Tuned restrictions for Canny, Warp, FAST, Accumulate and Convolution OpenVX HAL…

Tuned restrictions for Canny, Warp, FAST, Accumulate and Convolution OpenVX HAL calls on small images

3rdparty/openvx/hal/openvx_hal.cpp

@@ -82,10 +82,13 @@ 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 < 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; }
-template <> inline bool skipSmallImages<VX_KERNEL_INTEGRAL_IMAGE>(int w, int h) { return w*h <  640 *  480; }
+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; }
+template <> inline bool     skipSmallImages<VX_KERNEL_INTEGRAL_IMAGE>(int w, int h) { return w*h <  640 *  480; }
+template <> inline bool        skipSmallImages<VX_KERNEL_WARP_AFFINE>(int w, int h) { return w*h < 1280 *  720; }
+template <> inline bool   skipSmallImages<VX_KERNEL_WARP_PERSPECTIVE>(int w, int h) { return w*h <  320 *  240; }
+template <> inline bool skipSmallImages<VX_KERNEL_CUSTOM_CONVOLUTION>(int w, int h) { return w*h <  320 *  240; }
 
 inline void setConstantBorder(ivx::border_t &border, vx_uint8 val)
 {
@@ -553,6 +556,7 @@ int ovx_hal_filterInit(cvhalFilter2D **filter_context, uchar *kernel_data, size_
             for (int i = 0; i < kernel_width; ++i)
                 data.push_back(row[i]);
         }
+        break;
     default:
         return CV_HAL_ERROR_NOT_IMPLEMENTED;
     }

modules/core/include/opencv2/core/openvx/ovx_defs.hpp

@@ -32,7 +32,9 @@ template <> inline bool skipSmallImages<VX_KERNEL_GAUSSIAN_3x3>(int w, int h) {
 template <> inline bool skipSmallImages<VX_KERNEL_BOX_3x3>(int w, int h) { return w*h < 640 * 480; }
 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 < 320 * 240; }
-
+template <> inline bool skipSmallImages<VX_KERNEL_CANNY_EDGE_DETECTOR>(int w, int h) { return w*h < 640 * 480; }
+template <> inline bool skipSmallImages<VX_KERNEL_ACCUMULATE>(int w, int h) { return w*h < 120 * 60; }
+template <> inline bool skipSmallImages<VX_KERNEL_FAST_CORNERS>(int w, int h) { return w*h < 800 * 600; }
 }}
 
 #define CV_OVX_RUN(condition, func, ...)          \