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anv/cmd_buffer: Use the null surface state for ATTACHMENT_UNUSED 

Reviewed-by: Nanley Chery <nanley.g.chery@intel.com>
Cc: <mesa-stable@lists.freedesktop.org>
This commit is contained in:
Jason Ekstrand 2017-04-07 10:33:25 -07:00
parent 02eca8b6f8
commit 21d2ca72d8
1 changed files with 14 additions and 2 deletions
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16
src/intel/vulkan/genX_cmd_buffer.c
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@ -1122,8 +1122,20 @@ emit_binding_table(struct anv_cmd_buffer *cmd_buffer,
assert(stage == MESA_SHADER_FRAGMENT);
assert(binding->binding == 0);
if (binding->index < subpass->color_count) {
const unsigned att = subpass->color_attachments[binding->index].attachment;
surface_state = cmd_buffer->state.attachments[att].color_rt_state;
const unsigned att =
subpass->color_attachments[binding->index].attachment;
/* From the Vulkan 1.0.46 spec:
*
* "If any color or depth/stencil attachments are
* VK_ATTACHMENT_UNUSED, then no writes occur for those
* attachments."
*/
if (att == VK_ATTACHMENT_UNUSED) {
surface_state = cmd_buffer->state.null_surface_state;
} else {
surface_state = cmd_buffer->state.attachments[att].color_rt_state;
}
} else {
surface_state = cmd_buffer->state.null_surface_state;
}