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hwcontext_vulkan: wait and signal semaphores when transferring to CUDA 

Same as when downloading. Not sure why this isn't done, probably
because the CUDA code predates the sync mechanism we settled on.
This commit is contained in:
Lynne 2020-12-05 23:51:47 +01:00
parent 89e3f5abb7
commit b51b9bbd42
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GPG Key ID: A2FEA5F03F034464
1 changed files with 16 additions and 0 deletions
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16
libavutil/hwcontext_vulkan.c
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@ -3253,6 +3253,8 @@ static int vulkan_transfer_data_to_cuda(AVHWFramesContext *hwfc, AVFrame *dst,
AVCUDADeviceContext *cuda_dev = cuda_cu->hwctx;
AVCUDADeviceContextInternal *cu_internal = cuda_dev->internal;
CudaFunctions *cu = cu_internal->cuda_dl;
CUDA_EXTERNAL_SEMAPHORE_WAIT_PARAMS s_w_par[AV_NUM_DATA_POINTERS] = { 0 };
CUDA_EXTERNAL_SEMAPHORE_SIGNAL_PARAMS s_s_par[AV_NUM_DATA_POINTERS] = { 0 };
ret = CHECK_CU(cu->cuCtxPushCurrent(cuda_dev->cuda_ctx));
if (ret < 0)
@ -3268,6 +3270,13 @@ static int vulkan_transfer_data_to_cuda(AVHWFramesContext *hwfc, AVFrame *dst,
dst_int = dst_f->internal;
ret = CHECK_CU(cu->cuWaitExternalSemaphoresAsync(dst_int->cu_sem, s_w_par,
planes, cuda_dev->stream));
if (ret < 0) {
err = AVERROR_EXTERNAL;
goto fail;
}
for (int i = 0; i < planes; i++) {
CUDA_MEMCPY2D cpy = {
.dstMemoryType = CU_MEMORYTYPE_DEVICE,
@ -3292,6 +3301,13 @@ static int vulkan_transfer_data_to_cuda(AVHWFramesContext *hwfc, AVFrame *dst,
}
}
ret = CHECK_CU(cu->cuSignalExternalSemaphoresAsync(dst_int->cu_sem, s_s_par,
planes, cuda_dev->stream));
if (ret < 0) {
err = AVERROR_EXTERNAL;
goto fail;
}
CHECK_CU(cu->cuCtxPopCurrent(&dummy));
av_log(hwfc, AV_LOG_VERBOSE, "Transfered Vulkan image to CUDA!\n");