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vkd3d-shader/hlsl: Forbid referring to typedefs with "struct".

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This commit is contained in:
Elizabeth Figura
2025-05-13 12:39:46 -05:00
committed by Henri Verbeet
parent 8ca50a2f7e
commit c1adf54a44
Notes: Henri Verbeet 2025-05-14 15:29:22 +02:00 
Approved-by: Francisco Casas (@fcasas)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1500
3 changed files with 5 additions and 2 deletions
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2
libs/vkd3d-shader/hlsl.h
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@@ -234,6 +234,8 @@ struct hlsl_type
/* Offset where the type's description starts in the output bytecode, in bytes. */
size_t bytecode_offset;
bool is_typedef;
uint32_t is_minimum_precision : 1;
};

3
libs/vkd3d-shader/hlsl.y
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@@ -1183,6 +1183,7 @@ static bool add_typedef(struct hlsl_ctx *ctx, struct hlsl_type *const orig_type,
vkd3d_free((void *)type->name);
type->name = v->name;
type->is_typedef = true;
ret = hlsl_scope_add_type(ctx->cur_scope, type);
if (!ret)
@@ -8219,7 +8220,7 @@ type_no_void:
| KW_STRUCT TYPE_IDENTIFIER
{
$$ = hlsl_get_type(ctx->cur_scope, $2, true, true);
if ($$->class != HLSL_CLASS_STRUCT)
if ($$->class != HLSL_CLASS_STRUCT || $$->is_typedef)
hlsl_error(ctx, &@1, VKD3D_SHADER_ERROR_HLSL_REDEFINED, "\"%s\" is not a structure.", $2);
vkd3d_free($2);
}

2
tests/hlsl/struct-syntax.shader_test
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@@ -33,7 +33,7 @@
return 0;
}
[pixel shader fail todo(sm<6)]
[pixel shader fail]
struct apple
{
float4 f;