arithm_addWeighted.cl 3.4 KB
/*M///////////////////////////////////////////////////////////////////////////////////////
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// @Authors
//    Jia Haipeng, jiahaipeng95@gmail.com
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#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

//////////////////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////addWeighted//////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////////////

__kernel void addWeighted(__global T * src1, int src1_step1, int src1_offset1,
                              __global T * src2, int src2_step1, int src2_offset1,
                              __global T * dst, int dst_step1, int dst_offset1,
                              WT alpha, WT beta, WT gama,
                              int cols1, int rows)
{
    int x = get_global_id(0);
    int y = get_global_id(1);

    if (x < cols1 && y < rows)
    {
        int src1_index = mad24(y, src1_step1, x + src1_offset1);
        int src2_index = mad24(y, src2_step1, x + src2_offset1);
        int dst_index = mad24(y, dst_step1, x + dst_offset1);

        dst[dst_index] = convertToT(src1[src1_index]*alpha + src2[src2_index]*beta + gama);
    }
}