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modules/core/src/opencl/repeat.cl
47 строк
2 KB
Ilya Lavrenov
optimized cv::repeat
23 май 2014, 14:16
23 май 2014, 14:16
c83455d
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// This file is part of OpenCV project. // It is subject to the license terms in the LICENSE file found in the top-level directory // of this distribution and at http://opencv.org/license.html. // Copyright (C) 2014, Itseez, Inc., all rights reserved. // Third party copyrights are property of their respective owners. #if cn != 3 #define loadpix(addr) *(__global const T *)(addr) #define storepix(val, addr) *(__global T *)(addr) = val #define TSIZE (int)sizeof(T) #else #define loadpix(addr) vload3(0, (__global const T1 *)(addr)) #define storepix(val, addr) vstore3(val, 0, (__global T1 *)(addr)) #define TSIZE ((int)sizeof(T1)*3) #endif __kernel void repeat(__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 x = get_global_id(0); int y0 = get_global_id(1) * rowsPerWI; if (x < src_cols) { int src_index = mad24(y0, src_step, mad24(x, (int)sizeof(T), src_offset)); int dst_index0 = mad24(y0, dst_step, mad24(x, (int)sizeof(T), dst_offset)); for (int y = y0, y1 = min(src_rows, y0 + rowsPerWI); y < y1; ++y, src_index += src_step, dst_index0 += dst_step) { T srcelem = loadpix(srcptr + src_index); #pragma unroll for (int ey = 0; ey < ny; ++ey) { int dst_index = mad24(ey * src_rows, dst_step, dst_index0); #pragma unroll for (int ex = 0; ex < nx; ++ex) { storepix(srcelem, dstptr + dst_index); dst_index = mad24(src_cols, (int)sizeof(T), dst_index); } } } } }