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vkd3d-shader/ir: Validate I/O destination write masks on normalised vsir.

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This commit is contained in:
Francisco Casas
2025-10-20 13:46:30 -03:00
committed by Henri Verbeet
parent 32b622d7a5
commit f616e6c118
Notes: Henri Verbeet 2025-10-29 13:43:34 +01:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1801
1 changed files with 24 additions and 0 deletions
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24
libs/vkd3d-shader/ir.c
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@@ -11011,10 +11011,34 @@ static void vsir_validate_io_dst_param(struct validation_context *ctx,
const struct vkd3d_shader_dst_param *dst)
{
struct vsir_io_register_data io_reg_data;
const struct signature_element *e;
unsigned int idx;
if (!vsir_get_io_register_data(ctx, dst->reg.type, &io_reg_data) || !(io_reg_data.flags & OUTPUT_BIT))
{
validator_error(ctx, VKD3D_SHADER_ERROR_VSIR_INVALID_REGISTER_TYPE,
"Invalid register type %#x used as destination parameter.", dst->reg.type);
return;
}
if (ctx->program->normalisation_level >= VSIR_NORMALISED_SM6)
{
if (!dst->reg.idx_count)
{
validator_error(ctx, VKD3D_SHADER_ERROR_VSIR_INVALID_REGISTER_TYPE,
"Invalid index count %u for a register of type %#x.",
dst->reg.idx_count, dst->reg.type);
return;
}
idx = dst->reg.idx[dst->reg.idx_count - 1].offset;
e = &io_reg_data.signature->elements[idx];
if (dst->write_mask & ~e->mask)
validator_error(ctx, VKD3D_SHADER_ERROR_VSIR_INVALID_REGISTER_TYPE,
"Invalid destination write mask %#x for signature element with mask %#x.",
dst->write_mask, e->mask);
}
}
static void vsir_validate_dst_param(struct validation_context *ctx,