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zink: avoid extra submits for empty wait cmdbufs.

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This just avoids cpu overheads from processing that won't get used.

Reviewed-by: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16393>
This commit is contained in:
Dave Airlie 2022-05-09 15:51:20 +10:00 • committed by Marge Bot
parent 997dc0a5e8
commit 57df27be5f
1 changed files with 5 additions and 2 deletions
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7
src/gallium/drivers/zink/zink_batch.c
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@ -344,7 +344,7 @@ submit_queue(void *data, void *gdata, int thread_index)
struct zink_context *ctx = bs->ctx;
struct zink_screen *screen = zink_screen(ctx->base.screen);
VkSubmitInfo si[2] = {0};
int num_si = 2;
while (!bs->fence.batch_id)
bs->fence.batch_id = p_atomic_inc_return(&screen->curr_batch);
bs->usage.usage = bs->fence.batch_id;
@ -367,6 +367,9 @@ submit_queue(void *data, void *gdata, int thread_index)
mask[i] = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
si[0].pWaitDstStageMask = mask;
if (si[0].waitSemaphoreCount == 0)
num_si--;
/* then the real submit */
si[1].waitSemaphoreCount = util_dynarray_num_elements(&bs->wait_semaphores, VkSemaphore);
si[1].pWaitSemaphores = bs->wait_semaphores.data;
@ -415,7 +418,7 @@ submit_queue(void *data, void *gdata, int thread_index)
}
simple_mtx_lock(&screen->queue_lock);
if (VKSCR(QueueSubmit)(bs->queue, 2, si, VK_NULL_HANDLE) != VK_SUCCESS) {
if (VKSCR(QueueSubmit)(bs->queue, num_si, num_si == 2 ? si : &si[1], VK_NULL_HANDLE) != VK_SUCCESS) {
mesa_loge("ZINK: vkQueueSubmit failed");
bs->is_device_lost = true;
}