Implement textureSamples texture query shader instruction (#5750)

* Implement textureSamples texture query shader instruction

* Shader cache version bump

1 files changed, 27 insertions, 1 deletions

diff --git a/src/Ryujinx.Graphics.Shader/CodeGen/Glsl/Instructions/InstGenMemory.cs b/src/Ryujinx.Graphics.Shader/CodeGen/Glsl/Instructions/InstGenMemory.cs
index a1f92d11..7510e887 100644
--- a/src/Ryujinx.Graphics.Shader/CodeGen/Glsl/Instructions/InstGenMemory.cs
+++ b/src/Ryujinx.Graphics.Shader/CodeGen/Glsl/Instructions/InstGenMemory.cs
@@ -517,7 +517,33 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
             return texCall;
         }
 
-        public static string TextureSize(CodeGenContext context, AstOperation operation)
+        public static string TextureQuerySamples(CodeGenContext context, AstOperation operation)
+        {
+            AstTextureOperation texOp = (AstTextureOperation)operation;
+
+            bool isBindless = (texOp.Flags & TextureFlags.Bindless) != 0;
+
+            // TODO: Bindless texture support. For now we just return 0.
+            if (isBindless)
+            {
+                return NumberFormatter.FormatInt(0);
+            }
+
+            bool isIndexed = (texOp.Type & SamplerType.Indexed) != 0;
+
+            string indexExpr = null;
+
+            if (isIndexed)
+            {
+                indexExpr = GetSoureExpr(context, texOp.GetSource(0), AggregateType.S32);
+            }
+
+            string samplerName = GetSamplerName(context.Properties, texOp, indexExpr);
+
+            return $"textureSamples({samplerName})";
+        }
+
+        public static string TextureQuerySize(CodeGenContext context, AstOperation operation)
         {
             AstTextureOperation texOp = (AstTextureOperation)operation;