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Extended restrictions for OpenVX HAL calls on small images

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This commit is contained in:
Vitaly Tuzov 2017-03-29 09:01:40 +03:00
parent bf5b7843e8
commit bf62dca45a
2 changed files with 7 additions and 5 deletions
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6
3rdparty/openvx/hal/openvx_hal.cpp vendored
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@ -82,7 +82,7 @@ inline bool dimTooBig(int size)
}
//OpenVX calls have essential overhead so it make sense to skip them for small images
template <int kernel_id> inline bool skipSmallImages(int w, int h) { return w*h < 3840 * 2160; }
template <int kernel_id> inline bool skipSmallImages(int w, int h) { return w*h < 7680 * 4320; }
template <> inline bool skipSmallImages<VX_KERNEL_MULTIPLY>(int w, int h) { return w*h < 640 * 480; }
template <> inline bool skipSmallImages<VX_KERNEL_COLOR_CONVERT>(int w, int h) { return w*h < 2048 * 1536; }
@ -175,7 +175,9 @@ OVX_BINARY_OP(xor, { ivx::IVX_CHECK_STATUS(vxuXor(ctx, ia, ib, ic)); }, VX_KERNE
template <typename T>
int ovx_hal_mul(const T *a, size_t astep, const T *b, size_t bstep, T *c, size_t cstep, int w, int h, double scale)
{
if(skipSmallImages<VX_KERNEL_MULTIPLY>(w, h))
if(scale == 1.0 || sizeof(T) > 1 ?
skipSmallImages<VX_KERNEL_ADD>(w, h) : /*actually it could be any kernel with generic minimum size*/
skipSmallImages<VX_KERNEL_MULTIPLY>(w, h) )
return CV_HAL_ERROR_NOT_IMPLEMENTED;
if (dimTooBig(w) || dimTooBig(h))
return CV_HAL_ERROR_NOT_IMPLEMENTED;

6
modules/core/include/opencv2/core/openvx/ovx_defs.hpp
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@ -26,12 +26,12 @@ namespace ovx{
CV_EXPORTS_W ivx::Context& getOpenVXContext();
template <int kernel_id> inline bool skipSmallImages(int w, int h) { return w*h < 3840 * 2160; }
template <> inline bool skipSmallImages<VX_KERNEL_MINMAXLOC>(int w, int h) { return w*h < 1280*720; }
template <> inline bool skipSmallImages<VX_KERNEL_MINMAXLOC>(int w, int h) { return w*h < 3840 * 2160; }
template <> inline bool skipSmallImages<VX_KERNEL_MEDIAN_3x3>(int w, int h) { return w*h < 1280 * 720; }
template <> inline bool skipSmallImages<VX_KERNEL_GAUSSIAN_3x3>(int w, int h) { return w*h < 1280 * 720; }
template <> inline bool skipSmallImages<VX_KERNEL_BOX_3x3>(int w, int h) { return w*h < 1280 * 720; }
template <> inline bool skipSmallImages<VX_KERNEL_BOX_3x3>(int w, int h) { return w*h < 1920 * 1080; }
template <> inline bool skipSmallImages<VX_KERNEL_HISTOGRAM>(int w, int h) { return w*h < 2048 * 1536; }
template <> inline bool skipSmallImages<VX_KERNEL_SOBEL_3x3>(int w, int h) { return w*h < 640 * 480; }
template <> inline bool skipSmallImages<VX_KERNEL_SOBEL_3x3>(int w, int h) { return w*h < 1280 * 720; }
template <> inline bool skipSmallImages<VX_KERNEL_CUSTOM_CONVOLUTION>(int w, int h) { return w*h < 1280 * 720; }
}}