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v3dv: handle VK_FORMAT_B8G8R8A8_UNORM vertex attributes

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This is the only mandatory vertex attribute format that requires a
swizzle.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6766>
This commit is contained in:
Iago Toral Quiroga
2020-07-06 11:44:00 +02:00
committed by Marge Bot
parent 5a2ef59963
commit d08da4a54a
1 changed files with 10 additions and 0 deletions
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10
src/broadcom/vulkan/v3dv_pipeline.c
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@@ -1177,6 +1177,16 @@ pipeline_populate_v3d_vs_key(struct v3d_vs_key *key,
memcpy(key->used_outputs, fs_variant->prog_data.fs->input_slots,
sizeof(key->used_outputs));
}
const VkPipelineVertexInputStateCreateInfo *vi_info =
pCreateInfo->pVertexInputState;
for (uint32_t i = 0; i < vi_info->vertexAttributeDescriptionCount; i++) {
const VkVertexInputAttributeDescription *desc =
&vi_info->pVertexAttributeDescriptions[i];
assert(desc->location < MAX_VERTEX_ATTRIBS);
if (desc->format == VK_FORMAT_B8G8R8A8_UNORM)
key->va_swap_rb_mask |= 1 << desc->location;
}
}
/* FIXME: following hash/compare methods are C&P from v3d. Common place? */