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vkd3d-shader/ir: Validate SSA registers.

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Giovanni Mascellani 2023-12-21 15:54:13 +01:00 committed by Alexandre Julliard
parent e29ae1550c
commit e91da41dea
Notes: Alexandre Julliard 2024-01-04 23:09:38 +01:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/530
1 changed files with 13 additions and 0 deletions
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13
libs/vkd3d-shader/ir.c
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@ -1604,6 +1604,19 @@ static void vsir_validate_register(struct validation_context *ctx,
reg->idx[0].offset, temp_count);
break;
case VKD3DSPR_SSA:
if (reg->idx_count != 1)
validator_error(ctx, VKD3D_SHADER_ERROR_VSIR_INVALID_INDEX_COUNT, "Invalid index count %u for a SSA register.",
reg->idx_count);
if (reg->idx_count >= 1 && reg->idx[0].rel_addr)
validator_error(ctx, VKD3D_SHADER_ERROR_VSIR_INVALID_INDEX, "Non-NULL relative address for a SSA register.");
if (reg->idx_count >= 1 && reg->idx[0].offset >= ctx->parser->shader_desc.ssa_count)
validator_error(ctx, VKD3D_SHADER_ERROR_VSIR_INVALID_INDEX, "SSA register index %u exceeds the maximum count %u.",
reg->idx[0].offset, ctx->parser->shader_desc.ssa_count);
break;
case VKD3DSPR_NULL:
if (reg->idx_count != 0)
validator_error(ctx, VKD3D_SHADER_ERROR_VSIR_INVALID_INDEX_COUNT, "Invalid index count %u for a NULL register.",