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hwcontext_vulkan: wait on semaphores when exporting to DRM 

There is no synchronization method for DRM yet.
This commit is contained in:
Lynne 2021-12-10 17:16:49 +01:00
parent f45cbb775e
commit 0c1d47a6b3
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GPG Key ID: A2FEA5F03F034464
1 changed files with 11 additions and 0 deletions
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11
libavutil/hwcontext_vulkan.c
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@ -3301,6 +3301,11 @@ static int vulkan_map_to_drm(AVHWFramesContext *hwfc, AVFrame *dst,
VkImageDrmFormatModifierPropertiesEXT drm_mod = {
.sType = VK_STRUCTURE_TYPE_IMAGE_DRM_FORMAT_MODIFIER_PROPERTIES_EXT,
};
VkSemaphoreWaitInfo wait_info = {
.sType = VK_STRUCTURE_TYPE_SEMAPHORE_WAIT_INFO,
.flags = 0x0,
.semaphoreCount = planes,
};
AVDRMFrameDescriptor *drm_desc = av_mallocz(sizeof(*drm_desc));
if (!drm_desc)
@ -3310,6 +3315,12 @@ static int vulkan_map_to_drm(AVHWFramesContext *hwfc, AVFrame *dst,
if (err < 0)
goto end;
/* Wait for the operation to finish so we can cleanly export it. */
wait_info.pSemaphores = f->sem;
wait_info.pValues = f->sem_value;
vk->WaitSemaphores(hwctx->act_dev, &wait_info, UINT64_MAX);
err = ff_hwframe_map_create(src->hw_frames_ctx, dst, src, &vulkan_unmap_to_drm, drm_desc);
if (err < 0)
goto end;