generic-library/opencv
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implemented asynchronous call for gpumat::setTo(), gpumat::copyTo(), gpumat::converTo()

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This commit is contained in:
Andrey Morozov
2010-07-26 11:22:16 +00:00
parent 1ead3a5b02
commit 769564c130
4 changed files with 114 additions and 86 deletions
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3
modules/gpu/src/cudastream.cpp
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@@ -74,6 +74,7 @@ struct CudaStream::Impl
cudaStream_t stream;
int ref_counter;
};
namespace
{
template<class S, class D> void devcopy(const S& src, D& dst, cudaStream_t s, cudaMemcpyKind k)
@@ -147,7 +148,7 @@ void cv::gpu::CudaStream::enqueueDownload(const GpuMat& src, Mat& dst)
{
// if not -> allocation will be done, but after that dst will not point to page locked memory
CV_Assert(src.cols == dst.cols && src.rows == dst.rows && src.type() == dst.type() )
devcopy(src, dst, impl->stream, cudaMemcpyDeviceToHost);
devcopy(src, dst, impl->stream, cudaMemcpyDeviceToHost);
}
void cv::gpu::CudaStream::enqueueDownload(const GpuMat& src, MatPL& dst) { devcopy(src, dst, impl->stream, cudaMemcpyDeviceToHost); }