opencv/modules/core/src/opencl/mixchannels.cl
2014-05-26 12:19:06 +03:00

73 lines
3.3 KiB
Common Lisp

/*M///////////////////////////////////////////////////////////////////////////////////////
//
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//
// License Agreement
// For Open Source Computer Vision Library
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//M*/
#define DECLARE_INPUT_MAT(i) \
__global const uchar * src##i##ptr, int src##i##_step, int src##i##_offset,
#define DECLARE_OUTPUT_MAT(i) \
__global uchar * dst##i##ptr, int dst##i##_step, int dst##i##_offset,
#define DECLARE_INDEX(i) \
int src##i##_index = mad24(src##i##_step, y0, mad24(x, (int)sizeof(T) * scn##i, src##i##_offset)); \
int dst##i##_index = mad24(dst##i##_step, y0, mad24(x, (int)sizeof(T) * dcn##i, dst##i##_offset));
#define PROCESS_ELEM(i) \
__global const T * src##i = (__global const T *)(src##i##ptr + src##i##_index); \
__global T * dst##i = (__global T *)(dst##i##ptr + dst##i##_index); \
dst##i[0] = src##i[0]; \
src##i##_index += src##i##_step; \
dst##i##_index += dst##i##_step;
__kernel void mixChannels(DECLARE_INPUT_MAT_N DECLARE_OUTPUT_MAT_N int rows, int cols, int rowsPerWI)
{
int x = get_global_id(0);
int y0 = get_global_id(1) * rowsPerWI;
if (x < cols)
{
DECLARE_INDEX_N
for (int y = y0, y1 = min(y0 + rowsPerWI, rows); y < y1; ++y)
{
PROCESS_ELEM_N
}
}
}