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c/main: stop allocating vkCommandBuffer each blit

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This commit is contained in:
Simon Zeni 2022-08-24 16:16:21 -04:00 committed by Jakob Bornecrantz
parent e931e0fed9
commit a6c30b4083
2 changed files with 24 additions and 14 deletions
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37
src/xrt/compositor/main/comp_window_peek.c
View file

@ -169,6 +169,11 @@ comp_window_peek_create(struct comp_compositor *c)
COMP_ERROR(c, "vkCreateSemaphore: %s", vk_result_string(ret));
}
ret = vk_init_cmd_buffer(vk, &w->cmd);
if (ret != VK_SUCCESS) {
COMP_ERROR(c, "vk_init_cmd_buffer: %s", vk_result_string(ret));
}
os_thread_helper_init(&w->oth);
os_thread_helper_start(&w->oth, window_peek_run_thread, w);
@ -187,6 +192,9 @@ comp_window_peek_destroy(struct comp_window_peek **w_ptr)
SDL_DestroyWindow(w->window);
struct vk_bundle *vk = get_vk(w);
vk->vkFreeCommandBuffers(vk->device, vk->cmd_pool, 1, &w->cmd);
comp_target_swapchain_cleanup(&w->base);
os_thread_helper_destroy(&w->oth);
@ -222,12 +230,15 @@ comp_window_peek_blit(struct comp_window_peek *w, VkImage src, int32_t width, in
struct vk_bundle *vk = get_vk(w);
VkCommandBuffer cmd;
vk_init_cmd_buffer(vk, &cmd);
// For submitting commands.
os_mutex_lock(&vk->cmd_pool_mutex);
VkCommandBufferBeginInfo begin_info = {
.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,
};
ret = vk->vkBeginCommandBuffer(w->cmd, &begin_info);
VkImageSubresourceRange range = {
.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.baseMipLevel = 0,
@ -239,7 +250,7 @@ comp_window_peek_blit(struct comp_window_peek *w, VkImage src, int32_t width, in
// Barrier to make source a source
vk_cmd_image_barrier_locked( //
vk, // vk_bundle
cmd, // cmdbuffer
w->cmd, // cmdbuffer
src, // image
VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, // srcAccessMask
VK_ACCESS_TRANSFER_READ_BIT, // dstAccessMask
@ -252,7 +263,7 @@ comp_window_peek_blit(struct comp_window_peek *w, VkImage src, int32_t width, in
// Barrier to make destination a destination
vk_cmd_image_barrier_locked( //
vk, // vk_bundle
cmd, // cmdbuffer
w->cmd, // cmdbuffer
dst, // image
0, // srcAccessMask
VK_ACCESS_TRANSFER_WRITE_BIT, // dstAccessMask
@ -281,7 +292,7 @@ comp_window_peek_blit(struct comp_window_peek *w, VkImage src, int32_t width, in
blit.dstOffsets[1].z = 1;
vk->vkCmdBlitImage( //
cmd, // commandBuffer
w->cmd, // commandBuffer
src, // srcImage
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, // srcImageLayout
dst, // dstImage
@ -294,7 +305,7 @@ comp_window_peek_blit(struct comp_window_peek *w, VkImage src, int32_t width, in
// Reset destination
vk_cmd_image_barrier_locked( //
vk, // vk_bundle
cmd, // cmdbuffer
w->cmd, // cmdbuffer
dst, // image
VK_ACCESS_TRANSFER_WRITE_BIT, // srcAccessMask
0, // dstAccessMask
@ -307,7 +318,7 @@ comp_window_peek_blit(struct comp_window_peek *w, VkImage src, int32_t width, in
// Reset src
vk_cmd_image_barrier_locked( //
vk, // vk_bundle
cmd, // cmdbuffer
w->cmd, // cmdbuffer
src, // image
VK_ACCESS_TRANSFER_READ_BIT, // srcAccessMask
0, // dstAccessMask
@ -317,17 +328,15 @@ comp_window_peek_blit(struct comp_window_peek *w, VkImage src, int32_t width, in
VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, // dstStageMask
range); // subresourceRange
ret = vk->vkEndCommandBuffer(cmd);
ret = vk->vkEndCommandBuffer(w->cmd);
os_mutex_unlock(&vk->cmd_pool_mutex);
if (ret != VK_SUCCESS) {
VK_ERROR(vk, "Error: Could not end command buffer.\n");
vk->vkFreeCommandBuffers(vk->device, vk->cmd_pool, 1, &cmd);
os_mutex_unlock(&vk->cmd_pool_mutex);
return;
}
os_mutex_unlock(&vk->cmd_pool_mutex);
VkPipelineStageFlags submit_flags = VK_PIPELINE_STAGE_TRANSFER_BIT;
// Waits for command to finish.
@ -338,7 +347,7 @@ comp_window_peek_blit(struct comp_window_peek *w, VkImage src, int32_t width, in
.pWaitSemaphores = &w->acquire,
.pWaitDstStageMask = &submit_flags,
.commandBufferCount = 1,
.pCommandBuffers = &cmd,
.pCommandBuffers = &w->cmd,
.signalSemaphoreCount = 1,
.pSignalSemaphores = &w->submit,
};

1
src/xrt/compositor/main/comp_window_peek.h
View file

@ -51,6 +51,7 @@ struct comp_window_peek
VkSurfaceKHR surface;
VkSemaphore acquire;
VkSemaphore submit;
VkCommandBuffer cmd;
struct os_thread_helper oth;
};