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vkd3d-shader/hlsl: Validate that extern structs don't contain objects SM < 5.

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It is worth noting that these checks should also be included for
declarations inside cbuffers, once they are implemented.
This commit is contained in:
Francisco Casas 2022-11-01 19:13:39 -03:00 committed by Alexandre Julliard
parent 3153ce3145
commit 2fa913ccaa
Notes: Alexandre Julliard 2022-11-10 22:56:31 +01:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Zebediah Figura (@zfigura)
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/42
1 changed files with 27 additions and 0 deletions
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27
libs/vkd3d-shader/hlsl.y
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@ -1887,6 +1887,26 @@ static void initialize_var_components(struct hlsl_ctx *ctx, struct list *instrs,
}
}
static bool type_has_object_components(struct hlsl_type *type, bool must_be_in_struct)
{
if (type->type == HLSL_CLASS_OBJECT)
return !must_be_in_struct;
if (type->type == HLSL_CLASS_ARRAY)
return type_has_object_components(type->e.array.type, must_be_in_struct);
if (type->type == HLSL_CLASS_STRUCT)
{
unsigned int i;
for (i = 0; i < type->e.record.field_count; ++i)
{
if (type_has_object_components(type->e.record.fields[i].type, false))
return true;
}
}
return false;
}
static struct list *declare_vars(struct hlsl_ctx *ctx, struct hlsl_type *basic_type,
DWORD modifiers, struct list *var_list)
{
@ -2022,6 +2042,13 @@ static struct list *declare_vars(struct hlsl_ctx *ctx, struct hlsl_type *basic_t
if (!(modifiers & HLSL_STORAGE_STATIC))
var->modifiers |= HLSL_STORAGE_UNIFORM;
if (ctx->profile->major_version < 5 && (var->modifiers & HLSL_STORAGE_UNIFORM) &&
type_has_object_components(var->data_type, true))
{
hlsl_error(ctx, &var->loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE,
"Target profile doesn't support objects as struct members in uniform variables.\n");
}
if ((func = hlsl_get_func_decl(ctx, var->name)))
{
hlsl_error(ctx, &var->loc, VKD3D_SHADER_ERROR_HLSL_REDEFINED,