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anv/cmd_buffer: Simplify transition_depth_buffer

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If we don't have HiZ, then anv_layout_to_aux_usage will return NONE for
both layouts.  If the two layouts are the same, they will get the aux
usage.  In either case, the code below will give us ISL_AUX_OP_NONE and
we'll return without doing anything.

Reviewed-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
This commit is contained in:
Jason Ekstrand 2018-02-01 19:13:12 -08:00
parent 87e86ee2e6
commit 7ea8131aa0
1 changed files with 0 additions and 12 deletions
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12
src/intel/vulkan/genX_cmd_buffer.c
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@ -432,18 +432,6 @@ transition_depth_buffer(struct anv_cmd_buffer *cmd_buffer,
VkImageLayout initial_layout,
VkImageLayout final_layout)
{
assert(image);
/* A transition is a no-op if HiZ is not enabled, or if the initial and
* final layouts are equal.
*
* The undefined layout indicates that the user doesn't care about the data
* that's currently in the buffer. Therefore, a data-preserving resolve
* operation is not needed.
*/
if (image->planes[0].aux_usage != ISL_AUX_USAGE_HIZ || initial_layout == final_layout)
return;
const bool hiz_enabled = ISL_AUX_USAGE_HIZ ==
anv_layout_to_aux_usage(&cmd_buffer->device->info, image,
VK_IMAGE_ASPECT_DEPTH_BIT, initial_layout);