================
@@ -172,6 +172,23 @@ Decl *SemaHLSL::ActOnStartBuffer(Scope *BufferScope, bool
CBuffer,
return Result;
}
+static unsigned calculateLegacyCbufferFieldAlign(const ASTContext &Context,
+ QualType T) {
+ // Arrays and Structs are always aligned to new buffer rows
+ if (T->isArrayType() || T->isStructureType())
+ return 16;
+
+ // Vectors are aligned to the type they contain
+ if (const VectorType *VT = T->getAs<VectorType>())
+ return calculateLegacyCbufferFieldAlign(Context, VT->getElementType());
----------------
V-FEXrt wrote:
Does
https://github.com/llvm/llvm-project/pull/128086/files#diff-7fa57e132f6ce9b16a443061bbb89e859e96d41d35645a64151845840c34c453R77
not do this?
Its testing that 2 `float2`s is the same alignment as 4 `float`s
https://github.com/llvm/llvm-project/pull/128086
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