Allow SNorm buffer texture formats on Vulkan (#3957)

* Allow SNorm buffer texture formats on Vulkan

* Shader cache version bump

2 files changed, 11 insertions, 1 deletions

diff --git a/Ryujinx.Graphics.Shader/IGpuAccessor.cs b/Ryujinx.Graphics.Shader/IGpuAccessor.cs
index cc690eed..337bd314 100644
--- a/Ryujinx.Graphics.Shader/IGpuAccessor.cs
+++ b/Ryujinx.Graphics.Shader/IGpuAccessor.cs
@@ -286,6 +286,15 @@ namespace Ryujinx.Graphics.Shader
         }
 
         /// <summary>
+        /// Queries host GPU support for signed normalized buffer texture formats.
+        /// </summary>
+        /// <returns>True if the GPU and driver supports the formats, false otherwise</returns>
+        bool QueryHostSupportsSnormBufferTextureFormat()
+        {
+            return true;
+        }
+
+        /// <summary>
         /// Queries host GPU texture shadow LOD support.
         /// </summary>
         /// <returns>True if the GPU and driver supports texture shadow LOD, false otherwise</returns>
diff --git a/Ryujinx.Graphics.Shader/Translation/Rewriter.cs b/Ryujinx.Graphics.Shader/Translation/Rewriter.cs
index 640717f9..bdd9b791 100644
--- a/Ryujinx.Graphics.Shader/Translation/Rewriter.cs
+++ b/Ryujinx.Graphics.Shader/Translation/Rewriter.cs
@@ -14,6 +14,7 @@ namespace Ryujinx.Graphics.Shader.Translation
         {
             bool isVertexShader = config.Stage == ShaderStage.Vertex;
             bool hasConstantBufferDrawParameters = config.GpuAccessor.QueryHasConstantBufferDrawParameters();
+            bool supportsSnormBufferTextureFormat = config.GpuAccessor.QueryHostSupportsSnormBufferTextureFormat();
 
             for (int blkIndex = 0; blkIndex < blocks.Length; blkIndex++)
             {
@@ -52,7 +53,7 @@ namespace Ryujinx.Graphics.Shader.Translation
                         {
                             node = RewriteTextureSample(node, config);
 
-                            if (texOp.Type == SamplerType.TextureBuffer)
+                            if (texOp.Type == SamplerType.TextureBuffer && !supportsSnormBufferTextureFormat)
                             {
                                 node = InsertSnormNormalization(node, config);
                             }