Without this, we may end up dereferencing blend before we check for
binding->index != UINT32_MAX. However, Vulkan allows the blend state to
be NULL so long as you don't have any color attachments. This fixes a
segfault when running The Talos Principal.
Fixes: 12f4e00b69e724a23504b7bd3958fb75dc462950
Cc: mesa-sta...@lists.freedesktop.org
---
src/intel/vulkan/genX_pipeline.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/src/intel/vulkan/genX_pipeline.c b/src/intel/vulkan/genX_pipeline.c
index cfc3bea..e8ac7c6 100644
--- a/src/intel/vulkan/genX_pipeline.c
+++ b/src/intel/vulkan/genX_pipeline.c
@@ -1345,10 +1345,10 @@ has_color_buffer_write_enabled(const struct
anv_pipeline *pipeline,
if (binding->set != ANV_DESCRIPTOR_SET_COLOR_ATTACHMENTS)
continue;
- const VkPipelineColorBlendAttachmentState *a =
- &blend->pAttachments[binding->index];
+ if (binding->index == UINT32_MAX)
+ continue;
- if (binding->index != UINT32_MAX && a->colorWriteMask != 0)
+ if (blend->pAttachments[binding->index].colorWriteMask != 0)
return true;
}
--
2.5.0.400.gff86faf
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