vkd3d-shader/hlsl: Don't optimize semantic register allocations in SM1.

This matches the behaviour of fxc/d3dcompiler.
This commit is contained in:
Shaun Ren
2025-05-30 16:31:50 -04:00
committed by Henri Verbeet
parent b6ef417e71
commit 2b257caea9
Notes: Henri Verbeet 2025-06-02 21:02:42 +02:00
Approved-by: Elizabeth Figura (@zfigura)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1530

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@@ -6464,6 +6464,8 @@ static void allocate_semantic_register(struct hlsl_ctx *ctx, struct hlsl_ir_var
if ((!output && !var->last_read) || (output && !var->first_write))
return;
optimize = false;
}
else
{