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render/vulkan: always wait for last stage to complete before rendering

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When we have multiple command buffers in flight, we need to make
sure we don't start rendering before the previous texture uploads
are complete.
This commit is contained in:
Simon Ser 2022-11-04 17:32:06 +01:00
parent 7fdcb45e66
commit f4f3c15c1e
2 changed files with 15 additions and 0 deletions
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1
include/render/vulkan.h
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@ -195,6 +195,7 @@ struct wlr_vk_renderer {
struct { struct {
struct wlr_vk_command_buffer *cb; struct wlr_vk_command_buffer *cb;
uint64_t last_timeline_point;
struct wl_list buffers; // wlr_vk_shared_buffer.link struct wl_list buffers; // wlr_vk_shared_buffer.link
} stage; } stage;

14
render/vulkan/renderer.c
View file

@ -860,6 +860,8 @@ static void vulkan_end(struct wlr_renderer *wlr_renderer) {
// and we have a renderpass dependency for that. // and we have a renderpass dependency for that.
uint64_t stage_timeline_point; uint64_t stage_timeline_point;
VkTimelineSemaphoreSubmitInfoKHR stage_timeline_submit_info; VkTimelineSemaphoreSubmitInfoKHR stage_timeline_submit_info;
uint64_t stage_wait_timeline_point;
VkPipelineStageFlags stage_wait_stage;
if (stage_cb != NULL) { if (stage_cb != NULL) {
stage_timeline_point = end_command_buffer(stage_cb, renderer); stage_timeline_point = end_command_buffer(stage_cb, renderer);
if (stage_timeline_point == 0) { if (stage_timeline_point == 0) {
@ -878,6 +880,18 @@ static void vulkan_end(struct wlr_renderer *wlr_renderer) {
stage_sub->commandBufferCount = 1u; stage_sub->commandBufferCount = 1u;
stage_sub->pCommandBuffers = &pre_cb; stage_sub->pCommandBuffers = &pre_cb;
++submit_count; ++submit_count;
if (renderer->stage.last_timeline_point > 0) {
stage_wait_timeline_point = renderer->stage.last_timeline_point;
stage_wait_stage = VK_PIPELINE_STAGE_ALL_COMMANDS_BIT;
stage_sub->waitSemaphoreCount = 1;
stage_sub->pWaitSemaphores = &renderer->timeline_semaphore;
stage_sub->pWaitDstStageMask = &stage_wait_stage;
stage_timeline_submit_info.waitSemaphoreValueCount = 1;
stage_timeline_submit_info.pWaitSemaphoreValues = &stage_wait_timeline_point;
}
renderer->stage.last_timeline_point = stage_timeline_point;
} }
uint64_t render_timeline_point = end_command_buffer(render_cb, renderer); uint64_t render_timeline_point = end_command_buffer(render_cb, renderer);