vulkan/wsi: Use a STACK_ARRAY for stage_flags
This avoids the heap allocation in the common case. Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4037>
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@ -939,6 +939,11 @@ wsi_common_queue_present(const struct wsi_device *wsi,
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{
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VkResult final_result = VK_SUCCESS;
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STACK_ARRAY(VkPipelineStageFlags, stage_flags,
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pPresentInfo->waitSemaphoreCount);
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for (uint32_t s = 0; s < pPresentInfo->waitSemaphoreCount; s++)
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stage_flags[s] = VK_PIPELINE_STAGE_ALL_COMMANDS_BIT;
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const VkPresentRegionsKHR *regions =
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vk_find_struct_const(pPresentInfo->pNext, PRESENT_REGIONS_KHR);
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@ -993,27 +998,12 @@ wsi_common_queue_present(const struct wsi_device *wsi,
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.pNext = &mem_signal,
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};
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VkPipelineStageFlags *stage_flags = NULL;
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if (i == 0) {
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/* We only need/want to wait on semaphores once. After that, we're
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* guaranteed ordering since it all happens on the same queue.
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*/
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submit_info.waitSemaphoreCount = pPresentInfo->waitSemaphoreCount;
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submit_info.pWaitSemaphores = pPresentInfo->pWaitSemaphores;
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/* Set up the pWaitDstStageMasks */
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stage_flags = vk_alloc(&swapchain->alloc,
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sizeof(VkPipelineStageFlags) *
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pPresentInfo->waitSemaphoreCount,
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8,
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VK_SYSTEM_ALLOCATION_SCOPE_COMMAND);
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if (!stage_flags) {
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result = VK_ERROR_OUT_OF_HOST_MEMORY;
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goto fail_present;
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}
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for (uint32_t s = 0; s < pPresentInfo->waitSemaphoreCount; s++)
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stage_flags[s] = VK_PIPELINE_STAGE_ALL_COMMANDS_BIT;
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submit_info.pWaitDstStageMask = stage_flags;
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}
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@ -1042,7 +1032,6 @@ wsi_common_queue_present(const struct wsi_device *wsi,
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}
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result = wsi->QueueSubmit(queue, 1, &submit_info, fence);
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vk_free(&swapchain->alloc, stage_flags);
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if (result != VK_SUCCESS)
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goto fail_present;
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@ -1090,6 +1079,8 @@ wsi_common_queue_present(const struct wsi_device *wsi,
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final_result = result;
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}
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STACK_ARRAY_FINISH(stage_flags);
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return final_result;
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}
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