/*M/////////////////////////////////////////////////////////////////////////////////////// // // IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. // // By downloading, copying, installing or using the software you agree to this license. // If you do not agree to this license, do not download, install, // copy or use the software. // // // License Agreement // For Open Source Computer Vision Library // // Copyright (C) 2010-2012, Multicoreware, Inc., all rights reserved. // Copyright (C) 2010,2014, Advanced Micro Devices, Inc., all rights reserved. // Third party copyrights are property of their respective owners. // // @Authors // Dachuan Zhao, dachuan@multicorewareinc.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. // //M*/ int idx_row_low(int y, int last_row) { return abs(y) % (last_row + 1); } int idx_row_high(int y, int last_row) { return abs(last_row - (int)abs(last_row - y)) % (last_row + 1); } int idx_row(int y, int last_row) { return idx_row_low(idx_row_high(y, last_row), last_row); } int idx_col_low(int x, int last_col) { return abs(x) % (last_col + 1); } int idx_col_high(int x, int last_col) { return abs(last_col - (int)abs(last_col - x)) % (last_col + 1); } int idx_col(int x, int last_col) { return idx_col_low(idx_col_high(x, last_col), last_col); } /////////////////////////////////////////////////////////////////////// ////////////////////////// CV_8UC1 /////////////////////////////////// /////////////////////////////////////////////////////////////////////// __kernel void pyrDown_C1_D0(__global uchar * srcData, int srcStep, int srcRows, int srcCols, __global uchar *dst, int dstStep, int dstCols) { const int x = get_global_id(0); const int y = get_group_id(1); __local float smem[256 + 4]; float sum; const int src_y = 2*y; const int last_row = srcRows - 1; const int last_col = srcCols - 1; if (src_y >= 2 && src_y < srcRows - 2 && x >= 2 && x < srcCols - 2) { sum = 0.0625f * (((srcData + (src_y - 2) * srcStep))[x]); sum = sum + 0.25f * (((srcData + (src_y - 1) * srcStep))[x]); sum = sum + 0.375f * (((srcData + (src_y ) * srcStep))[x]); sum = sum + 0.25f * (((srcData + (src_y + 1) * srcStep))[x]); sum = sum + 0.0625f * (((srcData + (src_y + 2) * srcStep))[x]); smem[2 + get_local_id(0)] = sum; if (get_local_id(0) < 2) { const int left_x = x - 2; sum = 0.0625f * (((srcData + (src_y - 2) * srcStep))[left_x]); sum = sum + 0.25f * (((srcData + (src_y - 1) * srcStep))[left_x]); sum = sum + 0.375f * (((srcData + (src_y ) * srcStep))[left_x]); sum = sum + 0.25f * (((srcData + (src_y + 1) * srcStep))[left_x]); sum = sum + 0.0625f * (((srcData + (src_y + 2) * srcStep))[left_x]); smem[get_local_id(0)] = sum; } if (get_local_id(0) > 253) { const int right_x = x + 2; sum = 0.0625f * (((srcData + (src_y - 2) * srcStep))[right_x]); sum = sum + 0.25f * (((srcData + (src_y - 1) * srcStep))[right_x]); sum = sum + 0.375f * (((srcData + (src_y ) * srcStep))[right_x]); sum = sum + 0.25f * (((srcData + (src_y + 1) * srcStep))[right_x]); sum = sum + 0.0625f * (((srcData + (src_y + 2) * srcStep))[right_x]); smem[4 + get_local_id(0)] = sum; } } else { int col = idx_col(x, last_col); sum = 0.0625f * (((srcData + idx_row(src_y - 2, last_row) * srcStep))[col]); sum = sum + 0.25f * (((srcData + idx_row(src_y - 1, last_row) * srcStep))[col]); sum = sum + 0.375f * (((srcData + idx_row(src_y , last_row) * srcStep))[col]); sum = sum + 0.25f * (((srcData + idx_row(src_y + 1, last_row) * srcStep))[col]); sum = sum + 0.0625f * (((srcData + idx_row(src_y + 2, last_row) * srcStep))[col]); smem[2 + get_local_id(0)] = sum; if (get_local_id(0) < 2) { const int left_x = x - 2; col = idx_col(left_x, last_col); sum = 0.0625f * (((srcData + idx_row(src_y - 2, last_row) * srcStep))[col]); sum = sum + 0.25f * (((srcData + idx_row(src_y - 1, last_row) * srcStep))[col]); sum = sum + 0.375f * (((srcData + idx_row(src_y , last_row) * srcStep))[col]); sum = sum + 0.25f * (((srcData + idx_row(src_y + 1, last_row) * srcStep))[col]); sum = sum + 0.0625f * (((srcData + idx_row(src_y + 2, last_row) * srcStep))[col]); smem[get_local_id(0)] = sum; } if (get_local_id(0) > 253) { const int right_x = x + 2; col = idx_col(right_x, last_col); sum = 0.0625f * (((srcData + idx_row(src_y - 2, last_row) * srcStep))[col]); sum = sum + 0.25f * (((srcData + idx_row(src_y - 1, last_row) * srcStep))[col]); sum = sum + 0.375f * (((srcData + idx_row(src_y , last_row) * srcStep))[col]); sum = sum + 0.25f * (((srcData + idx_row(src_y + 1, last_row) * srcStep))[col]); sum = sum + 0.0625f * (((srcData + idx_row(src_y + 2, last_row) * srcStep))[col]); smem[4 + get_local_id(0)] = sum; } } barrier(CLK_LOCAL_MEM_FENCE); if (get_local_id(0) < 128) { const int tid2 = get_local_id(0) * 2; sum = 0.0625f * smem[2 + tid2 - 2]; sum = sum + 0.25f * smem[2 + tid2 - 1]; sum = sum + 0.375f * smem[2 + tid2 ]; sum = sum + 0.25f * smem[2 + tid2 + 1]; sum = sum + 0.0625f * smem[2 + tid2 + 2]; const int dst_x = (get_group_id(0) * get_local_size(0) + tid2) / 2; if (dst_x < dstCols) dst[y * dstStep + dst_x] = convert_uchar_sat_rte(sum); } } /////////////////////////////////////////////////////////////////////// ////////////////////////// CV_8UC4 /////////////////////////////////// /////////////////////////////////////////////////////////////////////// __kernel void pyrDown_C4_D0(__global uchar4 * srcData, int srcStep, int srcRows, int srcCols, __global uchar4 *dst, int dstStep, int dstCols) { const int x = get_global_id(0); const int y = get_group_id(1); __local float4 smem[256 + 4]; float4 sum; const int src_y = 2*y; const int last_row = srcRows - 1; const int last_col = srcCols - 1; float4 co1 = 0.375f; float4 co2 = 0.25f; float4 co3 = 0.0625f; if (src_y >= 2 && src_y < srcRows - 2 && x >= 2 && x < srcCols - 2) { sum = co3 * convert_float4((((srcData + (src_y - 2) * srcStep / 4))[x])); sum = sum + co2 * convert_float4((((srcData + (src_y - 1) * srcStep / 4))[x])); sum = sum + co1 * convert_float4((((srcData + (src_y ) * srcStep / 4))[x])); sum = sum + co2 * convert_float4((((srcData + (src_y + 1) * srcStep / 4))[x])); sum = sum + co3 * convert_float4((((srcData + (src_y + 2) * srcStep / 4))[x])); smem[2 + get_local_id(0)] = sum; if (get_local_id(0) < 2) { const int left_x = x - 2; sum = co3 * convert_float4((((srcData + (src_y - 2) * srcStep / 4))[left_x])); sum = sum + co2 * convert_float4((((srcData + (src_y - 1) * srcStep / 4))[left_x])); sum = sum + co1 * convert_float4((((srcData + (src_y ) * srcStep / 4))[left_x])); sum = sum + co2 * convert_float4((((srcData + (src_y + 1) * srcStep / 4))[left_x])); sum = sum + co3 * convert_float4((((srcData + (src_y + 2) * srcStep / 4))[left_x])); smem[get_local_id(0)] = sum; } if (get_local_id(0) > 253) { const int right_x = x + 2; sum = co3 * convert_float4((((srcData + (src_y - 2) * srcStep / 4))[right_x])); sum = sum + co2 * convert_float4((((srcData + (src_y - 1) * srcStep / 4))[right_x])); sum = sum + co1 * convert_float4((((srcData + (src_y ) * srcStep / 4))[right_x])); sum = sum + co2 * convert_float4((((srcData + (src_y + 1) * srcStep / 4))[right_x])); sum = sum + co3 * convert_float4((((srcData + (src_y + 2) * srcStep / 4))[right_x])); smem[4 + get_local_id(0)] = sum; } } else { int col = idx_col(x, last_col); sum = co3 * convert_float4((((srcData + idx_row(src_y - 2, last_row) * srcStep / 4))[col])); sum = sum + co2 * convert_float4((((srcData + idx_row(src_y - 1, last_row) * srcStep / 4))[col])); sum = sum + co1 * convert_float4((((srcData + idx_row(src_y , last_row) * srcStep / 4))[col])); sum = sum + co2 * convert_float4((((srcData + idx_row(src_y + 1, last_row) * srcStep / 4))[col])); sum = sum + co3 * convert_float4((((srcData + idx_row(src_y + 2, last_row) * srcStep / 4))[col])); smem[2 + get_local_id(0)] = sum; if (get_local_id(0) < 2) { const int left_x = x - 2; col = idx_col(left_x, last_col); sum = co3 * convert_float4((((srcData + idx_row(src_y - 2, last_row) * srcStep / 4))[col])); sum = sum + co2 * convert_float4((((srcData + idx_row(src_y - 1, last_row) * srcStep / 4))[col])); sum = sum + co1 * convert_float4((((srcData + idx_row(src_y , last_row) * srcStep / 4))[col])); sum = sum + co2 * convert_float4((((srcData + idx_row(src_y + 1, last_row) * srcStep / 4))[col])); sum = sum + co3 * convert_float4((((srcData + idx_row(src_y + 2, last_row) * srcStep / 4))[col])); smem[get_local_id(0)] = sum; } if (get_local_id(0) > 253) { const int right_x = x + 2; col = idx_col(right_x, last_col); sum = co3 * convert_float4((((srcData + idx_row(src_y - 2, last_row) * srcStep / 4))[col])); sum = sum + co2 * convert_float4((((srcData + idx_row(src_y - 1, last_row) * srcStep / 4))[col])); sum = sum + co1 * convert_float4((((srcData + idx_row(src_y , last_row) * srcStep / 4))[col])); sum = sum + co2 * convert_float4((((srcData + idx_row(src_y + 1, last_row) * srcStep / 4))[col])); sum = sum + co3 * convert_float4((((srcData + idx_row(src_y + 2, last_row) * srcStep / 4))[col])); smem[4 + get_local_id(0)] = sum; } } barrier(CLK_LOCAL_MEM_FENCE); if (get_local_id(0) < 128) { const int tid2 = get_local_id(0) * 2; sum = co3 * smem[2 + tid2 - 2]; sum = sum + co2 * smem[2 + tid2 - 1]; sum = sum + co1 * smem[2 + tid2 ]; sum = sum + co2 * smem[2 + tid2 + 1]; sum = sum + co3 * smem[2 + tid2 + 2]; const int dst_x = (get_group_id(0) * get_local_size(0) + tid2) / 2; if (dst_x < dstCols) dst[y * dstStep / 4 + dst_x] = convert_uchar4_sat_rte(sum); } } /////////////////////////////////////////////////////////////////////// ////////////////////////// CV_16UC1 ////////////////////////////////// /////////////////////////////////////////////////////////////////////// __kernel void pyrDown_C1_D2(__global ushort * srcData, int srcStep, int srcRows, int srcCols, __global ushort *dst, int dstStep, int dstCols) { const int x = get_global_id(0); const int y = get_group_id(1); __local float smem[256 + 4]; float sum; const int src_y = 2*y; const int last_row = srcRows - 1; const int last_col = srcCols - 1; if (src_y >= 2 && src_y < srcRows - 2 && x >= 2 && x < srcCols - 2) { sum = 0.0625f * ((__global ushort*)((__global char*)srcData + (src_y - 2) * srcStep))[x]; sum = sum + 0.25f * ((__global ushort*)((__global char*)srcData + (src_y - 1) * srcStep))[x]; sum = sum + 0.375f * ((__global ushort*)((__global char*)srcData + (src_y ) * srcStep))[x]; sum = sum + 0.25f * ((__global ushort*)((__global char*)srcData + (src_y + 1) * srcStep))[x]; sum = sum + 0.0625f * ((__global ushort*)((__global char*)srcData + (src_y + 2) * srcStep))[x]; smem[2 + get_local_id(0)] = sum; if (get_local_id(0) < 2) { const int left_x = x - 2; sum = 0.0625f * ((__global ushort*)((__global char*)srcData + (src_y - 2) * srcStep))[left_x]; sum = sum + 0.25f * ((__global ushort*)((__global char*)srcData + (src_y - 1) * srcStep))[left_x]; sum = sum + 0.375f * ((__global ushort*)((__global char*)srcData + (src_y ) * srcStep))[left_x]; sum = sum + 0.25f * ((__global ushort*)((__global char*)srcData + (src_y + 1) * srcStep))[left_x]; sum = sum + 0.0625f * ((__global ushort*)((__global char*)srcData + (src_y + 2) * srcStep))[left_x]; smem[get_local_id(0)] = sum; } if (get_local_id(0) > 253) { const int right_x = x + 2; sum = 0.0625f * ((__global ushort*)((__global char*)srcData + (src_y - 2) * srcStep))[right_x]; sum = sum + 0.25f * ((__global ushort*)((__global char*)srcData + (src_y - 1) * srcStep))[right_x]; sum = sum + 0.375f * ((__global ushort*)((__global char*)srcData + (src_y ) * srcStep))[right_x]; sum = sum + 0.25f * ((__global ushort*)((__global char*)srcData + (src_y + 1) * srcStep))[right_x]; sum = sum + 0.0625f * ((__global ushort*)((__global char*)srcData + (src_y + 2) * srcStep))[right_x]; smem[4 + get_local_id(0)] = sum; } } else { int col = idx_col(x, last_col); sum = 0.0625f * ((__global ushort*)((__global char*)srcData + idx_row(src_y - 2, last_row) * srcStep))[col]; sum = sum + 0.25f * ((__global ushort*)((__global char*)srcData + idx_row(src_y - 1, last_row) * srcStep))[col]; sum = sum + 0.375f * ((__global ushort*)((__global char*)srcData + idx_row(src_y , last_row) * srcStep))[col]; sum = sum + 0.25f * ((__global ushort*)((__global char*)srcData + idx_row(src_y + 1, last_row) * srcStep))[col]; sum = sum + 0.0625f * ((__global ushort*)((__global char*)srcData + idx_row(src_y + 2, last_row) * srcStep))[col]; smem[2 + get_local_id(0)] = sum; if (get_local_id(0) < 2) { const int left_x = x - 2; col = idx_col(left_x, last_col); sum = 0.0625f * ((__global ushort*)((__global char*)srcData + idx_row(src_y - 2, last_row) * srcStep))[col]; sum = sum + 0.25f * ((__global ushort*)((__global char*)srcData + idx_row(src_y - 1, last_row) * srcStep))[col]; sum = sum + 0.375f * ((__global ushort*)((__global char*)srcData + idx_row(src_y , last_row) * srcStep))[col]; sum = sum + 0.25f * ((__global ushort*)((__global char*)srcData + idx_row(src_y + 1, last_row) * srcStep))[col]; sum = sum + 0.0625f * ((__global ushort*)((__global char*)srcData + idx_row(src_y + 2, last_row) * srcStep))[col]; smem[get_local_id(0)] = sum; } if (get_local_id(0) > 253) { const int right_x = x + 2; col = idx_col(right_x, last_col); sum = 0.0625f * ((__global ushort*)((__global char*)srcData + idx_row(src_y - 2, last_row) * srcStep))[col]; sum = sum + 0.25f * ((__global ushort*)((__global char*)srcData + idx_row(src_y - 1, last_row) * srcStep))[col]; sum = sum + 0.375f * ((__global ushort*)((__global char*)srcData + idx_row(src_y , last_row) * srcStep))[col]; sum = sum + 0.25f * ((__global ushort*)((__global char*)srcData + idx_row(src_y + 1, last_row) * srcStep))[col]; sum = sum + 0.0625f * ((__global ushort*)((__global char*)srcData + idx_row(src_y + 2, last_row) * srcStep))[col]; smem[4 + get_local_id(0)] = sum; } } barrier(CLK_LOCAL_MEM_FENCE); if (get_local_id(0) < 128) { const int tid2 = get_local_id(0) * 2; sum = 0.0625f * smem[2 + tid2 - 2]; sum = sum + 0.25f * smem[2 + tid2 - 1]; sum = sum + 0.375f * smem[2 + tid2 ]; sum = sum + 0.25f * smem[2 + tid2 + 1]; sum = sum + 0.0625f * smem[2 + tid2 + 2]; const int dst_x = (get_group_id(0) * get_local_size(0) + tid2) / 2; if (dst_x < dstCols) dst[y * dstStep / 2 + dst_x] = convert_ushort_sat_rte(sum); } } /////////////////////////////////////////////////////////////////////// ////////////////////////// CV_16UC4 ////////////////////////////////// /////////////////////////////////////////////////////////////////////// __kernel void pyrDown_C4_D2(__global ushort4 * srcData, int srcStep, int srcRows, int srcCols, __global ushort4 *dst, int dstStep, int dstCols) { const int x = get_global_id(0); const int y = get_group_id(1); __local float4 smem[256 + 4]; float4 sum; const int src_y = 2*y; const int last_row = srcRows - 1; const int last_col = srcCols - 1; float4 co1 = 0.375f; float4 co2 = 0.25f; float4 co3 = 0.0625f; if (src_y >= 2 && src_y < srcRows - 2 && x >= 2 && x < srcCols - 2) { sum = co3 * convert_float4(((__global ushort4*)((__global char4*)srcData + (src_y - 2) * srcStep / 4))[x]); sum = sum + co2 * convert_float4(((__global ushort4*)((__global char4*)srcData + (src_y - 1) * srcStep / 4))[x]); sum = sum + co1 * convert_float4(((__global ushort4*)((__global char4*)srcData + (src_y ) * srcStep / 4))[x]); sum = sum + co2 * convert_float4(((__global ushort4*)((__global char4*)srcData + (src_y + 1) * srcStep / 4))[x]); sum = sum + co3 * convert_float4(((__global ushort4*)((__global char4*)srcData + (src_y + 2) * srcStep / 4))[x]); smem[2 + get_local_id(0)] = sum; if (get_local_id(0) < 2) { const int left_x = x - 2; sum = co3 * convert_float4(((__global ushort4*)((__global char4*)srcData + (src_y - 2) * srcStep / 4))[left_x]); sum = sum + co2 * convert_float4(((__global ushort4*)((__global char4*)srcData + (src_y - 1) * srcStep / 4))[left_x]); sum = sum + co1 * convert_float4(((__global ushort4*)((__global char4*)srcData + (src_y ) * srcStep / 4))[left_x]); sum = sum + co2 * convert_float4(((__global ushort4*)((__global char4*)srcData + (src_y + 1) * srcStep / 4))[left_x]); sum = sum + co3 * convert_float4(((__global ushort4*)((__global char4*)srcData + (src_y + 2) * srcStep / 4))[left_x]); smem[get_local_id(0)] = sum; } if (get_local_id(0) > 253) { const int right_x = x + 2; sum = co3 * convert_float4(((__global ushort4*)((__global char4*)srcData + (src_y - 2) * srcStep / 4))[right_x]); sum = sum + co2 * convert_float4(((__global ushort4*)((__global char4*)srcData + (src_y - 1) * srcStep / 4))[right_x]); sum = sum + co1 * convert_float4(((__global ushort4*)((__global char4*)srcData + (src_y ) * srcStep / 4))[right_x]); sum = sum + co2 * convert_float4(((__global ushort4*)((__global char4*)srcData + (src_y + 1) * srcStep / 4))[right_x]); sum = sum + co3 * convert_float4(((__global ushort4*)((__global char4*)srcData + (src_y + 2) * srcStep / 4))[right_x]); smem[4 + get_local_id(0)] = sum; } } else { int col = idx_col(x, last_col); sum = co3 * convert_float4(((__global ushort4*)((__global char4*)srcData + idx_row(src_y - 2, last_row) * srcStep / 4))[col]); sum = sum + co2 * convert_float4(((__global ushort4*)((__global char4*)srcData + idx_row(src_y - 1, last_row) * srcStep / 4))[col]); sum = sum + co1 * convert_float4(((__global ushort4*)((__global char4*)srcData + idx_row(src_y , last_row) * srcStep / 4))[col]); sum = sum + co2 * convert_float4(((__global ushort4*)((__global char4*)srcData + idx_row(src_y + 1, last_row) * srcStep / 4))[col]); sum = sum + co3 * convert_float4(((__global ushort4*)((__global char4*)srcData + idx_row(src_y + 2, last_row) * srcStep / 4))[col]); smem[2 + get_local_id(0)] = sum; if (get_local_id(0) < 2) { const int left_x = x - 2; col = idx_col(left_x, last_col); sum = co3 * convert_float4(((__global ushort4*)((__global char4*)srcData + idx_row(src_y - 2, last_row) * srcStep / 4))[col]); sum = sum + co2 * convert_float4(((__global ushort4*)((__global char4*)srcData + idx_row(src_y - 1, last_row) * srcStep / 4))[col]); sum = sum + co1 * convert_float4(((__global ushort4*)((__global char4*)srcData + idx_row(src_y , last_row) * srcStep / 4))[col]); sum = sum + co2 * convert_float4(((__global ushort4*)((__global char4*)srcData + idx_row(src_y + 1, last_row) * srcStep / 4))[col]); sum = sum + co3 * convert_float4(((__global ushort4*)((__global char4*)srcData + idx_row(src_y + 2, last_row) * srcStep / 4))[col]); smem[get_local_id(0)] = sum; } if (get_local_id(0) > 253) { const int right_x = x + 2; col = idx_col(right_x, last_col); sum = co3 * convert_float4(((__global ushort4*)((__global char4*)srcData + idx_row(src_y - 2, last_row) * srcStep / 4))[col]); sum = sum + co2 * convert_float4(((__global ushort4*)((__global char4*)srcData + idx_row(src_y - 1, last_row) * srcStep / 4))[col]); sum = sum + co1 * convert_float4(((__global ushort4*)((__global char4*)srcData + idx_row(src_y , last_row) * srcStep / 4))[col]); sum = sum + co2 * convert_float4(((__global ushort4*)((__global char4*)srcData + idx_row(src_y + 1, last_row) * srcStep / 4))[col]); sum = sum + co3 * convert_float4(((__global ushort4*)((__global char4*)srcData + idx_row(src_y + 2, last_row) * srcStep / 4))[col]); smem[4 + get_local_id(0)] = sum; } } barrier(CLK_LOCAL_MEM_FENCE); if (get_local_id(0) < 128) { const int tid2 = get_local_id(0) * 2; sum = co3 * smem[2 + tid2 - 2]; sum = sum + co2 * smem[2 + tid2 - 1]; sum = sum + co1 * smem[2 + tid2 ]; sum = sum + co2 * smem[2 + tid2 + 1]; sum = sum + co3 * smem[2 + tid2 + 2]; const int dst_x = (get_group_id(0) * get_local_size(0) + tid2) / 2; if (dst_x < dstCols) dst[y * dstStep / 8 + dst_x] = convert_ushort4_sat_rte(sum); } } /////////////////////////////////////////////////////////////////////// ////////////////////////// CV_16SC1 ////////////////////////////////// /////////////////////////////////////////////////////////////////////// __kernel void pyrDown_C1_D3(__global short * srcData, int srcStep, int srcRows, int srcCols, __global short *dst, int dstStep, int dstCols) { const int x = get_global_id(0); const int y = get_group_id(1); __local float smem[256 + 4]; float sum; const int src_y = 2*y; const int last_row = srcRows - 1; const int last_col = srcCols - 1; if (src_y >= 2 && src_y < srcRows - 2 && x >= 2 && x < srcCols - 2) { sum = 0.0625f * ((__global short*)((__global char*)srcData + (src_y - 2) * srcStep))[x]; sum = sum + 0.25f * ((__global short*)((__global char*)srcData + (src_y - 1) * srcStep))[x]; sum = sum + 0.375f * ((__global short*)((__global char*)srcData + (src_y ) * srcStep))[x]; sum = sum + 0.25f * ((__global short*)((__global char*)srcData + (src_y + 1) * srcStep))[x]; sum = sum + 0.0625f * ((__global short*)((__global char*)srcData + (src_y + 2) * srcStep))[x]; smem[2 + get_local_id(0)] = sum; if (get_local_id(0) < 2) { const int left_x = x - 2; sum = 0.0625f * ((__global short*)((__global char*)srcData + (src_y - 2) * srcStep))[left_x]; sum = sum + 0.25f * ((__global short*)((__global char*)srcData + (src_y - 1) * srcStep))[left_x]; sum = sum + 0.375f * ((__global short*)((__global char*)srcData + (src_y ) * srcStep))[left_x]; sum = sum + 0.25f * ((__global short*)((__global char*)srcData + (src_y + 1) * srcStep))[left_x]; sum = sum + 0.0625f * ((__global short*)((__global char*)srcData + (src_y + 2) * srcStep))[left_x]; smem[get_local_id(0)] = sum; } if (get_local_id(0) > 253) { const int right_x = x + 2; sum = 0.0625f * ((__global short*)((__global char*)srcData + (src_y - 2) * srcStep))[right_x]; sum = sum + 0.25f * ((__global short*)((__global char*)srcData + (src_y - 1) * srcStep))[right_x]; sum = sum + 0.375f * ((__global short*)((__global char*)srcData + (src_y ) * srcStep))[right_x]; sum = sum + 0.25f * ((__global short*)((__global char*)srcData + (src_y + 1) * srcStep))[right_x]; sum = sum + 0.0625f * ((__global short*)((__global char*)srcData + (src_y + 2) * srcStep))[right_x]; smem[4 + get_local_id(0)] = sum; } } else { int col = idx_col(x, last_col); sum = 0.0625f * ((__global short*)((__global char*)srcData + idx_row(src_y - 2, last_row) * srcStep))[col]; sum = sum + 0.25f * ((__global short*)((__global char*)srcData + idx_row(src_y - 1, last_row) * srcStep))[col]; sum = sum + 0.375f * ((__global short*)((__global char*)srcData + idx_row(src_y , last_row) * srcStep))[col]; sum = sum + 0.25f * ((__global short*)((__global char*)srcData + idx_row(src_y + 1, last_row) * srcStep))[col]; sum = sum + 0.0625f * ((__global short*)((__global char*)srcData + idx_row(src_y + 2, last_row) * srcStep))[col]; smem[2 + get_local_id(0)] = sum; if (get_local_id(0) < 2) { const int left_x = x - 2; col = idx_col(left_x, last_col); sum = 0.0625f * ((__global short*)((__global char*)srcData + idx_row(src_y - 2, last_row) * srcStep))[col]; sum = sum + 0.25f * ((__global short*)((__global char*)srcData + idx_row(src_y - 1, last_row) * srcStep))[col]; sum = sum + 0.375f * ((__global short*)((__global char*)srcData + idx_row(src_y , last_row) * srcStep))[col]; sum = sum + 0.25f * ((__global short*)((__global char*)srcData + idx_row(src_y + 1, last_row) * srcStep))[col]; sum = sum + 0.0625f * ((__global short*)((__global char*)srcData + idx_row(src_y + 2, last_row) * srcStep))[col]; smem[get_local_id(0)] = sum; } if (get_local_id(0) > 253) { const int right_x = x + 2; col = idx_col(right_x, last_col); sum = 0.0625f * ((__global short*)((__global char*)srcData + idx_row(src_y - 2, last_row) * srcStep))[col]; sum = sum + 0.25f * ((__global short*)((__global char*)srcData + idx_row(src_y - 1, last_row) * srcStep))[col]; sum = sum + 0.375f * ((__global short*)((__global char*)srcData + idx_row(src_y , last_row) * srcStep))[col]; sum = sum + 0.25f * ((__global short*)((__global char*)srcData + idx_row(src_y + 1, last_row) * srcStep))[col]; sum = sum + 0.0625f * ((__global short*)((__global char*)srcData + idx_row(src_y + 2, last_row) * srcStep))[col]; smem[4 + get_local_id(0)] = sum; } } barrier(CLK_LOCAL_MEM_FENCE); if (get_local_id(0) < 128) { const int tid2 = get_local_id(0) * 2; sum = 0.0625f * smem[2 + tid2 - 2]; sum = sum + 0.25f * smem[2 + tid2 - 1]; sum = sum + 0.375f * smem[2 + tid2 ]; sum = sum + 0.25f * smem[2 + tid2 + 1]; sum = sum + 0.0625f * smem[2 + tid2 + 2]; const int dst_x = (get_group_id(0) * get_local_size(0) + tid2) / 2; if (dst_x < dstCols) dst[y * dstStep / 2 + dst_x] = convert_short_sat_rte(sum); } } /////////////////////////////////////////////////////////////////////// ////////////////////////// CV_16SC4 ////////////////////////////////// /////////////////////////////////////////////////////////////////////// __kernel void pyrDown_C4_D3(__global short4 * srcData, int srcStep, int srcRows, int srcCols, __global short4 *dst, int dstStep, int dstCols) { const int x = get_global_id(0); const int y = get_group_id(1); __local float4 smem[256 + 4]; float4 sum; const int src_y = 2*y; const int last_row = srcRows - 1; const int last_col = srcCols - 1; float4 co1 = 0.375f; float4 co2 = 0.25f; float4 co3 = 0.0625f; if (src_y >= 2 && src_y < srcRows - 2 && x >= 2 && x < srcCols - 2) { sum = co3 * convert_float4(((__global short4*)((__global char4*)srcData + (src_y - 2) * srcStep / 4))[x]); sum = sum + co2 * convert_float4(((__global short4*)((__global char4*)srcData + (src_y - 1) * srcStep / 4))[x]); sum = sum + co1 * convert_float4(((__global short4*)((__global char4*)srcData + (src_y ) * srcStep / 4))[x]); sum = sum + co2 * convert_float4(((__global short4*)((__global char4*)srcData + (src_y + 1) * srcStep / 4))[x]); sum = sum + co3 * convert_float4(((__global short4*)((__global char4*)srcData + (src_y + 2) * srcStep / 4))[x]); smem[2 + get_local_id(0)] = sum; if (get_local_id(0) < 2) { const int left_x = x - 2; sum = co3 * convert_float4(((__global short4*)((__global char4*)srcData + (src_y - 2) * srcStep / 4))[left_x]); sum = sum + co2 * convert_float4(((__global short4*)((__global char4*)srcData + (src_y - 1) * srcStep / 4))[left_x]); sum = sum + co1 * convert_float4(((__global short4*)((__global char4*)srcData + (src_y ) * srcStep / 4))[left_x]); sum = sum + co2 * convert_float4(((__global short4*)((__global char4*)srcData + (src_y + 1) * srcStep / 4))[left_x]); sum = sum + co3 * convert_float4(((__global short4*)((__global char4*)srcData + (src_y + 2) * srcStep / 4))[left_x]); smem[get_local_id(0)] = sum; } if (get_local_id(0) > 253) { const int right_x = x + 2; sum = co3 * convert_float4(((__global short4*)((__global char4*)srcData + (src_y - 2) * srcStep / 4))[right_x]); sum = sum + co2 * convert_float4(((__global short4*)((__global char4*)srcData + (src_y - 1) * srcStep / 4))[right_x]); sum = sum + co1 * convert_float4(((__global short4*)((__global char4*)srcData + (src_y ) * srcStep / 4))[right_x]); sum = sum + co2 * convert_float4(((__global short4*)((__global char4*)srcData + (src_y + 1) * srcStep / 4))[right_x]); sum = sum + co3 * convert_float4(((__global short4*)((__global char4*)srcData + (src_y + 2) * srcStep / 4))[right_x]); smem[4 + get_local_id(0)] = sum; } } else { int col = idx_col(x, last_col); sum = co3 * convert_float4(((__global short4*)((__global char4*)srcData + idx_row(src_y - 2, last_row) * srcStep / 4))[col]); sum = sum + co2 * convert_float4(((__global short4*)((__global char4*)srcData + idx_row(src_y - 1, last_row) * srcStep / 4))[col]); sum = sum + co1 * convert_float4(((__global short4*)((__global char4*)srcData + idx_row(src_y , last_row) * srcStep / 4))[col]); sum = sum + co2 * convert_float4(((__global short4*)((__global char4*)srcData + idx_row(src_y + 1, last_row) * srcStep / 4))[col]); sum = sum + co3 * convert_float4(((__global short4*)((__global char4*)srcData + idx_row(src_y + 2, last_row) * srcStep / 4))[col]); smem[2 + get_local_id(0)] = sum; if (get_local_id(0) < 2) { const int left_x = x - 2; col = idx_col(left_x, last_col); sum = co3 * convert_float4(((__global short4*)((__global char4*)srcData + idx_row(src_y - 2, last_row) * srcStep / 4))[col]); sum = sum + co2 * convert_float4(((__global short4*)((__global char4*)srcData + idx_row(src_y - 1, last_row) * srcStep / 4))[col]); sum = sum + co1 * convert_float4(((__global short4*)((__global char4*)srcData + idx_row(src_y , last_row) * srcStep / 4))[col]); sum = sum + co2 * convert_float4(((__global short4*)((__global char4*)srcData + idx_row(src_y + 1, last_row) * srcStep / 4))[col]); sum = sum + co3 * convert_float4(((__global short4*)((__global char4*)srcData + idx_row(src_y + 2, last_row) * srcStep / 4))[col]); smem[get_local_id(0)] = sum; } if (get_local_id(0) > 253) { const int right_x = x + 2; col = idx_col(right_x, last_col); sum = co3 * convert_float4(((__global short4*)((__global char4*)srcData + idx_row(src_y - 2, last_row) * srcStep / 4))[col]); sum = sum + co2 * convert_float4(((__global short4*)((__global char4*)srcData + idx_row(src_y - 1, last_row) * srcStep / 4))[col]); sum = sum + co1 * convert_float4(((__global short4*)((__global char4*)srcData + idx_row(src_y , last_row) * srcStep / 4))[col]); sum = sum + co2 * convert_float4(((__global short4*)((__global char4*)srcData + idx_row(src_y + 1, last_row) * srcStep / 4))[col]); sum = sum + co3 * convert_float4(((__global short4*)((__global char4*)srcData + idx_row(src_y + 2, last_row) * srcStep / 4))[col]); smem[4 + get_local_id(0)] = sum; } } barrier(CLK_LOCAL_MEM_FENCE); if (get_local_id(0) < 128) { const int tid2 = get_local_id(0) * 2; sum = co3 * smem[2 + tid2 - 2]; sum = sum + co2 * smem[2 + tid2 - 1]; sum = sum + co1 * smem[2 + tid2 ]; sum = sum + co2 * smem[2 + tid2 + 1]; sum = sum + co3 * smem[2 + tid2 + 2]; const int dst_x = (get_group_id(0) * get_local_size(0) + tid2) / 2; if (dst_x < dstCols) dst[y * dstStep / 8 + dst_x] = convert_short4_sat_rte(sum); } } /////////////////////////////////////////////////////////////////////// ////////////////////////// CV_32FC1 ////////////////////////////////// /////////////////////////////////////////////////////////////////////// __kernel void pyrDown_C1_D5(__global float * srcData, int srcStep, int srcRows, int srcCols, __global float *dst, int dstStep, int dstCols) { const int x = get_global_id(0); const int y = get_group_id(1); __local float smem[256 + 4]; float sum; const int src_y = 2*y; const int last_row = srcRows - 1; const int last_col = srcCols - 1; if (src_y >= 2 && src_y < srcRows - 2 && x >= 2 && x < srcCols - 2) { sum = 0.0625f * ((__global float*)((__global char*)srcData + (src_y - 2) * srcStep))[x]; sum = sum + 0.25f * ((__global float*)((__global char*)srcData + (src_y - 1) * srcStep))[x]; sum = sum + 0.375f * ((__global float*)((__global char*)srcData + (src_y ) * srcStep))[x]; sum = sum + 0.25f * ((__global float*)((__global char*)srcData + (src_y + 1) * srcStep))[x]; sum = sum + 0.0625f * ((__global float*)((__global char*)srcData + (src_y + 2) * srcStep))[x]; smem[2 + get_local_id(0)] = sum; if (get_local_id(0) < 2) { const int left_x = x - 2; sum = 0.0625f * ((__global float*)((__global char*)srcData + (src_y - 2) * srcStep))[left_x]; sum = sum + 0.25f * ((__global float*)((__global char*)srcData + (src_y - 1) * srcStep))[left_x]; sum = sum + 0.375f * ((__global float*)((__global char*)srcData + (src_y ) * srcStep))[left_x]; sum = sum + 0.25f * ((__global float*)((__global char*)srcData + (src_y + 1) * srcStep))[left_x]; sum = sum + 0.0625f * ((__global float*)((__global char*)srcData + (src_y + 2) * srcStep))[left_x]; smem[get_local_id(0)] = sum; } if (get_local_id(0) > 253) { const int right_x = x + 2; sum = 0.0625f * ((__global float*)((__global char*)srcData + (src_y - 2) * srcStep))[right_x]; sum = sum + 0.25f * ((__global float*)((__global char*)srcData + (src_y - 1) * srcStep))[right_x]; sum = sum + 0.375f * ((__global float*)((__global char*)srcData + (src_y ) * srcStep))[right_x]; sum = sum + 0.25f * ((__global float*)((__global char*)srcData + (src_y + 1) * srcStep))[right_x]; sum = sum + 0.0625f * ((__global float*)((__global char*)srcData + (src_y + 2) * srcStep))[right_x]; smem[4 + get_local_id(0)] = sum; } } else { int col = idx_col(x, last_col); sum = 0.0625f * ((__global float*)((__global char*)srcData + idx_row(src_y - 2, last_row) * srcStep))[col]; sum = sum + 0.25f * ((__global float*)((__global char*)srcData + idx_row(src_y - 1, last_row) * srcStep))[col]; sum = sum + 0.375f * ((__global float*)((__global char*)srcData + idx_row(src_y , last_row) * srcStep))[col]; sum = sum + 0.25f * ((__global float*)((__global char*)srcData + idx_row(src_y + 1, last_row) * srcStep))[col]; sum = sum + 0.0625f * ((__global float*)((__global char*)srcData + idx_row(src_y + 2, last_row) * srcStep))[col]; smem[2 + get_local_id(0)] = sum; if (get_local_id(0) < 2) { const int left_x = x - 2; col = idx_col(left_x, last_col); sum = 0.0625f * ((__global float*)((__global char*)srcData + idx_row(src_y - 2, last_row) * srcStep))[col]; sum = sum + 0.25f * ((__global float*)((__global char*)srcData + idx_row(src_y - 1, last_row) * srcStep))[col]; sum = sum + 0.375f * ((__global float*)((__global char*)srcData + idx_row(src_y , last_row) * srcStep))[col]; sum = sum + 0.25f * ((__global float*)((__global char*)srcData + idx_row(src_y + 1, last_row) * srcStep))[col]; sum = sum + 0.0625f * ((__global float*)((__global char*)srcData + idx_row(src_y + 2, last_row) * srcStep))[col]; smem[get_local_id(0)] = sum; } if (get_local_id(0) > 253) { const int right_x = x + 2; col = idx_col(right_x, last_col); sum = 0.0625f * ((__global float*)((__global char*)srcData + idx_row(src_y - 2, last_row) * srcStep))[col]; sum = sum + 0.25f * ((__global float*)((__global char*)srcData + idx_row(src_y - 1, last_row) * srcStep))[col]; sum = sum + 0.375f * ((__global float*)((__global char*)srcData + idx_row(src_y , last_row) * srcStep))[col]; sum = sum + 0.25f * ((__global float*)((__global char*)srcData + idx_row(src_y + 1, last_row) * srcStep))[col]; sum = sum + 0.0625f * ((__global float*)((__global char*)srcData + idx_row(src_y + 2, last_row) * srcStep))[col]; smem[4 + get_local_id(0)] = sum; } } barrier(CLK_LOCAL_MEM_FENCE); if (get_local_id(0) < 128) { const int tid2 = get_local_id(0) * 2; sum = 0.0625f * smem[2 + tid2 - 2]; sum = sum + 0.25f * smem[2 + tid2 - 1]; sum = sum + 0.375f * smem[2 + tid2 ]; sum = sum + 0.25f * smem[2 + tid2 + 1]; sum = sum + 0.0625f * smem[2 + tid2 + 2]; const int dst_x = (get_group_id(0) * get_local_size(0) + tid2) / 2; if (dst_x < dstCols) dst[y * dstStep / 4 + dst_x] = sum; } } /////////////////////////////////////////////////////////////////////// ////////////////////////// CV_32FC4 ////////////////////////////////// /////////////////////////////////////////////////////////////////////// __kernel void pyrDown_C4_D5(__global float4 * srcData, int srcStep, int srcRows, int srcCols, __global float4 *dst, int dstStep, int dstCols) { const int x = get_global_id(0); const int y = get_group_id(1); __local float4 smem[256 + 4]; float4 sum; const int src_y = 2*y; const int last_row = srcRows - 1; const int last_col = srcCols - 1; float4 co1 = 0.375f; float4 co2 = 0.25f; float4 co3 = 0.0625f; if (src_y >= 2 && src_y < srcRows - 2 && x >= 2 && x < srcCols - 2) { sum = co3 * ((__global float4*)((__global char4*)srcData + (src_y - 2) * srcStep / 4))[x]; sum = sum + co2 * ((__global float4*)((__global char4*)srcData + (src_y - 1) * srcStep / 4))[x]; sum = sum + co1 * ((__global float4*)((__global char4*)srcData + (src_y ) * srcStep / 4))[x]; sum = sum + co2 * ((__global float4*)((__global char4*)srcData + (src_y + 1) * srcStep / 4))[x]; sum = sum + co3 * ((__global float4*)((__global char4*)srcData + (src_y + 2) * srcStep / 4))[x]; smem[2 + get_local_id(0)] = sum; if (get_local_id(0) < 2) { const int left_x = x - 2; sum = co3 * ((__global float4*)((__global char4*)srcData + (src_y - 2) * srcStep / 4))[left_x]; sum = sum + co2 * ((__global float4*)((__global char4*)srcData + (src_y - 1) * srcStep / 4))[left_x]; sum = sum + co1 * ((__global float4*)((__global char4*)srcData + (src_y ) * srcStep / 4))[left_x]; sum = sum + co2 * ((__global float4*)((__global char4*)srcData + (src_y + 1) * srcStep / 4))[left_x]; sum = sum + co3 * ((__global float4*)((__global char4*)srcData + (src_y + 2) * srcStep / 4))[left_x]; smem[get_local_id(0)] = sum; } if (get_local_id(0) > 253) { const int right_x = x + 2; sum = co3 * ((__global float4*)((__global char4*)srcData + (src_y - 2) * srcStep / 4))[right_x]; sum = sum + co2 * ((__global float4*)((__global char4*)srcData + (src_y - 1) * srcStep / 4))[right_x]; sum = sum + co1 * ((__global float4*)((__global char4*)srcData + (src_y ) * srcStep / 4))[right_x]; sum = sum + co2 * ((__global float4*)((__global char4*)srcData + (src_y + 1) * srcStep / 4))[right_x]; sum = sum + co3 * ((__global float4*)((__global char4*)srcData + (src_y + 2) * srcStep / 4))[right_x]; smem[4 + get_local_id(0)] = sum; } } else { int col = idx_col(x, last_col); sum = co3 * ((__global float4*)((__global char4*)srcData + idx_row(src_y - 2, last_row) * srcStep / 4))[col]; sum = sum + co2 * ((__global float4*)((__global char4*)srcData + idx_row(src_y - 1, last_row) * srcStep / 4))[col]; sum = sum + co1 * ((__global float4*)((__global char4*)srcData + idx_row(src_y , last_row) * srcStep / 4))[col]; sum = sum + co2 * ((__global float4*)((__global char4*)srcData + idx_row(src_y + 1, last_row) * srcStep / 4))[col]; sum = sum + co3 * ((__global float4*)((__global char4*)srcData + idx_row(src_y + 2, last_row) * srcStep / 4))[col]; smem[2 + get_local_id(0)] = sum; if (get_local_id(0) < 2) { const int left_x = x - 2; col = idx_col(left_x, last_col); sum = co3 * ((__global float4*)((__global char4*)srcData + idx_row(src_y - 2, last_row) * srcStep / 4))[col]; sum = sum + co2 * ((__global float4*)((__global char4*)srcData + idx_row(src_y - 1, last_row) * srcStep / 4))[col]; sum = sum + co1 * ((__global float4*)((__global char4*)srcData + idx_row(src_y , last_row) * srcStep / 4))[col]; sum = sum + co2 * ((__global float4*)((__global char4*)srcData + idx_row(src_y + 1, last_row) * srcStep / 4))[col]; sum = sum + co3 * ((__global float4*)((__global char4*)srcData + idx_row(src_y + 2, last_row) * srcStep / 4))[col]; smem[get_local_id(0)] = sum; } if (get_local_id(0) > 253) { const int right_x = x + 2; col = idx_col(right_x, last_col); sum = co3 * ((__global float4*)((__global char4*)srcData + idx_row(src_y - 2, last_row) * srcStep / 4))[col]; sum = sum + co2 * ((__global float4*)((__global char4*)srcData + idx_row(src_y - 1, last_row) * srcStep / 4))[col]; sum = sum + co1 * ((__global float4*)((__global char4*)srcData + idx_row(src_y , last_row) * srcStep / 4))[col]; sum = sum + co2 * ((__global float4*)((__global char4*)srcData + idx_row(src_y + 1, last_row) * srcStep / 4))[col]; sum = sum + co3 * ((__global float4*)((__global char4*)srcData + idx_row(src_y + 2, last_row) * srcStep / 4))[col]; smem[4 + get_local_id(0)] = sum; } } barrier(CLK_LOCAL_MEM_FENCE); if (get_local_id(0) < 128) { const int tid2 = get_local_id(0) * 2; sum = co3 * smem[2 + tid2 - 2]; sum = sum + co2 * smem[2 + tid2 - 1]; sum = sum + co1 * smem[2 + tid2 ]; sum = sum + co2 * smem[2 + tid2 + 1]; sum = sum + co3 * smem[2 + tid2 + 2]; const int dst_x = (get_group_id(0) * get_local_size(0) + tid2) / 2; if (dst_x < dstCols) dst[y * dstStep / 16 + dst_x] = sum; } }