New subject: [Bug 54872] UAV buffers are not implemented in vkd3d-compiler for sm 5

21 Apr 2023


      https://bugs.winehq.org/show_bug.cgi?id=54872
Bug ID: 54872
           Summary: UAV buffers are not implemented in vkd3d-compiler for
                    sm 5
           Product: vkd3d
           Version: 1.7
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: hlsl
          Assignee: wine-bugs@winehq.org
          Reporter: winehq@sub.monoid.al
      Distribution: ---
Trying to compile a HLSL shader with vkd3d-compiler with any shader model fails
if the shader uses a UAV buffer type (RWBuffer, RWStructuredBuffer,
RWByteAddressBuffer).
These types aren't in the parser, so things fail with something like
`vkd3d-shader-cs-0.hlsl:1:1: E5000: syntax error, unexpected NEW_IDENTIFIER`
Pointing to one of the type names listed above.
An example shader is
```
RWStructuredBuffer<float> foo : register(u0);
[numthreads(1, 1, 1)] void main() {}
```
From the source, it seems like the only UAV types are RWTextures, and there are
codepaths in the compiler which assume that, for example the valid states of
`hlsl_type::sampler_dim`.
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[Bug 54872] New: UAV buffers are not implemented in vkd3d-compiler for sm 5