added cv::copyMakeBorder to T-API

2013-12-02 23:45:16 +04:00
parent 5b5f5878ce
commit 474fc887a6
6 changed files with 334 additions and 3 deletions
--- a/modules/core/src/opencl/copymakeborder.cl
+++ b/modules/core/src/opencl/copymakeborder.cl
@@ -0,0 +1,132 @@
+//                           License Agreement
+//                For Open Source Computer Vision Library
+//
+// Copyright (C) 2010-2012, Institute Of Software Chinese Academy Of Science, all rights reserved.
+// Copyright (C) 2010-2012, Advanced Micro Devices, Inc., all rights reserved.
+// Third party copyrights are property of their respective owners.
+//
+// @Authors
+//    Niko Li, newlife20080214@gmail.com
+//    Zero Lin zero.lin@amd.com
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+//
+//   * Redistribution's of source code must retain the above copyright notice,
+//     this list of conditions and the following disclaimer.
+//
+//   * Redistribution's in binary form must reproduce the above copyright notice,
+//     this list of conditions and the following disclaimer in the documentation
+//     and/or other materials provided with the distribution.
+//
+//   * The name of the copyright holders may not be used to endorse or promote products
+//     derived from this software without specific prior written permission.
+//
+// This software is provided by the copyright holders and contributors as is and
+// any express or implied warranties, including, but not limited to, the implied
+// warranties of merchantability and fitness for a particular purpose are disclaimed.
+// In no event shall the Intel Corporation or contributors be liable for any direct,
+// indirect, incidental, special, exemplary, or consequential damages
+// (including, but not limited to, procurement of substitute goods or services;
+// loss of use, data, or profits; or business interruption) however caused
+// and on any theory of liability, whether in contract, strict liability,
+// or tort (including negligence or otherwise) arising in any way out of
+// the use of this software, even if advised of the possibility of such damage.
+//
+//
+
+#ifdef DOUBLE_SUPPORT
+#ifdef cl_amd_fp64
+#pragma OPENCL EXTENSION cl_amd_fp64:enable
+#elif defined (cl_khr_fp64)
+#pragma OPENCL EXTENSION cl_khr_fp64:enable
+#endif
+#endif
+
+#ifdef BORDER_CONSTANT
+#define EXTRAPOLATE(x, y, v) v = scalar;
+#elif defined BORDER_REPLICATE
+#define EXTRAPOLATE(x, y, v) \
+    { \
+        x = max(min(x, src_cols - 1), 0); \
+        y = max(min(y, src_rows - 1), 0); \
+        v = *(__global const T *)(srcptr + mad24(y, src_step, x * (int)sizeof(T) + src_offset)); \
+    }
+#elif defined BORDER_WRAP
+#define EXTRAPOLATE(x, y, v) \
+    { \
+        if (x < 0) \
+            x -= ((x - src_cols + 1) / src_cols) * src_cols; \
+        if (x >= src_cols) \
+            x %= src_cols; \
+        \
+        if (y < 0) \
+            y -= ((y - src_rows + 1) / src_rows) * src_rows; \
+        if( y >= src_rows ) \
+            y %= src_rows; \
+        v = *(__global const T *)(srcptr + mad24(y, src_step, x * (int)sizeof(T) + src_offset)); \
+    }
+#elif defined(BORDER_REFLECT) || defined(BORDER_REFLECT_101)
+#ifdef BORDER_REFLECT
+#define DELTA int delta = 0
+#else
+#define DELTA int delta = 1
+#endif
+#define EXTRAPOLATE(x, y, v) \
+    { \
+        DELTA; \
+        if (src_cols == 1) \
+            x = 0; \
+        else \
+            do \
+            { \
+                if( x < 0 ) \
+                    x = -x - 1 + delta; \
+                else \
+                    x = src_cols - 1 - (x - src_cols) - delta; \
+            } \
+            while (x >= src_cols || x < 0); \
+        \
+        if (src_rows == 1) \
+            y = 0; \
+        else \
+            do \
+            { \
+                if( y < 0 ) \
+                    y = -y - 1 + delta; \
+                else \
+                    y = src_rows - 1 - (y - src_rows) - delta; \
+            } \
+            while (y >= src_rows || y < 0); \
+        v = *(__global const T *)(srcptr + mad24(y, src_step, x * (int)sizeof(T) + src_offset)); \
+    }
+#else
+#error No extrapolation method
+#endif
+
+#define NEED_EXTRAPOLATION(gx, gy) (gx >= src_cols || gy >= src_rows || gx < 0 || gy < 0)
+
+__kernel void copyMakeBorder(__global const uchar * srcptr, int src_step, int src_offset, int src_rows, int src_cols,
+                             __global uchar * dstptr, int dst_step, int dst_offset, int dst_rows, int dst_cols,
+                             int top, int left, T scalar)
+{
+    int x = get_global_id(0);
+    int y = get_global_id(1);
+
+    if (x < dst_cols && y < dst_rows)
+    {
+        int src_x = x - left;
+        int src_y = y - top;
+
+        int dst_index = mad24(y, dst_step, x * (int)sizeof(T) + dst_offset);
+        __global T * dst = (__global T *)(dstptr + dst_index);
+
+        if (NEED_EXTRAPOLATION(src_x, src_y))
+            EXTRAPOLATE(src_x, src_y, dst[0])
+        else
+        {
+            int src_index = mad24(src_y, src_step, src_x * (int)sizeof(T) + src_offset);
+            __global const T * src = (__global const T *)(srcptr + src_index);
+            dst[0] = src[0];
+        }
+    }
+}