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hk: optimize out empty VDM batches

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Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/31532>
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Alyssa Rosenzweig 2024-09-18 11:00:50 -04:00 • committed by Marge Bot
parent a01a010255
commit 0d5b76113e
1 changed files with 13 additions and 0 deletions
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13
src/asahi/vulkan/hk_cmd_buffer.c
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@ -271,6 +271,19 @@ hk_EndCommandBuffer(VkCommandBuffer commandBuffer)
hk_cmd_buffer_end_compute(cmd);
hk_cmd_buffer_end_compute_internal(&cmd->current_cs.post_gfx);
/* With rasterizer discard, we might end up with empty VDM batches.
* It is difficult to avoid creating these empty batches, but it's easy to
* optimize them out at record-time. Do so now.
*/
list_for_each_entry_safe(struct hk_cs, cs, &cmd->control_streams, node) {
if (cs->type == HK_CS_VDM && cs->stats.cmds == 0 &&
!cs->cr.process_empty_tiles) {
list_del(&cs->node);
hk_cs_destroy(cs);
}
}
return vk_command_buffer_get_record_result(&cmd->vk);
}