From f95b7c58779f01d9077996da67953d8d9acd058c Mon Sep 17 00:00:00 2001
From: gdkchan <gab.dark.100@gmail.com>
Date: Sat, 29 Jul 2023 18:47:03 -0300
Subject: Fix incorrect fragment origin when YNegate is enabled (#4673)

* Fix incorrect fragment origin when YNegate is enabled

* Shader cache version bump

* Do not update support buffer if shader does not read gl_FragCoord

* Pass unscaled viewport size to the support buffer
---
 .../Shader/DiskCache/DiskCacheGpuAccessor.cs                     | 6 ++++++
 .../Shader/DiskCache/DiskCacheHostStorage.cs                     | 9 ++++++++-
 2 files changed, 14 insertions(+), 1 deletion(-)

(limited to 'src/Ryujinx.Graphics.Gpu/Shader/DiskCache')

diff --git a/src/Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheGpuAccessor.cs b/src/Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheGpuAccessor.cs
index 7f01aca6..b5f9395e 100644
--- a/src/Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheGpuAccessor.cs
+++ b/src/Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheGpuAccessor.cs
@@ -247,6 +247,12 @@ namespace Ryujinx.Graphics.Gpu.Shader.DiskCache
             return _oldSpecState.GraphicsState.ViewportTransformDisable;
         }
 
+        /// <inheritdoc/>
+        public bool QueryYNegateEnabled()
+        {
+            return _oldSpecState.GraphicsState.YNegateEnabled;
+        }
+
         /// <inheritdoc/>
         public void RegisterTexture(int handle, int cbufSlot)
         {
diff --git a/src/Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheHostStorage.cs b/src/Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheHostStorage.cs
index 672b3b8d..4bab165d 100644
--- a/src/Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheHostStorage.cs
+++ b/src/Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheHostStorage.cs
@@ -22,7 +22,7 @@ namespace Ryujinx.Graphics.Gpu.Shader.DiskCache
         private const ushort FileFormatVersionMajor = 1;
         private const ushort FileFormatVersionMinor = 2;
         private const uint FileFormatVersionPacked = ((uint)FileFormatVersionMajor << 16) | FileFormatVersionMinor;
-        private const uint CodeGenVersion = 5266;
+        private const uint CodeGenVersion = 4675;
 
         private const string SharedTocFileName = "shared.toc";
         private const string SharedDataFileName = "shared.data";
@@ -140,6 +140,11 @@ namespace Ryujinx.Graphics.Gpu.Shader.DiskCache
             /// </summary>
             public ShaderStage Stage;
 
+            /// <summary>
+            /// Indicates if the fragment shader accesses the fragment coordinate built-in variable.
+            /// </summary>
+            public bool UsesFragCoord;
+
             /// <summary>
             /// Indicates if the shader accesses the Instance ID built-in variable.
             /// </summary>
@@ -781,6 +786,7 @@ namespace Ryujinx.Graphics.Gpu.Shader.DiskCache
                 ShaderIdentification.None,
                 0,
                 dataInfo.Stage,
+                dataInfo.UsesFragCoord,
                 dataInfo.UsesInstanceId,
                 dataInfo.UsesDrawParameters,
                 dataInfo.UsesRtLayer,
@@ -807,6 +813,7 @@ namespace Ryujinx.Graphics.Gpu.Shader.DiskCache
                 TexturesCount = (ushort)info.Textures.Count,
                 ImagesCount = (ushort)info.Images.Count,
                 Stage = info.Stage,
+                UsesFragCoord = info.UsesFragCoord,
                 UsesInstanceId = info.UsesInstanceId,
                 UsesDrawParameters = info.UsesDrawParameters,
                 UsesRtLayer = info.UsesRtLayer,
-- 
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