[clang] [llvm] [HLSL] Implement Texture2D type and Sample method in Clang (PR #177240)

[Steven Perron via cfe-commits]

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@@ -861,8 +861,23 @@ llvm::Type *CommonSPIRTargetCodeGenInfo::getSPIRVImageTypeFromHLSLResource(
       Ty->isSignedIntegerType() ? "spirv.SignedImage" : "spirv.Image";
 
   // Dim
-  // For now we assume everything is a buffer.
-  IntParams[0] = 5;
+  switch (attributes.ResourceDimension) {
+  case llvm::dxil::ResourceDimension::Dimension1D:
+    IntParams[0] = 0;
+    break;
+  case llvm::dxil::ResourceDimension::Dimension2D:
+    IntParams[0] = 1;
+    break;
+  case llvm::dxil::ResourceDimension::Dimension3D:
+    IntParams[0] = 2;
+    break;
+  case llvm::dxil::ResourceDimension::DimensionCube:
+    IntParams[0] = 3;
+    break;
+  case llvm::dxil::ResourceDimension::DimensionUnknown:
+    IntParams[0] = 5;
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s-perron wrote:

I'm not sure which td file you're referring to. However, if you are looking at the SPIRV TD file in the backend that is unavailable in clang.  You can still build clang without the spirv backend

https://github.com/llvm/llvm-project/pull/177240