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render/vulkan: omit stage command buffer if empty

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Instead of always creating and submitting a stage command buffer,
skip it if we had no texture to upload.
This commit is contained in:
Simon Ser 2023-04-14 12:02:30 +02:00
parent 9affcaa93c
commit 069f5d2b1b
1 changed files with 19 additions and 16 deletions
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35
render/vulkan/renderer.c
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@ -901,12 +901,7 @@ static void vulkan_end(struct wlr_renderer *wlr_renderer) {
assert(render_cb != NULL);
renderer->current_command_buffer = NULL;
if (vulkan_record_stage_cb(renderer) == VK_NULL_HANDLE) {
return;
}
struct wlr_vk_command_buffer *stage_cb = renderer->stage.cb;
assert(stage_cb != NULL);
renderer->stage.cb = NULL;
renderer->render_width = 0u;
@ -1026,7 +1021,7 @@ static void vulkan_end(struct wlr_renderer *wlr_renderer) {
++idx;
vkCmdPipelineBarrier(stage_cb->vk, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
vkCmdPipelineBarrier(render_cb->vk, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT | VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT,
0, 0, NULL, 0, NULL, barrier_count, acquire_barriers);
@ -1057,24 +1052,30 @@ static void vulkan_end(struct wlr_renderer *wlr_renderer) {
// We don't need a semaphore from the stage/transfer submission
// to the render submissions since they are on the same queue
// and we have a renderpass dependency for that.
uint64_t stage_timeline_point = end_command_buffer(stage_cb, renderer);
if (stage_timeline_point == 0) {
return;
uint64_t stage_timeline_point = 0;
if (stage_cb != VK_NULL_HANDLE) {
stage_timeline_point = end_command_buffer(stage_cb, renderer);
if (stage_timeline_point == 0) {
return;
}
}
VkTimelineSemaphoreSubmitInfoKHR stage_timeline_submit_info = {
.sType = VK_STRUCTURE_TYPE_TIMELINE_SEMAPHORE_SUBMIT_INFO_KHR,
.signalSemaphoreValueCount = 1,
.pSignalSemaphoreValues = &stage_timeline_point,
};
*stage_sub = (VkSubmitInfo){
.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO,
.pNext = &stage_timeline_submit_info,
.commandBufferCount = 1,
.pCommandBuffers = &stage_cb->vk,
.signalSemaphoreCount = 1,
.pSignalSemaphores = &renderer->timeline_semaphore,
};
if (stage_cb != VK_NULL_HANDLE) {
assert(stage_timeline_point > 0);
stage_sub->commandBufferCount = 1;
stage_sub->pCommandBuffers = &stage_cb->vk;
stage_sub->signalSemaphoreCount = 1;
stage_sub->pSignalSemaphores = &renderer->timeline_semaphore;
stage_timeline_submit_info.signalSemaphoreValueCount = 1;
stage_timeline_submit_info.pSignalSemaphoreValues = &stage_timeline_point;
}
uint64_t stage_wait_timeline_point;
VkPipelineStageFlags stage_wait_stage;
@ -1088,7 +1089,9 @@ static void vulkan_end(struct wlr_renderer *wlr_renderer) {
stage_timeline_submit_info.pWaitSemaphoreValues = &stage_wait_timeline_point;
}
renderer->stage.last_timeline_point = stage_timeline_point;
if (stage_timeline_point > 0) {
renderer->stage.last_timeline_point = stage_timeline_point;
}
uint64_t render_timeline_point = end_command_buffer(render_cb, renderer);
if (render_timeline_point == 0) {