From b4d0f10568214e25f07b738175f39f14c7583fbc Mon Sep 17 00:00:00 2001
From: KeatonTheBot <keaton@ryujinx.app>
Date: Wed, 4 Mar 2026 16:43:46 -0600
Subject: [PATCH] Vulkan: Add A8B8G8R8 texture format

Co-authored-by: Stossy11 <stossy11@stossy11.com>
---
 src/Ryujinx.Graphics.GAL/Format.cs                | 3 +++
 src/Ryujinx.Graphics.Gpu/Image/FormatTable.cs     | 2 ++
 src/Ryujinx.Graphics.Vulkan/FormatCapabilities.cs | 3 +++
 3 files changed, 8 insertions(+)

diff --git a/src/Ryujinx.Graphics.GAL/Format.cs b/src/Ryujinx.Graphics.GAL/Format.cs
index dbd3cb461..9d0ae5a57 100644
--- a/src/Ryujinx.Graphics.GAL/Format.cs
+++ b/src/Ryujinx.Graphics.GAL/Format.cs
@@ -149,6 +149,7 @@ namespace Ryujinx.Graphics.GAL
         B8G8R8A8Srgb,
         B10G10R10A2Unorm,
         X8UintD24Unorm,
+        A8B8G8R8Uint,
     }
 
     public static class FormatExtensions
@@ -183,6 +184,7 @@ namespace Ryujinx.Graphics.GAL
                 case Format.R8G8B8A8Snorm:
                 case Format.R8G8B8A8Uint:
                 case Format.R8G8B8A8Sint:
+                case Format.A8B8G8R8Uint:
                 case Format.R8G8B8A8Srgb:
                 case Format.R4G4Unorm:
                 case Format.R8Uscaled:
@@ -656,6 +658,7 @@ namespace Ryujinx.Graphics.GAL
                 case Format.R32Uint:
                 case Format.R8G8Uint:
                 case Format.R16G16Uint:
+                case Format.A8B8G8R8Uint:
                 case Format.R32G32Uint:
                 case Format.R8G8B8Uint:
                 case Format.R16G16B16Uint:
diff --git a/src/Ryujinx.Graphics.Gpu/Image/FormatTable.cs b/src/Ryujinx.Graphics.Gpu/Image/FormatTable.cs
index da9e5c3a9..085d72e3d 100644
--- a/src/Ryujinx.Graphics.Gpu/Image/FormatTable.cs
+++ b/src/Ryujinx.Graphics.Gpu/Image/FormatTable.cs
@@ -361,6 +361,7 @@ namespace Ryujinx.Graphics.Gpu.Image
             A2B10G10R10Sint     = (A2B10G10R10 << 21)  | (Sint << 27),    // 0x1e000000
             A2B10G10R10Uscaled  = (A2B10G10R10 << 21)  | (Uscaled << 27), // 0x2e000000
             A2B10G10R10Sscaled  = (A2B10G10R10 << 21)  | (Sscaled << 27), // 0x36000000
+            A8B8G8R8Uint        = (A8B8G8R8 << 21)     | (Uint << 27),    // 0x25e00040
         }
 
         private static readonly Dictionary<TextureFormat, FormatInfo> _textureFormats = new()
@@ -556,6 +557,7 @@ namespace Ryujinx.Graphics.Gpu.Image
             { VertexAttributeFormat.A2B10G10R10Sint,     Format.R10G10B10A2Sint     },
             { VertexAttributeFormat.A2B10G10R10Uscaled,  Format.R10G10B10A2Uscaled  },
             { VertexAttributeFormat.A2B10G10R10Sscaled,  Format.R10G10B10A2Sscaled  },
+            { VertexAttributeFormat.A8B8G8R8Uint,        Format.A8B8G8R8Uint        },
         };
 #pragma warning restore IDE0055
 
diff --git a/src/Ryujinx.Graphics.Vulkan/FormatCapabilities.cs b/src/Ryujinx.Graphics.Vulkan/FormatCapabilities.cs
index d09a10c17..4f7244c8a 100644
--- a/src/Ryujinx.Graphics.Vulkan/FormatCapabilities.cs
+++ b/src/Ryujinx.Graphics.Vulkan/FormatCapabilities.cs
@@ -211,6 +211,9 @@ namespace Ryujinx.Graphics.Vulkan
                     case Format.R16G16B16Uint:
                         format = VkFormat.R16G16B16A16Uint;
                         break;
+                    case Format.A8B8G8R8Uint:
+                        format = VkFormat.A8B8G8R8UintPack32;
+                        break;
                     default:
                         Logger.Error?.Print(LogClass.Gpu, $"Format {srcFormat} is not supported by the host.");
                         break;