Memory.PartialUnmaps;
-using System;
 using System.Runtime.InteropServices;
 using static ARMeilleure.IntermediateRepresentation.Operand.Factory;
 

src/ARMeilleure/State/ExecutionContext.cs

@@ -1,5 +1,4 @@
 using ARMeilleure.Memory;
-using System;
 
 namespace ARMeilleure.State
 {

src/ARMeilleure/Translation/ArmEmitterContext.cs

@@ -6,7 +6,6 @@ using ARMeilleure.Instructions;
 using ARMeilleure.IntermediateRepresentation;
 using ARMeilleure.Memory;
 using ARMeilleure.State;
-using System;
 using System.Collections.Generic;
 using System.Reflection;
 using static ARMeilleure.IntermediateRepresentation.Operand.Factory;

src/ARMeilleure/Translation/Cache/JitCache.cs

@@ -2,6 +2,8 @@ using ARMeilleure.CodeGen;
 using ARMeilleure.CodeGen.Unwinding;
 using ARMeilleure.Memory;
 using ARMeilleure.Native;
+using Humanizer;
+using Ryujinx.Common.Logging;
 using Ryujinx.Memory;
 using System;
 using System.Collections.Generic;
@@ -18,9 +20,8 @@ namespace ARMeilleure.Translation.Cache
         private static readonly int _pageMask = _pageSize - 1;
 
         private const int CodeAlignment = 4; // Bytes.
-        private const int CacheSize = 2047 * 1024 * 1024;
+        private const int CacheSize = 256 * 1024 * 1024;
 
-        private static ReservedRegion _jitRegion;
         private static JitCacheInvalidation _jitCacheInvalidator;
 
         private static CacheMemoryAllocator _cacheAllocator;
@@ -30,6 +31,9 @@ namespace ARMeilleure.Translation.Cache
         private static readonly Lock _lock = new();
         private static bool _initialized;
 
+        private static readonly List<ReservedRegion> _jitRegions = [];
+        private static int _activeRegionIndex = 0;
+
         [SupportedOSPlatform("windows")]
         [LibraryImport("kernel32.dll", SetLastError = true)]
         public static partial nint FlushInstructionCache(nint hProcess, nint lpAddress, nuint dwSize);
@@ -48,7 +52,9 @@ namespace ARMeilleure.Translation.Cache
                     return;
                 }
 
-                _jitRegion = new ReservedRegion(allocator, CacheSize);
+                ReservedRegion firstRegion = new(allocator, CacheSize);
+                _jitRegions.Add(firstRegion);
+                _activeRegionIndex = 0;
 
                 if (!OperatingSystem.IsWindows() && !OperatingSystem.IsMacOS())
                 {
@@ -59,7 +65,9 @@ namespace ARMeilleure.Translation.Cache
 
                 if (OperatingSystem.IsWindows())
                 {
-                    JitUnwindWindows.InstallFunctionTableHandler(_jitRegion.Pointer, CacheSize, _jitRegion.Pointer + Allocate(_pageSize));
+                    JitUnwindWindows.InstallFunctionTableHandler(
+                        firstRegion.Pointer, CacheSize, firstRegion.Pointer + Allocate(_pageSize)
+                    );
                 }
 
                 _initialized = true;
@@ -75,8 +83,8 @@ namespace ARMeilleure.Translation.Cache
                 Debug.Assert(_initialized);
 
                 int funcOffset = Allocate(code.Length);
-
-                nint funcPtr = _jitRegion.Pointer + funcOffset;
+                ReservedRegion targetRegion = _jitRegions[_activeRegionIndex];
+                nint funcPtr = targetRegion.Pointer + funcOffset;
 
                 if (OperatingSystem.IsMacOS() && RuntimeInformation.ProcessArchitecture == Architecture.Arm64)
                 {
@@ -90,9 +98,9 @@ namespace ARMeilleure.Translation.Cache
                 }
                 else
                 {
-                    ReprotectAsWritable(funcOffset, code.Length);
+                    ReprotectAsWritable(targetRegion, funcOffset, code.Length);
                     Marshal.Copy(code, 0, funcPtr, code.Length);
-                    ReprotectAsExecutable(funcOffset, code.Length);
+                    ReprotectAsExecutable(targetRegion, funcOffset, code.Length);
 
                     if (OperatingSystem.IsWindows() && RuntimeInformation.ProcessArchitecture == Architecture.Arm64)
                     {
@@ -116,52 +124,83 @@ namespace ARMeilleure.Translation.Cache
             {
                 Debug.Assert(_initialized);
 
-                int funcOffset = (int)(pointer.ToInt64() - _jitRegion.Pointer.ToInt64());
-
-                if (TryFind(funcOffset, out CacheEntry entry, out int entryIndex) && entry.Offset == funcOffset)
+                foreach (ReservedRegion region in _jitRegions)
                 {
-                    _cacheAllocator.Free(funcOffset, AlignCodeSize(entry.Size));
-                    _cacheEntries.RemoveAt(entryIndex);
+                    if (pointer.ToInt64() < region.Pointer.ToInt64() ||
+                        pointer.ToInt64() >= (region.Pointer + CacheSize).ToInt64())
+                    {
+                        continue;
+                    }
+
+                    int funcOffset = (int)(pointer.ToInt64() - region.Pointer.ToInt64());
+
+                    if (TryFind(funcOffset, out CacheEntry entry, out int entryIndex) && entry.Offset == funcOffset)
+                    {
+                        _cacheAllocator.Free(funcOffset, AlignCodeSize(entry.Size));
+                        _cacheEntries.RemoveAt(entryIndex);
+                    }
+
+                    return;
                 }
             }
         }
 
-        private static void ReprotectAsWritable(int offset, int size)
+        private static void ReprotectAsWritable(ReservedRegion region, int offset, int size)
         {
             int endOffs = offset + size;
-
             int regionStart = offset & ~_pageMask;
             int regionEnd = (endOffs + _pageMask) & ~_pageMask;
 
-            _jitRegion.Block.MapAsRwx((ulong)regionStart, (ulong)(regionEnd - regionStart));
+            region.Block.MapAsRwx((ulong)regionStart, (ulong)(regionEnd - regionStart));
         }
 
-        private static void ReprotectAsExecutable(int offset, int size)
+        private static void ReprotectAsExecutable(ReservedRegion region, int offset, int size)
         {
             int endOffs = offset + size;
-
             int regionStart = offset & ~_pageMask;
             int regionEnd = (endOffs + _pageMask) & ~_pageMask;
 
-            _jitRegion.Block.MapAsRx((ulong)regionStart, (ulong)(regionEnd - regionStart));
+            region.Block.MapAsRx((ulong)regionStart, (ulong)(regionEnd - regionStart));
         }
 
         private static int Allocate(int codeSize)
         {
             codeSize = AlignCodeSize(codeSize);
 
-            int allocOffset = _cacheAllocator.Allocate(codeSize);
-
-            if (allocOffset < 0)
+            for (int i = _activeRegionIndex; i < _jitRegions.Count; i++)
             {
-                throw new OutOfMemoryException("JIT Cache exhausted.");
+                int allocOffset = _cacheAllocator.Allocate(codeSize);
+        
+                if (allocOffset >= 0)
+                {
+                    _jitRegions[i].ExpandIfNeeded((ulong)allocOffset + (ulong)codeSize);
+                    _activeRegionIndex = i;
+                    return allocOffset;
+                }
             }
 
-            _jitRegion.ExpandIfNeeded((ulong)allocOffset + (ulong)codeSize);
+            int exhaustedRegion = _activeRegionIndex;
+            ReservedRegion newRegion = new(_jitRegions[0].Allocator, CacheSize);
+            _jitRegions.Add(newRegion);
+            _activeRegionIndex = _jitRegions.Count - 1;
+            
+            int newRegionNumber = _activeRegionIndex;
 
-            return allocOffset;
+            Logger.Warning?.Print(LogClass.Cpu, $"JIT Cache Region {exhaustedRegion} exhausted, creating new Cache Region {newRegionNumber} ({((long)(newRegionNumber + 1) * CacheSize).Bytes()} Total Allocation).");
+        
+            _cacheAllocator = new CacheMemoryAllocator(CacheSize);
+
+            int allocOffsetNew = _cacheAllocator.Allocate(codeSize);
+            if (allocOffsetNew < 0)
+            {
+                throw new OutOfMemoryException("Failed to allocate in new Cache Region!");
+            }
+
+            newRegion.ExpandIfNeeded((ulong)allocOffsetNew + (ulong)codeSize);
+            return allocOffsetNew;
         }
 
+
         private static int AlignCodeSize(int codeSize)
         {
             return checked(codeSize + (CodeAlignment - 1)) & ~(CodeAlignment - 1);
@@ -185,18 +224,21 @@ namespace ARMeilleure.Translation.Cache
         {
             lock (_lock)
             {
-                int index = _cacheEntries.BinarySearch(new CacheEntry(offset, 0, default));
-
-                if (index < 0)
+                foreach (ReservedRegion _ in _jitRegions)
                 {
-                    index = ~index - 1;
-                }
+                    int index = _cacheEntries.BinarySearch(new CacheEntry(offset, 0, default));
 
-                if (index >= 0)
-                {
-                    entry = _cacheEntries[index];
-                    entryIndex = index;
-                    return true;
+                    if (index < 0)
+                    {
+                        index = ~index - 1;
+                    }
+
+                    if (index >= 0)
+                    {
+                        entry = _cacheEntries[index];
+                        entryIndex = index;
+                        return true;
+                    }
                 }
             }
 

src/ARMeilleure/Translation/Cache/JitCacheInvalidation.cs

@@ -1,5 +1,4 @@
 using ARMeilleure.Memory;
-using System;
 using System.Runtime.InteropServices;
 
 namespace ARMeilleure.Translation.Cache

src/ARMeilleure/Translation/DelegateInfo.cs

@@ -1,5 +1,3 @@
-using System;
-
 namespace ARMeilleure.Translation
 {
     class DelegateInfo

src/ARMeilleure/Translation/DispatcherFunction.cs

@@ -1,5 +1,3 @@
-using System;
-
 namespace ARMeilleure.Translation
 {
     delegate void DispatcherFunction(nint nativeContext, ulong startAddress);

src/ARMeilleure/Translation/GuestFunction.cs

@@ -1,5 +1,3 @@
-using System;
-
 namespace ARMeilleure.Translation
 {
     delegate ulong GuestFunction(nint nativeContextPtr);

src/ARMeilleure/Translation/PTC/PtcProfiler.cs

@@ -144,17 +144,15 @@ namespace ARMeilleure.Translation.PTC
 
         public List<ulong> GetBlacklistedFunctions()
         {
-            List<ulong> funcs = new List<ulong>();
+            List<ulong> funcs = [];
 
-            foreach (var profiledFunc in ProfiledFuncs)
+            foreach ((ulong ptr, FuncProfile funcProfile) in ProfiledFuncs)
             {
-                if (profiledFunc.Value.Blacklist)
-                {
-                    if (!funcs.Contains(profiledFunc.Key))
-                    {
-                        funcs.Add(profiledFunc.Key);
-                    }
-                }
+                if (!funcProfile.Blacklist)
+                    continue;
+
+                if (!funcs.Contains(ptr)) 
+                    funcs.Add(ptr);
             }
 
             return funcs;

src/ARMeilleure/Translation/TranslatedFunction.cs

@@ -1,5 +1,4 @@
 using ARMeilleure.Common;
-using System;
 
 namespace ARMeilleure.Translation
 {

src/ARMeilleure/Translation/Translator.cs

@@ -5,7 +5,6 @@ using ARMeilleure.Diagnostics;
 using ARMeilleure.Instructions;
 using ARMeilleure.IntermediateRepresentation;
 using ARMeilleure.Memory;
-using ARMeilleure.Signal;
 using ARMeilleure.State;
 using ARMeilleure.Translation.Cache;
 using ARMeilleure.Translation.PTC;

src/ARMeilleure/Translation/TranslatorStubs.cs

@@ -4,7 +4,6 @@ using ARMeilleure.IntermediateRepresentation;
 using ARMeilleure.State;
 using ARMeilleure.Translation.Cache;
 using System;
-using System.Reflection;
 using System.Runtime.InteropServices;
 using static ARMeilleure.IntermediateRepresentation.Operand.Factory;
 

src/Ryujinx.Audio.Backends.SDL2/SDL2HardwareDeviceSession.cs

@@ -4,7 +4,6 @@ using Ryujinx.Common.Logging;
 using Ryujinx.Common.Memory;
 using Ryujinx.Memory;
 using System;
-using System.Buffers;
 using System.Collections.Concurrent;
 using System.Threading;
 

src/Ryujinx.Audio.Backends.SoundIo/Native/SoundIo.cs

@@ -1,5 +1,4 @@
 using Ryujinx.Common.Memory;
-using System;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 

src/Ryujinx.Audio.Backends.SoundIo/Native/SoundIoDeviceContext.cs

@@ -1,4 +1,3 @@
-using System;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 using static Ryujinx.Audio.Backends.SoundIo.Native.SoundIo;

src/Ryujinx.Audio.Backends.SoundIo/SoundIoHardwareDeviceSession.cs

@@ -4,7 +4,6 @@ using Ryujinx.Audio.Common;
 using Ryujinx.Common.Memory;
 using Ryujinx.Memory;
 using System;
-using System.Buffers;
 using System.Collections.Concurrent;
 using System.Runtime.CompilerServices;
 using System.Threading;

src/Ryujinx.Audio/Backends/Common/DynamicRingBuffer.cs

@@ -1,7 +1,6 @@
 using Ryujinx.Common;
 using Ryujinx.Common.Memory;
 using System;
-using System.Buffers;
 using System.Threading;
 
 namespace Ryujinx.Audio.Backends.Common

src/Ryujinx.Audio/Renderer/Server/MemoryPool/MemoryPoolState.cs

@@ -1,4 +1,3 @@
-using System;
 using System.Runtime.InteropServices;
 using CpuAddress = System.UInt64;
 using DspAddress = System.UInt64;

src/Ryujinx.Common/Configuration/VSyncMode.cs

@@ -6,4 +6,16 @@ namespace Ryujinx.Common.Configuration
         Unbounded,
         Custom
     }
+    
+    public static class VSyncModeExtensions
+    {
+        public static VSyncMode Next(this VSyncMode vsync, bool customEnabled = false) =>
+            vsync switch
+            {
+                VSyncMode.Switch => customEnabled ? VSyncMode.Custom : VSyncMode.Unbounded,
+                VSyncMode.Unbounded => VSyncMode.Switch,
+                VSyncMode.Custom => VSyncMode.Unbounded,
+                _ => VSyncMode.Switch
+            };
+    }
 }

src/Ryujinx.Common/Helpers/FileAssociationHelper.cs

@@ -1,5 +1,4 @@
 using Microsoft.Win32;
-using Ryujinx.Common;
 using Ryujinx.Common.Logging;
 using System;
 using System.Diagnostics;

src/Ryujinx.Common/Helpers/ObjectiveC.cs

@@ -1,4 +1,3 @@
-using System;
 using System.Runtime.InteropServices;
 using System.Runtime.Versioning;
 

src/Ryujinx.Common/Helpers/Patterns.cs

@@ -0,0 +1,118 @@
+using System.Text.RegularExpressions;
+
+namespace Ryujinx.Common.Helper
+{
+    public static partial class Patterns
+    {
+        #region Accessors
+
+        public static readonly Regex Numeric = NumericRegex();
+
+        public static readonly Regex AmdGcn = AmdGcnRegex();
+        public static readonly Regex NvidiaConsumerClass = NvidiaConsumerClassRegex();
+
+        public static readonly Regex DomainLp1Ns = DomainLp1NsRegex();
+        public static readonly Regex DomainLp1Lp1Npln = DomainLp1Lp1NplnRegex();
+        public static readonly Regex DomainLp1Znc = DomainLp1ZncRegex();
+        public static readonly Regex DomainSbApi = DomainSbApiRegex();
+        public static readonly Regex DomainSbAccounts = DomainSbAccountsRegex();
+        public static readonly Regex DomainAccounts = DomainAccountsRegex();
+
+        public static readonly Regex Module = ModuleRegex();
+        public static readonly Regex FsSdk = FsSdkRegex();
+        public static readonly Regex SdkMw = SdkMwRegex();
+
+        // ReSharper disable once InconsistentNaming
+        public static readonly Regex CJK = CJKRegex();
+
+        public static readonly Regex LdnPassphrase = LdnPassphraseRegex();
+
+        public static readonly Regex CleanText = CleanTextRegex();
+
+        #endregion
+
+        #region Generated pattern stubs
+
+        #region Numeric validation
+
+        [GeneratedRegex("[0-9]|.")]
+        internal static partial Regex NumericRegex();
+
+        #endregion
+
+        #region GPU names
+
+        [GeneratedRegex(
+            "Radeon (((HD|R(5|7|9|X)) )?((M?[2-6]\\d{2}(\\D|$))|([7-8]\\d{3}(\\D|$))|Fury|Nano))|(Pro Duo)")]
+        internal static partial Regex AmdGcnRegex();
+
+        [GeneratedRegex("NVIDIA GeForce (R|G)?TX? (\\d{3}\\d?)M?")]
+        internal static partial Regex NvidiaConsumerClassRegex();
+
+        #endregion
+
+        #region DNS blocking
+
+        public static readonly Regex[] BlockedHosts =
+        [
+            DomainLp1Ns,
+            DomainLp1Lp1Npln,
+            DomainLp1Znc,
+            DomainSbApi,
+            DomainSbAccounts,
+            DomainAccounts
+        ];
+
+        const RegexOptions DnsRegexOpts =
+            RegexOptions.CultureInvariant | RegexOptions.IgnoreCase | RegexOptions.ExplicitCapture;
+
+        [GeneratedRegex(@"^(.*)\-lp1\.(n|s)\.n\.srv\.nintendo\.net$", DnsRegexOpts)]
+        internal static partial Regex DomainLp1NsRegex();
+
+        [GeneratedRegex(@"^(.*)\-lp1\.lp1\.t\.npln\.srv\.nintendo\.net$", DnsRegexOpts)]
+        internal static partial Regex DomainLp1Lp1NplnRegex();
+
+        [GeneratedRegex(@"^(.*)\-lp1\.(znc|p)\.srv\.nintendo\.net$", DnsRegexOpts)]
+        internal static partial Regex DomainLp1ZncRegex();
+
+        [GeneratedRegex(@"^(.*)\-sb\-api\.accounts\.nintendo\.com$", DnsRegexOpts)]
+        internal static partial Regex DomainSbApiRegex();
+
+        [GeneratedRegex(@"^(.*)\-sb\.accounts\.nintendo\.com$", DnsRegexOpts)]
+        internal static partial Regex DomainSbAccountsRegex();
+
+        [GeneratedRegex(@"^accounts\.nintendo\.com$", DnsRegexOpts)]
+        internal static partial Regex DomainAccountsRegex();
+
+        #endregion
+
+        #region Executable information
+
+        [GeneratedRegex(@"[a-z]:[\\/][ -~]{5,}\.nss", RegexOptions.IgnoreCase | RegexOptions.CultureInvariant)]
+        internal static partial Regex ModuleRegex();
+
+        [GeneratedRegex(@"sdk_version: ([0-9.]*)")]
+        internal static partial Regex FsSdkRegex();
+
+        [GeneratedRegex(@"SDK MW[ -~]*")]
+        internal static partial Regex SdkMwRegex();
+
+        #endregion
+
+        #region CJK
+
+        [GeneratedRegex(
+            "\\p{IsHangulJamo}|\\p{IsCJKRadicalsSupplement}|\\p{IsCJKSymbolsandPunctuation}|\\p{IsEnclosedCJKLettersandMonths}|\\p{IsCJKCompatibility}|\\p{IsCJKUnifiedIdeographsExtensionA}|\\p{IsCJKUnifiedIdeographs}|\\p{IsHangulSyllables}|\\p{IsCJKCompatibilityForms}")]
+        private static partial Regex CJKRegex();
+
+        #endregion
+
+        [GeneratedRegex("Ryujinx-[0-9a-f]{8}")]
+        private static partial Regex LdnPassphraseRegex();
+
+        [GeneratedRegex(@"[^\u0000\u0009\u000A\u000D\u0020-\uFFFF]..")]
+        private static partial Regex CleanTextRegex();
+
+        #endregion
+    }
+}

src/Ryujinx.Common/Helpers/RunningPlatform.cs

@@ -10,14 +10,18 @@ namespace Ryujinx.Common.Helper
         public static bool IsMacOS => OperatingSystem.IsMacOS();
         public static bool IsWindows => OperatingSystem.IsWindows();
         public static bool IsLinux => OperatingSystem.IsLinux();
+        
+        public static bool IsArm => RuntimeInformation.OSArchitecture is Architecture.Arm64;
+        
+        public static bool IsX64 => RuntimeInformation.OSArchitecture is Architecture.X64;
 
-        public static bool IsIntelMac => IsMacOS && RuntimeInformation.OSArchitecture is Architecture.X64;
-        public static bool IsArmMac => IsMacOS && RuntimeInformation.OSArchitecture is Architecture.Arm64;
+        public static bool IsIntelMac => IsMacOS && IsX64;
+        public static bool IsArmMac => IsMacOS && IsArm;
         
-        public static bool IsX64Windows => IsWindows && (RuntimeInformation.OSArchitecture is Architecture.X64);
-        public static bool IsArmWindows => IsWindows && (RuntimeInformation.OSArchitecture is Architecture.Arm64);
+        public static bool IsX64Windows => IsWindows && IsX64;
+        public static bool IsArmWindows => IsWindows && IsArm;
         
-        public static bool IsX64Linux => IsLinux && (RuntimeInformation.OSArchitecture is Architecture.X64);
-        public static bool IsArmLinux => IsLinux && (RuntimeInformation.OSArchitecture is Architecture.Arm64);
+        public static bool IsX64Linux => IsLinux && IsX64;
+        public static bool IsArmLinux => IsLinux && IsArmMac;
     }
 }

src/Ryujinx.Common/TitleIDs.cs

@@ -3,7 +3,6 @@ using Ryujinx.Common.Configuration;
 using Ryujinx.Common.Helper;
 using System;
 using System.Linq;
-using System.Runtime.InteropServices;
 
 namespace Ryujinx.Common
 {
@@ -30,10 +29,11 @@ namespace Ryujinx.Common
         
         public static readonly string[] GreatMetalTitles =
         [
-            "010076f0049a2000", // Bayonetta
+            "01009b500007c000", // ARMS
             "0100a5c00d162000", // Cuphead
             "010023800d64a000", // Deltarune
             "01003a30012c0000", // LEGO City Undercover
+            "010048701995e000", // Luigi's Manion 2 HD
             "010028600EBDA000", // Mario 3D World
             "0100152000022000", // Mario Kart 8 Deluxe
             "010075a016a3a000", // Persona 4 Arena Ultimax
@@ -47,11 +47,15 @@ namespace Ryujinx.Common
             "01006f8002326000", // Animal Crossings: New Horizons
             "01009bf0072d4000", // Captain Toad: Treasure Tracker
             "01009510001ca000", // Fast RMX
-            "01005CA01580E000", // Persona 5 Royale
+            "01005CA01580E000", // Persona 5 Royal
+            "0100b880154fc000", // Persona 5 The Royal (Japan)
+            "010015100b514000", // Super Mario Bros. Wonder
             "0100000000010000", // Super Mario Odyssey
 
-            //Isaac claims it has a issue in level 2, but I am not able to replicate it on my M3. More testing would be appreciated:
-            "010015100b514000", // Super Mario Bros. Wonder
+            // Further testing is appreciated, I did not test the entire game:
+            //"010076f0049a2000", // Bayonetta
+            //"0100cf5010fec000", // Bayonetta Origins: Cereza and the Lost Demon
+            //"0100f4300bf2c000", // New Pokemon Snap
         ];
         
         public static string GetDiscordGameAsset(string titleId) 
@@ -159,15 +163,16 @@ namespace Ryujinx.Common
             "0100ba0018500000", // Splatoon 3: Splatfest World Premiere
 
                           //NSO Membership games
-            "0100ccf019c8c000", // F-ZERO 99
             "0100c62011050000", // GB - Nintendo Switch Online
             "010012f017576000", // GBA - Nintendo Switch Online
             "0100c9a00ece6000", // N64 - Nintendo Switch Online
             "0100e0601c632000", // N64 - Nintendo Switch Online 18+
             "0100d870045b6000", // NES - Nintendo Switch Online
+            "0100b3c014bda000", // SEGA Genesis - Nintendo Switch Online
+            "01008d300c50c000", // SNES - Nintendo Switch Online
+            "0100ccf019c8c000", // F-ZERO 99
             "0100ad9012510000", // PAC-MAN 99
             "010040600c5ce000", // Tetris 99
-            "01008d300c50c000", // SNES - Nintendo Switch Online
             "0100277011f1a000", // Super Mario Bros. 35
 
                           //Misc Nintendo 1st party games
@@ -213,6 +218,7 @@ namespace Ryujinx.Common
                           //Misc Games
             "010056e00853a000", // A Hat in Time
             "0100fd1014726000", // Baldurs Gate: Dark Alliance
+            "01008c2019598000", // Bluey: The Video Game
             "0100c6800b934000", // Brawlhalla
             "0100dbf01000a000", // Burnout Paradise Remastered
             "0100744001588000", // Cars 3: Driven to Win
@@ -223,6 +229,7 @@ namespace Ryujinx.Common
             "01008c8012920000", // Dying Light Platinum Edition
             "01001cc01b2d4000", // Goat Simulator 3
             "01003620068ea000", // Hand of Fate 2
+            "0100f7e00c70e000", // Hogwarts Legacy
             "010085500130a000", // Lego City: Undercover
             "010073c01af34000", // LEGO Horizon Adventures
             "0100d71004694000", // Minecraft

src/Ryujinx.Cpu/AppleHv/HvExecutionContextVcpu.cs

@@ -1,6 +1,5 @@
 using ARMeilleure.State;
 using Ryujinx.Memory;
-using System;
 using System.Runtime.InteropServices;
 using System.Runtime.Versioning;
 

src/Ryujinx.Cpu/AppleHv/HvMemoryManager.cs

@@ -5,7 +5,6 @@ using Ryujinx.Memory.Tracking;
 using System;
 using System.Buffers;
 using System.Collections.Generic;
-using System.Linq;
 using System.Runtime.CompilerServices;
 using System.Runtime.Versioning;
 

src/Ryujinx.Cpu/AppleHv/HvVm.cs

@@ -1,5 +1,4 @@
 using Ryujinx.Memory;
-using System;
 using System.Runtime.Versioning;
 using System.Threading;
 

src/Ryujinx.Cpu/Jit/JitCpuContext.cs

@@ -2,7 +2,6 @@ using ARMeilleure.Common;
 using ARMeilleure.Memory;
 using ARMeilleure.Translation;
 using Ryujinx.Cpu.Signal;
-using Ryujinx.Memory;
 
 namespace Ryujinx.Cpu.Jit
 {

src/Ryujinx.Cpu/Jit/MemoryManager.cs

@@ -5,7 +5,6 @@ using Ryujinx.Memory.Tracking;
 using System;
 using System.Buffers;
 using System.Collections.Generic;
-using System.Linq;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 using System.Threading;

src/Ryujinx.Cpu/Jit/MemoryManagerHostTracked.cs

@@ -8,7 +8,6 @@ using Ryujinx.Memory.Tracking;
 using System;
 using System.Buffers;
 using System.Collections.Generic;
-using System.Linq;
 using System.Runtime.CompilerServices;
 
 namespace Ryujinx.Cpu.Jit

src/Ryujinx.Cpu/LightningJit/AarchCompiler.cs

@@ -3,7 +3,6 @@ using ARMeilleure.Memory;
 using Ryujinx.Cpu.LightningJit.Arm32;
 using Ryujinx.Cpu.LightningJit.Arm64;
 using Ryujinx.Cpu.LightningJit.State;
-using System;
 using System.Runtime.InteropServices;
 
 namespace Ryujinx.Cpu.LightningJit

src/Ryujinx.Cpu/LightningJit/Arm32/Target/Arm64/Compiler.cs

@@ -2,7 +2,6 @@ using ARMeilleure.Common;
 using ARMeilleure.Memory;
 using Ryujinx.Cpu.LightningJit.CodeGen;
 using Ryujinx.Cpu.LightningJit.CodeGen.Arm64;
-using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.Numerics;

src/Ryujinx.Cpu/LightningJit/Arm32/Target/Arm64/InstEmitVfpCompare.cs

@@ -1,5 +1,4 @@
 using Ryujinx.Cpu.LightningJit.CodeGen;
-using System;
 using System.Diagnostics;
 
 namespace Ryujinx.Cpu.LightningJit.Arm32.Target.Arm64

src/Ryujinx.Cpu/LightningJit/Arm32/Target/Arm64/InstEmitVfpMove.cs

@@ -1,5 +1,3 @@
-using Ryujinx.Cpu.LightningJit.CodeGen;
-
 namespace Ryujinx.Cpu.LightningJit.Arm32.Target.Arm64
 {
     static class InstEmitVfpMove

src/Ryujinx.Cpu/LightningJit/Arm64/SysUtils.cs

@@ -1,5 +1,3 @@
-using System.Diagnostics;
-
 namespace Ryujinx.Cpu.LightningJit.Arm64
 {
     static class SysUtils

src/Ryujinx.Cpu/LightningJit/Arm64/Target/Arm64/Compiler.cs

@@ -3,7 +3,6 @@ using ARMeilleure.Memory;
 using Ryujinx.Cpu.LightningJit.CodeGen;
 using Ryujinx.Cpu.LightningJit.CodeGen.Arm64;
 using Ryujinx.Cpu.LightningJit.Graph;
-using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.Numerics;

src/Ryujinx.Cpu/LightningJit/Cache/JitCache.cs

@@ -1,4 +1,6 @@
 using ARMeilleure.Memory;
+using Humanizer;
+using Ryujinx.Common.Logging;
 using Ryujinx.Memory;
 using System;
 using System.Collections.Generic;
@@ -15,9 +17,8 @@ namespace Ryujinx.Cpu.LightningJit.Cache
         private static readonly int _pageMask = _pageSize - 1;
 
         private const int CodeAlignment = 4; // Bytes.
-        private const int CacheSize = 2047 * 1024 * 1024;
+        private const int CacheSize = 256 * 1024 * 1024;
 
-        private static ReservedRegion _jitRegion;
         private static JitCacheInvalidation _jitCacheInvalidator;
 
         private static CacheMemoryAllocator _cacheAllocator;
@@ -26,6 +27,8 @@ namespace Ryujinx.Cpu.LightningJit.Cache
 
         private static readonly Lock _lock = new();
         private static bool _initialized;
+        private static readonly List<ReservedRegion> _jitRegions = [];
+        private static int _activeRegionIndex = 0;
 
         [SupportedOSPlatform("windows")]
         [LibraryImport("kernel32.dll", SetLastError = true)]
@@ -45,7 +48,9 @@ namespace Ryujinx.Cpu.LightningJit.Cache
                     return;
                 }
 
-                _jitRegion = new ReservedRegion(allocator, CacheSize);
+                ReservedRegion firstRegion = new(allocator, CacheSize);
+                _jitRegions.Add(firstRegion);
+                _activeRegionIndex = 0;
 
                 if (!OperatingSystem.IsWindows() && !OperatingSystem.IsMacOS())
                 {
@@ -65,8 +70,8 @@ namespace Ryujinx.Cpu.LightningJit.Cache
                 Debug.Assert(_initialized);
 
                 int funcOffset = Allocate(code.Length);
-
-                nint funcPtr = _jitRegion.Pointer + funcOffset;
+                ReservedRegion targetRegion = _jitRegions[_activeRegionIndex];
+                nint funcPtr = targetRegion.Pointer + funcOffset;
 
                 if (OperatingSystem.IsMacOS() && RuntimeInformation.ProcessArchitecture == Architecture.Arm64)
                 {
@@ -80,18 +85,11 @@ namespace Ryujinx.Cpu.LightningJit.Cache
                 }
                 else
                 {
-                    ReprotectAsWritable(funcOffset, code.Length);
-                    code.CopyTo(new Span<byte>((void*)funcPtr, code.Length));
-                    ReprotectAsExecutable(funcOffset, code.Length);
+                    ReprotectAsWritable(targetRegion, funcOffset, code.Length);
+                    Marshal.Copy(code.ToArray(), 0, funcPtr, code.Length);
+                    ReprotectAsExecutable(targetRegion, funcOffset, code.Length);
 
-                    if (OperatingSystem.IsWindows() && RuntimeInformation.ProcessArchitecture == Architecture.Arm64)
-                    {
-                        FlushInstructionCache(Process.GetCurrentProcess().Handle, funcPtr, (nuint)code.Length);
-                    }
-                    else
-                    {
-                        _jitCacheInvalidator?.Invalidate(funcPtr, (ulong)code.Length);
-                    }
+                    _jitCacheInvalidator?.Invalidate(funcPtr, (ulong)code.Length);
                 }
 
                 Add(funcOffset, code.Length);
@@ -106,50 +104,80 @@ namespace Ryujinx.Cpu.LightningJit.Cache
             {
                 Debug.Assert(_initialized);
 
-                int funcOffset = (int)(pointer.ToInt64() - _jitRegion.Pointer.ToInt64());
-
-                if (TryFind(funcOffset, out CacheEntry entry, out int entryIndex) && entry.Offset == funcOffset)
+                foreach (ReservedRegion region in _jitRegions)
                 {
-                    _cacheAllocator.Free(funcOffset, AlignCodeSize(entry.Size));
-                    _cacheEntries.RemoveAt(entryIndex);
+                    if (pointer.ToInt64() < region.Pointer.ToInt64() ||
+                        pointer.ToInt64() >= (region.Pointer + CacheSize).ToInt64())
+                    {
+                        continue;
+                    }
+
+                    int funcOffset = (int)(pointer.ToInt64() - region.Pointer.ToInt64());
+
+                    if (TryFind(funcOffset, out CacheEntry entry, out int entryIndex) && entry.Offset == funcOffset)
+                    {
+                        _cacheAllocator.Free(funcOffset, AlignCodeSize(entry.Size));
+                        _cacheEntries.RemoveAt(entryIndex);
+                    }
+
+                    return;
                 }
             }
         }
 
-        private static void ReprotectAsWritable(int offset, int size)
+        private static void ReprotectAsWritable(ReservedRegion region, int offset, int size)
         {
             int endOffs = offset + size;
-
             int regionStart = offset & ~_pageMask;
             int regionEnd = (endOffs + _pageMask) & ~_pageMask;
 
-            _jitRegion.Block.MapAsRwx((ulong)regionStart, (ulong)(regionEnd - regionStart));
+            region.Block.MapAsRwx((ulong)regionStart, (ulong)(regionEnd - regionStart));
         }
 
-        private static void ReprotectAsExecutable(int offset, int size)
+        private static void ReprotectAsExecutable(ReservedRegion region, int offset, int size)
         {
             int endOffs = offset + size;
-
             int regionStart = offset & ~_pageMask;
             int regionEnd = (endOffs + _pageMask) & ~_pageMask;
 
-            _jitRegion.Block.MapAsRx((ulong)regionStart, (ulong)(regionEnd - regionStart));
+            region.Block.MapAsRx((ulong)regionStart, (ulong)(regionEnd - regionStart));
         }
 
         private static int Allocate(int codeSize)
         {
             codeSize = AlignCodeSize(codeSize);
 
-            int allocOffset = _cacheAllocator.Allocate(codeSize);
-
-            if (allocOffset < 0)
+            for (int i = _activeRegionIndex; i < _jitRegions.Count; i++)
             {
-                throw new OutOfMemoryException("JIT Cache exhausted.");
+                int allocOffset = _cacheAllocator.Allocate(codeSize);
+        
+                if (allocOffset >= 0)
+                {
+                    _jitRegions[i].ExpandIfNeeded((ulong)allocOffset + (ulong)codeSize);
+                    _activeRegionIndex = i;
+                    return allocOffset;
+                }
             }
 
-            _jitRegion.ExpandIfNeeded((ulong)allocOffset + (ulong)codeSize);
+            int exhaustedRegion = _activeRegionIndex;
+            ReservedRegion newRegion = new(_jitRegions[0].Allocator, CacheSize);
+            _jitRegions.Add(newRegion);
+            _activeRegionIndex = _jitRegions.Count - 1;
+            
+            int newRegionNumber = _activeRegionIndex;
 
-            return allocOffset;
+            Logger.Warning?.Print(LogClass.Cpu, $"JIT Cache Region {exhaustedRegion} exhausted, creating new Cache Region {newRegionNumber} ({((long)(newRegionNumber + 1) * CacheSize).Bytes()} Total Allocation).");
+        
+            _cacheAllocator = new CacheMemoryAllocator(CacheSize);
+
+            int allocOffsetNew = _cacheAllocator.Allocate(codeSize);
+            if (allocOffsetNew < 0)
+            {
+                throw new OutOfMemoryException("Failed to allocate in new Cache Region!");
+            }
+
+            newRegion.ExpandIfNeeded((ulong)allocOffsetNew + (ulong)codeSize);
+            return allocOffsetNew;
         }
 
         private static int AlignCodeSize(int codeSize)

src/Ryujinx.Cpu/LightningJit/Cache/JitCacheInvalidation.cs

@@ -1,5 +1,4 @@
 using ARMeilleure.Memory;
-using System;
 using System.Runtime.InteropServices;
 
 namespace Ryujinx.Cpu.LightningJit.Cache

src/Ryujinx.Cpu/LightningJit/Cache/JitSupportDarwin.cs

@@ -1,4 +1,3 @@
-using System;
 using System.Runtime.InteropServices;
 using System.Runtime.Versioning;
 

src/Ryujinx.Cpu/LightningJit/Cache/NoWxCache.cs

@@ -12,7 +12,7 @@ namespace Ryujinx.Cpu.LightningJit.Cache
     {
         private const int CodeAlignment = 4; // Bytes.
         private const int SharedCacheSize = 2047 * 1024 * 1024;
-        private const int LocalCacheSize = 128 * 1024 * 1024;
+        private const int LocalCacheSize = 256 * 1024 * 1024;
 
         // How many calls to the same function we allow until we pad the shared cache to force the function to become available there
         // and allow the guest to take the fast path.

src/Ryujinx.Cpu/LightningJit/CodeGen/Arm64/StackWalker.cs

@@ -1,4 +1,3 @@
-using System;
 using System.Collections.Generic;
 using System.Runtime.InteropServices;
 

src/Ryujinx.Cpu/LightningJit/IStackWalker.cs

@@ -1,4 +1,3 @@
-using System;
 using System.Collections.Generic;
 
 namespace Ryujinx.Cpu.LightningJit

src/Ryujinx.Cpu/LightningJit/TranslatedFunction.cs

@@ -1,5 +1,3 @@
-using System;
-
 namespace Ryujinx.Cpu.LightningJit
 {
     class TranslatedFunction

src/Ryujinx.Cpu/LightningJit/Translator.cs

@@ -5,7 +5,6 @@ using Ryujinx.Cpu.LightningJit.Cache;
 using Ryujinx.Cpu.LightningJit.CodeGen.Arm64;
 using Ryujinx.Cpu.LightningJit.State;
 using Ryujinx.Cpu.Signal;
-using Ryujinx.Memory;
 using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;

src/Ryujinx.Cpu/Signal/WindowsSignalHandlerRegistration.cs

@@ -1,4 +1,3 @@
-using System;
 using System.Runtime.InteropServices;
 
 namespace Ryujinx.Cpu.Signal

src/Ryujinx.Graphics.Device/ISynchronizationManager.cs

@@ -1,6 +1,4 @@
-using Ryujinx.Common.Logging;
 using System;
-using System.Threading;
 
 namespace Ryujinx.Graphics.Device
 {

src/Ryujinx.Graphics.Gpu/Engine/Threed/Blender/AdvancedBlendPreGenTable.cs

@@ -1,6 +1,5 @@
 using Ryujinx.Common;
 using Ryujinx.Graphics.GAL;
-using System;
 using System.Collections.Generic;
 
 namespace Ryujinx.Graphics.Gpu.Engine.Threed.Blender

src/Ryujinx.Graphics.Gpu/Engine/Threed/DrawManager.cs

@@ -913,7 +913,7 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
 
                 Span<Rectangle<int>> scissors =
                 [
-                    new Rectangle<int>(scissorX, scissorY, scissorW, scissorH)
+                    new(scissorX, scissorY, scissorW, scissorH)
                 ];
 
                 _context.Renderer.Pipeline.SetScissors(scissors);

src/Ryujinx.Graphics.Gpu/Engine/Threed/StateUpdateTracker.cs

@@ -1,4 +1,3 @@
-using Ryujinx.Graphics.Device;
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;

src/Ryujinx.Graphics.Gpu/Image/TextureBindingsArrayCache.cs

@@ -4,7 +4,6 @@ using Ryujinx.Graphics.Gpu.Memory;
 using Ryujinx.Graphics.Shader;
 using System;
 using System.Collections.Generic;
-using System.Linq;
 using System.Runtime.InteropServices;
 
 namespace Ryujinx.Graphics.Gpu.Image

src/Ryujinx.Graphics.Gpu/Memory/MemoryManager.cs

@@ -1,5 +1,4 @@
 using Ryujinx.Common.Memory;
-using Ryujinx.Graphics.Gpu.Image;
 using Ryujinx.Memory;
 using Ryujinx.Memory.Range;
 using System;

src/Ryujinx.Graphics.Gpu/Memory/PhysicalMemory.cs

@@ -7,7 +7,6 @@ using Ryujinx.Memory;
 using Ryujinx.Memory.Range;
 using Ryujinx.Memory.Tracking;
 using System;
-using System.Buffers;
 using System.Collections.Generic;
 using System.Linq;
 using System.Runtime.InteropServices;

src/Ryujinx.Graphics.Gpu/Memory/SupportBufferUpdater.cs

@@ -1,6 +1,5 @@
 using Ryujinx.Graphics.GAL;
 using Ryujinx.Graphics.Shader;
-using System;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 

src/Ryujinx.Graphics.Gpu/Shader/CachedShaderBindings.cs

@@ -2,7 +2,6 @@ using Ryujinx.Graphics.GAL;
 using Ryujinx.Graphics.Gpu.Engine;
 using Ryujinx.Graphics.Gpu.Image;
 using Ryujinx.Graphics.Shader;
-using System;
 using System.Linq;
 
 namespace Ryujinx.Graphics.Gpu.Shader

src/Ryujinx.Graphics.Gpu/Shader/DiskCache/ParallelDiskCacheLoader.cs

@@ -729,7 +729,7 @@ namespace Ryujinx.Graphics.Gpu.Shader.DiskCache
 
             ShaderProgram program = translatorContext.Translate();
 
-            CachedShaderStage[] shaders = [new CachedShaderStage(program.Info, shader.Code, shader.Cb1Data)];
+            CachedShaderStage[] shaders = [new(program.Info, shader.Code, shader.Cb1Data)];
 
             _compilationQueue.Enqueue(new ProgramCompilation([program], shaders, newSpecState, programIndex, isCompute: true));
         }

src/Ryujinx.Graphics.Gpu/Shader/ShaderCache.cs

@@ -1,4 +1,3 @@
-using Ryujinx.Common;
 using Ryujinx.Common.Configuration;
 using Ryujinx.Common.Logging;
 using Ryujinx.Graphics.GAL;

src/Ryujinx.Graphics.Gpu/Synchronization/SynchronizationManager.cs

@@ -87,7 +87,7 @@ namespace Ryujinx.Graphics.Gpu.Synchronization
             }
 
             using ManualResetEvent waitEvent = new(false);
-            SyncpointWaiterHandle info = _syncpoints[id].RegisterCallback(threshold, (x) => waitEvent.Set());
+            SyncpointWaiterHandle info = _syncpoints[id].RegisterCallback(threshold, _ => waitEvent.Set());
 
             if (info == null)
             {
@@ -96,7 +96,7 @@ namespace Ryujinx.Graphics.Gpu.Synchronization
 
             bool signaled = waitEvent.WaitOne(timeout);
 
-            if (!signaled && info != null)
+            if (!signaled)
             {
                 Logger.Error?.Print(LogClass.Gpu, $"Wait on syncpoint {id} for threshold {threshold} took more than {timeout.TotalMilliseconds}ms, resuming execution...");
 

src/Ryujinx.Graphics.Metal/EnumConversion.cs

@@ -1,7 +1,6 @@
 using Ryujinx.Common.Logging;
 using Ryujinx.Graphics.GAL;
 using SharpMetal.Metal;
-using System;
 using System.Runtime.Versioning;
 
 namespace Ryujinx.Graphics.Metal

src/Ryujinx.Graphics.Nvdec.FFmpeg/Native/AVCodec.cs

@@ -1,5 +1,3 @@
-using System;
-
 namespace Ryujinx.Graphics.Nvdec.FFmpeg.Native
 {
     struct AVCodec

src/Ryujinx.Graphics.Nvdec.FFmpeg/Native/AVCodec501.cs

@@ -1,5 +1,3 @@
-using System;
-
 namespace Ryujinx.Graphics.Nvdec.FFmpeg.Native
 {
     struct AVCodec501

src/Ryujinx.Graphics.Nvdec.FFmpeg/Native/AVCodecContext.cs

@@ -1,5 +1,4 @@
 using Ryujinx.Common.Memory;
-using System;
 
 namespace Ryujinx.Graphics.Nvdec.FFmpeg.Native
 {

src/Ryujinx.Graphics.Nvdec.FFmpeg/Native/AVFrame.cs

@@ -1,5 +1,4 @@
 using Ryujinx.Common.Memory;
-using System;
 
 namespace Ryujinx.Graphics.Nvdec.FFmpeg.Native
 {

src/Ryujinx.Graphics.Nvdec.FFmpeg/Native/FFCodec.cs

@@ -1,5 +1,3 @@
-using System;
-
 namespace Ryujinx.Graphics.Nvdec.FFmpeg.Native
 {
     struct FFCodec<T> where T : struct

src/Ryujinx.Graphics.Nvdec.FFmpeg/Native/FFCodecLegacy.cs

@@ -1,5 +1,3 @@
-using System;
-
 namespace Ryujinx.Graphics.Nvdec.FFmpeg.Native
 {
     struct FFCodecLegacy<T> where T : struct

src/Ryujinx.Graphics.Nvdec.FFmpeg/Surface.cs

@@ -1,6 +1,5 @@
 using Ryujinx.Graphics.Nvdec.FFmpeg.Native;
 using Ryujinx.Graphics.Video;
-using System;
 
 namespace Ryujinx.Graphics.Nvdec.FFmpeg
 {

src/Ryujinx.Graphics.Nvdec.Vp9/BitDepth.cs

@@ -6,4 +6,4 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
         Bits10 = 10, // < 10 bits
         Bits12 = 12, // < 12 bits
     }
-}
+}

src/Ryujinx.Graphics.Nvdec.Vp9/CodecErr.cs

@@ -1,56 +1,75 @@
-namespace Ryujinx.Graphics.Nvdec.Vp9
+namespace Ryujinx.Graphics.Nvdec.Vp9
 {
     internal enum CodecErr
     {
-        /*!\brief Operation completed without error */
-        CodecOk,
+        /// <summary>
+        /// Operation completed without error
+        /// </summary>
+        Ok,
 
-        /*!\brief Unspecified error */
-        CodecError,
+        /// <summary>
+        /// Unspecified error
+        /// </summary>
+        Error,
 
-        /*!\brief Memory operation failed */
-        CodecMemError,
+        /// <summary>
+        /// Memory operation failed
+        /// </summary>
+        MemError,
 
-        /*!\brief ABI version mismatch */
-        CodecAbiMismatch,
+        /// <summary>
+        /// ABI version mismatch
+        /// </summary>
+        AbiMismatch,
 
-        /*!\brief Algorithm does not have required capability */
-        CodecIncapable,
+        /// <summary>
+        /// Algorithm does not have required capability
+        /// </summary>
+        Incapable,
 
-        /*!\brief The given bitstream is not supported.
-         *
-         * The bitstream was unable to be parsed at the highest level. The decoder
-         * is unable to proceed. This error \ref SHOULD be treated as fatal to the
-         * stream. */
-        CodecUnsupBitstream,
+        /// <summary>
+        /// The given bitstream is not supported.
+        /// </summary>
+        /// <remarks>
+        /// The bitstream was unable to be parsed at the highest level.<br/>
+        /// The decoder is unable to proceed.<br/>
+        /// This error SHOULD be treated as fatal to the stream.
+        /// </remarks>
+        UnsupBitstream,
 
-        /*!\brief Encoded bitstream uses an unsupported feature
-         *
-         * The decoder does not implement a feature required by the encoder. This
-         * return code should only be used for features that prevent future
-         * pictures from being properly decoded. This error \ref MAY be treated as
-         * fatal to the stream or \ref MAY be treated as fatal to the current GOP.
-         */
-        CodecUnsupFeature,
+        /// <summary>
+        /// Encoded bitstream uses an unsupported feature
+        /// </summary>
+        /// <remarks>
+        /// The decoder does not implement a feature required by the encoder.<br/>
+        /// This return code should only be used for features that prevent future
+        /// pictures from being properly decoded.<br/>
+        /// <br/>
+        /// This error MAY be treated as fatal to the stream or MAY be treated as fatal to the current GOP.
+        /// </remarks>
+        UnsupFeature,
 
-        /*!\brief The coded data for this stream is corrupt or incomplete
-         *
-         * There was a problem decoding the current frame.  This return code
-         * should only be used for failures that prevent future pictures from
-         * being properly decoded. This error \ref MAY be treated as fatal to the
-         * stream or \ref MAY be treated as fatal to the current GOP. If decoding
-         * is continued for the current GOP, artifacts may be present.
-         */
-        CodecCorruptFrame,
+         /// <summary>
+         /// The coded data for this stream is corrupt or incomplete.
+         /// </summary>
+         /// <remarks>
+         /// There was a problem decoding the current frame.<br/>
+         /// This return code should only be used
+         /// for failures that prevent future pictures from being properly decoded.<br/>
+         /// <br/>
+         /// This error MAY be treated as fatal to the stream or MAY be treated as fatal to the current GOP.<br/>
+         /// If decoding is continued for the current GOP, artifacts may be present.
+         /// </remarks>
+         CorruptFrame,
 
-        /*!\brief An application-supplied parameter is not valid.
-         *
-         */
-        CodecInvalidParam,
+        /// <summary>
+        /// An application-supplied parameter is not valid.
+        /// </summary>
+        InvalidParam,
 
-        /*!\brief An iterator reached the end of list.
-         *
-         */
-        CodecListEnd,
+        /// <summary>
+        /// An iterator reached the end of list.
+        /// </summary>
+        ListEnd
     }
-}
+}

src/Ryujinx.Graphics.Nvdec.Vp9/Common/BitUtils.cs

@@ -10,7 +10,7 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Common
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static byte ClipPixel(int val)
         {
-            return (byte)((val > 255) ? 255 : (val < 0) ? 0 : val);
+            return (byte)(val > 255 ? 255 : val < 0 ? 0 : val);
         }
 
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
@@ -56,4 +56,4 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Common
             return numValues > 0 ? GetMsb(numValues) + 1 : 0;
         }
     }
-}
+}

src/Ryujinx.Graphics.Nvdec.Vp9/Common/MemoryAllocator.cs

@@ -51,6 +51,7 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Common
                         {
                             Marshal.FreeHGlobal(item.Pointer);
                         }
+
                         item.Pointer = ptr;
                         item.Length = lengthInBytes;
                         break;
@@ -58,7 +59,11 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Common
                 }
             }
 
-            return new ArrayPtr<T>(ptr, length);
+            ArrayPtr<T> allocation = new(ptr, length);
+
+            allocation.AsSpan().Fill(default);
+
+            return allocation;
         }
 
         public unsafe void Free<T>(ArrayPtr<T> arr) where T : unmanaged

src/Ryujinx.Graphics.Nvdec.Vp9/Common/MemoryUtil.cs

@@ -20,4 +20,4 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Common
             new Span<T>(ptr, length).Fill(value);
         }
     }
-}
+}

src/Ryujinx.Graphics.Nvdec.Vp9/Constants.cs

@@ -1,8 +1,10 @@
+using Ryujinx.Graphics.Nvdec.Vp9.Types;
+
 namespace Ryujinx.Graphics.Nvdec.Vp9
 {
     internal static class Constants
     {
-        public const int Vp9InterpExtend = 4;
+        public const int InterpExtend = 4;
 
         public const int MaxMbPlane = 3;
 
@@ -25,6 +27,7 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
         /* Segment Feature Masks */
         public const int MaxMvRefCandidates = 2;
 
+        public const int IntraInterContexts = 4;
         public const int CompInterContexts = 5;
         public const int RefContexts = 5;
 
@@ -32,12 +35,26 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
         public const int EightTapSmooth = 1;
         public const int EightTapSharp = 2;
         public const int SwitchableFilters = 3; /* Number of switchable filters */
+
         public const int Bilinear = 3;
-        public const int Switchable = 4; /* should be the last one */
+
+        // The codec can operate in four possible inter prediction filter mode:
+        // 8-tap, 8-tap-smooth, 8-tap-sharp, and switching between the three.
+        public const int SwitchableFilterContexts = SwitchableFilters + 1;
+        public const int Switchable = 4; /* Should be the last one */
 
         // Frame
         public const int RefsPerFrame = 3;
 
+        public const int RefFramesLog2 = 3;
+        public const int RefFrames = 1 << RefFramesLog2;
+
+        // 1 scratch frame for the new frame, 3 for scaled references on the encoder.
+        public const int FrameBuffers = RefFrames + 4;
+
+        public const int FrameContextsLog2 = 2;
+        public const int FrameContexts = 1 << FrameContextsLog2;
+
         public const int NumPingPongBuffers = 2;
 
         public const int Class0Bits = 1; /* bits at integer precision for class 0 */
@@ -48,9 +65,9 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
         public const int MvLow = -(1 << MvInUseBits);
 
         // Coefficient token alphabet
-        public const int ZeroToken = 0; // 0 Extra Bits 0+0
-        public const int OneToken = 1; // 1 Extra Bits 0+1
-        public const int TwoToken = 2; // 2 Extra Bits 0+1
+        public const int ZeroToken = 0; // 0     Extra Bits 0+0
+        public const int OneToken = 1; // 1     Extra Bits 0+1
+        public const int TwoToken = 2; // 2     Extra Bits 0+1
 
         public const int PivotNode = 2;
 
@@ -65,5 +82,19 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
 
         public const int SegmentAbsData = 1;
         public const int MaxSegments = 8;
+
+        public const int PartitionTypes = (int)PartitionType.PartitionTypes;
+
+        public const int PartitionPlOffset = 4; // Number of probability models per block size
+        public const int PartitionContexts = 4 * PartitionPlOffset;
+
+        public const int PlaneTypes = (int)PlaneType.PlaneTypes;
+
+        public const int IntraModes = (int)PredictionMode.TmPred + 1;
+
+        public const int InterModes = 1 + (int)PredictionMode.NewMv - (int)PredictionMode.NearestMv;
+
+        public const int SkipContexts = 3;
+        public const int InterModeContexts = 7;
     }
-}
+}

src/Ryujinx.Graphics.Nvdec.Vp9/DSubExp.cs

@@ -0,0 +1,47 @@
+using System.Diagnostics;
+
+namespace Ryujinx.Graphics.Nvdec.Vp9
+{
+    internal static class DSubExp
+    {
+        public static int InvRecenterNonneg(int v, int m)
+        {
+            if (v > 2 * m)
+            {
+                return v;
+            }
+
+            return (v & 1) != 0 ? m - ((v + 1) >> 1) : m + (v >> 1);
+        }
+
+        private static readonly byte[] _invMapTable =
+        [
+            7, 20, 33, 46, 59, 72, 85, 98, 111, 124, 137, 150, 163, 176, 189, 202, 215, 228, 241, 254, 1, 2, 3, 4,
+            5, 6, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 34,
+            35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 60, 61, 62,
+            63, 64, 65, 66, 67, 68, 69, 70, 71, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 86, 87, 88, 89, 90,
+            91, 92, 93, 94, 95, 96, 97, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 112, 113, 114,
+            115, 116, 117, 118, 119, 120, 121, 122, 123, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136,
+            138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 151, 152, 153, 154, 155, 156, 157, 158, 159,
+            160, 161, 162, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 177, 178, 179, 180, 181, 182,
+            183, 184, 185, 186, 187, 188, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 203, 204, 205,
+            206, 207, 208, 209, 210, 211, 212, 213, 214, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227,
+            229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 242, 243, 244, 245, 246, 247, 248, 249, 250,
+            251, 252, 253, 253
+        ];
+
+        public static int InvRemapProb(int v, int m)
+        {
+            Debug.Assert(v < _invMapTable.Length / sizeof(byte));
+
+            v = _invMapTable[v];
+            m--;
+            if (m << 1 <= Prob.MaxProb)
+            {
+                return 1 + InvRecenterNonneg(v, m);
+            }
+
+            return Prob.MaxProb - InvRecenterNonneg(v, Prob.MaxProb - 1 - m);
+        }
+    }
+}

src/Ryujinx.Graphics.Nvdec.Vp9/DecodeMv.cs

@@ -1,4 +1,4 @@
-using Ryujinx.Common.Memory;
+using Ryujinx.Common.Memory;
 using Ryujinx.Graphics.Nvdec.Vp9.Dsp;
 using Ryujinx.Graphics.Nvdec.Vp9.Types;
 using Ryujinx.Graphics.Video;
@@ -10,11 +10,11 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
 {
     internal static class DecodeMv
     {
-        private const int MvrefNeighbours = 8;
+        private const int RefNeighbours = 8;
 
         private static PredictionMode ReadIntraMode(ref Reader r, ReadOnlySpan<byte> p)
         {
-            return (PredictionMode)r.ReadTree(Luts.Vp9IntraModeTree, p);
+            return (PredictionMode)r.ReadTree(Luts.IntraModeTree, p);
         }
 
         private static PredictionMode ReadIntraModeY(ref Vp9Common cm, ref MacroBlockD xd, ref Reader r, int sizeGroup)
@@ -41,7 +41,7 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
 
         private static PredictionMode ReadInterMode(ref Vp9Common cm, ref MacroBlockD xd, ref Reader r, int ctx)
         {
-            int mode = r.ReadTree(Luts.Vp9InterModeTree, cm.Fc.Value.InterModeProb[ctx].AsSpan());
+            int mode = r.ReadTree(Luts.InterModeTree, cm.Fc.Value.InterModeProb[ctx].AsSpan());
             if (!xd.Counts.IsNull)
             {
                 ++xd.Counts.Value.InterMode[ctx][mode];
@@ -52,22 +52,18 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
 
         private static int ReadSegmentId(ref Reader r, ref Array7<byte> segTreeProbs)
         {
-            return r.ReadTree(Luts.Vp9SegmentTree, segTreeProbs.AsSpan());
+            return r.ReadTree(Luts.SegmentTree, segTreeProbs.AsSpan());
         }
 
         private static ReadOnlySpan<byte> GetTxProbs(ref Vp9EntropyProbs fc, TxSize maxTxSize, int ctx)
         {
             switch (maxTxSize)
             {
-                case TxSize.Tx8x8:
-                    return fc.Tx8x8Prob[ctx].AsSpan();
-                case TxSize.Tx16x16:
-                    return fc.Tx16x16Prob[ctx].AsSpan();
-                case TxSize.Tx32x32:
-                    return fc.Tx32x32Prob[ctx].AsSpan();
+                case TxSize.Tx8X8: return fc.Tx8x8Prob[ctx].AsSpan();
+                case TxSize.Tx16X16: return fc.Tx16x16Prob[ctx].AsSpan();
+                case TxSize.Tx32X32: return fc.Tx32x32Prob[ctx].AsSpan();
                 default:
                     Debug.Assert(false, "Invalid maxTxSize.");
-
                     return ReadOnlySpan<byte>.Empty;
             }
         }
@@ -76,15 +72,11 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
         {
             switch (maxTxSize)
             {
-                case TxSize.Tx8x8:
-                    return counts.Tx8x8[ctx].AsSpan();
-                case TxSize.Tx16x16:
-                    return counts.Tx16x16[ctx].AsSpan();
-                case TxSize.Tx32x32:
-                    return counts.Tx32x32[ctx].AsSpan();
+                case TxSize.Tx8X8: return counts.Tx8x8[ctx].AsSpan();
+                case TxSize.Tx16X16: return counts.Tx16x16[ctx].AsSpan();
+                case TxSize.Tx32X32: return counts.Tx32x32[ctx].AsSpan();
                 default:
                     Debug.Assert(false, "Invalid maxTxSize.");
-
                     return Span<uint>.Empty;
             }
         }
@@ -94,10 +86,10 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             int ctx = xd.GetTxSizeContext();
             ReadOnlySpan<byte> txProbs = GetTxProbs(ref cm.Fc.Value, maxTxSize, ctx);
             TxSize txSize = (TxSize)r.Read(txProbs[0]);
-            if (txSize != TxSize.Tx4x4 && maxTxSize >= TxSize.Tx16x16)
+            if (txSize != TxSize.Tx4X4 && maxTxSize >= TxSize.Tx16X16)
             {
                 txSize += r.Read(txProbs[1]);
-                if (txSize != TxSize.Tx8x8 && maxTxSize >= TxSize.Tx32x32)
+                if (txSize != TxSize.Tx8X8 && maxTxSize >= TxSize.Tx32X32)
                 {
                     txSize += r.Read(txProbs[2]);
                 }
@@ -116,7 +108,7 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             TxMode txMode = cm.TxMode;
             BlockSize bsize = xd.Mi[0].Value.SbType;
             TxSize maxTxSize = Luts.MaxTxSizeLookup[(int)bsize];
-            if (allowSelect && txMode == TxMode.TxModeSelect && bsize >= BlockSize.Block8x8)
+            if (allowSelect && txMode == TxMode.TxModeSelect && bsize >= BlockSize.Block8X8)
             {
                 return ReadSelectedTxSize(ref cm, ref xd, maxTxSize, ref r);
             }
@@ -124,34 +116,32 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             return (TxSize)Math.Min((int)maxTxSize, (int)Luts.TxModeToBiggestTxSize[(int)txMode]);
         }
 
-        private static int DecGetSegmentId(ref Vp9Common cm, ArrayPtr<byte> segmentIds, int miOffset, int xMis, int yMis)
+        private static int DecGetSegmentId(ref Vp9Common cm, ArrayPtr<byte> segmentIds, int miOffset, int xMis,
+            int yMis)
         {
-            int x, y, segmentId = int.MaxValue;
+            int segmentId = int.MaxValue;
 
-            for (y = 0; y < yMis; y++)
+            for (int y = 0; y < yMis; y++)
             {
-                for (x = 0; x < xMis; x++)
+                for (int x = 0; x < xMis; x++)
                 {
-                    segmentId = Math.Min(segmentId, segmentIds[miOffset + y * cm.MiCols + x]);
+                    segmentId = Math.Min(segmentId, segmentIds[miOffset + (y * cm.MiCols) + x]);
                 }
             }
 
             Debug.Assert(segmentId >= 0 && segmentId < Constants.MaxSegments);
-
             return segmentId;
         }
 
         private static void SetSegmentId(ref Vp9Common cm, int miOffset, int xMis, int yMis, int segmentId)
         {
-            int x, y;
-
             Debug.Assert(segmentId >= 0 && segmentId < Constants.MaxSegments);
 
-            for (y = 0; y < yMis; y++)
+            for (int y = 0; y < yMis; y++)
             {
-                for (x = 0; x < xMis; x++)
+                for (int x = 0; x < xMis; x++)
                 {
-                    cm.CurrentFrameSegMap[miOffset + y * cm.MiCols + x] = (byte)segmentId;
+                    cm.CurrentFrameSegMap[miOffset + (y * cm.MiCols) + x] = (byte)segmentId;
                 }
             }
         }
@@ -164,13 +154,13 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             int xMis,
             int yMis)
         {
-            int x, y;
-
-            for (y = 0; y < yMis; y++)
+            for (int y = 0; y < yMis; y++)
             {
-                for (x = 0; x < xMis; x++)
+                for (int x = 0; x < xMis; x++)
                 {
-                    currentSegmentIds[miOffset + y * cm.MiCols + x] = (byte)(!lastSegmentIds.IsNull ? lastSegmentIds[miOffset + y * cm.MiCols + x] : 0);
+                    currentSegmentIds[miOffset + (y * cm.MiCols) + x] = (byte)(!lastSegmentIds.IsNull
+                        ? lastSegmentIds[miOffset + (y * cm.MiCols) + x]
+                        : 0);
                 }
             }
         }
@@ -188,13 +178,11 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             if (!seg.UpdateMap)
             {
                 CopySegmentId(ref cm, cm.LastFrameSegMap, cm.CurrentFrameSegMap, miOffset, xMis, yMis);
-
                 return 0;
             }
 
             segmentId = ReadSegmentId(ref r, ref cm.Fc.Value.SegTreeProb);
             SetSegmentId(ref cm, miOffset, xMis, yMis, segmentId);
-
             return segmentId;
         }
 
@@ -210,7 +198,7 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             ref Segmentation seg = ref cm.Seg;
             ref ModeInfo mi = ref xd.Mi[0].Value;
             int predictedSegmentId, segmentId;
-            int miOffset = miRow * cm.MiCols + miCol;
+            int miOffset = (miRow * cm.MiCols) + miCol;
 
             if (!seg.Enabled)
             {
@@ -224,7 +212,6 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             if (!seg.UpdateMap)
             {
                 CopySegmentId(ref cm, cm.LastFrameSegMap, cm.CurrentFrameSegMap, miOffset, xMis, yMis);
-
                 return predictedSegmentId;
             }
 
@@ -232,20 +219,22 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             {
                 byte predProb = Segmentation.GetPredProbSegId(ref cm.Fc.Value.SegPredProb, ref xd);
                 mi.SegIdPredicted = (sbyte)r.Read(predProb);
-                segmentId = mi.SegIdPredicted != 0 ? predictedSegmentId : ReadSegmentId(ref r, ref cm.Fc.Value.SegTreeProb);
+                segmentId = mi.SegIdPredicted != 0
+                    ? predictedSegmentId
+                    : ReadSegmentId(ref r, ref cm.Fc.Value.SegTreeProb);
             }
             else
             {
                 segmentId = ReadSegmentId(ref r, ref cm.Fc.Value.SegTreeProb);
             }
-            SetSegmentId(ref cm, miOffset, xMis, yMis, segmentId);
 
+            SetSegmentId(ref cm, miOffset, xMis, yMis, segmentId);
             return segmentId;
         }
 
         private static int ReadSkip(ref Vp9Common cm, ref MacroBlockD xd, int segmentId, ref Reader r)
         {
-            if (cm.Seg.IsSegFeatureActive(segmentId, SegLvlFeatures.SegLvlSkip) != 0)
+            if (cm.Seg.IsSegFeatureActive(segmentId, SegLvlFeatures.Skip) != 0)
             {
                 return 1;
             }
@@ -260,12 +249,12 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             return skip;
         }
 
-        private static int ReadMvComponent(ref Reader r, ref Vp9EntropyProbs fc, int mvcomp, bool usehp)
+        private static int ReadComponent(ref Reader r, ref Vp9EntropyProbs fc, int mvcomp, bool usehp)
         {
             int mag, d, fr, hp;
             bool sign = r.Read(fc.Sign[mvcomp]) != 0;
-            MvClassType mvClass = (MvClassType)r.ReadTree(Luts.Vp9MvClassTree, fc.Classes[mvcomp].AsSpan());
-            bool class0 = mvClass == MvClassType.MvClass0;
+            MvClassType mvClass = (MvClassType)r.ReadTree(Luts.MvClassTree, fc.Classes[mvcomp].AsSpan());
+            bool class0 = mvClass == MvClassType.Class0;
 
             // Integer part
             if (class0)
@@ -275,11 +264,10 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             }
             else
             {
-                int i;
                 int n = (int)mvClass + Constants.Class0Bits - 1; // Number of bits
 
                 d = 0;
-                for (i = 0; i < n; ++i)
+                for (int i = 0; i < n; ++i)
                 {
                     d |= r.Read(fc.Bits[mvcomp][i]) << i;
                 }
@@ -288,40 +276,39 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             }
 
             // Fractional part
-            fr = r.ReadTree(Luts.Vp9MvFPTree, class0 ? fc.Class0Fp[mvcomp][d].AsSpan() : fc.Fp[mvcomp].AsSpan());
+            fr = r.ReadTree(Luts.MvFpTree, class0 ? fc.Class0Fp[mvcomp][d].AsSpan() : fc.Fp[mvcomp].AsSpan());
 
             // High precision part (if hp is not used, the default value of the hp is 1)
             hp = usehp ? r.Read(class0 ? fc.Class0Hp[mvcomp] : fc.Hp[mvcomp]) : 1;
 
             // Result
             mag += ((d << 3) | (fr << 1) | hp) + 1;
-
             return sign ? -mag : mag;
         }
 
-        private static void ReadMv(
+        private static void Read(
             ref Reader r,
             ref Mv mv,
             ref Mv refr,
             ref Vp9EntropyProbs fc,
             Ptr<Vp9BackwardUpdates> counts,
-            bool allowHP)
+            bool allowHp)
         {
-            MvJointType jointType = (MvJointType)r.ReadTree(Luts.Vp9MvJointTree, fc.Joints.AsSpan());
-            bool useHP = allowHP && refr.UseMvHp();
+            MvJointType jointType = (MvJointType)r.ReadTree(Luts.MvJointTree, fc.Joints.AsSpan());
+            bool useHp = allowHp && refr.UseHp();
             Mv diff = new();
 
-            if (Mv.MvJointVertical(jointType))
+            if (Mv.JointVertical(jointType))
             {
-                diff.Row = (short)ReadMvComponent(ref r, ref fc, 0, useHP);
+                diff.Row = (short)ReadComponent(ref r, ref fc, 0, useHp);
             }
 
-            if (Mv.MvJointHorizontal(jointType))
+            if (Mv.JointHorizontal(jointType))
             {
-                diff.Col = (short)ReadMvComponent(ref r, ref fc, 1, useHP);
+                diff.Col = (short)ReadComponent(ref r, ref fc, 1, useHp);
             }
 
-            diff.IncMv(counts);
+            diff.Inc(counts);
 
             mv.Row = (short)(refr.Row + diff.Row);
             mv.Col = (short)(refr.Col + diff.Col);
@@ -329,7 +316,7 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
 
         private static ReferenceMode ReadBlockReferenceMode(ref Vp9Common cm, ref MacroBlockD xd, ref Reader r)
         {
-            if (cm.ReferenceMode == ReferenceMode.ReferenceModeSelect)
+            if (cm.ReferenceMode == ReferenceMode.Select)
             {
                 int ctx = PredCommon.GetReferenceModeContext(ref cm, ref xd);
                 ReferenceMode mode = (ReferenceMode)r.Read(cm.Fc.Value.CompInterProb[ctx]);
@@ -354,15 +341,15 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
         {
             ref Vp9EntropyProbs fc = ref cm.Fc.Value;
 
-            if (cm.Seg.IsSegFeatureActive(segmentId, SegLvlFeatures.SegLvlRefFrame) != 0)
+            if (cm.Seg.IsSegFeatureActive(segmentId, SegLvlFeatures.RefFrame) != 0)
             {
-                refFrame[0] = (sbyte)cm.Seg.GetSegData(segmentId, SegLvlFeatures.SegLvlRefFrame);
+                refFrame[0] = (sbyte)cm.Seg.GetSegData(segmentId, SegLvlFeatures.RefFrame);
                 refFrame[1] = Constants.None;
             }
             else
             {
                 ReferenceMode mode = ReadBlockReferenceMode(ref cm, ref xd, ref r);
-                if (mode == ReferenceMode.CompoundReference)
+                if (mode == ReferenceMode.Compound)
                 {
                     int idx = cm.RefFrameSignBias[cm.CompFixedRef];
                     int ctx = PredCommon.GetPredContextCompRefP(ref cm, ref xd);
@@ -375,7 +362,7 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
                     refFrame[idx] = cm.CompFixedRef;
                     refFrame[idx == 0 ? 1 : 0] = cm.CompVarRef[bit];
                 }
-                else if (mode == ReferenceMode.SingleReference)
+                else if (mode == ReferenceMode.Single)
                 {
                     int ctx0 = PredCommon.GetPredContextSingleRefP1(ref xd);
                     int bit0 = r.Read(fc.SingleRefProb[ctx0][0]);
@@ -412,7 +399,7 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
         private static byte ReadSwitchableInterpFilter(ref Vp9Common cm, ref MacroBlockD xd, ref Reader r)
         {
             int ctx = xd.GetPredContextSwitchableInterp();
-            byte type = (byte)r.ReadTree(Luts.Vp9SwitchableInterpTree, cm.Fc.Value.SwitchableInterpProb[ctx].AsSpan());
+            byte type = (byte)r.ReadTree(Luts.SwitchableInterpTree, cm.Fc.Value.SwitchableInterpProb[ctx].AsSpan());
             if (!xd.Counts.IsNull)
             {
                 ++xd.Counts.Value.SwitchableInterp[ctx][type];
@@ -424,23 +411,23 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
         private static void ReadIntraBlockModeInfo(ref Vp9Common cm, ref MacroBlockD xd, ref ModeInfo mi, ref Reader r)
         {
             BlockSize bsize = mi.SbType;
-            int i;
+
 
             switch (bsize)
             {
-                case BlockSize.Block4x4:
-                    for (i = 0; i < 4; ++i)
+                case BlockSize.Block4X4:
+                    for (int i = 0; i < 4; ++i)
                     {
                         mi.Bmi[i].Mode = ReadIntraModeY(ref cm, ref xd, ref r, 0);
                     }
 
                     mi.Mode = mi.Bmi[3].Mode;
                     break;
-                case BlockSize.Block4x8:
+                case BlockSize.Block4X8:
                     mi.Bmi[0].Mode = mi.Bmi[2].Mode = ReadIntraModeY(ref cm, ref xd, ref r, 0);
                     mi.Bmi[1].Mode = mi.Bmi[3].Mode = mi.Mode = ReadIntraModeY(ref cm, ref xd, ref r, 0);
                     break;
-                case BlockSize.Block8x4:
+                case BlockSize.Block8X4:
                     mi.Bmi[0].Mode = mi.Bmi[1].Mode = ReadIntraModeY(ref cm, ref xd, ref r, 0);
                     mi.Bmi[2].Mode = mi.Bmi[3].Mode = mi.Mode = ReadIntraModeY(ref cm, ref xd, ref r, 0);
                     break;
@@ -459,27 +446,19 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             mi.RefFrame[1] = Constants.None;
         }
 
-        private static bool IsMvValid(ref Mv mv)
-        {
-            return mv.Row > Constants.MvLow &&
-                   mv.Row < Constants.MvUpp &&
-                   mv.Col > Constants.MvLow &&
-                   mv.Col < Constants.MvUpp;
-        }
-
-        private static void CopyMvPair(ref Array2<Mv> dst, ref Array2<Mv> src)
+        private static void CopyPair(ref Array2<Mv> dst, ref Array2<Mv> src)
         {
             dst[0] = src[0];
             dst[1] = src[1];
         }
 
-        private static void ZeroMvPair(ref Array2<Mv> dst)
+        private static void ZeroPair(ref Array2<Mv> dst)
         {
             dst[0] = new Mv();
             dst[1] = new Mv();
         }
 
-        private static bool AssignMv(
+        private static bool Assign(
             ref Vp9Common cm,
             ref MacroBlockD xd,
             PredictionMode mode,
@@ -487,45 +466,45 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             ref Array2<Mv> refMv,
             ref Array2<Mv> nearNearestMv,
             int isCompound,
-            bool allowHP,
+            bool allowHp,
             ref Reader r)
         {
-            int i;
             bool ret = true;
 
             switch (mode)
             {
                 case PredictionMode.NewMv:
                     {
-                        for (i = 0; i < 1 + isCompound; ++i)
+                        for (int i = 0; i < 1 + isCompound; ++i)
                         {
-                            ReadMv(ref r, ref mv[i], ref refMv[i], ref cm.Fc.Value, xd.Counts, allowHP);
-                            ret = ret && IsMvValid(ref mv[i]);
+                            Read(ref r, ref mv[i], ref refMv[i], ref cm.Fc.Value, xd.Counts, allowHp);
+                            ret = ret && mv[i].IsValid();
                         }
+
                         break;
                     }
                 case PredictionMode.NearMv:
                 case PredictionMode.NearestMv:
                     {
-                        CopyMvPair(ref mv, ref nearNearestMv);
+                        CopyPair(ref mv, ref nearNearestMv);
                         break;
                     }
                 case PredictionMode.ZeroMv:
                     {
-                        ZeroMvPair(ref mv);
+                        ZeroPair(ref mv);
                         break;
                     }
-                default:
-                    return false;
+                default: return false;
             }
+
             return ret;
         }
 
         private static bool ReadIsInterBlock(ref Vp9Common cm, ref MacroBlockD xd, int segmentId, ref Reader r)
         {
-            if (cm.Seg.IsSegFeatureActive(segmentId, SegLvlFeatures.SegLvlRefFrame) != 0)
+            if (cm.Seg.IsSegFeatureActive(segmentId, SegLvlFeatures.RefFrame) != 0)
             {
-                return cm.Seg.GetSegData(segmentId, SegLvlFeatures.SegLvlRefFrame) != Constants.IntraFrame;
+                return cm.Seg.GetSegData(segmentId, SegLvlFeatures.RefFrame) != Constants.IntraFrame;
             }
 
             int ctx = xd.GetIntraInterContext();
@@ -538,33 +517,30 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             return isInter;
         }
 
-        private static void DecFindBestRefMvs(bool allowHP, Span<Mv> mvlist, ref Mv bestMv, int refmvCount)
+        private static void DecFindBestRefs(bool allowHp, Span<Mv> mvlist, ref Mv bestMv, int refmvCount)
         {
-            int i;
-
             // Make sure all the candidates are properly clamped etc
-            for (i = 0; i < refmvCount; ++i)
+            for (int i = 0; i < refmvCount; ++i)
             {
-                mvlist[i].LowerMvPrecision(allowHP);
+                mvlist[i].LowerPrecision(allowHp);
                 bestMv = mvlist[i];
             }
         }
 
-        private static bool AddMvRefListEb(Mv mv, ref int refMvCount, Span<Mv> mvRefList, bool earlyBreak)
+        private static bool AddRefListEb(Mv mv, ref int refCount, Span<Mv> mvRefList, bool earlyBreak)
         {
-            if (refMvCount != 0)
+            if (refCount != 0)
             {
                 if (Unsafe.As<Mv, int>(ref mv) != Unsafe.As<Mv, int>(ref mvRefList[0]))
                 {
-                    mvRefList[refMvCount] = mv;
-                    refMvCount++;
-
+                    mvRefList[refCount] = mv;
+                    refCount++;
                     return true;
                 }
             }
             else
             {
-                mvRefList[refMvCount++] = mv;
+                mvRefList[refCount++] = mv;
                 if (earlyBreak)
                 {
                     return true;
@@ -574,19 +550,7 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             return false;
         }
 
-        // Performs mv sign inversion if indicated by the reference frame combination.
-        private static Mv ScaleMv(ref ModeInfo mi, int refr, sbyte thisRefFrame, ref Array4<sbyte> refSignBias)
-        {
-            Mv mv = mi.Mv[refr];
-            if (refSignBias[mi.RefFrame[refr]] != refSignBias[thisRefFrame])
-            {
-                mv.Row *= -1;
-                mv.Col *= -1;
-            }
-            return mv;
-        }
-
-        private static bool IsDiffRefFrameAddMvEb(
+        private static bool IsDiffRefFrameAddEb(
             ref ModeInfo mbmi,
             sbyte refFrame,
             ref Array4<sbyte> refSignBias,
@@ -598,26 +562,30 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             {
                 if (mbmi.RefFrame[0] != refFrame)
                 {
-                    if (AddMvRefListEb(ScaleMv(ref mbmi, 0, refFrame, ref refSignBias), ref refmvCount, mvRefList, earlyBreak))
-                    {
-                        return true;
-                    }
-                }
-                if (mbmi.HasSecondRef() && mbmi.RefFrame[1] != refFrame && Unsafe.As<Mv, int>(ref mbmi.Mv[1]) != Unsafe.As<Mv, int>(ref mbmi.Mv[0]))
-                {
-                    if (AddMvRefListEb(ScaleMv(ref mbmi, 1, refFrame, ref refSignBias), ref refmvCount, mvRefList, earlyBreak))
+                    if (AddRefListEb(mbmi.ScaleMv(0, refFrame, ref refSignBias), ref refmvCount, mvRefList,
+                            earlyBreak))
                     {
                         return true;
                     }
                 }
 
+                if (mbmi.HasSecondRef() && mbmi.RefFrame[1] != refFrame &&
+                    Unsafe.As<Mv, int>(ref mbmi.Mv[1]) != Unsafe.As<Mv, int>(ref mbmi.Mv[0]))
+                {
+                    if (AddRefListEb(mbmi.ScaleMv(1, refFrame, ref refSignBias), ref refmvCount, mvRefList,
+                            earlyBreak))
+                    {
+                        return true;
+                    }
+                }
             }
+
             return false;
         }
 
         // This function searches the neighborhood of a given MB/SB
         // to try and find candidate reference vectors.
-        private static int DecFindMvRefs(
+        private static int DecFindRefs(
             ref Vp9Common cm,
             ref MacroBlockD xd,
             PredictionMode mode,
@@ -632,14 +600,16 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             ref Array4<sbyte> refSignBias = ref cm.RefFrameSignBias;
             int i, refmvCount = 0;
             bool differentRefFound = false;
-            Ptr<MvRef> prevFrameMvs = cm.UsePrevFrameMvs ? new Ptr<MvRef>(ref cm.PrevFrameMvs[miRow * cm.MiCols + miCol]) : Ptr<MvRef>.Null;
+            Ptr<MvRef> prevFrameMvs = cm.UsePrevFrameMvs
+                ? new Ptr<MvRef>(ref cm.PrevFrameMvs[(miRow * cm.MiCols) + miCol])
+                : Ptr<MvRef>.Null;
             ref TileInfo tile = ref xd.Tile;
             // If mode is nearestmv or newmv (uses nearestmv as a reference) then stop
             // searching after the first mv is found.
             bool earlyBreak = mode != PredictionMode.NearMv;
 
             // Blank the reference vector list
-            mvRefList[..Constants.MaxMvRefCandidates].Clear();
+            mvRefList.Slice(0, Constants.MaxMvRefCandidates).Fill(new Mv());
 
             i = 0;
             if (isSub8X8 != 0)
@@ -651,19 +621,21 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
                     ref Position mvRef = ref mvRefSearch[i];
                     if (tile.IsInside(miCol, miRow, cm.MiRows, ref mvRef))
                     {
-                        ref ModeInfo candidateMi = ref xd.Mi[mvRef.Col + mvRef.Row * xd.MiStride].Value;
+                        ref ModeInfo candidateMi = ref xd.Mi[mvRef.Col + (mvRef.Row * xd.MiStride)].Value;
                         differentRefFound = true;
 
                         if (candidateMi.RefFrame[0] == refFrame)
                         {
-                            if (AddMvRefListEb(candidateMi.GetSubBlockMv(0, mvRef.Col, block), ref refmvCount, mvRefList, earlyBreak))
+                            if (AddRefListEb(candidateMi.GetSubBlockMv(0, mvRef.Col, block), ref refmvCount,
+                                    mvRefList, earlyBreak))
                             {
                                 goto Done;
                             }
                         }
                         else if (candidateMi.RefFrame[1] == refFrame)
                         {
-                            if (AddMvRefListEb(candidateMi.GetSubBlockMv(1, mvRef.Col, block), ref refmvCount, mvRefList, earlyBreak))
+                            if (AddRefListEb(candidateMi.GetSubBlockMv(1, mvRef.Col, block), ref refmvCount,
+                                    mvRefList, earlyBreak))
                             {
                                 goto Done;
                             }
@@ -675,24 +647,24 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             // Check the rest of the neighbors in much the same way
             // as before except we don't need to keep track of sub blocks or
             // mode counts.
-            for (; i < MvrefNeighbours; ++i)
+            for (; i < RefNeighbours; ++i)
             {
                 ref Position mvRef = ref mvRefSearch[i];
                 if (tile.IsInside(miCol, miRow, cm.MiRows, ref mvRef))
                 {
-                    ref ModeInfo candidate = ref xd.Mi[mvRef.Col + mvRef.Row * xd.MiStride].Value;
+                    ref ModeInfo candidate = ref xd.Mi[mvRef.Col + (mvRef.Row * xd.MiStride)].Value;
                     differentRefFound = true;
 
                     if (candidate.RefFrame[0] == refFrame)
                     {
-                        if (AddMvRefListEb(candidate.Mv[0], ref refmvCount, mvRefList, earlyBreak))
+                        if (AddRefListEb(candidate.Mv[0], ref refmvCount, mvRefList, earlyBreak))
                         {
                             goto Done;
                         }
                     }
                     else if (candidate.RefFrame[1] == refFrame)
                     {
-                        if (AddMvRefListEb(candidate.Mv[1], ref refmvCount, mvRefList, earlyBreak))
+                        if (AddRefListEb(candidate.Mv[1], ref refmvCount, mvRefList, earlyBreak))
                         {
                             goto Done;
                         }
@@ -705,14 +677,14 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             {
                 if (prevFrameMvs.Value.RefFrame[0] == refFrame)
                 {
-                    if (AddMvRefListEb(prevFrameMvs.Value.Mv[0], ref refmvCount, mvRefList, earlyBreak))
+                    if (AddRefListEb(prevFrameMvs.Value.Mv[0], ref refmvCount, mvRefList, earlyBreak))
                     {
                         goto Done;
                     }
                 }
                 else if (prevFrameMvs.Value.RefFrame[1] == refFrame)
                 {
-                    if (AddMvRefListEb(prevFrameMvs.Value.Mv[1], ref refmvCount, mvRefList, earlyBreak))
+                    if (AddRefListEb(prevFrameMvs.Value.Mv[1], ref refmvCount, mvRefList, earlyBreak))
                     {
                         goto Done;
                     }
@@ -724,15 +696,16 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             // different reference frames.
             if (differentRefFound)
             {
-                for (i = 0; i < MvrefNeighbours; ++i)
+                for (i = 0; i < RefNeighbours; ++i)
                 {
                     ref Position mvRef = ref mvRefSearch[i];
                     if (tile.IsInside(miCol, miRow, cm.MiRows, ref mvRef))
                     {
-                        ref ModeInfo candidate = ref xd.Mi[mvRef.Col + mvRef.Row * xd.MiStride].Value;
+                        ref ModeInfo candidate = ref xd.Mi[mvRef.Col + (mvRef.Row * xd.MiStride)].Value;
 
                         // If the candidate is Intra we don't want to consider its mv.
-                        if (IsDiffRefFrameAddMvEb(ref candidate, refFrame, ref refSignBias, ref refmvCount, mvRefList, earlyBreak))
+                        if (IsDiffRefFrameAddEb(ref candidate, refFrame, ref refSignBias, ref refmvCount, mvRefList,
+                                earlyBreak))
                         {
                             goto Done;
                         }
@@ -751,7 +724,8 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
                         mv.Row *= -1;
                         mv.Col *= -1;
                     }
-                    if (AddMvRefListEb(mv, ref refmvCount, mvRefList, earlyBreak))
+
+                    if (AddRefListEb(mv, ref refmvCount, mvRefList, earlyBreak))
                     {
                         goto Done;
                     }
@@ -759,7 +733,8 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
 
                 if (prevFrameMvs.Value.RefFrame[1] > Constants.IntraFrame &&
                     prevFrameMvs.Value.RefFrame[1] != refFrame &&
-                    Unsafe.As<Mv, int>(ref prevFrameMvs.Value.Mv[1]) != Unsafe.As<Mv, int>(ref prevFrameMvs.Value.Mv[0]))
+                    Unsafe.As<Mv, int>(ref prevFrameMvs.Value.Mv[1]) !=
+                    Unsafe.As<Mv, int>(ref prevFrameMvs.Value.Mv[0]))
                 {
                     Mv mv = prevFrameMvs.Value.Mv[1];
                     if (refSignBias[prevFrameMvs.Value.RefFrame[1]] != refSignBias[refFrame])
@@ -767,7 +742,8 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
                         mv.Row *= -1;
                         mv.Col *= -1;
                     }
-                    if (AddMvRefListEb(mv, ref refmvCount, mvRefList, earlyBreak))
+
+                    if (AddRefListEb(mv, ref refmvCount, mvRefList, earlyBreak))
                     {
                         goto Done;
                     }
@@ -784,17 +760,17 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
                 refmvCount = 1;
             }
 
-        Done:
+            Done:
             // Clamp vectors
             for (i = 0; i < refmvCount; ++i)
             {
-                mvRefList[i].ClampMvRef(ref xd);
+                mvRefList[i].ClampRef(ref xd);
             }
 
             return refmvCount;
         }
 
-        private static void AppendSub8x8MvsForIdx(
+        private static void AppendSub8X8ForIdx(
             ref Vp9Common cm,
             ref MacroBlockD xd,
             Span<Position> mvRefSearch,
@@ -803,46 +779,47 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             int refr,
             int miRow,
             int miCol,
-            ref Mv bestSub8x8)
+            ref Mv bestSub8X8)
         {
             Span<Mv> mvList = stackalloc Mv[Constants.MaxMvRefCandidates];
             ref ModeInfo mi = ref xd.Mi[0].Value;
             ref Array4<BModeInfo> bmi = ref mi.Bmi;
-            int n;
             int refmvCount;
 
             Debug.Assert(Constants.MaxMvRefCandidates == 2);
 
-            refmvCount = DecFindMvRefs(ref cm, ref xd, bMode, mi.RefFrame[refr], mvRefSearch, mvList, miRow, miCol, block, 1);
+            refmvCount = DecFindRefs(ref cm, ref xd, bMode, mi.RefFrame[refr], mvRefSearch, mvList, miRow, miCol,
+                block, 1);
 
             switch (block)
             {
                 case 0:
-                    bestSub8x8 = mvList[refmvCount - 1];
+                    bestSub8X8 = mvList[refmvCount - 1];
                     break;
                 case 1:
                 case 2:
                     if (bMode == PredictionMode.NearestMv)
                     {
-                        bestSub8x8 = bmi[0].Mv[refr];
+                        bestSub8X8 = bmi[0].Mv[refr];
                     }
                     else
                     {
-                        bestSub8x8 = new Mv();
-                        for (n = 0; n < refmvCount; ++n)
+                        bestSub8X8 = new Mv();
+                        for (int n = 0; n < refmvCount; ++n)
                         {
                             if (Unsafe.As<Mv, int>(ref bmi[0].Mv[refr]) != Unsafe.As<Mv, int>(ref mvList[n]))
                             {
-                                bestSub8x8 = mvList[n];
+                                bestSub8X8 = mvList[n];
                                 break;
                             }
                         }
                     }
+
                     break;
                 case 3:
                     if (bMode == PredictionMode.NearestMv)
                     {
-                        bestSub8x8 = bmi[2].Mv[refr];
+                        bestSub8X8 = bmi[2].Mv[refr];
                     }
                     else
                     {
@@ -851,16 +828,17 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
                         candidates[1] = bmi[0].Mv[refr];
                         candidates[2] = mvList[0];
                         candidates[3] = mvList[1];
-                        bestSub8x8 = new Mv();
-                        for (n = 0; n < 2 + Constants.MaxMvRefCandidates; ++n)
+                        bestSub8X8 = new Mv();
+                        for (int n = 0; n < 2 + Constants.MaxMvRefCandidates; ++n)
                         {
                             if (Unsafe.As<Mv, int>(ref bmi[2].Mv[refr]) != Unsafe.As<Mv, int>(ref candidates[n]))
                             {
-                                bestSub8x8 = candidates[n];
+                                bestSub8X8 = candidates[n];
                                 break;
                             }
                         }
                     }
+
                     break;
                 default:
                     Debug.Assert(false, "Invalid block index.");
@@ -868,19 +846,19 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             }
         }
 
-        private static byte GetModeContext(ref Vp9Common cm, ref MacroBlockD xd, Span<Position> mvRefSearch, int miRow, int miCol)
+        private static byte GetModeContext(ref Vp9Common cm, ref MacroBlockD xd, Span<Position> mvRefSearch, int miRow,
+            int miCol)
         {
-            int i;
             int contextCounter = 0;
             ref TileInfo tile = ref xd.Tile;
 
             // Get mode count from nearest 2 blocks
-            for (i = 0; i < 2; ++i)
+            for (int i = 0; i < 2; ++i)
             {
                 ref Position mvRef = ref mvRefSearch[i];
                 if (tile.IsInside(miCol, miRow, cm.MiRows, ref mvRef))
                 {
-                    ref ModeInfo candidate = ref xd.Mi[mvRef.Col + mvRef.Row * xd.MiStride].Value;
+                    ref ModeInfo candidate = ref xd.Mi[mvRef.Col + (mvRef.Row * xd.MiStride)].Value;
                     // Keep counts for entropy encoding.
                     contextCounter += Luts.Mode2Counter[(int)candidate.Mode];
                 }
@@ -898,7 +876,7 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             ref Reader r)
         {
             BlockSize bsize = mi.SbType;
-            bool allowHP = cm.AllowHighPrecisionMv;
+            bool allowHp = cm.AllowHighPrecisionMv;
             Array2<Mv> bestRefMvs = new();
             int refr, isCompound;
             byte interModeCtx;
@@ -908,19 +886,19 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             isCompound = mi.HasSecondRef() ? 1 : 0;
             interModeCtx = GetModeContext(ref cm, ref xd, mvRefSearch, miRow, miCol);
 
-            if (cm.Seg.IsSegFeatureActive(mi.SegmentId, SegLvlFeatures.SegLvlSkip) != 0)
+            if (cm.Seg.IsSegFeatureActive(mi.SegmentId, SegLvlFeatures.Skip) != 0)
             {
                 mi.Mode = PredictionMode.ZeroMv;
-                if (bsize < BlockSize.Block8x8)
+                if (bsize < BlockSize.Block8X8)
                 {
-                    xd.ErrorInfo.Value.InternalError(CodecErr.CodecUnsupBitstream, "Invalid usage of segement feature on small blocks");
-
+                    xd.ErrorInfo.Value.InternalError(CodecErr.UnsupBitstream,
+                        "Invalid usage of segement feature on small blocks");
                     return;
                 }
             }
             else
             {
-                if (bsize >= BlockSize.Block8x8)
+                if (bsize >= BlockSize.Block8X8)
                 {
                     mi.Mode = ReadInterMode(ref cm, ref xd, ref r, interModeCtx);
                 }
@@ -942,42 +920,47 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
                         sbyte frame = mi.RefFrame[refr];
                         int refmvCount;
 
-                        refmvCount = DecFindMvRefs(ref cm, ref xd, mi.Mode, frame, mvRefSearch, tmpMvs, miRow, miCol, -1, 0);
+                        refmvCount = DecFindRefs(ref cm, ref xd, mi.Mode, frame, mvRefSearch, tmpMvs, miRow, miCol,
+                            -1, 0);
 
-                        DecFindBestRefMvs(allowHP, tmpMvs, ref bestRefMvs[refr], refmvCount);
+                        DecFindBestRefs(allowHp, tmpMvs, ref bestRefMvs[refr], refmvCount);
                     }
                 }
             }
 
-            mi.InterpFilter = (cm.InterpFilter == Constants.Switchable) ? ReadSwitchableInterpFilter(ref cm, ref xd, ref r) : cm.InterpFilter;
+            mi.InterpFilter = cm.InterpFilter == Constants.Switchable
+                ? ReadSwitchableInterpFilter(ref cm, ref xd, ref r)
+                : cm.InterpFilter;
 
-            if (bsize < BlockSize.Block8x8)
+            if (bsize < BlockSize.Block8X8)
             {
                 int num4X4W = 1 << xd.BmodeBlocksWl;
                 int num4X4H = 1 << xd.BmodeBlocksHl;
                 int idx, idy;
                 PredictionMode bMode = 0;
-                Array2<Mv> bestSub8x8 = new();
+                Array2<Mv> bestSub8X8 = new();
                 const uint InvalidMv = 0x80008000;
                 // Initialize the 2nd element as even though it won't be used meaningfully
                 // if isCompound is false.
-                Unsafe.As<Mv, uint>(ref bestSub8x8[1]) = InvalidMv;
+                Unsafe.As<Mv, uint>(ref bestSub8X8[1]) = InvalidMv;
                 for (idy = 0; idy < 2; idy += num4X4H)
                 {
                     for (idx = 0; idx < 2; idx += num4X4W)
                     {
-                        int j = idy * 2 + idx;
+                        int j = (idy * 2) + idx;
                         bMode = ReadInterMode(ref cm, ref xd, ref r, interModeCtx);
 
                         if (bMode == PredictionMode.NearestMv || bMode == PredictionMode.NearMv)
                         {
                             for (refr = 0; refr < 1 + isCompound; ++refr)
                             {
-                                AppendSub8x8MvsForIdx(ref cm, ref xd, mvRefSearch, bMode, j, refr, miRow, miCol, ref bestSub8x8[refr]);
+                                AppendSub8X8ForIdx(ref cm, ref xd, mvRefSearch, bMode, j, refr, miRow, miCol,
+                                    ref bestSub8X8[refr]);
                             }
                         }
 
-                        if (!AssignMv(ref cm, ref xd, bMode, ref mi.Bmi[j].Mv, ref bestRefMvs, ref bestSub8x8, isCompound, allowHP, ref r))
+                        if (!Assign(ref cm, ref xd, bMode, ref mi.Bmi[j].Mv, ref bestRefMvs, ref bestSub8X8,
+                                isCompound, allowHp, ref r))
                         {
                             xd.Corrupted |= true;
                             break;
@@ -997,11 +980,12 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
 
                 mi.Mode = bMode;
 
-                CopyMvPair(ref mi.Mv, ref mi.Bmi[3].Mv);
+                CopyPair(ref mi.Mv, ref mi.Bmi[3].Mv);
             }
             else
             {
-                xd.Corrupted |= !AssignMv(ref cm, ref xd, mi.Mode, ref mi.Mv, ref bestRefMvs, ref bestRefMvs, isCompound, allowHP, ref r);
+                xd.Corrupted |= !Assign(ref cm, ref xd, mi.Mode, ref mi.Mv, ref bestRefMvs, ref bestRefMvs,
+                    isCompound, allowHp, ref r);
             }
         }
 
@@ -1045,7 +1029,6 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             }
 
             Debug.Assert(b == 1 || b == 3);
-
             return curMi.Value.Bmi[b - 1].Mode;
         }
 
@@ -1062,7 +1045,6 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             }
 
             Debug.Assert(b == 2 || b == 3);
-
             return curMi.Value.Bmi[b - 2].Mode;
         }
 
@@ -1075,7 +1057,6 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
         {
             PredictionMode above = AboveBlockMode(mi, aboveMi, block);
             PredictionMode left = LeftBlockMode(mi, leftMi, block);
-
             return fc.KfYModeProb[(int)above][(int)left].AsSpan();
         }
 
@@ -1092,8 +1073,8 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             Ptr<ModeInfo> aboveMi = xd.AboveMi;
             Ptr<ModeInfo> leftMi = xd.LeftMi;
             BlockSize bsize = mi.Value.SbType;
-            int i;
-            int miOffset = miRow * cm.MiCols + miCol;
+
+            int miOffset = (miRow * cm.MiCols) + miCol;
 
             mi.Value.SegmentId = (sbyte)ReadIntraSegmentId(ref cm, miOffset, xMis, yMis, ref r);
             mi.Value.Skip = (sbyte)ReadSkip(ref cm, ref xd, mi.Value.SegmentId, ref r);
@@ -1103,8 +1084,8 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
 
             switch (bsize)
             {
-                case BlockSize.Block4x4:
-                    for (i = 0; i < 4; ++i)
+                case BlockSize.Block4X4:
+                    for (int i = 0; i < 4; ++i)
                     {
                         mi.Value.Bmi[i].Mode =
                             ReadIntraMode(ref r, GetYModeProbs(ref cm.Fc.Value, mi, aboveMi, leftMi, i));
@@ -1112,13 +1093,13 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
 
                     mi.Value.Mode = mi.Value.Bmi[3].Mode;
                     break;
-                case BlockSize.Block4x8:
+                case BlockSize.Block4X8:
                     mi.Value.Bmi[0].Mode = mi.Value.Bmi[2].Mode =
                         ReadIntraMode(ref r, GetYModeProbs(ref cm.Fc.Value, mi, aboveMi, leftMi, 0));
                     mi.Value.Bmi[1].Mode = mi.Value.Bmi[3].Mode = mi.Value.Mode =
                         ReadIntraMode(ref r, GetYModeProbs(ref cm.Fc.Value, mi, aboveMi, leftMi, 1));
                     break;
-                case BlockSize.Block8x4:
+                case BlockSize.Block8X4:
                     mi.Value.Bmi[0].Mode = mi.Value.Bmi[1].Mode =
                         ReadIntraMode(ref r, GetYModeProbs(ref cm.Fc.Value, mi, aboveMi, leftMi, 0));
                     mi.Value.Bmi[2].Mode = mi.Value.Bmi[3].Mode = mi.Value.Mode =
@@ -1149,8 +1130,7 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             ref Reader r = ref twd.BitReader;
             ref MacroBlockD xd = ref twd.Xd;
             ref ModeInfo mi = ref xd.Mi[0].Value;
-            ArrayPtr<MvRef> frameMvs = cm.CurFrameMvs.Slice(miRow * cm.MiCols + miCol);
-            int w, h;
+            ArrayPtr<MvRef> frameMvs = cm.CurFrameMvs.Slice((miRow * cm.MiCols) + miCol);
 
             if (cm.FrameIsIntraOnly())
             {
@@ -1160,17 +1140,18 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             {
                 ReadInterFrameModeInfo(ref cm, ref xd, miRow, miCol, ref r, xMis, yMis);
 
-                for (h = 0; h < yMis; ++h)
+                for (int h = 0; h < yMis; ++h)
                 {
-                    for (w = 0; w < xMis; ++w)
+                    for (int w = 0; w < xMis; ++w)
                     {
                         ref MvRef mv = ref frameMvs[w];
                         CopyRefFramePair(ref mv.RefFrame, ref mi.RefFrame);
-                        CopyMvPair(ref mv.Mv, ref mi.Mv);
+                        CopyPair(ref mv.Mv, ref mi.Mv);
                     }
+
                     frameMvs = frameMvs.Slice(cm.MiCols);
                 }
             }
         }
     }
-}
+}

src/Ryujinx.Graphics.Nvdec.Vp9/Decoder.cs

@@ -1,4 +1,4 @@
-using Ryujinx.Common.Memory;
+using Ryujinx.Common.Memory;
 using Ryujinx.Graphics.Nvdec.Vp9.Common;
 using Ryujinx.Graphics.Nvdec.Vp9.Types;
 using Ryujinx.Graphics.Video;
@@ -12,15 +12,15 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
 
         private readonly MemoryAllocator _allocator = new();
 
-        public ISurface CreateSurface(int width, int height) => new Surface(width, height);
-
-        private static ReadOnlySpan<byte> LiteralToFilter => new byte[]
+        public ISurface CreateSurface(int width, int height)
         {
-            Constants.EightTapSmooth,
-            Constants.EightTap,
-            Constants.EightTapSharp,
-            Constants.Bilinear,
-        };
+            return new Surface(width, height);
+        }
+
+        private static ReadOnlySpan<byte> LiteralToFilter =>
+        [
+            Constants.EightTapSmooth, Constants.EightTap, Constants.EightTapSharp, Constants.Bilinear
+        ];
 
         public unsafe bool Decode(
             ref Vp9PictureInfo pictureInfo,
@@ -29,25 +29,24 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             ReadOnlySpan<Vp9MvRef> mvsIn,
             Span<Vp9MvRef> mvsOut)
         {
-            Vp9Common cm = new()
-            {
-                FrameType = pictureInfo.IsKeyFrame ? FrameType.KeyFrame : FrameType.InterFrame,
-                IntraOnly = pictureInfo.IntraOnly,
+            Vp9Common cm = new();
 
-                Width = output.Width,
-                Height = output.Height,
-                SubsamplingX = 1,
-                SubsamplingY = 1,
+            cm.FrameType = pictureInfo.IsKeyFrame ? FrameType.KeyFrame : FrameType.InterFrame;
+            cm.IntraOnly = pictureInfo.IntraOnly;
 
-                UsePrevFrameMvs = pictureInfo.UsePrevInFindMvRefs,
+            cm.Width = output.Width;
+            cm.Height = output.Height;
+            cm.SubsamplingX = 1;
+            cm.SubsamplingY = 1;
 
-                RefFrameSignBias = pictureInfo.RefFrameSignBias,
+            cm.UsePrevFrameMvs = pictureInfo.UsePrevInFindMvRefs;
 
-                BaseQindex = pictureInfo.BaseQIndex,
-                YDcDeltaQ = pictureInfo.YDcDeltaQ,
-                UvAcDeltaQ = pictureInfo.UvAcDeltaQ,
-                UvDcDeltaQ = pictureInfo.UvDcDeltaQ,
-            };
+            cm.RefFrameSignBias = pictureInfo.RefFrameSignBias;
+
+            cm.BaseQindex = pictureInfo.BaseQIndex;
+            cm.YDcDeltaQ = pictureInfo.YDcDeltaQ;
+            cm.UvAcDeltaQ = pictureInfo.UvAcDeltaQ;
+            cm.UvDcDeltaQ = pictureInfo.UvDcDeltaQ;
 
             cm.Mb.Lossless = pictureInfo.Lossless;
             cm.Mb.Bd = 8;
@@ -68,6 +67,8 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             cm.CompFixedRef = pictureInfo.CompFixedRef;
             cm.CompVarRef = pictureInfo.CompVarRef;
 
+            cm.BitDepth = BitDepth.Bits8;
+
             cm.Log2TileCols = pictureInfo.Log2TileCols;
             cm.Log2TileRows = pictureInfo.Log2TileRows;
 
@@ -78,6 +79,8 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             cm.Seg.FeatureMask = pictureInfo.SegmentFeatureEnable;
             cm.Seg.FeatureData = pictureInfo.SegmentFeatureData;
 
+            cm.Lf.FilterLevel = pictureInfo.LoopFilterLevel;
+            cm.Lf.SharpnessLevel = pictureInfo.LoopFilterSharpnessLevel;
             cm.Lf.ModeRefDeltaEnabled = pictureInfo.ModeRefDeltaEnabled;
             cm.Lf.RefDeltas = pictureInfo.RefDeltas;
             cm.Lf.ModeDeltas = pictureInfo.ModeDeltas;
@@ -105,7 +108,12 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             cm.SetupSegmentationDequant();
             cm.SetupScaleFactors();
 
-            SetMvs(ref cm, mvsIn);
+            cm.SetMvs(mvsIn);
+
+            if (cm.Lf.FilterLevel != 0 && cm.SkipLoopFilter == 0)
+            {
+                LoopFilter.LoopFilterFrameInit(ref cm, cm.Lf.FilterLevel);
+            }
 
             fixed (byte* dataPtr = bitstream)
             {
@@ -114,10 +122,27 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
                     if (maxThreads > 1 && tileRows == 1 && tileCols > 1)
                     {
                         DecodeFrame.DecodeTilesMt(ref cm, new ArrayPtr<byte>(dataPtr, bitstream.Length), maxThreads);
+
+                        LoopFilter.LoopFilterFrameMt(
+                            ref cm.Mb.CurBuf,
+                            ref cm,
+                            ref cm.Mb,
+                            cm.Lf.FilterLevel,
+                            false,
+                            false,
+                            maxThreads);
                     }
                     else
                     {
                         DecodeFrame.DecodeTiles(ref cm, new ArrayPtr<byte>(dataPtr, bitstream.Length));
+
+                        LoopFilter.LoopFilterFrame(
+                            ref cm.Mb.CurBuf,
+                            ref cm,
+                            ref cm.Mb,
+                            cm.Lf.FilterLevel,
+                            false,
+                            false);
                     }
                 }
                 catch (InternalErrorException)
@@ -126,7 +151,7 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
                 }
             }
 
-            GetMvs(ref cm, mvsOut);
+            cm.GetMvs(mvsOut);
 
             cm.FreeTileWorkerData(_allocator);
             cm.FreeContextBuffers(_allocator);
@@ -134,48 +159,9 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             return true;
         }
 
-        private static void SetMvs(ref Vp9Common cm, ReadOnlySpan<Vp9MvRef> mvs)
+        public void Dispose()
         {
-            if (mvs.Length > cm.PrevFrameMvs.Length)
-            {
-                throw new ArgumentException($"Size mismatch, expected: {cm.PrevFrameMvs.Length}, but got: {mvs.Length}.");
-            }
-
-            for (int i = 0; i < mvs.Length; i++)
-            {
-                ref var mv = ref cm.PrevFrameMvs[i];
-
-                mv.Mv[0].Row = mvs[i].Mvs[0].Row;
-                mv.Mv[0].Col = mvs[i].Mvs[0].Col;
-                mv.Mv[1].Row = mvs[i].Mvs[1].Row;
-                mv.Mv[1].Col = mvs[i].Mvs[1].Col;
-
-                mv.RefFrame[0] = (sbyte)mvs[i].RefFrames[0];
-                mv.RefFrame[1] = (sbyte)mvs[i].RefFrames[1];
-            }
+            _allocator.Dispose();
         }
-
-        private static void GetMvs(ref Vp9Common cm, Span<Vp9MvRef> mvs)
-        {
-            if (mvs.Length > cm.CurFrameMvs.Length)
-            {
-                throw new ArgumentException($"Size mismatch, expected: {cm.CurFrameMvs.Length}, but got: {mvs.Length}.");
-            }
-
-            for (int i = 0; i < mvs.Length; i++)
-            {
-                ref var mv = ref cm.CurFrameMvs[i];
-
-                mvs[i].Mvs[0].Row = mv.Mv[0].Row;
-                mvs[i].Mvs[0].Col = mv.Mv[0].Col;
-                mvs[i].Mvs[1].Row = mv.Mv[1].Row;
-                mvs[i].Mvs[1].Col = mv.Mv[1].Col;
-
-                mvs[i].RefFrames[0] = mv.RefFrame[0];
-                mvs[i].RefFrames[1] = mv.RefFrame[1];
-            }
-        }
-
-        public void Dispose() => _allocator.Dispose();
     }
-}
+}

src/Ryujinx.Graphics.Nvdec.Vp9/Detokenize.cs

@@ -1,4 +1,4 @@
-using Ryujinx.Common.Memory;
+using Ryujinx.Common.Memory;
 using Ryujinx.Graphics.Nvdec.Vp9.Dsp;
 using Ryujinx.Graphics.Nvdec.Vp9.Types;
 using Ryujinx.Graphics.Video;
@@ -19,24 +19,8 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
         {
             const int MaxNeighbors = 2;
 
-            return (1 + tokenCache[neighbors[MaxNeighbors * c + 0]] + tokenCache[neighbors[MaxNeighbors * c + 1]]) >> 1;
-        }
-
-        private static int ReadCoeff(
-            ref Reader r,
-            ReadOnlySpan<byte> probs,
-            int n,
-            ref ulong value,
-            ref int count,
-            ref uint range)
-        {
-            int i, val = 0;
-            for (i = 0; i < n; ++i)
-            {
-                val = (val << 1) | r.ReadBool(probs[i], ref value, ref count, ref range);
-            }
-
-            return val;
+            return (1 + tokenCache[neighbors[(MaxNeighbors * c) + 0]] +
+                    tokenCache[neighbors[(MaxNeighbors * c) + 1]]) >> 1;
         }
 
         private static int DecodeCoefs(
@@ -58,13 +42,15 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             ref Array6<Array6<Array3<byte>>> coefProbs = ref fc.CoefProbs[(int)txSize][(int)type][refr];
             Span<byte> tokenCache = stackalloc byte[32 * 32];
             ReadOnlySpan<byte> bandTranslate = Luts.GetBandTranslate(txSize);
-            int dqShift = (txSize == TxSize.Tx32x32) ? 1 : 0;
+            int dqShift = txSize == TxSize.Tx32X32 ? 1 : 0;
             int v;
             short dqv = dq[0];
-            ReadOnlySpan<byte> cat6Prob = (xd.Bd == 12)
-                ? Luts.Vp9Cat6ProbHigh12
-                : (xd.Bd == 10) ? Luts.Vp9Cat6ProbHigh12[2..] : Luts.Vp9Cat6Prob;
-            int cat6Bits = (xd.Bd == 12) ? 18 : (xd.Bd == 10) ? 16 : 14;
+            ReadOnlySpan<byte> cat6Prob = xd.Bd == 12
+                ? Luts.Cat6ProbHigh12
+                : xd.Bd == 10
+                    ? Luts.Cat6ProbHigh12.Slice(2)
+                    : Luts.Cat6Prob;
+            int cat6Bits = xd.Bd == 12 ? 18 : xd.Bd == 10 ? 16 : 14;
             // Keep value, range, and count as locals.  The compiler produces better
             // results with the locals than using r directly.
             ulong value = r.Value;
@@ -75,7 +61,7 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             {
                 int val = -1;
                 band = bandTranslate[0];
-                bandTranslate = bandTranslate[1..];
+                bandTranslate = bandTranslate.Slice(1);
                 ref Array3<byte> prob = ref coefProbs[band][ctx];
                 if (!xd.Counts.IsNull)
                 {
@@ -107,18 +93,18 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
                         r.Value = value;
                         r.Range = range;
                         r.Count = count;
-
                         return c; // Zero tokens at the end (no eob token)
                     }
+
                     ctx = GetCoefContext(nb, tokenCache, c);
                     band = bandTranslate[0];
-                    bandTranslate = bandTranslate[1..];
+                    bandTranslate = bandTranslate.Slice(1);
                     prob = ref coefProbs[band][ctx];
                 }
 
                 if (r.ReadBool(prob[OneContextNode], ref value, ref count, ref range) != 0)
                 {
-                    ReadOnlySpan<byte> p = Luts.Vp9Pareto8Full[prob[Constants.PivotNode] - 1];
+                    ReadOnlySpan<byte> p = Luts.Pareto8Full[prob[Constants.PivotNode] - 1];
                     if (!xd.Counts.IsNull)
                     {
                         ++counts.Coef[(int)txSize][(int)type][refr][band][ctx][Constants.TwoToken];
@@ -133,20 +119,24 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
                             {
                                 if (r.ReadBool(p[7], ref value, ref count, ref range) != 0)
                                 {
-                                    val = Constants.Cat6MinVal + ReadCoeff(ref r, cat6Prob, cat6Bits, ref value, ref count, ref range);
+                                    val = Constants.Cat6MinVal + r.ReadCoeff(cat6Prob, cat6Bits, ref value,
+                                        ref count, ref range);
                                 }
                                 else
                                 {
-                                    val = Constants.Cat5MinVal + ReadCoeff(ref r, Luts.Vp9Cat5Prob, 5, ref value, ref count, ref range);
+                                    val = Constants.Cat5MinVal + r.ReadCoeff(Luts.Cat5Prob, 5, ref value,
+                                        ref count, ref range);
                                 }
                             }
                             else if (r.ReadBool(p[6], ref value, ref count, ref range) != 0)
                             {
-                                val = Constants.Cat4MinVal + ReadCoeff(ref r, Luts.Vp9Cat4Prob, 4, ref value, ref count, ref range);
+                                val = Constants.Cat4MinVal + r.ReadCoeff(Luts.Cat4Prob, 4, ref value, ref count,
+                                    ref range);
                             }
                             else
                             {
-                                val = Constants.Cat3MinVal + ReadCoeff(ref r, Luts.Vp9Cat3Prob, 3, ref value, ref count, ref range);
+                                val = Constants.Cat3MinVal + r.ReadCoeff(Luts.Cat3Prob, 3, ref value, ref count,
+                                    ref range);
                             }
                         }
                         else
@@ -154,13 +144,16 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
                             tokenCache[scan[c]] = 4;
                             if (r.ReadBool(p[4], ref value, ref count, ref range) != 0)
                             {
-                                val = Constants.Cat2MinVal + ReadCoeff(ref r, Luts.Vp9Cat2Prob, 2, ref value, ref count, ref range);
+                                val = Constants.Cat2MinVal + r.ReadCoeff(Luts.Cat2Prob, 2, ref value, ref count,
+                                    ref range);
                             }
                             else
                             {
-                                val = Constants.Cat1MinVal + ReadCoeff(ref r, Luts.Vp9Cat1Prob, 1, ref value, ref count, ref range);
+                                val = Constants.Cat1MinVal + r.ReadCoeff(Luts.Cat1Prob, 1, ref value, ref count,
+                                    ref range);
                             }
                         }
+
                         // Val may use 18-bits
                         v = (int)(((long)val * dqv) >> dqShift);
                     }
@@ -188,7 +181,9 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
                     tokenCache[scan[c]] = 1;
                     v = dqv >> dqShift;
                 }
-                dqcoeff[scan[c]] = (int)HighbdCheckRange(r.ReadBool(128, ref value, ref count, ref range) != 0 ? -v : v, xd.Bd);
+
+                dqcoeff[scan[c]] = (int)HighbdCheckRange(r.ReadBool(128, ref value, ref count, ref range) != 0 ? -v : v,
+                    xd.Bd);
                 ++c;
                 ctx = GetCoefContext(nb, tokenCache, c);
                 dqv = dq[1];
@@ -197,11 +192,11 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             r.Value = value;
             r.Range = range;
             r.Count = count;
-
             return c;
         }
 
-        private static void GetCtxShift(ref MacroBlockD xd, ref int ctxShiftA, ref int ctxShiftL, int x, int y, uint txSizeInBlocks)
+        private static void GetCtxShift(ref MacroBlockD xd, ref int ctxShiftA, ref int ctxShiftL, int x, int y,
+            uint txSizeInBlocks)
         {
             if (xd.MaxBlocksWide != 0)
             {
@@ -210,6 +205,7 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
                     ctxShiftA = (int)(txSizeInBlocks - (xd.MaxBlocksWide - x)) * 8;
                 }
             }
+
             if (xd.MaxBlocksHigh != 0)
             {
                 if (txSizeInBlocks + y > xd.MaxBlocksHigh)
@@ -238,15 +234,15 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             ref MacroBlockDPlane pd = ref xd.Plane[plane];
             ref Array2<short> dequant = ref pd.SegDequant[segId];
             int eob;
-            Span<sbyte> a = pd.AboveContext.AsSpan()[x..];
-            Span<sbyte> l = pd.LeftContext.AsSpan()[y..];
+            Span<sbyte> a = pd.AboveContext.AsSpan().Slice(x);
+            Span<sbyte> l = pd.LeftContext.AsSpan().Slice(y);
             int ctx;
             int ctxShiftA = 0;
             int ctxShiftL = 0;
 
             switch (txSize)
             {
-                case TxSize.Tx4x4:
+                case TxSize.Tx4X4:
                     ctx = a[0] != 0 ? 1 : 0;
                     ctx += l[0] != 0 ? 1 : 0;
                     eob = DecodeCoefs(
@@ -261,8 +257,8 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
                         ref r);
                     a[0] = l[0] = (sbyte)(eob > 0 ? 1 : 0);
                     break;
-                case TxSize.Tx8x8:
-                    GetCtxShift(ref xd, ref ctxShiftA, ref ctxShiftL, x, y, 1 << (int)TxSize.Tx8x8);
+                case TxSize.Tx8X8:
+                    GetCtxShift(ref xd, ref ctxShiftA, ref ctxShiftL, x, y, 1 << (int)TxSize.Tx8X8);
                     ctx = MemoryMarshal.Cast<sbyte, ushort>(a)[0] != 0 ? 1 : 0;
                     ctx += MemoryMarshal.Cast<sbyte, ushort>(l)[0] != 0 ? 1 : 0;
                     eob = DecodeCoefs(
@@ -278,8 +274,8 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
                     MemoryMarshal.Cast<sbyte, ushort>(a)[0] = (ushort)((eob > 0 ? 0x0101 : 0) >> ctxShiftA);
                     MemoryMarshal.Cast<sbyte, ushort>(l)[0] = (ushort)((eob > 0 ? 0x0101 : 0) >> ctxShiftL);
                     break;
-                case TxSize.Tx16x16:
-                    GetCtxShift(ref xd, ref ctxShiftA, ref ctxShiftL, x, y, 1 << (int)TxSize.Tx16x16);
+                case TxSize.Tx16X16:
+                    GetCtxShift(ref xd, ref ctxShiftA, ref ctxShiftL, x, y, 1 << (int)TxSize.Tx16X16);
                     ctx = MemoryMarshal.Cast<sbyte, uint>(a)[0] != 0 ? 1 : 0;
                     ctx += MemoryMarshal.Cast<sbyte, uint>(l)[0] != 0 ? 1 : 0;
                     eob = DecodeCoefs(
@@ -295,8 +291,8 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
                     MemoryMarshal.Cast<sbyte, uint>(a)[0] = (uint)((eob > 0 ? 0x01010101 : 0) >> ctxShiftA);
                     MemoryMarshal.Cast<sbyte, uint>(l)[0] = (uint)((eob > 0 ? 0x01010101 : 0) >> ctxShiftL);
                     break;
-                case TxSize.Tx32x32:
-                    GetCtxShift(ref xd, ref ctxShiftA, ref ctxShiftL, x, y, 1 << (int)TxSize.Tx32x32);
+                case TxSize.Tx32X32:
+                    GetCtxShift(ref xd, ref ctxShiftA, ref ctxShiftL, x, y, 1 << (int)TxSize.Tx32X32);
                     // NOTE: Casting to ulong here is safe because the default memory
                     // alignment is at least 8 bytes and the Tx32x32 is aligned on 8 byte
                     // boundaries.
@@ -324,4 +320,4 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             return eob;
         }
     }
-}
+}

src/Ryujinx.Graphics.Nvdec.Vp9/Dsp/Convolve.cs

@@ -1,4 +1,4 @@
-using Ryujinx.Common.Memory;
+using Ryujinx.Common.Memory;
 using Ryujinx.Graphics.Nvdec.Vp9.Common;
 using System.Diagnostics;
 using System.Runtime.CompilerServices;
@@ -75,17 +75,16 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
             Vector128<int> zero = Vector128<int>.Zero;
             Vector128<int> const64 = Vector128.Create(64);
 
-            ulong x, y;
-            src -= SubpelTaps / 2 - 1;
+            src -= (SubpelTaps / 2) - 1;
 
             fixed (Array8<short>* xFilter = xFilters)
             {
-                Vector128<short> vfilter = Sse2.LoadVector128((short*)xFilter + (uint)(x0Q4 & SubpelMask) * 8);
+                Vector128<short> vfilter = Sse2.LoadVector128((short*)xFilter + ((uint)(x0Q4 & SubpelMask) * 8));
 
-                for (y = 0; y < (uint)h; ++y)
+                for (ulong y = 0; y < (uint)h; ++y)
                 {
                     ulong srcOffset = (uint)x0Q4 >> SubpelBits;
-                    for (x = 0; x < (uint)w; x += 4)
+                    for (ulong x = 0; x < (uint)w; x += 4)
                     {
                         Vector128<short> vsrc0 = Sse41.ConvertToVector128Int16(&src[srcOffset + x]);
                         Vector128<short> vsrc1 = Sse41.ConvertToVector128Int16(&src[srcOffset + x + 1]);
@@ -94,8 +93,10 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
 
                         Vector128<int> sum0123 = MultiplyAddAdjacent(vsrc0, vsrc1, vsrc2, vsrc3, vfilter, zero);
 
-                        Sse.StoreScalar((float*)&dst[x], PackUnsignedSaturate(RoundShift(sum0123, const64), zero).AsSingle());
+                        Sse.StoreScalar((float*)&dst[x],
+                            PackUnsignedSaturate(RoundShift(sum0123, const64), zero).AsSingle());
                     }
+
                     src += srcStride;
                     dst += dstStride;
                 }
@@ -117,22 +118,20 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
             if (Sse41.IsSupported && UseIntrinsics && xStepQ4 == 1 << SubpelBits)
             {
                 ConvolveHorizSse41(src, srcStride, dst, dstStride, xFilters, x0Q4, w, h);
-
                 return;
             }
 
-            int x, y;
-            src -= SubpelTaps / 2 - 1;
+            src -= (SubpelTaps / 2) - 1;
 
-            for (y = 0; y < h; ++y)
+            for (int y = 0; y < h; ++y)
             {
                 int xQ4 = x0Q4;
-                for (x = 0; x < w; ++x)
+                for (int x = 0; x < w; ++x)
                 {
                     byte* srcX = &src[xQ4 >> SubpelBits];
                     ref Array8<short> xFilter = ref xFilters[xQ4 & SubpelMask];
-                    int k, sum = 0;
-                    for (k = 0; k < SubpelTaps; ++k)
+                    int sum = 0;
+                    for (int k = 0; k < SubpelTaps; ++k)
                     {
                         sum += srcX[k] * xFilter[k];
                     }
@@ -140,6 +139,7 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
                     dst[x] = BitUtils.ClipPixel(BitUtils.RoundPowerOfTwo(sum, FilterBits));
                     xQ4 += xStepQ4;
                 }
+
                 src += srcStride;
                 dst += dstStride;
             }
@@ -156,25 +156,26 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
             int w,
             int h)
         {
-            int x, y;
-            src -= SubpelTaps / 2 - 1;
+            src -= (SubpelTaps / 2) - 1;
 
-            for (y = 0; y < h; ++y)
+            for (int y = 0; y < h; ++y)
             {
                 int xQ4 = x0Q4;
-                for (x = 0; x < w; ++x)
+                for (int x = 0; x < w; ++x)
                 {
                     byte* srcX = &src[xQ4 >> SubpelBits];
                     ref Array8<short> xFilter = ref xFilters[xQ4 & SubpelMask];
-                    int k, sum = 0;
-                    for (k = 0; k < SubpelTaps; ++k)
+                    int sum = 0;
+                    for (int k = 0; k < SubpelTaps; ++k)
                     {
                         sum += srcX[k] * xFilter[k];
                     }
 
-                    dst[x] = (byte)BitUtils.RoundPowerOfTwo(dst[x] + BitUtils.ClipPixel(BitUtils.RoundPowerOfTwo(sum, FilterBits)), 1);
+                    dst[x] = (byte)BitUtils.RoundPowerOfTwo(
+                        dst[x] + BitUtils.ClipPixel(BitUtils.RoundPowerOfTwo(sum, FilterBits)), 1);
                     xQ4 += xStepQ4;
                 }
+
                 src += srcStride;
                 dst += dstStride;
             }
@@ -203,18 +204,17 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
                 srcStride * 6,
                 srcStride * 7);
 
-            ulong x, y;
-            src -= srcStride * (SubpelTaps / 2 - 1);
+            src -= srcStride * ((SubpelTaps / 2) - 1);
 
             fixed (Array8<short>* yFilter = yFilters)
             {
-                Vector128<short> vfilter = Sse2.LoadVector128((short*)yFilter + (uint)(y0Q4 & SubpelMask) * 8);
+                Vector128<short> vfilter = Sse2.LoadVector128((short*)yFilter + ((uint)(y0Q4 & SubpelMask) * 8));
 
                 ulong srcBaseY = (uint)y0Q4 >> SubpelBits;
-                for (y = 0; y < (uint)h; ++y)
+                for (ulong y = 0; y < (uint)h; ++y)
                 {
                     ulong srcOffset = (srcBaseY + y) * (uint)srcStride;
-                    for (x = 0; x < (uint)w; x += 4)
+                    for (ulong x = 0; x < (uint)w; x += 4)
                     {
                         Vector256<int> vsrc = Avx2.GatherVector256((uint*)&src[srcOffset + x], indices, 1).AsInt32();
 
@@ -240,8 +240,10 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
 
                         Vector128<int> sum0123 = MultiplyAddAdjacent(vsrc0, vsrc1, vsrc2, vsrc3, vfilter, zero);
 
-                        Sse.StoreScalar((float*)&dst[x], PackUnsignedSaturate(RoundShift(sum0123, const64), zero).AsSingle());
+                        Sse.StoreScalar((float*)&dst[x],
+                            PackUnsignedSaturate(RoundShift(sum0123, const64), zero).AsSingle());
                     }
+
                     dst += dstStride;
                 }
             }
@@ -262,22 +264,20 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
             if (Avx2.IsSupported && UseIntrinsics && yStepQ4 == 1 << SubpelBits)
             {
                 ConvolveVertAvx2(src, srcStride, dst, dstStride, yFilters, y0Q4, w, h);
-
                 return;
             }
 
-            int x, y;
-            src -= srcStride * (SubpelTaps / 2 - 1);
+            src -= srcStride * ((SubpelTaps / 2) - 1);
 
-            for (x = 0; x < w; ++x)
+            for (int x = 0; x < w; ++x)
             {
                 int yQ4 = y0Q4;
-                for (y = 0; y < h; ++y)
+                for (int y = 0; y < h; ++y)
                 {
                     byte* srcY = &src[(yQ4 >> SubpelBits) * srcStride];
                     ref Array8<short> yFilter = ref yFilters[yQ4 & SubpelMask];
-                    int k, sum = 0;
-                    for (k = 0; k < SubpelTaps; ++k)
+                    int sum = 0;
+                    for (int k = 0; k < SubpelTaps; ++k)
                     {
                         sum += srcY[k * srcStride] * yFilter[k];
                     }
@@ -285,6 +285,7 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
                     dst[y * dstStride] = BitUtils.ClipPixel(BitUtils.RoundPowerOfTwo(sum, FilterBits));
                     yQ4 += yStepQ4;
                 }
+
                 ++src;
                 ++dst;
             }
@@ -301,18 +302,17 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
             int w,
             int h)
         {
-            int x, y;
-            src -= srcStride * (SubpelTaps / 2 - 1);
+            src -= srcStride * ((SubpelTaps / 2) - 1);
 
-            for (x = 0; x < w; ++x)
+            for (int x = 0; x < w; ++x)
             {
                 int yQ4 = y0Q4;
-                for (y = 0; y < h; ++y)
+                for (int y = 0; y < h; ++y)
                 {
                     byte* srcY = &src[(yQ4 >> SubpelBits) * srcStride];
                     ref Array8<short> yFilter = ref yFilters[yQ4 & SubpelMask];
-                    int k, sum = 0;
-                    for (k = 0; k < SubpelTaps; ++k)
+                    int sum = 0;
+                    for (int k = 0; k < SubpelTaps; ++k)
                     {
                         sum += srcY[k * srcStride] * yFilter[k];
                     }
@@ -321,6 +321,7 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
                         dst[y * dstStride] + BitUtils.ClipPixel(BitUtils.RoundPowerOfTwo(sum, FilterBits)), 1);
                     yQ4 += yStepQ4;
                 }
+
                 ++src;
                 ++dst;
             }
@@ -420,15 +421,16 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
             // ==> yStepQ4 = 64. Since w and h are at most 16, the temp buffer is still
             // big enough.
             byte* temp = stackalloc byte[64 * 135];
-            int intermediateHeight = (((h - 1) * yStepQ4 + y0Q4) >> SubpelBits) + SubpelTaps;
+            int intermediateHeight = ((((h - 1) * yStepQ4) + y0Q4) >> SubpelBits) + SubpelTaps;
 
             Debug.Assert(w <= 64);
             Debug.Assert(h <= 64);
             Debug.Assert(yStepQ4 <= 32 || (yStepQ4 <= 64 && h <= 32));
             Debug.Assert(xStepQ4 <= 64);
 
-            ConvolveHoriz(src - srcStride * (SubpelTaps / 2 - 1), srcStride, temp, 64, filter, x0Q4, xStepQ4, w, intermediateHeight);
-            ConvolveVert(temp + 64 * (SubpelTaps / 2 - 1), 64, dst, dstStride, filter, y0Q4, yStepQ4, w, h);
+            ConvolveHoriz(src - (srcStride * ((SubpelTaps / 2) - 1)), srcStride, temp, 64, filter, x0Q4, xStepQ4, w,
+                intermediateHeight);
+            ConvolveVert(temp + (64 * ((SubpelTaps / 2) - 1)), 64, dst, dstStride, filter, y0Q4, yStepQ4, w, h);
         }
 
         public static unsafe void Convolve8Avg(
@@ -489,11 +491,9 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
             int w,
             int h)
         {
-            int x, y;
-
-            for (y = 0; y < h; ++y)
+            for (int y = 0; y < h; ++y)
             {
-                for (x = 0; x < w; ++x)
+                for (int x = 0; x < w; ++x)
                 {
                     dst[x] = (byte)BitUtils.RoundPowerOfTwo(dst[x] + src[x], 1);
                 }
@@ -611,18 +611,17 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
             int h,
             int bd)
         {
-            int x, y;
-            src -= SubpelTaps / 2 - 1;
+            src -= (SubpelTaps / 2) - 1;
 
-            for (y = 0; y < h; ++y)
+            for (int y = 0; y < h; ++y)
             {
                 int xQ4 = x0Q4;
-                for (x = 0; x < w; ++x)
+                for (int x = 0; x < w; ++x)
                 {
                     ushort* srcX = &src[xQ4 >> SubpelBits];
                     ref Array8<short> xFilter = ref xFilters[xQ4 & SubpelMask];
-                    int k, sum = 0;
-                    for (k = 0; k < SubpelTaps; ++k)
+                    int sum = 0;
+                    for (int k = 0; k < SubpelTaps; ++k)
                     {
                         sum += srcX[k] * xFilter[k];
                     }
@@ -630,6 +629,7 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
                     dst[x] = BitUtils.ClipPixelHighbd(BitUtils.RoundPowerOfTwo(sum, FilterBits), bd);
                     xQ4 += xStepQ4;
                 }
+
                 src += srcStride;
                 dst += dstStride;
             }
@@ -647,25 +647,26 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
             int h,
             int bd)
         {
-            int x, y;
-            src -= SubpelTaps / 2 - 1;
+            src -= (SubpelTaps / 2) - 1;
 
-            for (y = 0; y < h; ++y)
+            for (int y = 0; y < h; ++y)
             {
                 int xQ4 = x0Q4;
-                for (x = 0; x < w; ++x)
+                for (int x = 0; x < w; ++x)
                 {
                     ushort* srcX = &src[xQ4 >> SubpelBits];
                     ref Array8<short> xFilter = ref xFilters[xQ4 & SubpelMask];
-                    int k, sum = 0;
-                    for (k = 0; k < SubpelTaps; ++k)
+                    int sum = 0;
+                    for (int k = 0; k < SubpelTaps; ++k)
                     {
                         sum += srcX[k] * xFilter[k];
                     }
 
-                    dst[x] = (ushort)BitUtils.RoundPowerOfTwo(dst[x] + BitUtils.ClipPixelHighbd(BitUtils.RoundPowerOfTwo(sum, FilterBits), bd), 1);
+                    dst[x] = (ushort)BitUtils.RoundPowerOfTwo(
+                        dst[x] + BitUtils.ClipPixelHighbd(BitUtils.RoundPowerOfTwo(sum, FilterBits), bd), 1);
                     xQ4 += xStepQ4;
                 }
+
                 src += srcStride;
                 dst += dstStride;
             }
@@ -683,18 +684,17 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
             int h,
             int bd)
         {
-            int x, y;
-            src -= srcStride * (SubpelTaps / 2 - 1);
+            src -= srcStride * ((SubpelTaps / 2) - 1);
 
-            for (x = 0; x < w; ++x)
+            for (int x = 0; x < w; ++x)
             {
                 int yQ4 = y0Q4;
-                for (y = 0; y < h; ++y)
+                for (int y = 0; y < h; ++y)
                 {
                     ushort* srcY = &src[(yQ4 >> SubpelBits) * srcStride];
                     ref Array8<short> yFilter = ref yFilters[yQ4 & SubpelMask];
-                    int k, sum = 0;
-                    for (k = 0; k < SubpelTaps; ++k)
+                    int sum = 0;
+                    for (int k = 0; k < SubpelTaps; ++k)
                     {
                         sum += srcY[k * srcStride] * yFilter[k];
                     }
@@ -702,6 +702,7 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
                     dst[y * dstStride] = BitUtils.ClipPixelHighbd(BitUtils.RoundPowerOfTwo(sum, FilterBits), bd);
                     yQ4 += yStepQ4;
                 }
+
                 ++src;
                 ++dst;
             }
@@ -719,26 +720,27 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
             int h,
             int bd)
         {
-            int x, y;
-            src -= srcStride * (SubpelTaps / 2 - 1);
+            src -= srcStride * ((SubpelTaps / 2) - 1);
 
-            for (x = 0; x < w; ++x)
+            for (int x = 0; x < w; ++x)
             {
                 int yQ4 = y0Q4;
-                for (y = 0; y < h; ++y)
+                for (int y = 0; y < h; ++y)
                 {
                     ushort* srcY = &src[(yQ4 >> SubpelBits) * srcStride];
                     ref Array8<short> yFilter = ref yFilters[yQ4 & SubpelMask];
-                    int k, sum = 0;
-                    for (k = 0; k < SubpelTaps; ++k)
+                    int sum = 0;
+                    for (int k = 0; k < SubpelTaps; ++k)
                     {
                         sum += srcY[k * srcStride] * yFilter[k];
                     }
 
                     dst[y * dstStride] = (ushort)BitUtils.RoundPowerOfTwo(
-                        dst[y * dstStride] + BitUtils.ClipPixelHighbd(BitUtils.RoundPowerOfTwo(sum, FilterBits), bd), 1);
+                        dst[y * dstStride] + BitUtils.ClipPixelHighbd(BitUtils.RoundPowerOfTwo(sum, FilterBits), bd),
+                        1);
                     yQ4 += yStepQ4;
                 }
+
                 ++src;
                 ++dst;
             }
@@ -771,15 +773,17 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
             // --Require an additional SubpelTaps rows for the 8-tap filter tails.
             // --((64 - 1) * 32 + 15) >> 4 + 8 = 135.
             ushort* temp = stackalloc ushort[64 * 135];
-            int intermediateHeight = (((h - 1) * yStepQ4 + y0Q4) >> SubpelBits) + SubpelTaps;
+            int intermediateHeight = ((((h - 1) * yStepQ4) + y0Q4) >> SubpelBits) + SubpelTaps;
 
             Debug.Assert(w <= 64);
             Debug.Assert(h <= 64);
             Debug.Assert(yStepQ4 <= 32);
             Debug.Assert(xStepQ4 <= 32);
 
-            HighbdConvolveHoriz(src - srcStride * (SubpelTaps / 2 - 1), srcStride, temp, 64, filter, x0Q4, xStepQ4, w, intermediateHeight, bd);
-            HighbdConvolveVert(temp + 64 * (SubpelTaps / 2 - 1), 64, dst, dstStride, filter, y0Q4, yStepQ4, w, h, bd);
+            HighbdConvolveHoriz(src - (srcStride * ((SubpelTaps / 2) - 1)), srcStride, temp, 64, filter, x0Q4, xStepQ4,
+                w, intermediateHeight, bd);
+            HighbdConvolveVert(temp + (64 * ((SubpelTaps / 2) - 1)), 64, dst, dstStride, filter, y0Q4, yStepQ4, w, h,
+                bd);
         }
 
         public static unsafe void HighbdConvolve8Horiz(
@@ -928,11 +932,9 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
             int h,
             int bd)
         {
-            int x, y;
-
-            for (y = 0; y < h; ++y)
+            for (int y = 0; y < h; ++y)
             {
-                for (x = 0; x < w; ++x)
+                for (int x = 0; x < w; ++x)
                 {
                     dst[x] = (ushort)BitUtils.RoundPowerOfTwo(dst[x] + src[x], 1);
                 }
@@ -942,4 +944,4 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
             }
         }
     }
-}
+}

src/Ryujinx.Graphics.Nvdec.Vp9/Dsp/Filter.cs

@@ -9,4 +9,4 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
         public const int SubpelShifts = 1 << SubpelBits;
         public const int SubpelTaps = 8;
     }
-}
+}

src/Ryujinx.Graphics.Nvdec.Vp9/Dsp/LoopFilterAuto.cs

@@ -0,0 +1,229 @@
+using Ryujinx.Common.Memory;
+using System;
+using System.Runtime.Intrinsics.X86;
+
+namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
+{
+    internal class LoopFilterAuto
+    {
+        public static void LpfHorizontal4(
+            ArrayPtr<byte> s,
+            int pitch,
+            ReadOnlySpan<byte> blimit,
+            ReadOnlySpan<byte> limit,
+            ReadOnlySpan<byte> thresh)
+        {
+            if (Sse2.IsSupported)
+            {
+                LoopFilterSse2.LpfHorizontal4(s, pitch, blimit, limit, thresh);
+            }
+            else
+            {
+                LoopFilterScalar.LpfHorizontal4(s, pitch, blimit[0], limit[0], thresh[0]);
+            }
+        }
+
+        public static void LpfHorizontal4Dual(
+            ArrayPtr<byte> s,
+            int pitch,
+            ReadOnlySpan<byte> blimit0,
+            ReadOnlySpan<byte> limit0,
+            ReadOnlySpan<byte> thresh0,
+            ReadOnlySpan<byte> blimit1,
+            ReadOnlySpan<byte> limit1,
+            ReadOnlySpan<byte> thresh1)
+        {
+            if (Sse2.IsSupported)
+            {
+                LoopFilterSse2.LpfHorizontal4Dual(s, pitch, blimit0, limit0, thresh0, blimit1, limit1, thresh1);
+            }
+            else
+            {
+                LoopFilterScalar.LpfHorizontal4Dual(s, pitch, blimit0[0], limit0[0], thresh0[0], blimit1[0], limit1[0],
+                    thresh1[0]);
+            }
+        }
+
+        public static void LpfHorizontal8(
+            ArrayPtr<byte> s,
+            int pitch,
+            ReadOnlySpan<byte> blimit,
+            ReadOnlySpan<byte> limit,
+            ReadOnlySpan<byte> thresh)
+        {
+            if (Sse2.IsSupported)
+            {
+                LoopFilterSse2.LpfHorizontal8(s, pitch, blimit, limit, thresh);
+            }
+            else
+            {
+                LoopFilterScalar.LpfHorizontal8(s, pitch, blimit[0], limit[0], thresh[0]);
+            }
+        }
+
+        public static void LpfHorizontal8Dual(
+            ArrayPtr<byte> s,
+            int pitch,
+            ReadOnlySpan<byte> blimit0,
+            ReadOnlySpan<byte> limit0,
+            ReadOnlySpan<byte> thresh0,
+            ReadOnlySpan<byte> blimit1,
+            ReadOnlySpan<byte> limit1,
+            ReadOnlySpan<byte> thresh1)
+        {
+            if (Sse2.IsSupported)
+            {
+                LoopFilterSse2.LpfHorizontal8Dual(s, pitch, blimit0, limit0, thresh0, blimit1, limit1, thresh1);
+            }
+            else
+            {
+                LoopFilterScalar.LpfHorizontal8Dual(s, pitch, blimit0[0], limit0[0], thresh0[0], blimit1[0], limit1[0],
+                    thresh1[0]);
+            }
+        }
+
+        public static void LpfHorizontal16(
+            ArrayPtr<byte> s,
+            int pitch,
+            ReadOnlySpan<byte> blimit,
+            ReadOnlySpan<byte> limit,
+            ReadOnlySpan<byte> thresh)
+        {
+            if (Sse2.IsSupported)
+            {
+                LoopFilterSse2.LpfHorizontal16(s, pitch, blimit, limit, thresh);
+            }
+            else
+            {
+                LoopFilterScalar.LpfHorizontal16(s, pitch, blimit[0], limit[0], thresh[0]);
+            }
+        }
+
+        public static void LpfHorizontal16Dual(
+            ArrayPtr<byte> s,
+            int pitch,
+            ReadOnlySpan<byte> blimit,
+            ReadOnlySpan<byte> limit,
+            ReadOnlySpan<byte> thresh)
+        {
+            if (Sse2.IsSupported)
+            {
+                LoopFilterSse2.LpfHorizontal16Dual(s, pitch, blimit, limit, thresh);
+            }
+            else
+            {
+                LoopFilterScalar.LpfHorizontal16Dual(s, pitch, blimit[0], limit[0], thresh[0]);
+            }
+        }
+
+        public static void LpfVertical4(
+            ArrayPtr<byte> s,
+            int pitch,
+            ReadOnlySpan<byte> blimit,
+            ReadOnlySpan<byte> limit,
+            ReadOnlySpan<byte> thresh)
+        {
+            if (Sse2.IsSupported)
+            {
+                LoopFilterSse2.LpfVertical4(s, pitch, blimit, limit, thresh);
+            }
+            else
+            {
+                LoopFilterScalar.LpfVertical4(s, pitch, blimit[0], limit[0], thresh[0]);
+            }
+        }
+
+        public static void LpfVertical4Dual(
+            ArrayPtr<byte> s,
+            int pitch,
+            ReadOnlySpan<byte> blimit0,
+            ReadOnlySpan<byte> limit0,
+            ReadOnlySpan<byte> thresh0,
+            ReadOnlySpan<byte> blimit1,
+            ReadOnlySpan<byte> limit1,
+            ReadOnlySpan<byte> thresh1)
+        {
+            if (Sse2.IsSupported)
+            {
+                LoopFilterSse2.LpfVertical4Dual(s, pitch, blimit0, limit0, thresh0, blimit1, limit1, thresh1);
+            }
+            else
+            {
+                LoopFilterScalar.LpfVertical4Dual(s, pitch, blimit0[0], limit0[0], thresh0[0], blimit1[0], limit1[0],
+                    thresh1[0]);
+            }
+        }
+
+        public static void LpfVertical8(
+            ArrayPtr<byte> s,
+            int pitch,
+            ReadOnlySpan<byte> blimit,
+            ReadOnlySpan<byte> limit,
+            ReadOnlySpan<byte> thresh)
+        {
+            if (Sse2.IsSupported)
+            {
+                LoopFilterSse2.LpfVertical8(s, pitch, blimit, limit, thresh);
+            }
+            else
+            {
+                LoopFilterScalar.LpfVertical8(s, pitch, blimit[0], limit[0], thresh[0]);
+            }
+        }
+
+        public static void LpfVertical8Dual(
+            ArrayPtr<byte> s,
+            int pitch,
+            ReadOnlySpan<byte> blimit0,
+            ReadOnlySpan<byte> limit0,
+            ReadOnlySpan<byte> thresh0,
+            ReadOnlySpan<byte> blimit1,
+            ReadOnlySpan<byte> limit1,
+            ReadOnlySpan<byte> thresh1)
+        {
+            if (Sse2.IsSupported)
+            {
+                LoopFilterSse2.LpfVertical8Dual(s, pitch, blimit0, limit0, thresh0, blimit1, limit1, thresh1);
+            }
+            else
+            {
+                LoopFilterScalar.LpfVertical8Dual(s, pitch, blimit0[0], limit0[0], thresh0[0], blimit1[0], limit1[0],
+                    thresh1[0]);
+            }
+        }
+
+        public static void LpfVertical16(
+            ArrayPtr<byte> s,
+            int pitch,
+            ReadOnlySpan<byte> blimit,
+            ReadOnlySpan<byte> limit,
+            ReadOnlySpan<byte> thresh)
+        {
+            if (Sse2.IsSupported)
+            {
+                LoopFilterSse2.LpfVertical16(s, pitch, blimit, limit, thresh);
+            }
+            else
+            {
+                LoopFilterScalar.LpfVertical16(s, pitch, blimit[0], limit[0], thresh[0]);
+            }
+        }
+
+        public static void LpfVertical16Dual(
+            ArrayPtr<byte> s,
+            int pitch,
+            ReadOnlySpan<byte> blimit,
+            ReadOnlySpan<byte> limit,
+            ReadOnlySpan<byte> thresh)
+        {
+            if (Sse2.IsSupported)
+            {
+                LoopFilterSse2.LpfVertical16Dual(s, pitch, blimit, limit, thresh);
+            }
+            else
+            {
+                LoopFilterScalar.LpfVertical16Dual(s, pitch, blimit[0], limit[0], thresh[0]);
+            }
+        }
+    }
+}

src/Ryujinx.Graphics.Nvdec.Vp9/Dsp/Prob.cs

@@ -1,4 +1,4 @@
-using Ryujinx.Graphics.Nvdec.Vp9.Common;
+using Ryujinx.Graphics.Nvdec.Vp9.Common;
 using System;
 using System.Diagnostics;
 
@@ -12,10 +12,9 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
         {
             Debug.Assert(den != 0);
             {
-                int p = (int)(((ulong)num * 256 + (den >> 1)) / den);
+                int p = (int)((((ulong)num * 256) + (den >> 1)) / den);
                 // (p > 255) ? 255 : (p < 1) ? 1 : p;
                 int clippedProb = p | ((255 - p) >> 23) | (p == 0 ? 1 : 0);
-
                 return (byte)clippedProb;
             }
         }
@@ -23,14 +22,14 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
         /* This function assumes prob1 and prob2 are already within [1,255] range. */
         public static byte WeightedProb(int prob1, int prob2, int factor)
         {
-            return (byte)BitUtils.RoundPowerOfTwo(prob1 * (256 - factor) + prob2 * factor, 8);
+            return (byte)BitUtils.RoundPowerOfTwo((prob1 * (256 - factor)) + (prob2 * factor), 8);
         }
 
         // MODE_MV_MAX_UPDATE_FACTOR (128) * count / MODE_MV_COUNT_SAT;
-        private static readonly uint[] _countToUpdateFactor = {
-            0,  6,  12, 19, 25, 32,  38,  44,  51,  57, 64,
-            70, 76, 83, 89, 96, 102, 108, 115, 121, 128,
-        };
+        private static readonly uint[] _countToUpdateFactor =
+        [
+            0, 6, 12, 19, 25, 32, 38, 44, 51, 57, 64, 70, 76, 83, 89, 96, 102, 108, 115, 121, 128
+        ];
 
         private const int ModeMvCountSat = 20;
 
@@ -41,14 +40,11 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
             {
                 return preProb;
             }
-            else
-            {
-                uint count = Math.Min(den, ModeMvCountSat);
-                uint factor = _countToUpdateFactor[(int)count];
-                byte prob = GetProb(ct0, den);
 
-                return WeightedProb(preProb, prob, (int)factor);
-            }
+            uint count = Math.Min(den, ModeMvCountSat);
+            uint factor = _countToUpdateFactor[(int)count];
+            byte prob = GetProb(ct0, den);
+            return WeightedProb(preProb, prob, (int)factor);
         }
 
         private static uint TreeMergeProbsImpl(
@@ -59,17 +55,17 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
             Span<byte> probs)
         {
             int l = tree[i];
-            uint leftCount = (l <= 0) ? counts[-l] : TreeMergeProbsImpl((uint)l, tree, preProbs, counts, probs);
+            uint leftCount = l <= 0 ? counts[-l] : TreeMergeProbsImpl((uint)l, tree, preProbs, counts, probs);
             int r = tree[i + 1];
-            uint rightCount = (r <= 0) ? counts[-r] : TreeMergeProbsImpl((uint)r, tree, preProbs, counts, probs);
+            uint rightCount = r <= 0 ? counts[-r] : TreeMergeProbsImpl((uint)r, tree, preProbs, counts, probs);
             probs[(int)(i >> 1)] = ModeMvMergeProbs(preProbs[(int)(i >> 1)], leftCount, rightCount);
-
             return leftCount + rightCount;
         }
 
-        public static void TreeMergeProbs(sbyte[] tree, ReadOnlySpan<byte> preProbs, ReadOnlySpan<uint> counts, Span<byte> probs)
+        public static void TreeMergeProbs(sbyte[] tree, ReadOnlySpan<byte> preProbs, ReadOnlySpan<uint> counts,
+            Span<byte> probs)
         {
             TreeMergeProbsImpl(0, tree, preProbs, counts, probs);
         }
     }
-}
+}

src/Ryujinx.Graphics.Nvdec.Vp9/Dsp/Reader.cs

@@ -1,4 +1,5 @@
-using Ryujinx.Common.Memory;
+using Ryujinx.Common.Memory;
+using Ryujinx.Graphics.Nvdec.Vp9.Types;
 using System;
 using System.Buffers.Binary;
 
@@ -6,18 +7,18 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
 {
     internal struct Reader
     {
-        private static readonly byte[] _norm = {
-            0, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
-            3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
-            2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0,
-            0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-            0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-            0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-            0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-            0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-        };
+        private static readonly byte[] _norm =
+        [
+            0, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2,
+            2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1,
+            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+            0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+            0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+            0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+            0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+        ];
+
         private const int BdValueSize = sizeof(ulong) * 8;
 
         // This is meant to be a large, positive constant that can still be efficiently
@@ -36,16 +37,13 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
             {
                 return true;
             }
-            else
-            {
-                _buffer = new ArrayPtr<byte>(ref buffer[0], size);
-                Value = 0;
-                Count = -8;
-                Range = 255;
-                Fill();
 
-                return ReadBit() != 0; // Marker bit
-            }
+            _buffer = new ArrayPtr<byte>(ref buffer[0], size);
+            Value = 0;
+            Count = -8;
+            Range = 255;
+            Fill();
+            return ReadBit() != 0; // Marker bit
         }
 
         private void Fill()
@@ -65,7 +63,7 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
                 ulong bigEndianValues = BinaryPrimitives.ReadUInt64BigEndian(buffer);
                 nv = bigEndianValues >> (BdValueSize - bits);
                 count += bits;
-                buffer = buffer[(bits >> 3)..];
+                buffer = buffer.Slice(bits >> 3);
                 value = Value | (nv << (shift & 0x7));
             }
             else
@@ -84,7 +82,7 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
                     {
                         count += 8;
                         value |= (ulong)buffer[0] << shift;
-                        buffer = buffer[1..];
+                        buffer = buffer.Slice(1);
                         shift -= 8;
                     }
                 }
@@ -98,7 +96,7 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
             Count = count;
         }
 
-        public readonly bool HasError()
+        public bool HasError()
         {
             // Check if we have reached the end of the buffer.
             //
@@ -124,7 +122,7 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
             ulong bigsplit;
             int count;
             uint range;
-            uint split = (Range * (uint)prob + (256 - (uint)prob)) >> 8;
+            uint split = ((Range * (uint)prob) + (256 - (uint)prob)) >> 8;
 
             if (Count < 0)
             {
@@ -188,7 +186,7 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
 
         public int ReadBool(int prob, ref ulong value, ref int count, ref uint range)
         {
-            uint split = (range * (uint)prob + (256 - (uint)prob)) >> 8;
+            uint split = ((range * (uint)prob) + (256 - (uint)prob)) >> 8;
             ulong bigsplit = (ulong)split << (BdValueSize - 8);
 
             if (count < 0)
@@ -202,8 +200,8 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
 
             if (value >= bigsplit)
             {
-                range -= split;
-                value -= bigsplit;
+                range = range - split;
+                value = value - bigsplit;
                 {
                     int shift = _norm[range];
                     range <<= shift;
@@ -212,6 +210,7 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
                 }
                 return 1;
             }
+
             range = split;
             {
                 int shift = _norm[range];
@@ -230,7 +229,82 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
                 Count -= 8;
                 _buffer = _buffer.Slice(-1);
             }
+
             return _buffer;
         }
+
+        private int DecodeUniform()
+        {
+            const int L = 8;
+            const int M = (1 << L) - 191;
+            int v = ReadLiteral(L - 1);
+            return v < M ? v : (v << 1) - M + ReadBit();
+        }
+
+        public int DecodeTermSubexp()
+        {
+            if (ReadBit() == 0)
+            {
+                return ReadLiteral(4);
+            }
+
+            if (ReadBit() == 0)
+            {
+                return ReadLiteral(4) + 16;
+            }
+
+            if (ReadBit() == 0)
+            {
+                return ReadLiteral(5) + 32;
+            }
+
+            return DecodeUniform() + 64;
+        }
+
+        public TxMode ReadTxMode()
+        {
+            TxMode txMode = (TxMode)ReadLiteral(2);
+            if (txMode == TxMode.Allow32X32)
+            {
+                txMode += ReadBit();
+            }
+
+            return txMode;
+        }
+
+        public int ReadCoeff(
+            ReadOnlySpan<byte> probs,
+            int n,
+            ref ulong value,
+            ref int count,
+            ref uint range)
+        {
+            int val = 0;
+            for (int i = 0; i < n; ++i)
+            {
+                val = (val << 1) | ReadBool(probs[i], ref value, ref count, ref range);
+            }
+
+            return val;
+        }
+
+        public void DiffUpdateProb(ref byte p)
+        {
+            if (Read(Entropy.DiffUpdateProb) != 0)
+            {
+                p = (byte)DSubExp.InvRemapProb(DecodeTermSubexp(), p);
+            }
+        }
+
+        public void UpdateMvProbs(Span<byte> p, int n)
+        {
+            for (int i = 0; i < n; ++i)
+            {
+                if (Read(EntropyMv.UpdateProb) != 0)
+                {
+                    p[i] = (byte)((ReadLiteral(7) << 1) | 1);
+                }
+            }
+        }
     }
-}
+}

src/Ryujinx.Graphics.Nvdec.Vp9/Dsp/TxfmCommon.cs

@@ -13,42 +13,42 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
         //  for (int i = 1; i < 32; ++i)
         //    Console.WriteLine("public const short CosPi{0}_64 = {1};", i, MathF.Round(16384 * MathF.Cos(i * MathF.PI / 64)));
         // Note: sin(k * Pi / 64) = cos((32 - k) * Pi / 64)
-        public const short CosPi1_64 = 16364;
-        public const short CosPi2_64 = 16305;
-        public const short CosPi3_64 = 16207;
-        public const short CosPi4_64 = 16069;
-        public const short CosPi5_64 = 15893;
-        public const short CosPi6_64 = 15679;
-        public const short CosPi7_64 = 15426;
-        public const short CosPi8_64 = 15137;
-        public const short CosPi9_64 = 14811;
-        public const short CosPi10_64 = 14449;
-        public const short CosPi11_64 = 14053;
-        public const short CosPi12_64 = 13623;
-        public const short CosPi13_64 = 13160;
-        public const short CosPi14_64 = 12665;
-        public const short CosPi15_64 = 12140;
-        public const short CosPi16_64 = 11585;
-        public const short CosPi17_64 = 11003;
-        public const short CosPi18_64 = 10394;
-        public const short CosPi19_64 = 9760;
-        public const short CosPi20_64 = 9102;
-        public const short CosPi21_64 = 8423;
-        public const short CosPi22_64 = 7723;
-        public const short CosPi23_64 = 7005;
-        public const short CosPi24_64 = 6270;
-        public const short CosPi25_64 = 5520;
-        public const short CosPi26_64 = 4756;
-        public const short CosPi27_64 = 3981;
-        public const short CosPi28_64 = 3196;
-        public const short CosPi29_64 = 2404;
-        public const short CosPi30_64 = 1606;
-        public const short CosPi31_64 = 804;
+        public const short CosPi164 = 16364;
+        public const short CosPi264 = 16305;
+        public const short CosPi364 = 16207;
+        public const short CosPi464 = 16069;
+        public const short CosPi564 = 15893;
+        public const short CosPi664 = 15679;
+        public const short CosPi764 = 15426;
+        public const short CosPi864 = 15137;
+        public const short CosPi964 = 14811;
+        public const short CosPi1064 = 14449;
+        public const short CosPi1164 = 14053;
+        public const short CosPi1264 = 13623;
+        public const short CosPi1364 = 13160;
+        public const short CosPi1464 = 12665;
+        public const short CosPi1564 = 12140;
+        public const short CosPi1664 = 11585;
+        public const short CosPi1764 = 11003;
+        public const short CosPi1864 = 10394;
+        public const short CosPi1964 = 9760;
+        public const short CosPi2064 = 9102;
+        public const short CosPi2164 = 8423;
+        public const short CosPi2264 = 7723;
+        public const short CosPi2364 = 7005;
+        public const short CosPi2464 = 6270;
+        public const short CosPi2564 = 5520;
+        public const short CosPi2664 = 4756;
+        public const short CosPi2764 = 3981;
+        public const short CosPi2864 = 3196;
+        public const short CosPi2964 = 2404;
+        public const short CosPi3064 = 1606;
+        public const short CosPi3164 = 804;
 
         //  16384 * sqrt(2) * sin(kPi / 9) * 2 / 3
-        public const short SinPi1_9 = 5283;
-        public const short SinPi2_9 = 9929;
-        public const short SinPi3_9 = 13377;
-        public const short SinPi4_9 = 15212;
+        public const short SinPi19 = 5283;
+        public const short SinPi29 = 9929;
+        public const short SinPi39 = 13377;
+        public const short SinPi49 = 15212;
     }
-}
+}

src/Ryujinx.Graphics.Nvdec.Vp9/Entropy.cs

@@ -0,0 +1,623 @@
+using Ryujinx.Graphics.Nvdec.Vp9.Types;
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+namespace Ryujinx.Graphics.Nvdec.Vp9
+{
+    internal static class Entropy
+    {
+        public const int DiffUpdateProb = 252;
+
+        // Coefficient token alphabet
+        public const int ZeroToken = 0; // 0     Extra Bits 0+0
+        public const int OneToken = 1; // 1     Extra Bits 0+1
+        public const int TwoToken = 2; // 2     Extra Bits 0+1
+        public const int ThreeToken = 3; // 3     Extra Bits 0+1
+        public const int FourToken = 4; // 4     Extra Bits 0+1
+        public const int Category1Token = 5; // 5-6   Extra Bits 1+1
+        public const int Category2Token = 6; // 7-10  Extra Bits 2+1
+        public const int Category3Token = 7; // 11-18 Extra Bits 3+1
+        public const int Category4Token = 8; // 19-34 Extra Bits 4+1
+        public const int Category5Token = 9; // 35-66 Extra Bits 5+1
+        public const int Category6Token = 10; // 67+   Extra Bits 14+1
+        public const int EobToken = 11; // EOB   Extra Bits 0+0
+
+        public const int EntropyTokens = 12;
+
+        public const int RefTypes = 2; // intra=0, inter=1
+
+        /* Middle dimension reflects the coefficient position within the transform. */
+        public const int CoefBands = 6;
+
+        /* Inside dimension is measure of nearby complexity, that reflects the energy
+           of nearby coefficients are nonzero.  For the first coefficient (DC, unless
+           block type is 0), we look at the (already encoded) blocks above and to the
+           left of the current block.  The context index is then the number (0,1,or 2)
+           of these blocks having nonzero coefficients.
+           After decoding a coefficient, the measure is determined by the size of the
+           most recently decoded coefficient.
+           Note that the intuitive meaning of this measure changes as coefficients
+           are decoded, e.g., prior to the first token, a zero means that my neighbors
+           are empty while, after the first token, because of the use of end-of-block,
+           a zero means we just decoded a zero and hence guarantees that a non-zero
+           coefficient will appear later in this block.  However, this shift
+           in meaning is perfectly OK because our context depends also on the
+           coefficient band (and since zigzag positions 0, 1, and 2 are in
+           distinct bands). */
+
+        public const int CoeffContexts = 6;
+
+        public static int BAND_COEFF_CONTEXTS(int band)
+        {
+            return band == 0 ? 3 : CoeffContexts;
+        }
+
+        public const int UnconstrainedNodes = 3;
+
+        public const int PivotNode = 2;
+
+        public const int Cat1MinVal = 5;
+        public const int Cat2MinVal = 7;
+        public const int Cat3MinVal = 11;
+        public const int Cat4MinVal = 19;
+        public const int Cat5MinVal = 35;
+        public const int Cat6MinVal = 67;
+
+        public static readonly byte[] Cat1Prob = [159];
+        public static readonly byte[] Cat2Prob = [165, 145];
+        public static readonly byte[] Cat3Prob = [173, 148, 140];
+        public static readonly byte[] Cat4Prob = [176, 155, 140, 135];
+        public static readonly byte[] Cat5Prob = [180, 157, 141, 134, 130];
+
+        public static readonly byte[] Cat6Prob =
+        [
+            254, 254, 254, 252, 249, 243, 230, 196, 177, 153, 140, 133, 130, 129
+        ];
+
+        public static readonly byte[] Cat6ProbHigh12 =
+        [
+            255, 255, 255, 255, 254, 254, 54, 252, 249, 243, 230, 196, 177, 153, 140, 133, 130, 129
+        ];
+
+        public const int EobModelToken = 3;
+
+        private static readonly byte[] _coefbandTrans8X8Plus =
+        [
+            0, 1, 1, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5,
+            // beyond MAXBAND_INDEX+1 all values are filled as 5
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5
+        ];
+
+        private static readonly byte[] _coefbandTrans4X4 = [0, 1, 1, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 5, 5, 5];
+
+        public static readonly byte[][] Pareto8Full =
+        [
+            [3, 86, 128, 6, 86, 23, 88, 29], [6, 86, 128, 11, 87, 42, 91, 52],
+            [9, 86, 129, 17, 88, 61, 94, 76], [12, 86, 129, 22, 88, 77, 97, 93],
+            [15, 87, 129, 28, 89, 93, 100, 110], [17, 87, 129, 33, 90, 105, 103, 123],
+            [20, 88, 130, 38, 91, 118, 106, 136], [23, 88, 130, 43, 91, 128, 108, 146],
+            [26, 89, 131, 48, 92, 139, 111, 156], [28, 89, 131, 53, 93, 147, 114, 163],
+            [31, 90, 131, 58, 94, 156, 117, 171], [34, 90, 131, 62, 94, 163, 119, 177],
+            [37, 90, 132, 66, 95, 171, 122, 184], [39, 90, 132, 70, 96, 177, 124, 189],
+            [42, 91, 132, 75, 97, 183, 127, 194], [44, 91, 132, 79, 97, 188, 129, 198],
+            [47, 92, 133, 83, 98, 193, 132, 202], [49, 92, 133, 86, 99, 197, 134, 205],
+            [52, 93, 133, 90, 100, 201, 137, 208], [54, 93, 133, 94, 100, 204, 139, 211],
+            [57, 94, 134, 98, 101, 208, 142, 214], [59, 94, 134, 101, 102, 211, 144, 216],
+            [62, 94, 135, 105, 103, 214, 146, 218],
+            [64, 94, 135, 108, 103, 216, 148, 220],
+            [66, 95, 135, 111, 104, 219, 151, 222],
+            [68, 95, 135, 114, 105, 221, 153, 223],
+            [71, 96, 136, 117, 106, 224, 155, 225],
+            [73, 96, 136, 120, 106, 225, 157, 226],
+            [76, 97, 136, 123, 107, 227, 159, 228],
+            [78, 97, 136, 126, 108, 229, 160, 229],
+            [80, 98, 137, 129, 109, 231, 162, 231],
+            [82, 98, 137, 131, 109, 232, 164, 232],
+            [84, 98, 138, 134, 110, 234, 166, 233],
+            [86, 98, 138, 137, 111, 235, 168, 234],
+            [89, 99, 138, 140, 112, 236, 170, 235],
+            [91, 99, 138, 142, 112, 237, 171, 235],
+            [93, 100, 139, 145, 113, 238, 173, 236],
+            [95, 100, 139, 147, 114, 239, 174, 237],
+            [97, 101, 140, 149, 115, 240, 176, 238],
+            [99, 101, 140, 151, 115, 241, 177, 238],
+            [101, 102, 140, 154, 116, 242, 179, 239],
+            [103, 102, 140, 156, 117, 242, 180, 239],
+            [105, 103, 141, 158, 118, 243, 182, 240],
+            [107, 103, 141, 160, 118, 243, 183, 240],
+            [109, 104, 141, 162, 119, 244, 185, 241],
+            [111, 104, 141, 164, 119, 244, 186, 241],
+            [113, 104, 142, 166, 120, 245, 187, 242],
+            [114, 104, 142, 168, 121, 245, 188, 242],
+            [116, 105, 143, 170, 122, 246, 190, 243],
+            [118, 105, 143, 171, 122, 246, 191, 243],
+            [120, 106, 143, 173, 123, 247, 192, 244],
+            [121, 106, 143, 175, 124, 247, 193, 244],
+            [123, 107, 144, 177, 125, 248, 195, 244],
+            [125, 107, 144, 178, 125, 248, 196, 244],
+            [127, 108, 145, 180, 126, 249, 197, 245],
+            [128, 108, 145, 181, 127, 249, 198, 245],
+            [130, 109, 145, 183, 128, 249, 199, 245],
+            [132, 109, 145, 184, 128, 249, 200, 245],
+            [134, 110, 146, 186, 129, 250, 201, 246],
+            [135, 110, 146, 187, 130, 250, 202, 246],
+            [137, 111, 147, 189, 131, 251, 203, 246],
+            [138, 111, 147, 190, 131, 251, 204, 246],
+            [140, 112, 147, 192, 132, 251, 205, 247],
+            [141, 112, 147, 193, 132, 251, 206, 247],
+            [143, 113, 148, 194, 133, 251, 207, 247],
+            [144, 113, 148, 195, 134, 251, 207, 247],
+            [146, 114, 149, 197, 135, 252, 208, 248],
+            [147, 114, 149, 198, 135, 252, 209, 248],
+            [149, 115, 149, 199, 136, 252, 210, 248],
+            [150, 115, 149, 200, 137, 252, 210, 248],
+            [152, 115, 150, 201, 138, 252, 211, 248],
+            [153, 115, 150, 202, 138, 252, 212, 248],
+            [155, 116, 151, 204, 139, 253, 213, 249],
+            [156, 116, 151, 205, 139, 253, 213, 249],
+            [158, 117, 151, 206, 140, 253, 214, 249],
+            [159, 117, 151, 207, 141, 253, 215, 249],
+            [161, 118, 152, 208, 142, 253, 216, 249],
+            [162, 118, 152, 209, 142, 253, 216, 249],
+            [163, 119, 153, 210, 143, 253, 217, 249],
+            [164, 119, 153, 211, 143, 253, 217, 249],
+            [166, 120, 153, 212, 144, 254, 218, 250],
+            [167, 120, 153, 212, 145, 254, 219, 250],
+            [168, 121, 154, 213, 146, 254, 220, 250],
+            [169, 121, 154, 214, 146, 254, 220, 250],
+            [171, 122, 155, 215, 147, 254, 221, 250],
+            [172, 122, 155, 216, 147, 254, 221, 250],
+            [173, 123, 155, 217, 148, 254, 222, 250],
+            [174, 123, 155, 217, 149, 254, 222, 250],
+            [176, 124, 156, 218, 150, 254, 223, 250],
+            [177, 124, 156, 219, 150, 254, 223, 250],
+            [178, 125, 157, 220, 151, 254, 224, 251],
+            [179, 125, 157, 220, 151, 254, 224, 251],
+            [180, 126, 157, 221, 152, 254, 225, 251],
+            [181, 126, 157, 221, 152, 254, 225, 251],
+            [183, 127, 158, 222, 153, 254, 226, 251],
+            [184, 127, 158, 223, 154, 254, 226, 251],
+            [185, 128, 159, 224, 155, 255, 227, 251],
+            [186, 128, 159, 224, 155, 255, 227, 251],
+            [187, 129, 160, 225, 156, 255, 228, 251],
+            [188, 130, 160, 225, 156, 255, 228, 251],
+            [189, 131, 160, 226, 157, 255, 228, 251],
+            [190, 131, 160, 226, 158, 255, 228, 251],
+            [191, 132, 161, 227, 159, 255, 229, 251],
+            [192, 132, 161, 227, 159, 255, 229, 251],
+            [193, 133, 162, 228, 160, 255, 230, 252],
+            [194, 133, 162, 229, 160, 255, 230, 252],
+            [195, 134, 163, 230, 161, 255, 231, 252],
+            [196, 134, 163, 230, 161, 255, 231, 252],
+            [197, 135, 163, 231, 162, 255, 231, 252],
+            [198, 135, 163, 231, 162, 255, 231, 252],
+            [199, 136, 164, 232, 163, 255, 232, 252],
+            [200, 136, 164, 232, 164, 255, 232, 252],
+            [201, 137, 165, 233, 165, 255, 233, 252],
+            [201, 137, 165, 233, 165, 255, 233, 252],
+            [202, 138, 166, 233, 166, 255, 233, 252],
+            [203, 138, 166, 233, 166, 255, 233, 252],
+            [204, 139, 166, 234, 167, 255, 234, 252],
+            [205, 139, 166, 234, 167, 255, 234, 252],
+            [206, 140, 167, 235, 168, 255, 235, 252],
+            [206, 140, 167, 235, 168, 255, 235, 252],
+            [207, 141, 168, 236, 169, 255, 235, 252],
+            [208, 141, 168, 236, 170, 255, 235, 252],
+            [209, 142, 169, 237, 171, 255, 236, 252],
+            [209, 143, 169, 237, 171, 255, 236, 252],
+            [210, 144, 169, 237, 172, 255, 236, 252],
+            [211, 144, 169, 237, 172, 255, 236, 252],
+            [212, 145, 170, 238, 173, 255, 237, 252],
+            [213, 145, 170, 238, 173, 255, 237, 252],
+            [214, 146, 171, 239, 174, 255, 237, 253],
+            [214, 146, 171, 239, 174, 255, 237, 253],
+            [215, 147, 172, 240, 175, 255, 238, 253],
+            [215, 147, 172, 240, 175, 255, 238, 253],
+            [216, 148, 173, 240, 176, 255, 238, 253],
+            [217, 148, 173, 240, 176, 255, 238, 253],
+            [218, 149, 173, 241, 177, 255, 239, 253],
+            [218, 149, 173, 241, 178, 255, 239, 253],
+            [219, 150, 174, 241, 179, 255, 239, 253],
+            [219, 151, 174, 241, 179, 255, 239, 253],
+            [220, 152, 175, 242, 180, 255, 240, 253],
+            [221, 152, 175, 242, 180, 255, 240, 253],
+            [222, 153, 176, 242, 181, 255, 240, 253],
+            [222, 153, 176, 242, 181, 255, 240, 253],
+            [223, 154, 177, 243, 182, 255, 240, 253],
+            [223, 154, 177, 243, 182, 255, 240, 253],
+            [224, 155, 178, 244, 183, 255, 241, 253],
+            [224, 155, 178, 244, 183, 255, 241, 253],
+            [225, 156, 178, 244, 184, 255, 241, 253],
+            [225, 157, 178, 244, 184, 255, 241, 253],
+            [226, 158, 179, 244, 185, 255, 242, 253],
+            [227, 158, 179, 244, 185, 255, 242, 253],
+            [228, 159, 180, 245, 186, 255, 242, 253],
+            [228, 159, 180, 245, 186, 255, 242, 253],
+            [229, 160, 181, 245, 187, 255, 242, 253],
+            [229, 160, 181, 245, 187, 255, 242, 253],
+            [230, 161, 182, 246, 188, 255, 243, 253],
+            [230, 162, 182, 246, 188, 255, 243, 253],
+            [231, 163, 183, 246, 189, 255, 243, 253],
+            [231, 163, 183, 246, 189, 255, 243, 253],
+            [232, 164, 184, 247, 190, 255, 243, 253],
+            [232, 164, 184, 247, 190, 255, 243, 253],
+            [233, 165, 185, 247, 191, 255, 244, 253],
+            [233, 165, 185, 247, 191, 255, 244, 253],
+            [234, 166, 185, 247, 192, 255, 244, 253],
+            [234, 167, 185, 247, 192, 255, 244, 253],
+            [235, 168, 186, 248, 193, 255, 244, 253],
+            [235, 168, 186, 248, 193, 255, 244, 253],
+            [236, 169, 187, 248, 194, 255, 244, 253],
+            [236, 169, 187, 248, 194, 255, 244, 253],
+            [236, 170, 188, 248, 195, 255, 245, 253],
+            [236, 170, 188, 248, 195, 255, 245, 253],
+            [237, 171, 189, 249, 196, 255, 245, 254],
+            [237, 172, 189, 249, 196, 255, 245, 254],
+            [238, 173, 190, 249, 197, 255, 245, 254],
+            [238, 173, 190, 249, 197, 255, 245, 254],
+            [239, 174, 191, 249, 198, 255, 245, 254],
+            [239, 174, 191, 249, 198, 255, 245, 254],
+            [240, 175, 192, 249, 199, 255, 246, 254],
+            [240, 176, 192, 249, 199, 255, 246, 254],
+            [240, 177, 193, 250, 200, 255, 246, 254],
+            [240, 177, 193, 250, 200, 255, 246, 254],
+            [241, 178, 194, 250, 201, 255, 246, 254],
+            [241, 178, 194, 250, 201, 255, 246, 254],
+            [242, 179, 195, 250, 202, 255, 246, 254],
+            [242, 180, 195, 250, 202, 255, 246, 254],
+            [242, 181, 196, 250, 203, 255, 247, 254],
+            [242, 181, 196, 250, 203, 255, 247, 254],
+            [243, 182, 197, 251, 204, 255, 247, 254],
+            [243, 183, 197, 251, 204, 255, 247, 254],
+            [244, 184, 198, 251, 205, 255, 247, 254],
+            [244, 184, 198, 251, 205, 255, 247, 254],
+            [244, 185, 199, 251, 206, 255, 247, 254],
+            [244, 185, 199, 251, 206, 255, 247, 254],
+            [245, 186, 200, 251, 207, 255, 247, 254],
+            [245, 187, 200, 251, 207, 255, 247, 254],
+            [246, 188, 201, 252, 207, 255, 248, 254],
+            [246, 188, 201, 252, 207, 255, 248, 254],
+            [246, 189, 202, 252, 208, 255, 248, 254],
+            [246, 190, 202, 252, 208, 255, 248, 254],
+            [247, 191, 203, 252, 209, 255, 248, 254],
+            [247, 191, 203, 252, 209, 255, 248, 254],
+            [247, 192, 204, 252, 210, 255, 248, 254],
+            [247, 193, 204, 252, 210, 255, 248, 254],
+            [248, 194, 205, 252, 211, 255, 248, 254],
+            [248, 194, 205, 252, 211, 255, 248, 254],
+            [248, 195, 206, 252, 212, 255, 249, 254],
+            [248, 196, 206, 252, 212, 255, 249, 254],
+            [249, 197, 207, 253, 213, 255, 249, 254],
+            [249, 197, 207, 253, 213, 255, 249, 254],
+            [249, 198, 208, 253, 214, 255, 249, 254],
+            [249, 199, 209, 253, 214, 255, 249, 254],
+            [250, 200, 210, 253, 215, 255, 249, 254],
+            [250, 200, 210, 253, 215, 255, 249, 254],
+            [250, 201, 211, 253, 215, 255, 249, 254],
+            [250, 202, 211, 253, 215, 255, 249, 254],
+            [250, 203, 212, 253, 216, 255, 249, 254],
+            [250, 203, 212, 253, 216, 255, 249, 254],
+            [251, 204, 213, 253, 217, 255, 250, 254],
+            [251, 205, 213, 253, 217, 255, 250, 254],
+            [251, 206, 214, 254, 218, 255, 250, 254],
+            [251, 206, 215, 254, 218, 255, 250, 254],
+            [252, 207, 216, 254, 219, 255, 250, 254],
+            [252, 208, 216, 254, 219, 255, 250, 254],
+            [252, 209, 217, 254, 220, 255, 250, 254],
+            [252, 210, 217, 254, 220, 255, 250, 254],
+            [252, 211, 218, 254, 221, 255, 250, 254],
+            [252, 212, 218, 254, 221, 255, 250, 254],
+            [253, 213, 219, 254, 222, 255, 250, 254],
+            [253, 213, 220, 254, 222, 255, 250, 254],
+            [253, 214, 221, 254, 223, 255, 250, 254],
+            [253, 215, 221, 254, 223, 255, 250, 254],
+            [253, 216, 222, 254, 224, 255, 251, 254],
+            [253, 217, 223, 254, 224, 255, 251, 254],
+            [253, 218, 224, 254, 225, 255, 251, 254],
+            [253, 219, 224, 254, 225, 255, 251, 254],
+            [254, 220, 225, 254, 225, 255, 251, 254],
+            [254, 221, 226, 254, 225, 255, 251, 254],
+            [254, 222, 227, 255, 226, 255, 251, 254],
+            [254, 223, 227, 255, 226, 255, 251, 254],
+            [254, 224, 228, 255, 227, 255, 251, 254],
+            [254, 225, 229, 255, 227, 255, 251, 254],
+            [254, 226, 230, 255, 228, 255, 251, 254],
+            [254, 227, 230, 255, 229, 255, 251, 254],
+            [255, 228, 231, 255, 230, 255, 251, 254],
+            [255, 229, 232, 255, 230, 255, 251, 254],
+            [255, 230, 233, 255, 231, 255, 252, 254],
+            [255, 231, 234, 255, 231, 255, 252, 254],
+            [255, 232, 235, 255, 232, 255, 252, 254],
+            [255, 233, 236, 255, 232, 255, 252, 254],
+            [255, 235, 237, 255, 233, 255, 252, 254],
+            [255, 236, 238, 255, 234, 255, 252, 254],
+            [255, 238, 240, 255, 235, 255, 252, 255],
+            [255, 239, 241, 255, 235, 255, 252, 254],
+            [255, 241, 243, 255, 236, 255, 252, 254],
+            [255, 243, 245, 255, 237, 255, 252, 254],
+            [255, 246, 247, 255, 239, 255, 253, 255]
+        ];
+
+        internal static readonly byte[] DefaultCoefProbs4X4 =
+        [
+            // Y plane
+            // Intra
+            // Band 0
+            195, 29, 183, 84, 49, 136, 8, 42, 71, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+            // Band 1
+            31, 107, 169, 35, 99, 159, 17, 82, 140, 8, 66, 114, 2, 44, 76, 1, 19, 32,
+            // Band 2
+            40, 132, 201, 29, 114, 187, 13, 91, 157, 7, 75, 127, 3, 58, 95, 1, 28, 47,
+            // Band 3
+            69, 142, 221, 42, 122, 201, 15, 91, 159, 6, 67, 121, 1, 42, 77, 1, 17, 31,
+            // Band 4
+            102, 148, 228, 67, 117, 204, 17, 82, 154, 6, 59, 114, 2, 39, 75, 1, 15, 29,
+            // Band 5
+            156, 57, 233, 119, 57, 212, 58, 48, 163, 29, 40, 124, 12, 30, 81, 3, 12, 31,
+            // Inter
+            // Band 0
+            191, 107, 226, 124, 117, 204, 25, 99, 155, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+            // Band 1
+            29, 148, 210, 37, 126, 194, 8, 93, 157, 2, 68, 118, 1, 39, 69, 1, 17, 33,
+            // Band 2
+            41, 151, 213, 27, 123, 193, 3, 82, 144, 1, 58, 105, 1, 32, 60, 1, 13, 26,
+            // Band 3
+            59, 159, 220, 23, 126, 198, 4, 88, 151, 1, 66, 114, 1, 38, 71, 1, 18, 34,
+            // Band 4
+            114, 136, 232, 51, 114, 207, 11, 83, 155, 3, 56, 105, 1, 33, 65, 1, 17, 34,
+            // Band 5
+            149, 65, 234, 121, 57, 215, 61, 49, 166, 28, 36, 114, 12, 25, 76, 3, 16, 42,
+            // UV plane
+            // Intra
+            // Band 0
+            214, 49, 220, 132, 63, 188, 42, 65, 137, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+            // Band 1
+            85, 137, 221, 104, 131, 216, 49, 111, 192, 21, 87, 155, 2, 49, 87, 1, 16, 28,
+            // Band 2
+            89, 163, 230, 90, 137, 220, 29, 100, 183, 10, 70, 135, 2, 42, 81, 1, 17, 33,
+            // Band 3
+            108, 167, 237, 55, 133, 222, 15, 97, 179, 4, 72, 135, 1, 45, 85, 1, 19, 38,
+            // Band 4
+            124, 146, 240, 66, 124, 224, 17, 88, 175, 4, 58, 122, 1, 36, 75, 1, 18, 37,
+            //  Band 5
+            141, 79, 241, 126, 70, 227, 66, 58, 182, 30, 44, 136, 12, 34, 96, 2, 20, 47,
+            // Inter
+            // Band 0
+            229, 99, 249, 143, 111, 235, 46, 109, 192, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+            // Band 1
+            82, 158, 236, 94, 146, 224, 25, 117, 191, 9, 87, 149, 3, 56, 99, 1, 33, 57,
+            // Band 2
+            83, 167, 237, 68, 145, 222, 10, 103, 177, 2, 72, 131, 1, 41, 79, 1, 20, 39,
+            // Band 3
+            99, 167, 239, 47, 141, 224, 10, 104, 178, 2, 73, 133, 1, 44, 85, 1, 22, 47,
+            // Band 4
+            127, 145, 243, 71, 129, 228, 17, 93, 177, 3, 61, 124, 1, 41, 84, 1, 21, 52,
+            // Band 5
+            157, 78, 244, 140, 72, 231, 69, 58, 184, 31, 44, 137, 14, 38, 105, 8, 23, 61
+        ];
+
+        internal static readonly byte[] DefaultCoefProbs8X8 =
+        [
+            // Y plane
+            // Intra
+            // Band 0
+            125, 34, 187, 52, 41, 133, 6, 31, 56, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+            // Band 1
+            37, 109, 153, 51, 102, 147, 23, 87, 128, 8, 67, 101, 1, 41, 63, 1, 19, 29,
+            // Band 2
+            31, 154, 185, 17, 127, 175, 6, 96, 145, 2, 73, 114, 1, 51, 82, 1, 28, 45,
+            // Band 3
+            23, 163, 200, 10, 131, 185, 2, 93, 148, 1, 67, 111, 1, 41, 69, 1, 14, 24,
+            // Band 4
+            29, 176, 217, 12, 145, 201, 3, 101, 156, 1, 69, 111, 1, 39, 63, 1, 14, 23,
+            // Band 5
+            57, 192, 233, 25, 154, 215, 6, 109, 167, 3, 78, 118, 1, 48, 69, 1, 21, 29,
+            // Inter
+            // Band 0
+            202, 105, 245, 108, 106, 216, 18, 90, 144, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+            // Band 1
+            33, 172, 219, 64, 149, 206, 14, 117, 177, 5, 90, 141, 2, 61, 95, 1, 37, 57,
+            // Band 2
+            33, 179, 220, 11, 140, 198, 1, 89, 148, 1, 60, 104, 1, 33, 57, 1, 12, 21,
+            // Band 3
+            30, 181, 221, 8, 141, 198, 1, 87, 145, 1, 58, 100, 1, 31, 55, 1, 12, 20,
+            // Band 4
+            32, 186, 224, 7, 142, 198, 1, 86, 143, 1, 58, 100, 1, 31, 55, 1, 12, 22,
+            // Band 5
+            57, 192, 227, 20, 143, 204, 3, 96, 154, 1, 68, 112, 1, 42, 69, 1, 19, 32,
+            // UV plane
+            // Intra
+            // Band 0
+            212, 35, 215, 113, 47, 169, 29, 48, 105, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+            // Band 1
+            74, 129, 203, 106, 120, 203, 49, 107, 178, 19, 84, 144, 4, 50, 84, 1, 15, 25,
+            // Band 2
+            71, 172, 217, 44, 141, 209, 15, 102, 173, 6, 76, 133, 2, 51, 89, 1, 24, 42,
+            // Band 3
+            64, 185, 231, 31, 148, 216, 8, 103, 175, 3, 74, 131, 1, 46, 81, 1, 18, 30,
+            // Band 4
+            65, 196, 235, 25, 157, 221, 5, 105, 174, 1, 67, 120, 1, 38, 69, 1, 15, 30,
+            // Band 5
+            65, 204, 238, 30, 156, 224, 7, 107, 177, 2, 70, 124, 1, 42, 73, 1, 18, 34,
+            // Inter
+            // Band 0
+            225, 86, 251, 144, 104, 235, 42, 99, 181, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+            // Band 1
+            85, 175, 239, 112, 165, 229, 29, 136, 200, 12, 103, 162, 6, 77, 123, 2, 53, 84,
+            // Band 2
+            75, 183, 239, 30, 155, 221, 3, 106, 171, 1, 74, 128, 1, 44, 76, 1, 17, 28,
+            // Band 3
+            73, 185, 240, 27, 159, 222, 2, 107, 172, 1, 75, 127, 1, 42, 73, 1, 17, 29,
+            // Band 4
+            62, 190, 238, 21, 159, 222, 2, 107, 172, 1, 72, 122, 1, 40, 71, 1, 18, 32,
+            // Band 5
+            61, 199, 240, 27, 161, 226, 4, 113, 180, 1, 76, 129, 1, 46, 80, 1, 23, 41
+        ];
+
+        internal static readonly byte[] DefaultCoefProbs16X16 =
+        [
+            // Y plane
+            // Intra
+            // Band 0
+            7, 27, 153, 5, 30, 95, 1, 16, 30, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+            // Band 1
+            50, 75, 127, 57, 75, 124, 27, 67, 108, 10, 54, 86, 1, 33, 52, 1, 12, 18,
+            // Band 2
+            43, 125, 151, 26, 108, 148, 7, 83, 122, 2, 59, 89, 1, 38, 60, 1, 17, 27,
+            // Band 3
+            23, 144, 163, 13, 112, 154, 2, 75, 117, 1, 50, 81, 1, 31, 51, 1, 14, 23,
+            // Band 4
+            18, 162, 185, 6, 123, 171, 1, 78, 125, 1, 51, 86, 1, 31, 54, 1, 14, 23,
+            // Band 5
+            15, 199, 227, 3, 150, 204, 1, 91, 146, 1, 55, 95, 1, 30, 53, 1, 11, 20,
+            // Inter
+            // Band 0
+            19, 55, 240, 19, 59, 196, 3, 52, 105, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+            // Band 1
+            41, 166, 207, 104, 153, 199, 31, 123, 181, 14, 101, 152, 5, 72, 106, 1, 36, 52,
+            // Band 2
+            35, 176, 211, 12, 131, 190, 2, 88, 144, 1, 60, 101, 1, 36, 60, 1, 16, 28,
+            // Band 3
+            28, 183, 213, 8, 134, 191, 1, 86, 142, 1, 56, 96, 1, 30, 53, 1, 12, 20,
+            // Band 4
+            20, 190, 215, 4, 135, 192, 1, 84, 139, 1, 53, 91, 1, 28, 49, 1, 11, 20,
+            // Band 5
+            13, 196, 216, 2, 137, 192, 1, 86, 143, 1, 57, 99, 1, 32, 56, 1, 13, 24,
+            // UV plane
+            // Intra
+            // Band 0
+            211, 29, 217, 96, 47, 156, 22, 43, 87, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+            // Band 1
+            78, 120, 193, 111, 116, 186, 46, 102, 164, 15, 80, 128, 2, 49, 76, 1, 18, 28,
+            // Band 2
+            71, 161, 203, 42, 132, 192, 10, 98, 150, 3, 69, 109, 1, 44, 70, 1, 18, 29,
+            // Band 3
+            57, 186, 211, 30, 140, 196, 4, 93, 146, 1, 62, 102, 1, 38, 65, 1, 16, 27,
+            // Band 4
+            47, 199, 217, 14, 145, 196, 1, 88, 142, 1, 57, 98, 1, 36, 62, 1, 15, 26,
+            // Band 5
+            26, 219, 229, 5, 155, 207, 1, 94, 151, 1, 60, 104, 1, 36, 62, 1, 16, 28,
+            // Inter
+            // Band 0
+            233, 29, 248, 146, 47, 220, 43, 52, 140, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+            // Band 1
+            100, 163, 232, 179, 161, 222, 63, 142, 204, 37, 113, 174, 26, 89, 137, 18, 68, 97,
+            // Band 2
+            85, 181, 230, 32, 146, 209, 7, 100, 164, 3, 71, 121, 1, 45, 77, 1, 18, 30,
+            // Band 3
+            65, 187, 230, 20, 148, 207, 2, 97, 159, 1, 68, 116, 1, 40, 70, 1, 14, 29,
+            // Band 4
+            40, 194, 227, 8, 147, 204, 1, 94, 155, 1, 65, 112, 1, 39, 66, 1, 14, 26,
+            // Band 5
+            16, 208, 228, 3, 151, 207, 1, 98, 160, 1, 67, 117, 1, 41, 74, 1, 17, 31
+        ];
+
+        internal static readonly byte[] DefaultCoefProbs32X32 =
+        [
+            // Y plane
+            // Intra
+            // Band 0
+            17, 38, 140, 7, 34, 80, 1, 17, 29, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+            // Band 1
+            37, 75, 128, 41, 76, 128, 26, 66, 116, 12, 52, 94, 2, 32, 55, 1, 10, 16,
+            // Band 2
+            50, 127, 154, 37, 109, 152, 16, 82, 121, 5, 59, 85, 1, 35, 54, 1, 13, 20,
+            // Band 3
+            40, 142, 167, 17, 110, 157, 2, 71, 112, 1, 44, 72, 1, 27, 45, 1, 11, 17,
+            // Band 4
+            30, 175, 188, 9, 124, 169, 1, 74, 116, 1, 48, 78, 1, 30, 49, 1, 11, 18,
+            // Band 5
+            10, 222, 223, 2, 150, 194, 1, 83, 128, 1, 48, 79, 1, 27, 45, 1, 11, 17,
+            // Inter
+            // Band 0
+            36, 41, 235, 29, 36, 193, 10, 27, 111, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+            // Band 1
+            85, 165, 222, 177, 162, 215, 110, 135, 195, 57, 113, 168, 23, 83, 120, 10, 49, 61,
+            // Band 2
+            85, 190, 223, 36, 139, 200, 5, 90, 146, 1, 60, 103, 1, 38, 65, 1, 18, 30,
+            // Band 3
+            72, 202, 223, 23, 141, 199, 2, 86, 140, 1, 56, 97, 1, 36, 61, 1, 16, 27,
+            // Band 4
+            55, 218, 225, 13, 145, 200, 1, 86, 141, 1, 57, 99, 1, 35, 61, 1, 13, 22,
+            // Band 5
+            15, 235, 212, 1, 132, 184, 1, 84, 139, 1, 57, 97, 1, 34, 56, 1, 14, 23,
+            // UV plane
+            // Intra
+            // Band 0
+            181, 21, 201, 61, 37, 123, 10, 38, 71, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+            // Band 1
+            47, 106, 172, 95, 104, 173, 42, 93, 159, 18, 77, 131, 4, 50, 81, 1, 17, 23,
+            // Band 2
+            62, 147, 199, 44, 130, 189, 28, 102, 154, 18, 75, 115, 2, 44, 65, 1, 12, 19,
+            // Band 3
+            55, 153, 210, 24, 130, 194, 3, 93, 146, 1, 61, 97, 1, 31, 50, 1, 10, 16,
+            // Band 4
+            49, 186, 223, 17, 148, 204, 1, 96, 142, 1, 53, 83, 1, 26, 44, 1, 11, 17,
+            // Band 5
+            13, 217, 212, 2, 136, 180, 1, 78, 124, 1, 50, 83, 1, 29, 49, 1, 14, 23,
+            // Inter
+            // Band 0
+            197, 13, 247, 82, 17, 222, 25, 17, 162, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+            // Band 1
+            126, 186, 247, 234, 191, 243, 176, 177, 234, 104, 158, 220, 66, 128, 186, 55, 90, 137,
+            // Band 2
+            111, 197, 242, 46, 158, 219, 9, 104, 171, 2, 65, 125, 1, 44, 80, 1, 17, 91,
+            // Band 3
+            104, 208, 245, 39, 168, 224, 3, 109, 162, 1, 79, 124, 1, 50, 102, 1, 43, 102,
+            // Band 4
+            84, 220, 246, 31, 177, 231, 2, 115, 180, 1, 79, 134, 1, 55, 77, 1, 60, 79,
+            // Band 5
+            43, 243, 240, 8, 180, 217, 1, 115, 166, 1, 84, 121, 1, 51, 67, 1, 16, 6
+        ];
+
+        public static byte[] GetBandTranslate(int txSize)
+        {
+            return txSize == (int)TxSize.Tx4X4 ? _coefbandTrans4X4 : _coefbandTrans8X8Plus;
+        }
+
+        public static void CopyProbs<T>(ref T dest, ReadOnlySpan<byte> probs) where T : unmanaged
+        {
+            if (Unsafe.SizeOf<T>() != probs.Length)
+            {
+                throw new Exception("size mismatch expected: " + probs.Length + " got: " + Unsafe.SizeOf<T>());
+            }
+
+            probs.CopyTo(MemoryMarshal.Cast<T, byte>(MemoryMarshal.CreateSpan(ref dest, 1)));
+        }
+
+        internal const int CoefCountSat = 24;
+        internal const int CoefMaxUpdateFactor = 112;
+        internal const int CoefCountSatKey = 24;
+        internal const int CoefMaxUpdateFactorKey = 112;
+        internal const int CoefCountSatAfterKey = 24;
+        internal const int CoefMaxUpdateFactorAfterKey = 128;
+    }
+}

src/Ryujinx.Graphics.Nvdec.Vp9/EntropyMode.cs

@@ -0,0 +1,390 @@
+using Ryujinx.Common.Memory;
+using Ryujinx.Graphics.Nvdec.Vp9.Common;
+using Ryujinx.Graphics.Nvdec.Vp9.Types;
+using Ryujinx.Graphics.Video;
+using System;
+
+namespace Ryujinx.Graphics.Nvdec.Vp9
+{
+    internal class EntropyMode
+    {
+        public const int BlockSizeGroups = 4;
+
+        public const int TxSizeContexts = 2;
+
+        public static readonly byte[][][] KfYModeProb =
+        [
+            [
+                // above = dc
+                [137, 30, 42, 148, 151, 207, 70, 52, 91], // left = dc
+                [92, 45, 102, 136, 116, 180, 74, 90, 100], // left = v
+                [73, 32, 19, 187, 222, 215, 46, 34, 100], // left = h
+                [91, 30, 32, 116, 121, 186, 93, 86, 94], // left = d45
+                [72, 35, 36, 149, 68, 206, 68, 63, 105], // left = d135
+                [73, 31, 28, 138, 57, 124, 55, 122, 151], // left = d117
+                [67, 23, 21, 140, 126, 197, 40, 37, 171], // left = d153
+                [86, 27, 28, 128, 154, 212, 45, 43, 53], // left = d207
+                [74, 32, 27, 107, 86, 160, 63, 134, 102], // left = d63
+                [59, 67, 44, 140, 161, 202, 78, 67, 119] // left = tm
+            ],
+            [
+                // above = v
+                [63, 36, 126, 146, 123, 158, 60, 90, 96], // left = dc
+                [43, 46, 168, 134, 107, 128, 69, 142, 92], // left = v
+                [44, 29, 68, 159, 201, 177, 50, 57, 77], // left = h
+                [58, 38, 76, 114, 97, 172, 78, 133, 92], // left = d45
+                [46, 41, 76, 140, 63, 184, 69, 112, 57], // left = d135
+                [38, 32, 85, 140, 46, 112, 54, 151, 133], // left = d117
+                [39, 27, 61, 131, 110, 175, 44, 75, 136], // left = d153
+                [52, 30, 74, 113, 130, 175, 51, 64, 58], // left = d207
+                [47, 35, 80, 100, 74, 143, 64, 163, 74], // left = d63
+                [36, 61, 116, 114, 128, 162, 80, 125, 82] // left = tm
+            ],
+            [
+                // above = h
+                [82, 26, 26, 171, 208, 204, 44, 32, 105], // left = dc
+                [55, 44, 68, 166, 179, 192, 57, 57, 108], // left = v
+                [42, 26, 11, 199, 241, 228, 23, 15, 85], // left = h
+                [68, 42, 19, 131, 160, 199, 55, 52, 83], // left = d45
+                [58, 50, 25, 139, 115, 232, 39, 52, 118], // left = d135
+                [50, 35, 33, 153, 104, 162, 64, 59, 131], // left = d117
+                [44, 24, 16, 150, 177, 202, 33, 19, 156], // left = d153
+                [55, 27, 12, 153, 203, 218, 26, 27, 49], // left = d207
+                [53, 49, 21, 110, 116, 168, 59, 80, 76], // left = d63
+                [38, 72, 19, 168, 203, 212, 50, 50, 107] // left = tm
+            ],
+            [
+                // above = d45
+                [103, 26, 36, 129, 132, 201, 83, 80, 93], // left = dc
+                [59, 38, 83, 112, 103, 162, 98, 136, 90], // left = v
+                [62, 30, 23, 158, 200, 207, 59, 57, 50], // left = h
+                [67, 30, 29, 84, 86, 191, 102, 91, 59], // left = d45
+                [60, 32, 33, 112, 71, 220, 64, 89, 104], // left = d135
+                [53, 26, 34, 130, 56, 149, 84, 120, 103], // left = d117
+                [53, 21, 23, 133, 109, 210, 56, 77, 172], // left = d153
+                [77, 19, 29, 112, 142, 228, 55, 66, 36], // left = d207
+                [61, 29, 29, 93, 97, 165, 83, 175, 162], // left = d63
+                [47, 47, 43, 114, 137, 181, 100, 99, 95] // left = tm
+            ],
+            [
+                // above = d135
+                [69, 23, 29, 128, 83, 199, 46, 44, 101], // left = dc
+                [53, 40, 55, 139, 69, 183, 61, 80, 110], // left = v
+                [40, 29, 19, 161, 180, 207, 43, 24, 91], // left = h
+                [60, 34, 19, 105, 61, 198, 53, 64, 89], // left = d45
+                [52, 31, 22, 158, 40, 209, 58, 62, 89], // left = d135
+                [44, 31, 29, 147, 46, 158, 56, 102, 198], // left = d117
+                [35, 19, 12, 135, 87, 209, 41, 45, 167], // left = d153
+                [55, 25, 21, 118, 95, 215, 38, 39, 66], // left = d207
+                [51, 38, 25, 113, 58, 164, 70, 93, 97], // left = d63
+                [47, 54, 34, 146, 108, 203, 72, 103, 151] // left = tm
+            ],
+            [
+                // above = d117
+                [64, 19, 37, 156, 66, 138, 49, 95, 133], // left = dc
+                [46, 27, 80, 150, 55, 124, 55, 121, 135], // left = v
+                [36, 23, 27, 165, 149, 166, 54, 64, 118], // left = h
+                [53, 21, 36, 131, 63, 163, 60, 109, 81], // left = d45
+                [40, 26, 35, 154, 40, 185, 51, 97, 123], // left = d135
+                [35, 19, 34, 179, 19, 97, 48, 129, 124], // left = d117
+                [36, 20, 26, 136, 62, 164, 33, 77, 154], // left = d153
+                [45, 18, 32, 130, 90, 157, 40, 79, 91], // left = d207
+                [45, 26, 28, 129, 45, 129, 49, 147, 123], // left = d63
+                [38, 44, 51, 136, 74, 162, 57, 97, 121] // left = tm
+            ],
+            [
+                // above = d153
+                [75, 17, 22, 136, 138, 185, 32, 34, 166], // left = dc
+                [56, 39, 58, 133, 117, 173, 48, 53, 187], // left = v
+                [35, 21, 12, 161, 212, 207, 20, 23, 145], // left = h
+                [56, 29, 19, 117, 109, 181, 55, 68, 112], // left = d45
+                [47, 29, 17, 153, 64, 220, 59, 51, 114], // left = d135
+                [46, 16, 24, 136, 76, 147, 41, 64, 172], // left = d117
+                [34, 17, 11, 108, 152, 187, 13, 15, 209], // left = d153
+                [51, 24, 14, 115, 133, 209, 32, 26, 104], // left = d207
+                [55, 30, 18, 122, 79, 179, 44, 88, 116], // left = d63
+                [37, 49, 25, 129, 168, 164, 41, 54, 148] // left = tm
+            ],
+            [
+                // above = d207
+                [82, 22, 32, 127, 143, 213, 39, 41, 70], // left = dc
+                [62, 44, 61, 123, 105, 189, 48, 57, 64], // left = v
+                [47, 25, 17, 175, 222, 220, 24, 30, 86], // left = h
+                [68, 36, 17, 106, 102, 206, 59, 74, 74], // left = d45
+                [57, 39, 23, 151, 68, 216, 55, 63, 58], // left = d135
+                [49, 30, 35, 141, 70, 168, 82, 40, 115], // left = d117
+                [51, 25, 15, 136, 129, 202, 38, 35, 139], // left = d153
+                [68, 26, 16, 111, 141, 215, 29, 28, 28], // left = d207
+                [59, 39, 19, 114, 75, 180, 77, 104, 42], // left = d63
+                [40, 61, 26, 126, 152, 206, 61, 59, 93] // left = tm
+            ],
+            [
+                // above = d63
+                [78, 23, 39, 111, 117, 170, 74, 124, 94], // left = dc
+                [48, 34, 86, 101, 92, 146, 78, 179, 134], // left = v
+                [47, 22, 24, 138, 187, 178, 68, 69, 59], // left = h
+                [56, 25, 33, 105, 112, 187, 95, 177, 129], // left = d45
+                [48, 31, 27, 114, 63, 183, 82, 116, 56], // left = d135
+                [43, 28, 37, 121, 63, 123, 61, 192, 169], // left = d117
+                [42, 17, 24, 109, 97, 177, 56, 76, 122], // left = d153
+                [58, 18, 28, 105, 139, 182, 70, 92, 63], // left = d207
+                [46, 23, 32, 74, 86, 150, 67, 183, 88], // left = d63
+                [36, 38, 48, 92, 122, 165, 88, 137, 91] // left = tm
+            ],
+            [
+                // above = tm
+                [65, 70, 60, 155, 159, 199, 61, 60, 81], // left = dc
+                [44, 78, 115, 132, 119, 173, 71, 112, 93], // left = v
+                [39, 38, 21, 184, 227, 206, 42, 32, 64], // left = h
+                [58, 47, 36, 124, 137, 193, 80, 82, 78], // left = d45
+                [49, 50, 35, 144, 95, 205, 63, 78, 59], // left = d135
+                [41, 53, 52, 148, 71, 142, 65, 128, 51], // left = d117
+                [40, 36, 28, 143, 143, 202, 40, 55, 137], // left = d153
+                [52, 34, 29, 129, 183, 227, 42, 35, 43], // left = d207
+                [42, 44, 44, 104, 105, 164, 64, 130, 80], // left = d63
+                [43, 81, 53, 140, 169, 204, 68, 84, 72] // left = tm
+            ]
+        ];
+
+        public static readonly byte[][] KfUvModeProb =
+        [
+            [144, 11, 54, 157, 195, 130, 46, 58, 108], // y = dc
+            [118, 15, 123, 148, 131, 101, 44, 93, 131], // y = v
+            [113, 12, 23, 188, 226, 142, 26, 32, 125], // y = h
+            [120, 11, 50, 123, 163, 135, 64, 77, 103], // y = d45
+            [113, 9, 36, 155, 111, 157, 32, 44, 161], // y = d135
+            [116, 9, 55, 176, 76, 96, 37, 61, 149], // y = d117
+            [115, 9, 28, 141, 161, 167, 21, 25, 193], // y = d153
+            [120, 12, 32, 145, 195, 142, 32, 38, 86], // y = d207
+            [116, 12, 64, 120, 140, 125, 49, 115, 121], // y = d63
+            [102, 19, 66, 162, 182, 122, 35, 59, 128] // y = tm
+        ];
+
+        private static readonly byte[] _defaultIfYProbs =
+        [
+            65, 32, 18, 144, 162, 194, 41, 51, 98, // block_size < 8x8
+            132, 68, 18, 165, 217, 196, 45, 40, 78, // block_size < 16x16
+            173, 80, 19, 176, 240, 193, 64, 35, 46, // block_size < 32x32
+            221, 135, 38, 194, 248, 121, 96, 85, 29 // block_size >= 32x32
+        ];
+
+        private static readonly byte[] _defaultIfUvProbs =
+        [
+            120, 7, 76, 176, 208, 126, 28, 54, 103, // y = dc
+            48, 12, 154, 155, 139, 90, 34, 117, 119, // y = v
+            67, 6, 25, 204, 243, 158, 13, 21, 96, // y = h
+            97, 5, 44, 131, 176, 139, 48, 68, 97, // y = d45
+            83, 5, 42, 156, 111, 152, 26, 49, 152, // y = d135
+            80, 5, 58, 178, 74, 83, 33, 62, 145, // y = d117
+            86, 5, 32, 154, 192, 168, 14, 22, 163, // y = d153
+            85, 5, 32, 156, 216, 148, 19, 29, 73, // y = d207
+            77, 7, 64, 116, 132, 122, 37, 126, 120, // y = d63
+            101, 21, 107, 181, 192, 103, 19, 67, 125 // y = tm
+        ];
+
+        private static readonly byte[] _defaultPartitionProbs =
+        [
+            // 8x8 . 4x4
+            199, 122, 141, // a/l both not split
+            147, 63, 159, // a split, l not split
+            148, 133, 118, // l split, a not split
+            121, 104, 114, // a/l both split
+            // 16x16 . 8x8
+            174, 73, 87, // a/l both not split
+            92, 41, 83, // a split, l not split
+            82, 99, 50, // l split, a not split
+            53, 39, 39, // a/l both split
+            // 32x32 . 16x16
+            177, 58, 59, // a/l both not split
+            68, 26, 63, // a split, l not split
+            52, 79, 25, // l split, a not split
+            17, 14, 12, // a/l both split
+            // 64x64 . 32x32
+            222, 34, 30, // a/l both not split
+            72, 16, 44, // a split, l not split
+            58, 32, 12, // l split, a not split
+            10, 7, 6 // a/l both split
+        ];
+
+        private static readonly byte[] _defaultInterModeProbs =
+        [
+            2, 173, 34, // 0 = both zero mv
+            7, 145, 85, // 1 = one zero mv + one a predicted mv
+            7, 166, 63, // 2 = two predicted mvs
+            7, 94, 66, // 3 = one predicted/zero and one new mv
+            8, 64, 46, // 4 = two new mvs
+            17, 81, 31, // 5 = one intra neighbour + x
+            25, 29, 30 // 6 = two intra neighbours
+        ];
+
+        /* Array indices are identical to previously-existing INTRAMODECONTEXTNODES. */
+        public static readonly sbyte[] IntraModeTree =
+        [
+            -(int)PredictionMode.DcPred, 2, /* 0 = DC_NODE */ -(int)PredictionMode.TmPred, 4, /* 1 = TM_NODE */
+            -(int)PredictionMode.VPred, 6, /* 2 = V_NODE */ 8, 12, /* 3 = COM_NODE */ -(int)PredictionMode.HPred,
+            10, /* 4 = H_NODE */ -(int)PredictionMode.D135Pred, -(int)PredictionMode.D117Pred, /* 5 = D135_NODE */
+            -(int)PredictionMode.D45Pred, 14, /* 6 = D45_NODE */ -(int)PredictionMode.D63Pred,
+            16, /* 7 = D63_NODE */ -(int)PredictionMode.D153Pred, -(int)PredictionMode.D207Pred /* 8 = D153_NODE */
+        ];
+
+        public static readonly sbyte[] InterModeTree =
+        [
+            -((int)PredictionMode.ZeroMv - (int)PredictionMode.NearestMv), 2,
+            -((int)PredictionMode.NearestMv - (int)PredictionMode.NearestMv), 4,
+            -((int)PredictionMode.NearMv - (int)PredictionMode.NearestMv),
+            -((int)PredictionMode.NewMv - (int)PredictionMode.NearestMv)
+        ];
+
+        public static readonly sbyte[] PartitionTree =
+        [
+            -(sbyte)PartitionType.PartitionNone, 2, -(sbyte)PartitionType.PartitionHorz, 4,
+            -(sbyte)PartitionType.PartitionVert, -(sbyte)PartitionType.PartitionSplit
+        ];
+
+        public static readonly sbyte[] SwitchableInterpTree =
+        [
+            -Constants.EightTap, 2, -Constants.EightTapSmooth, -Constants.EightTapSharp
+        ];
+
+        private static readonly byte[] _defaultIntraInterP = [9, 102, 187, 225];
+        private static readonly byte[] _defaultCompInterP = [239, 183, 119, 96, 41];
+        private static readonly byte[] _defaultCompRefP = [50, 126, 123, 221, 226];
+        private static readonly byte[] _defaultSingleRefP = [33, 16, 77, 74, 142, 142, 172, 170, 238, 247];
+        private static readonly byte[] _defaultTxProbs = [3, 136, 37, 5, 52, 13, 20, 152, 15, 101, 100, 66];
+
+        static EntropyMode()
+        {
+            byte[][] kfPartitionProbs =
+            [
+                // 8x8 . 4x4
+                [158, 97, 94], // a/l both not split
+                [93, 24, 99], // a split, l not split
+                [85, 119, 44], // l split, a not split
+                [62, 59, 67], // a/l both split
+
+                // 16x16 . 8x8
+                [149, 53, 53], // a/l both not split
+                [94, 20, 48], // a split, l not split
+                [83, 53, 24], // l split, a not split
+                [52, 18, 18], // a/l both split
+
+                // 32x32 . 16x16
+                [150, 40, 39], // a/l both not split
+                [78, 12, 26], // a split, l not split
+                [67, 33, 11], // l split, a not split
+                [24, 7, 5], // a/l both split
+
+                // 64x64 . 32x32
+                [174, 35, 49], // a/l both not split
+                [68, 11, 27], // a split, l not split
+                [57, 15, 9], // l split, a not split
+                [12, 3, 3] // a/l both split
+            ];
+        }
+
+        private static readonly byte[] _defaultSkipProbs = [192, 128, 64];
+
+        private static readonly byte[] _defaultSwitchableInterpProb = [235, 162, 36, 255, 34, 3, 149, 144];
+
+        private static void InitModeProbs(ref Vp9EntropyProbs fc)
+        {
+            Entropy.CopyProbs(ref fc.UvModeProb, _defaultIfUvProbs);
+            Entropy.CopyProbs(ref fc.YModeProb, _defaultIfYProbs);
+            Entropy.CopyProbs(ref fc.SwitchableInterpProb, _defaultSwitchableInterpProb);
+            Entropy.CopyProbs(ref fc.PartitionProb, _defaultPartitionProbs);
+            Entropy.CopyProbs(ref fc.IntraInterProb, _defaultIntraInterP);
+            Entropy.CopyProbs(ref fc.CompInterProb, _defaultCompInterP);
+            Entropy.CopyProbs(ref fc.CompRefProb, _defaultCompRefP);
+            Entropy.CopyProbs(ref fc.SingleRefProb, _defaultSingleRefP);
+            Entropy.CopyProbs(ref fc.Tx32x32Prob, _defaultTxProbs.AsSpan().Slice(0, 6));
+            Entropy.CopyProbs(ref fc.Tx16x16Prob, _defaultTxProbs.AsSpan().Slice(6, 4));
+            Entropy.CopyProbs(ref fc.Tx8x8Prob, _defaultTxProbs.AsSpan().Slice(10, 2));
+            Entropy.CopyProbs(ref fc.SkipProb, _defaultSkipProbs);
+            Entropy.CopyProbs(ref fc.InterModeProb, _defaultInterModeProbs);
+        }
+
+        internal static void TxCountsToBranchCounts32X32(ReadOnlySpan<uint> txCount32X32P,
+            ref Array3<Array2<uint>> ct32X32P)
+        {
+            ct32X32P[0][0] = txCount32X32P[(int)TxSize.Tx4X4];
+            ct32X32P[0][1] = txCount32X32P[(int)TxSize.Tx8X8] + txCount32X32P[(int)TxSize.Tx16X16] +
+                             txCount32X32P[(int)TxSize.Tx32X32];
+            ct32X32P[1][0] = txCount32X32P[(int)TxSize.Tx8X8];
+            ct32X32P[1][1] = txCount32X32P[(int)TxSize.Tx16X16] + txCount32X32P[(int)TxSize.Tx32X32];
+            ct32X32P[2][0] = txCount32X32P[(int)TxSize.Tx16X16];
+            ct32X32P[2][1] = txCount32X32P[(int)TxSize.Tx32X32];
+        }
+
+        internal static void TxCountsToBranchCounts16X16(ReadOnlySpan<uint> txCount16X16P,
+            ref Array2<Array2<uint>> ct16X16P)
+        {
+            ct16X16P[0][0] = txCount16X16P[(int)TxSize.Tx4X4];
+            ct16X16P[0][1] = txCount16X16P[(int)TxSize.Tx8X8] + txCount16X16P[(int)TxSize.Tx16X16];
+            ct16X16P[1][0] = txCount16X16P[(int)TxSize.Tx8X8];
+            ct16X16P[1][1] = txCount16X16P[(int)TxSize.Tx16X16];
+        }
+
+        internal static void TxCountsToBranchCounts8X8(ReadOnlySpan<uint> txCount8X8P,
+            ref Array1<Array2<uint>> ct8X8P)
+        {
+            ct8X8P[0][0] = txCount8X8P[(int)TxSize.Tx4X4];
+            ct8X8P[0][1] = txCount8X8P[(int)TxSize.Tx8X8];
+        }
+
+        public static unsafe void SetupPastIndependence(ref Vp9Common cm)
+        {
+            // Reset the segment feature data to the default stats:
+            // Features disabled, 0, with delta coding (Default state).
+            ref Types.LoopFilter lf = ref cm.Lf;
+
+            cm.Seg.ClearAllSegFeatures();
+            cm.Seg.AbsDelta = Segmentation.SegmentDeltadata;
+
+            if (!cm.LastFrameSegMap.IsNull)
+            {
+                MemoryUtil.Fill(cm.LastFrameSegMap.ToPointer(), (byte)0, cm.MiRows * cm.MiCols);
+            }
+
+            if (!cm.CurrentFrameSegMap.IsNull)
+            {
+                MemoryUtil.Fill(cm.CurrentFrameSegMap.ToPointer(), (byte)0, cm.MiRows * cm.MiCols);
+            }
+
+            // Reset the mode ref deltas for loop filter
+            lf.LastRefDeltas = new Array4<sbyte>();
+            lf.LastModeDeltas = new Array2<sbyte>();
+            lf.SetDefaultLfDeltas();
+
+            // To force update of the sharpness
+            lf.LastSharpnessLevel = -1;
+
+            cm.DefaultCoefProbs();
+            InitModeProbs(ref cm.Fc.Value);
+            cm.InitMvProbs();
+
+            if (cm.FrameType == FrameType.KeyFrame || cm.ErrorResilientMode != 0 || cm.ResetFrameContext == 3)
+            {
+                // Reset all frame contexts.
+                for (int i = 0; i < Constants.FrameContexts; ++i)
+                {
+                    cm.FrameContexts[i] = cm.Fc.Value;
+                }
+            }
+            else if (cm.ResetFrameContext == 2)
+            {
+                // Reset only the frame context specified in the frame header.
+                cm.FrameContexts[(int)cm.FrameContextIdx] = cm.Fc.Value;
+            }
+
+            // prev_mip will only be allocated in encoder.
+            if (cm.FrameIsIntraOnly() && !cm.PrevMip.IsNull)
+            {
+                cm.PrevMi.Value = new ModeInfo();
+            }
+
+            cm.RefFrameSignBias = new Array4<sbyte>();
+
+            cm.FrameContextIdx = 0;
+        }
+    }
+}

src/Ryujinx.Graphics.Nvdec.Vp9/EntropyMv.cs

@@ -0,0 +1,165 @@
+using Ryujinx.Common.Memory;
+using Ryujinx.Graphics.Nvdec.Vp9.Types;
+using Ryujinx.Graphics.Video;
+using System.Diagnostics;
+
+namespace Ryujinx.Graphics.Nvdec.Vp9
+{
+    internal static class EntropyMv
+    {
+        public const int UpdateProb = 252;
+
+        /* Symbols for coding which components are zero jointly */
+        public const int Joints = 4;
+
+
+        public static readonly sbyte[] JointTree =
+        [
+            -(sbyte)MvJointType.Zero, 2, -(sbyte)MvJointType.Hnzvz, 4,
+            -(sbyte)MvJointType.Hzvnz, -(sbyte)MvJointType.Hnzvnz
+        ];
+
+        public static readonly sbyte[] ClassTree =
+        [
+            -(sbyte)MvClassType.Class0, 2, -(sbyte)MvClassType.Class1, 4, 6, 8, -(sbyte)MvClassType.Class2,
+            -(sbyte)MvClassType.Class3, 10, 12, -(sbyte)MvClassType.Class4, -(sbyte)MvClassType.Class5,
+            -(sbyte)MvClassType.Class6, 14, 16, 18, -(sbyte)MvClassType.Class7, -(sbyte)MvClassType.Class8,
+            -(sbyte)MvClassType.Class9, -(sbyte)MvClassType.Class10
+        ];
+
+        public static readonly sbyte[] Class0Tree = [-0, -1];
+
+        public static readonly sbyte[] FpTree = [-0, 2, -1, 4, -2, -3];
+
+        private static bool JointVertical(MvJointType type)
+        {
+            return type == MvJointType.Hzvnz || type == MvJointType.Hnzvnz;
+        }
+
+        private static bool JointHorizontal(MvJointType type)
+        {
+            return type == MvJointType.Hnzvz || type == MvJointType.Hnzvnz;
+        }
+
+        private static readonly byte[] _logInBase2 =
+        [
+            0, 0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6,
+            6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
+            6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
+            7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
+            7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
+            7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
+            7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+            8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+            8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+            8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+            8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+            8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+            8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+            8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+            9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+            9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+            9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+            9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+            9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+            9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+            9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+            9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+            9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+            9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+            9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+            9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+            9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+            9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+            9, 9, 9, 9, 9, 9, 9, 9, 9, 10
+        ];
+
+        private static int ClassBase(MvClassType c)
+        {
+            return c != 0 ? Class0Size << ((int)c + 2) : 0;
+        }
+
+        private static MvClassType GetClass(int z, Ptr<int> offset)
+        {
+            MvClassType c = z >= Class0Size * 4096
+                ? MvClassType.Class10
+                : (MvClassType)_logInBase2[z >> 3];
+            if (!offset.IsNull)
+            {
+                offset.Value = z - ClassBase(c);
+            }
+
+            return c;
+        }
+
+        private static void IncComponent(int v, ref Vp9BackwardUpdates compCounts, int compIndex, int incr, int usehp)
+        {
+            int o = 0;
+            Debug.Assert(v != 0); /* should not be zero */
+            int s = v < 0 ? 1 : 0;
+            compCounts.Sign[compIndex][s] += (uint)incr;
+            int z = (s != 0 ? -v : v) - 1 /* magnitude - 1 */;
+
+            int c = (int)GetClass(z, new Ptr<int>(ref o));
+            compCounts.Classes[compIndex][c] += (uint)incr;
+
+            int d = o >> 3 /* int mv data */;
+            int f = (o >> 1) & 3 /* fractional pel mv data */;
+            int e = o & 1 /* high precision mv data */;
+
+            if (c == (int)MvClassType.Class0)
+            {
+                compCounts.Class0[compIndex][d] += (uint)incr;
+                compCounts.Class0Fp[compIndex][d][f] += (uint)incr;
+                compCounts.Class0Hp[compIndex][e] += (uint)(usehp * incr);
+            }
+            else
+            {
+                int b = c + Class0Bits - 1; // number of bits
+                for (int i = 0; i < b; ++i)
+                {
+                    compCounts.Bits[compIndex][i][(d >> i) & 1] += (uint)incr;
+                }
+
+                compCounts.Fp[compIndex][f] += (uint)incr;
+                compCounts.Hp[compIndex][e] += (uint)(usehp * incr);
+            }
+        }
+
+        public static void Inc(ref Mv mv, Ptr<Vp9BackwardUpdates> counts)
+        {
+            if (!counts.IsNull)
+            {
+                MvJointType j = mv.GetJoint();
+                ++counts.Value.Joints[(int)j];
+
+                if (JointVertical(j))
+                {
+                    IncComponent(mv.Row, ref counts.Value, 0, 1, 1);
+                }
+
+                if (JointHorizontal(j))
+                {
+                    IncComponent(mv.Col, ref counts.Value, 1, 1, 1);
+                }
+            }
+        }
+
+        /* Symbols for coding magnitude class of nonzero components */
+        public const int Classes = 11;
+
+        public const int Class0Bits = 1; /* bits at integer precision for class 0 */
+        public const int Class0Size = 1 << Class0Bits;
+        public const int OffsetBits = Classes + Class0Bits - 2;
+        public const int FpSize = 4;
+
+        public const int MaxBits = Classes + Class0Bits + 2;
+        public const int Max = (1 << MaxBits) - 1;
+        public const int Vals = (Max << 1) + 1;
+
+        public const int InUseBits = 14;
+        public const int Upp = (1 << InUseBits) - 1;
+        public const int Low = -(1 << InUseBits);
+    }
+}

src/Ryujinx.Graphics.Nvdec.Vp9/FrameBuffers.cs

@@ -0,0 +1,78 @@
+using Ryujinx.Common.Memory;
+using Ryujinx.Graphics.Nvdec.Vp9.Common;
+using Ryujinx.Graphics.Nvdec.Vp9.Types;
+
+namespace Ryujinx.Graphics.Nvdec.Vp9
+{
+    internal struct InternalFrameBuffer
+    {
+        public ArrayPtr<byte> Data;
+        public bool InUse;
+    }
+
+    internal struct InternalFrameBufferList
+    {
+        public ArrayPtr<InternalFrameBuffer> IntFb;
+    }
+
+    internal static class FrameBuffers
+    {
+        public static int GetFrameBuffer(MemoryAllocator allocator, Ptr<InternalFrameBufferList> cbPriv, ulong minSize,
+            ref VpxCodecFrameBuffer fb)
+        {
+            int i;
+            if (cbPriv.IsNull)
+            {
+                return -1;
+            }
+
+            // Find a free frame buffer.
+            for (i = 0; i < cbPriv.Value.IntFb.Length; ++i)
+            {
+                if (!cbPriv.Value.IntFb[i].InUse)
+                {
+                    break;
+                }
+            }
+
+            if (i == cbPriv.Value.IntFb.Length)
+            {
+                return -1;
+            }
+
+            if ((ulong)cbPriv.Value.IntFb[i].Data.Length < minSize)
+            {
+                if (!cbPriv.Value.IntFb[i].Data.IsNull)
+                {
+                    allocator.Free(cbPriv.Value.IntFb[i].Data);
+                }
+
+                // The data must be zeroed to fix a valgrind error from the C loop filter
+                // due to access uninitialized memory in frame border. It could be
+                // skipped if border were totally removed.
+                cbPriv.Value.IntFb[i].Data = allocator.Allocate<byte>((int)minSize);
+                if (cbPriv.Value.IntFb[i].Data.IsNull)
+                {
+                    return -1;
+                }
+            }
+
+            fb.Data = cbPriv.Value.IntFb[i].Data;
+            cbPriv.Value.IntFb[i].InUse = true;
+
+            // Set the frame buffer's private data to point at the internal frame buffer.
+            fb.Priv = new Ptr<InternalFrameBuffer>(ref cbPriv.Value.IntFb[i]);
+            return 0;
+        }
+
+        public static int ReleaseFrameBuffer(Ptr<InternalFrameBufferList> cbPriv, ref VpxCodecFrameBuffer fb)
+        {
+            if (!fb.Priv.IsNull)
+            {
+                fb.Priv.Value.InUse = false;
+            }
+
+            return 0;
+        }
+    }
+}

src/Ryujinx.Graphics.Nvdec.Vp9/Idct.cs

@@ -1,4 +1,4 @@
-using Ryujinx.Graphics.Nvdec.Vp9.Common;
+using Ryujinx.Graphics.Nvdec.Vp9.Common;
 using Ryujinx.Graphics.Nvdec.Vp9.Types;
 using System;
 using static Ryujinx.Graphics.Nvdec.Vp9.Dsp.InvTxfm;
@@ -8,11 +8,13 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
     internal static class Idct
     {
         private delegate void Transform1D(ReadOnlySpan<int> input, Span<int> output);
+
         private delegate void HighbdTransform1D(ReadOnlySpan<int> input, Span<int> output, int bd);
 
         private struct Transform2D
         {
-            public Transform1D Cols, Rows; // Vertical and horizontal
+            public readonly Transform1D Cols; // Vertical and horizontal
+            public readonly Transform1D Rows; // Vertical and horizontal
 
             public Transform2D(Transform1D cols, Transform1D rows)
             {
@@ -23,7 +25,8 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
 
         private struct HighbdTransform2D
         {
-            public HighbdTransform1D Cols, Rows; // Vertical and horizontal
+            public readonly HighbdTransform1D Cols; // Vertical and horizontal
+            public readonly HighbdTransform1D Rows; // Vertical and horizontal
 
             public HighbdTransform2D(HighbdTransform1D cols, HighbdTransform1D rows)
             {
@@ -32,55 +35,56 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             }
         }
 
-        private static readonly Transform2D[] _iht4 = {
+        private static readonly Transform2D[] _iht4 =
+        [
             new(Idct4, Idct4), // DCT_DCT  = 0
             new(Iadst4, Idct4), // ADST_DCT = 1
             new(Idct4, Iadst4), // DCT_ADST = 2
-            new(Iadst4, Iadst4), // ADST_ADST = 3
-        };
+            new(Iadst4, Iadst4) // ADST_ADST = 3
+        ];
 
-        public static void Iht4x416Add(ReadOnlySpan<int> input, Span<byte> dest, int stride, int txType)
+        public static void Iht4X416Add(ReadOnlySpan<int> input, Span<byte> dest, int stride, int txType)
         {
-            int i, j;
             Span<int> output = stackalloc int[4 * 4];
             Span<int> outptr = output;
             Span<int> tempIn = stackalloc int[4];
             Span<int> tempOut = stackalloc int[4];
 
             // Inverse transform row vectors
-            for (i = 0; i < 4; ++i)
+            for (int i = 0; i < 4; ++i)
             {
                 _iht4[txType].Rows(input, outptr);
-                input = input[4..];
-                outptr = outptr[4..];
+                input = input.Slice(4);
+                outptr = outptr.Slice(4);
             }
 
             // Inverse transform column vectors
-            for (i = 0; i < 4; ++i)
+            for (int i = 0; i < 4; ++i)
             {
-                for (j = 0; j < 4; ++j)
+                for (int j = 0; j < 4; ++j)
                 {
-                    tempIn[j] = output[j * 4 + i];
+                    tempIn[j] = output[(j * 4) + i];
                 }
 
                 _iht4[txType].Cols(tempIn, tempOut);
-                for (j = 0; j < 4; ++j)
+                for (int j = 0; j < 4; ++j)
                 {
-                    dest[j * stride + i] = ClipPixelAdd(dest[j * stride + i], BitUtils.RoundPowerOfTwo(tempOut[j], 4));
+                    dest[(j * stride) + i] =
+                        ClipPixelAdd(dest[(j * stride) + i], BitUtils.RoundPowerOfTwo(tempOut[j], 4));
                 }
             }
         }
 
-        private static readonly Transform2D[] _iht8 = {
+        private static readonly Transform2D[] _iht8 =
+        [
             new(Idct8, Idct8), // DCT_DCT  = 0
             new(Iadst8, Idct8), // ADST_DCT = 1
             new(Idct8, Iadst8), // DCT_ADST = 2
-            new(Iadst8, Iadst8), // ADST_ADST = 3
-        };
+            new(Iadst8, Iadst8) // ADST_ADST = 3
+        ];
 
-        public static void Iht8x864Add(ReadOnlySpan<int> input, Span<byte> dest, int stride, int txType)
+        public static void Iht8X864Add(ReadOnlySpan<int> input, Span<byte> dest, int stride, int txType)
         {
-            int i, j;
             Span<int> output = stackalloc int[8 * 8];
             Span<int> outptr = output;
             Span<int> tempIn = stackalloc int[8];
@@ -88,39 +92,40 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             Transform2D ht = _iht8[txType];
 
             // Inverse transform row vectors
-            for (i = 0; i < 8; ++i)
+            for (int i = 0; i < 8; ++i)
             {
                 ht.Rows(input, outptr);
-                input = input[8..];
-                outptr = outptr[8..];
+                input = input.Slice(8);
+                outptr = outptr.Slice(8);
             }
 
             // Inverse transform column vectors
-            for (i = 0; i < 8; ++i)
+            for (int i = 0; i < 8; ++i)
             {
-                for (j = 0; j < 8; ++j)
+                for (int j = 0; j < 8; ++j)
                 {
-                    tempIn[j] = output[j * 8 + i];
+                    tempIn[j] = output[(j * 8) + i];
                 }
 
                 ht.Cols(tempIn, tempOut);
-                for (j = 0; j < 8; ++j)
+                for (int j = 0; j < 8; ++j)
                 {
-                    dest[j * stride + i] = ClipPixelAdd(dest[j * stride + i], BitUtils.RoundPowerOfTwo(tempOut[j], 5));
+                    dest[(j * stride) + i] =
+                        ClipPixelAdd(dest[(j * stride) + i], BitUtils.RoundPowerOfTwo(tempOut[j], 5));
                 }
             }
         }
 
-        private static readonly Transform2D[] _iht16 = {
+        private static readonly Transform2D[] _iht16 =
+        [
             new(Idct16, Idct16), // DCT_DCT  = 0
             new(Iadst16, Idct16), // ADST_DCT = 1
             new(Idct16, Iadst16), // DCT_ADST = 2
-            new(Iadst16, Iadst16), // ADST_ADST = 3
-        };
+            new(Iadst16, Iadst16) // ADST_ADST = 3
+        ];
 
-        public static void Iht16x16256Add(ReadOnlySpan<int> input, Span<byte> dest, int stride, int txType)
+        public static void Iht16X16256Add(ReadOnlySpan<int> input, Span<byte> dest, int stride, int txType)
         {
-            int i, j;
             Span<int> output = stackalloc int[16 * 16];
             Span<int> outptr = output;
             Span<int> tempIn = stackalloc int[16];
@@ -128,55 +133,56 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             Transform2D ht = _iht16[txType];
 
             // Rows
-            for (i = 0; i < 16; ++i)
+            for (int i = 0; i < 16; ++i)
             {
                 ht.Rows(input, outptr);
-                input = input[16..];
-                outptr = outptr[16..];
+                input = input.Slice(16);
+                outptr = outptr.Slice(16);
             }
 
             // Columns
-            for (i = 0; i < 16; ++i)
+            for (int i = 0; i < 16; ++i)
             {
-                for (j = 0; j < 16; ++j)
+                for (int j = 0; j < 16; ++j)
                 {
-                    tempIn[j] = output[j * 16 + i];
+                    tempIn[j] = output[(j * 16) + i];
                 }
 
                 ht.Cols(tempIn, tempOut);
-                for (j = 0; j < 16; ++j)
+                for (int j = 0; j < 16; ++j)
                 {
-                    dest[j * stride + i] = ClipPixelAdd(dest[j * stride + i], BitUtils.RoundPowerOfTwo(tempOut[j], 6));
+                    dest[(j * stride) + i] =
+                        ClipPixelAdd(dest[(j * stride) + i], BitUtils.RoundPowerOfTwo(tempOut[j], 6));
                 }
             }
         }
 
         // Idct
-        public static void Idct4x4Add(ReadOnlySpan<int> input, Span<byte> dest, int stride, int eob)
+        public static void Idct4X4Add(ReadOnlySpan<int> input, Span<byte> dest, int stride, int eob)
         {
             if (eob > 1)
             {
-                Idct4x416Add(input, dest, stride);
+                Idct4X416Add(input, dest, stride);
             }
             else
             {
-                Idct4x41Add(input, dest, stride);
+                Idct4X41Add(input, dest, stride);
             }
         }
 
-        public static void Iwht4x4Add(ReadOnlySpan<int> input, Span<byte> dest, int stride, int eob)
+        public static void Iwht4X4Add(ReadOnlySpan<int> input, Span<byte> dest, int stride, int eob)
         {
             if (eob > 1)
             {
-                Iwht4x416Add(input, dest, stride);
+                Iwht4X416Add(input, dest, stride);
             }
             else
             {
-                Iwht4x41Add(input, dest, stride);
+                Iwht4X41Add(input, dest, stride);
             }
         }
 
-        public static void Idct8x8Add(ReadOnlySpan<int> input, Span<byte> dest, int stride, int eob)
+        public static void Idct8X8Add(ReadOnlySpan<int> input, Span<byte> dest, int stride, int eob)
         {
             // If dc is 1, then input[0] is the reconstructed value, do not need
             // dequantization. Also, when dc is 1, dc is counted in eobs, namely eobs >=1.
@@ -186,149 +192,150 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             if (eob == 1)
             {
                 // DC only DCT coefficient
-                Idct8x81Add(input, dest, stride);
+                Idct8X81Add(input, dest, stride);
             }
             else if (eob <= 12)
             {
-                Idct8x812Add(input, dest, stride);
+                Idct8X812Add(input, dest, stride);
             }
             else
             {
-                Idct8x864Add(input, dest, stride);
+                Idct8X864Add(input, dest, stride);
             }
         }
 
-        public static void Idct16x16Add(ReadOnlySpan<int> input, Span<byte> dest, int stride, int eob)
+        public static void Idct16X16Add(ReadOnlySpan<int> input, Span<byte> dest, int stride, int eob)
         {
             /* The calculation can be simplified if there are not many non-zero dct
              * coefficients. Use eobs to separate different cases. */
             if (eob == 1) /* DC only DCT coefficient. */
             {
-                Idct16x161Add(input, dest, stride);
+                Idct16X161Add(input, dest, stride);
             }
             else if (eob <= 10)
             {
-                Idct16x1610Add(input, dest, stride);
+                Idct16X1610Add(input, dest, stride);
             }
             else if (eob <= 38)
             {
-                Idct16x1638Add(input, dest, stride);
+                Idct16X1638Add(input, dest, stride);
             }
             else
             {
-                Idct16x16256Add(input, dest, stride);
+                Idct16X16256Add(input, dest, stride);
             }
         }
 
-        public static void Idct32x32Add(ReadOnlySpan<int> input, Span<byte> dest, int stride, int eob)
+        public static void Idct32X32Add(ReadOnlySpan<int> input, Span<byte> dest, int stride, int eob)
         {
             if (eob == 1)
             {
-                Idct32x321Add(input, dest, stride);
+                Idct32X321Add(input, dest, stride);
             }
             else if (eob <= 34)
             {
                 // Non-zero coeff only in upper-left 8x8
-                Idct32x3234Add(input, dest, stride);
+                Idct32X3234Add(input, dest, stride);
             }
             else if (eob <= 135)
             {
                 // Non-zero coeff only in upper-left 16x16
-                Idct32x32135Add(input, dest, stride);
+                Idct32X32135Add(input, dest, stride);
             }
             else
             {
-                Idct32x321024Add(input, dest, stride);
+                Idct32X321024Add(input, dest, stride);
             }
         }
 
         // Iht
-        public static void Iht4x4Add(TxType txType, ReadOnlySpan<int> input, Span<byte> dest, int stride, int eob)
+        public static void Iht4X4Add(TxType txType, ReadOnlySpan<int> input, Span<byte> dest, int stride, int eob)
         {
             if (txType == TxType.DctDct)
             {
-                Idct4x4Add(input, dest, stride, eob);
+                Idct4X4Add(input, dest, stride, eob);
             }
             else
             {
-                Iht4x416Add(input, dest, stride, (int)txType);
+                Iht4X416Add(input, dest, stride, (int)txType);
             }
         }
 
-        public static void Iht8x8Add(TxType txType, ReadOnlySpan<int> input, Span<byte> dest, int stride, int eob)
+        public static void Iht8X8Add(TxType txType, ReadOnlySpan<int> input, Span<byte> dest, int stride, int eob)
         {
             if (txType == TxType.DctDct)
             {
-                Idct8x8Add(input, dest, stride, eob);
+                Idct8X8Add(input, dest, stride, eob);
             }
             else
             {
-                Iht8x864Add(input, dest, stride, (int)txType);
+                Iht8X864Add(input, dest, stride, (int)txType);
             }
         }
 
-        public static void Iht16x16Add(TxType txType, ReadOnlySpan<int> input, Span<byte> dest,
-                              int stride, int eob)
+        public static void Iht16X16Add(TxType txType, ReadOnlySpan<int> input, Span<byte> dest,
+            int stride, int eob)
         {
             if (txType == TxType.DctDct)
             {
-                Idct16x16Add(input, dest, stride, eob);
+                Idct16X16Add(input, dest, stride, eob);
             }
             else
             {
-                Iht16x16256Add(input, dest, stride, (int)txType);
+                Iht16X16256Add(input, dest, stride, (int)txType);
             }
         }
 
-        private static readonly HighbdTransform2D[] _highbdIht4 = {
+        private static readonly HighbdTransform2D[] _highbdIht4 =
+        [
             new(HighbdIdct4, HighbdIdct4), // DCT_DCT  = 0
             new(HighbdIadst4, HighbdIdct4), // ADST_DCT = 1
             new(HighbdIdct4, HighbdIadst4), // DCT_ADST = 2
-            new(HighbdIadst4, HighbdIadst4), // ADST_ADST = 3
-        };
+            new(HighbdIadst4, HighbdIadst4) // ADST_ADST = 3
+        ];
 
-        public static void HighbdIht4x416Add(ReadOnlySpan<int> input, Span<ushort> dest, int stride, int txType, int bd)
+        public static void HighbdIht4X416Add(ReadOnlySpan<int> input, Span<ushort> dest, int stride, int txType, int bd)
         {
-            int i, j;
             Span<int> output = stackalloc int[4 * 4];
             Span<int> outptr = output;
             Span<int> tempIn = stackalloc int[4];
             Span<int> tempOut = stackalloc int[4];
 
             // Inverse transform row vectors.
-            for (i = 0; i < 4; ++i)
+            for (int i = 0; i < 4; ++i)
             {
                 _highbdIht4[txType].Rows(input, outptr, bd);
-                input = input[4..];
-                outptr = outptr[4..];
+                input = input.Slice(4);
+                outptr = outptr.Slice(4);
             }
 
             // Inverse transform column vectors.
-            for (i = 0; i < 4; ++i)
+            for (int i = 0; i < 4; ++i)
             {
-                for (j = 0; j < 4; ++j)
+                for (int j = 0; j < 4; ++j)
                 {
-                    tempIn[j] = output[j * 4 + i];
+                    tempIn[j] = output[(j * 4) + i];
                 }
 
                 _highbdIht4[txType].Cols(tempIn, tempOut, bd);
-                for (j = 0; j < 4; ++j)
+                for (int j = 0; j < 4; ++j)
                 {
-                    dest[j * stride + i] = HighbdClipPixelAdd(dest[j * stride + i], BitUtils.RoundPowerOfTwo(tempOut[j], 4), bd);
+                    dest[(j * stride) + i] = HighbdClipPixelAdd(dest[(j * stride) + i],
+                        BitUtils.RoundPowerOfTwo(tempOut[j], 4), bd);
                 }
             }
         }
 
-        private static readonly HighbdTransform2D[] _highIht8 = {
+        private static readonly HighbdTransform2D[] _highIht8 =
+        [
             new(HighbdIdct8, HighbdIdct8), // DCT_DCT  = 0
             new(HighbdIadst8, HighbdIdct8), // ADST_DCT = 1
             new(HighbdIdct8, HighbdIadst8), // DCT_ADST = 2
-            new(HighbdIadst8, HighbdIadst8), // ADST_ADST = 3
-        };
+            new(HighbdIadst8, HighbdIadst8) // ADST_ADST = 3
+        ];
 
-        public static void HighbdIht8x864Add(ReadOnlySpan<int> input, Span<ushort> dest, int stride, int txType, int bd)
+        public static void HighbdIht8X864Add(ReadOnlySpan<int> input, Span<ushort> dest, int stride, int txType, int bd)
         {
-            int i, j;
             Span<int> output = stackalloc int[8 * 8];
             Span<int> outptr = output;
             Span<int> tempIn = stackalloc int[8];
@@ -336,39 +343,41 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             HighbdTransform2D ht = _highIht8[txType];
 
             // Inverse transform row vectors.
-            for (i = 0; i < 8; ++i)
+            for (int i = 0; i < 8; ++i)
             {
                 ht.Rows(input, outptr, bd);
-                input = input[8..];
-                outptr = output[8..];
+                input = input.Slice(8);
+                outptr = output.Slice(8);
             }
 
             // Inverse transform column vectors.
-            for (i = 0; i < 8; ++i)
+            for (int i = 0; i < 8; ++i)
             {
-                for (j = 0; j < 8; ++j)
+                for (int j = 0; j < 8; ++j)
                 {
-                    tempIn[j] = output[j * 8 + i];
+                    tempIn[j] = output[(j * 8) + i];
                 }
 
                 ht.Cols(tempIn, tempOut, bd);
-                for (j = 0; j < 8; ++j)
+                for (int j = 0; j < 8; ++j)
                 {
-                    dest[j * stride + i] = HighbdClipPixelAdd(dest[j * stride + i], BitUtils.RoundPowerOfTwo(tempOut[j], 5), bd);
+                    dest[(j * stride) + i] = HighbdClipPixelAdd(dest[(j * stride) + i],
+                        BitUtils.RoundPowerOfTwo(tempOut[j], 5), bd);
                 }
             }
         }
 
-        private static readonly HighbdTransform2D[] _highIht16 = {
+        private static readonly HighbdTransform2D[] _highIht16 =
+        [
             new(HighbdIdct16, HighbdIdct16), // DCT_DCT  = 0
             new(HighbdIadst16, HighbdIdct16), // ADST_DCT = 1
             new(HighbdIdct16, HighbdIadst16), // DCT_ADST = 2
-            new(HighbdIadst16, HighbdIadst16), // ADST_ADST = 3
-        };
+            new(HighbdIadst16, HighbdIadst16) // ADST_ADST = 3
+        ];
 
-        public static void HighbdIht16x16256Add(ReadOnlySpan<int> input, Span<ushort> dest, int stride, int txType, int bd)
+        public static void HighbdIht16X16256Add(ReadOnlySpan<int> input, Span<ushort> dest, int stride, int txType,
+            int bd)
         {
-            int i, j;
             Span<int> output = stackalloc int[16 * 16];
             Span<int> outptr = output;
             Span<int> tempIn = stackalloc int[16];
@@ -376,55 +385,56 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             HighbdTransform2D ht = _highIht16[txType];
 
             // Rows
-            for (i = 0; i < 16; ++i)
+            for (int i = 0; i < 16; ++i)
             {
                 ht.Rows(input, outptr, bd);
-                input = input[16..];
-                outptr = output[16..];
+                input = input.Slice(16);
+                outptr = output.Slice(16);
             }
 
             // Columns
-            for (i = 0; i < 16; ++i)
+            for (int i = 0; i < 16; ++i)
             {
-                for (j = 0; j < 16; ++j)
+                for (int j = 0; j < 16; ++j)
                 {
-                    tempIn[j] = output[j * 16 + i];
+                    tempIn[j] = output[(j * 16) + i];
                 }
 
                 ht.Cols(tempIn, tempOut, bd);
-                for (j = 0; j < 16; ++j)
+                for (int j = 0; j < 16; ++j)
                 {
-                    dest[j * stride + i] = HighbdClipPixelAdd(dest[j * stride + i], BitUtils.RoundPowerOfTwo(tempOut[j], 6), bd);
+                    dest[(j * stride) + i] = HighbdClipPixelAdd(dest[(j * stride) + i],
+                        BitUtils.RoundPowerOfTwo(tempOut[j], 6), bd);
                 }
             }
         }
 
         // Idct
-        public static void HighbdIdct4x4Add(ReadOnlySpan<int> input, Span<ushort> dest, int stride, int eob, int bd)
+        public static void HighbdIdct4X4Add(ReadOnlySpan<int> input, Span<ushort> dest, int stride, int eob, int bd)
         {
             if (eob > 1)
             {
-                HighbdIdct4x416Add(input, dest, stride, bd);
+                HighbdIdct4X416Add(input, dest, stride, bd);
             }
             else
             {
-                HighbdIdct4x41Add(input, dest, stride, bd);
+                HighbdIdct4X41Add(input, dest, stride, bd);
             }
         }
 
-        public static void HighbdIwht4x4Add(ReadOnlySpan<int> input, Span<ushort> dest, int stride, int eob, int bd)
+        public static void HighbdIwht4X4Add(ReadOnlySpan<int> input, Span<ushort> dest, int stride, int eob, int bd)
         {
             if (eob > 1)
             {
-                HighbdIwht4x416Add(input, dest, stride, bd);
+                HighbdIwht4X416Add(input, dest, stride, bd);
             }
             else
             {
-                HighbdIwht4x41Add(input, dest, stride, bd);
+                HighbdIwht4X41Add(input, dest, stride, bd);
             }
         }
 
-        public static void HighbdIdct8x8Add(ReadOnlySpan<int> input, Span<ushort> dest, int stride, int eob, int bd)
+        public static void HighbdIdct8X8Add(ReadOnlySpan<int> input, Span<ushort> dest, int stride, int eob, int bd)
         {
             // If dc is 1, then input[0] is the reconstructed value, do not need
             // dequantization. Also, when dc is 1, dc is counted in eobs, namely eobs >=1.
@@ -434,97 +444,100 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
             // DC only DCT coefficient
             if (eob == 1)
             {
-                Vpx_Highbdidct8x8_1_add_c(input, dest, stride, bd);
+                VpxHighbdidct8X81AddC(input, dest, stride, bd);
             }
             else if (eob <= 12)
             {
-                HighbdIdct8x812Add(input, dest, stride, bd);
+                HighbdIdct8X812Add(input, dest, stride, bd);
             }
             else
             {
-                HighbdIdct8x864Add(input, dest, stride, bd);
+                HighbdIdct8X864Add(input, dest, stride, bd);
             }
         }
 
-        public static void HighbdIdct16x16Add(ReadOnlySpan<int> input, Span<ushort> dest, int stride, int eob, int bd)
+        public static void HighbdIdct16X16Add(ReadOnlySpan<int> input, Span<ushort> dest, int stride, int eob, int bd)
         {
             // The calculation can be simplified if there are not many non-zero dct
             // coefficients. Use eobs to separate different cases.
             // DC only DCT coefficient.
             if (eob == 1)
             {
-                HighbdIdct16x161Add(input, dest, stride, bd);
+                HighbdIdct16X161Add(input, dest, stride, bd);
             }
             else if (eob <= 10)
             {
-                HighbdIdct16x1610Add(input, dest, stride, bd);
+                HighbdIdct16X1610Add(input, dest, stride, bd);
             }
             else if (eob <= 38)
             {
-                HighbdIdct16x1638Add(input, dest, stride, bd);
+                HighbdIdct16X1638Add(input, dest, stride, bd);
             }
             else
             {
-                HighbdIdct16x16256Add(input, dest, stride, bd);
+                HighbdIdct16X16256Add(input, dest, stride, bd);
             }
         }
 
-        public static void HighbdIdct32x32Add(ReadOnlySpan<int> input, Span<ushort> dest, int stride, int eob, int bd)
+        public static void HighbdIdct32X32Add(ReadOnlySpan<int> input, Span<ushort> dest, int stride, int eob, int bd)
         {
             // Non-zero coeff only in upper-left 8x8
             if (eob == 1)
             {
-                HighbdIdct32x321Add(input, dest, stride, bd);
+                HighbdIdct32X321Add(input, dest, stride, bd);
             }
             else if (eob <= 34)
             {
-                HighbdIdct32x3234Add(input, dest, stride, bd);
+                HighbdIdct32X3234Add(input, dest, stride, bd);
             }
             else if (eob <= 135)
             {
-                HighbdIdct32x32135Add(input, dest, stride, bd);
+                HighbdIdct32X32135Add(input, dest, stride, bd);
             }
             else
             {
-                HighbdIdct32x321024Add(input, dest, stride, bd);
+                HighbdIdct32X321024Add(input, dest, stride, bd);
             }
         }
 
         // Iht
-        public static void HighbdIht4x4Add(TxType txType, ReadOnlySpan<int> input, Span<ushort> dest, int stride, int eob, int bd)
+        public static void HighbdIht4X4Add(TxType txType, ReadOnlySpan<int> input, Span<ushort> dest, int stride,
+            int eob, int bd)
         {
             if (txType == TxType.DctDct)
             {
-                HighbdIdct4x4Add(input, dest, stride, eob, bd);
+                HighbdIdct4X4Add(input, dest, stride, eob, bd);
             }
             else
             {
-                HighbdIht4x416Add(input, dest, stride, (int)txType, bd);
+                HighbdIht4X416Add(input, dest, stride, (int)txType, bd);
             }
         }
 
-        public static void HighbdIht8x8Add(TxType txType, ReadOnlySpan<int> input, Span<ushort> dest, int stride, int eob, int bd)
+        public static void HighbdIht8X8Add(TxType txType, ReadOnlySpan<int> input, Span<ushort> dest, int stride,
+            int eob, int bd)
         {
             if (txType == TxType.DctDct)
             {
-                HighbdIdct8x8Add(input, dest, stride, eob, bd);
+                HighbdIdct8X8Add(input, dest, stride, eob, bd);
             }
             else
             {
-                HighbdIht8x864Add(input, dest, stride, (int)txType, bd);
+                HighbdIht8X864Add(input, dest, stride, (int)txType, bd);
             }
         }
 
-        public static void HighbdIht16x16Add(TxType txType, ReadOnlySpan<int> input, Span<ushort> dest, int stride, int eob, int bd)
+        public static void HighbdIht16X16Add(TxType txType, ReadOnlySpan<int> input, Span<ushort> dest, int stride,
+            int eob, int bd)
         {
             if (txType == TxType.DctDct)
             {
-                HighbdIdct16x16Add(input, dest, stride, eob, bd);
+                HighbdIdct16X16Add(input, dest, stride, eob, bd);
             }
             else
             {
-                HighbdIht16x16256Add(input, dest, stride, (int)txType, bd);
+                HighbdIht16X16256Add(input, dest, stride, (int)txType, bd);
             }
         }
     }
-}
+}