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vkd3d-shader/hlsl: Forbid output parameters in geometry shaders.

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Outputs in geometry shaders must be written to streams.
This commit is contained in:
Shaun Ren
2025-03-04 19:46:39 -05:00
committed by Henri Verbeet
parent 4137ea5ab7
commit ae5261b98b
Notes: Henri Verbeet 2025-03-12 22:20:50 +01:00 
Approved-by: Elizabeth Figura (@zfigura)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1405
1 changed files with 8 additions and 1 deletions
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9
libs/vkd3d-shader/hlsl_codegen.c
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@@ -12604,6 +12604,9 @@ static void process_entry_function(struct hlsl_ctx *ctx,
if (profile->type == VKD3D_SHADER_TYPE_HULL && !ctx->is_patch_constant_func)
hlsl_error(ctx, &var->loc, VKD3D_SHADER_ERROR_HLSL_INVALID_MODIFIER,
"Output parameters are not supported in hull shader control point functions.");
else if (profile->type == VKD3D_SHADER_TYPE_GEOMETRY)
hlsl_error(ctx, &var->loc, VKD3D_SHADER_ERROR_HLSL_INVALID_MODIFIER,
"Output parameters are not allowed in geometry shaders.");
else
append_output_var_copy(ctx, entry_func, var);
}
@@ -12611,7 +12614,11 @@ static void process_entry_function(struct hlsl_ctx *ctx,
}
if (entry_func->return_var)
{
if (entry_func->return_var->data_type->class != HLSL_CLASS_STRUCT && !entry_func->return_var->semantic.name)
if (profile->type == VKD3D_SHADER_TYPE_GEOMETRY)
hlsl_error(ctx, &entry_func->loc, VKD3D_SHADER_ERROR_HLSL_INCOMPATIBLE_PROFILE,
"Geometry shaders cannot return values.");
else if (entry_func->return_var->data_type->class != HLSL_CLASS_STRUCT
&& !entry_func->return_var->semantic.name)
hlsl_error(ctx, &entry_func->loc, VKD3D_SHADER_ERROR_HLSL_MISSING_SEMANTIC,
"Entry point \"%s\" is missing a return value semantic.", entry_func->func->name);