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hwcontext_vulkan: wait for semaphores when unmapping from VAAPI

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We don't really want to do a full all-queue blocking wait here, since
this happens once per frame, and this could delay future frames.
This commit is contained in:
Lynne 2021-11-13 14:22:11 +01:00
parent 6a23a5597c
commit 9dc544cdb4
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1 changed files with 10 additions and 0 deletions
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10
libavutil/hwcontext_vulkan.c
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@ -2218,6 +2218,16 @@ static void vulkan_unmap_from(AVHWFramesContext *hwfc, HWMapDescriptor *hwmap)
VulkanDevicePriv *p = hwfc->device_ctx->internal->priv;
FFVulkanFunctions *vk = &p->vkfn;
VkSemaphoreWaitInfo wait_info = {
.sType = VK_STRUCTURE_TYPE_SEMAPHORE_WAIT_INFO,
.flags = 0x0,
.pSemaphores = map->frame->sem,
.pValues = map->frame->sem_value,
.semaphoreCount = planes,
};
vk->WaitSemaphores(hwctx->act_dev, &wait_info, UINT64_MAX);
for (int i = 0; i < planes; i++) {
vk->DestroyImage(hwctx->act_dev, map->frame->img[i], hwctx->alloc);
vk->FreeMemory(hwctx->act_dev, map->frame->mem[i], hwctx->alloc);