render/vulkan: remove pre_cb in vulkan_end()

pre_cb was an alias for stage_cb->vk. Let's just use a single
variable instead.

Additionally, early return when vulkan_record_stage_cb() fails.
We were crashing in vkCmdPipelineBarrier() if that happened.
This commit is contained in:
Simon Ser 2022-12-03 09:36:18 +01:00
parent 27e057319a
commit dd5be430b4

View file

@ -823,7 +823,13 @@ static void vulkan_end(struct wlr_renderer *wlr_renderer) {
assert(render_cb != NULL);
renderer->current_command_buffer = NULL;
VkCommandBuffer pre_cb = vulkan_record_stage_cb(renderer);
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;
renderer->render_height = 0u;
@ -929,7 +935,7 @@ static void vulkan_end(struct wlr_renderer *wlr_renderer) {
++idx;
vkCmdPipelineBarrier(pre_cb, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
vkCmdPipelineBarrier(stage_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);
@ -943,9 +949,6 @@ static void vulkan_end(struct wlr_renderer *wlr_renderer) {
unsigned submit_count = 0u;
VkSubmitInfo submit_infos[2] = {0};
struct wlr_vk_command_buffer *stage_cb = renderer->stage.cb;
renderer->stage.cb = NULL;
// No semaphores needed here.
// We don't need a semaphore from the stage/transfer submission
// to the render submissions since they are on the same queue
@ -970,7 +973,7 @@ static void vulkan_end(struct wlr_renderer *wlr_renderer) {
stage_sub->sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
stage_sub->pNext = &stage_timeline_submit_info;
stage_sub->commandBufferCount = 1u;
stage_sub->pCommandBuffers = &pre_cb;
stage_sub->pCommandBuffers = &stage_cb->vk;
stage_sub->signalSemaphoreCount = 1;
stage_sub->pSignalSemaphores = &renderer->timeline_semaphore;
++submit_count;