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vkd3d-shader/ir: Validate the register index and count for signature elements.

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Giovanni Mascellani 2024-12-06 14:21:50 +01:00 committed by Henri Verbeet
parent 267c70fa55
commit db5a3197b7
Notes: Henri Verbeet 2024-12-09 16:19:02 +01:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1306
1 changed files with 6 additions and 0 deletions
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6
libs/vkd3d-shader/ir.c
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@ -8061,6 +8061,12 @@ static void vsir_validate_signature_element(struct validation_context *ctx,
validator_error(ctx, VKD3D_SHADER_ERROR_VSIR_INVALID_SIGNATURE,
"element %u of %s signature: Invalid zero register count.", idx, signature_type_name);
if (element->register_index != UINT_MAX && (element->register_index >= MAX_REG_OUTPUT
|| MAX_REG_OUTPUT - element->register_index < element->register_count))
validator_error(ctx, VKD3D_SHADER_ERROR_VSIR_INVALID_SIGNATURE,
"element %u of %s signature: Invalid register index %u and count %u.",
idx, signature_type_name, element->register_index, element->register_count);
if (element->mask == 0 || (element->mask & ~0xf))
validator_error(ctx, VKD3D_SHADER_ERROR_VSIR_INVALID_SIGNATURE,
"element %u of %s signature: Invalid mask %#x.", idx, signature_type_name, element->mask);