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