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.
---
src/intel/vulkan/genX_cmd_buffer.c | 12 ------------
1 file changed, 12 deletions(-)
diff --git a/src/intel/vulkan/genX_cmd_buffer.c
b/src/intel/vulkan/genX_cmd_buffer.c
index d90dcb0..5c36fc7 100644
--- a/src/intel/vulkan/genX_cmd_buffer.c
+++ b/src/intel/vulkan/genX_cmd_buffer.c
@@ -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);
--
2.5.0.400.gff86faf
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