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Merge pull request #19783 from mikhail-nikolskiy:interop-perf

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Performance optimization in DirectX and VAAPI interop

* optimization in OpenCL NV12<>BGR kernels

* reduce kernel work-size
This commit is contained in:
Mikhail Nikolskii
2021-03-25 14:27:31 -07:00
committed by GitHub
parent 26ea4760ad
commit bf9f67e93f
3 changed files with 45 additions and 55 deletions
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modules/core/src/va_intel.cpp
+2 -2
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@@ -158,7 +158,7 @@ static bool ocl_convert_nv12_to_bgr(cl_mem clImageY, cl_mem clImageUV, cl_mem cl
k.args(clImageY, clImageUV, clBuffer, step, cols, rows);
size_t globalsize[] = { (size_t)cols, (size_t)rows };
size_t globalsize[] = { (size_t)cols/2, (size_t)rows/2 };
return k.run(2, globalsize, 0, false);
}
@@ -171,7 +171,7 @@ static bool ocl_convert_bgr_to_nv12(cl_mem clBuffer, int step, int cols, int row
k.args(clBuffer, step, cols, rows, clImageY, clImageUV);
size_t globalsize[] = { (size_t)cols, (size_t)rows };
size_t globalsize[] = { (size_t)cols/2, (size_t)rows/2 };
return k.run(2, globalsize, 0, false);
}
#endif // HAVE_VA_INTEL && HAVE_OPENCL