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vkd3d-shader/ir: Validate register counts in input signatures.

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Giovanni Mascellani 2024-10-08 15:13:29 +02:00 committed by Henri Verbeet
parent 7202e6e2f3
commit 118f494de3
Notes: Henri Verbeet 2024-10-09 13:19:13 +02:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1159
1 changed files with 22 additions and 0 deletions
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22
libs/vkd3d-shader/ir.c
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@ -6505,6 +6505,26 @@ static bool vsir_validate_src_max_count(struct validation_context *ctx,
return true;
}
static void vsir_validate_signature_element(struct validation_context *ctx,
const struct shader_signature *signature, const char *signature_type,
unsigned int idx)
{
const struct signature_element *element = &signature->elements[idx];
if (element->register_count == 0)
validator_error(ctx, VKD3D_SHADER_ERROR_VSIR_INVALID_SIGNATURE,
"element %u of %s signature: Invalid zero register count.", idx, signature_type);
}
static void vsir_validate_signature(struct validation_context *ctx,
const struct shader_signature *signature, const char *signature_type)
{
unsigned int i;
for (i = 0; i < signature->element_count; ++i)
vsir_validate_signature_element(ctx, signature, signature_type, i);
}
static const char *name_from_cf_type(enum vsir_control_flow_type type)
{
switch (type)
@ -7054,6 +7074,8 @@ enum vkd3d_result vsir_program_validate(struct vsir_program *program, uint64_t c
"Patch constant signature is only valid for hull and domain shaders.");
}
vsir_validate_signature(&ctx, &program->input_signature, "input");
if (!(ctx.temps = vkd3d_calloc(ctx.program->temp_count, sizeof(*ctx.temps))))
goto fail;