/*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) 2010-2012, Advanced Micro Devices, Inc., all rights reserved. // Third party copyrights are property of their respective owners. // // @Authors // Jin Ma jin@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*/ #ifndef cn #define cn 1 #endif #define sz (int)sizeof(float) #define src_elem_at(_src, y, step, x) *(__global const float *)(_src + mad24(y, step, (x) * sz)) #define dst_elem_at(_dst, y, step, x) *(__global float *)(_dst + mad24(y, step, (x) * sz)) __kernel void buildMotionMaps(__global const uchar * forwardMotionPtr, int forwardMotion_step, int forwardMotion_offset, __global const uchar * backwardMotionPtr, int backwardMotion_step, int backwardMotion_offset, __global const uchar * forwardMapPtr, int forwardMap_step, int forwardMap_offset, __global const uchar * backwardMapPtr, int backwardMap_step, int backwardMap_offset, int rows, int cols) { int x = get_global_id(0); int y = get_global_id(1); if (x < cols && y < rows) { int forwardMotion_index = mad24(forwardMotion_step, y, (int)sizeof(float2) * x + forwardMotion_offset); int backwardMotion_index = mad24(backwardMotion_step, y, (int)sizeof(float2) * x + backwardMotion_offset); int forwardMap_index = mad24(forwardMap_step, y, (int)sizeof(float2) * x + forwardMap_offset); int backwardMap_index = mad24(backwardMap_step, y, (int)sizeof(float2) * x + backwardMap_offset); float2 forwardMotion = *(__global const float2 *)(forwardMotionPtr + forwardMotion_index); float2 backwardMotion = *(__global const float2 *)(backwardMotionPtr + backwardMotion_index); __global float2 * forwardMap = (__global float2 *)(forwardMapPtr + forwardMap_index); __global float2 * backwardMap = (__global float2 *)(backwardMapPtr + backwardMap_index); float2 basePoint = (float2)(x, y); forwardMap[0] = basePoint + backwardMotion; backwardMap[0] = basePoint + forwardMotion; } } __kernel void upscale(__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 scale) { int x = get_global_id(0); int y = get_global_id(1); if (x < src_cols && y < src_rows) { int src_index = mad24(y, src_step, sz * x * cn + src_offset); int dst_index = mad24(y * scale, dst_step, sz * x * scale * cn + dst_offset); __global const float * src = (__global const float *)(srcptr + src_index); __global float * dst = (__global float *)(dstptr + dst_index); #pragma unroll for (int c = 0; c < cn; ++c) dst[c] = src[c]; } } inline float diffSign1(float a, float b) { return a > b ? 1.0f : a < b ? -1.0f : 0.0f; } inline float3 diffSign3(float3 a, float3 b) { float3 pos; pos.x = a.x > b.x ? 1.0f : a.x < b.x ? -1.0f : 0.0f; pos.y = a.y > b.y ? 1.0f : a.y < b.y ? -1.0f : 0.0f; pos.z = a.z > b.z ? 1.0f : a.z < b.z ? -1.0f : 0.0f; return pos; } __kernel void diffSign(__global const uchar * src1, int src1_step, int src1_offset, __global const uchar * src2, int src2_step, int src2_offset, __global uchar * dst, int dst_step, int dst_offset, int rows, int cols) { int x = get_global_id(0); int y = get_global_id(1); if (x < cols && y < rows) *(__global float *)(dst + mad24(y, dst_step, sz * x + dst_offset)) = diffSign1(*(__global const float *)(src1 + mad24(y, src1_step, sz * x + src1_offset)), *(__global const float *)(src2 + mad24(y, src2_step, sz * x + src2_offset))); } __kernel void calcBtvRegularization(__global const uchar * src, int src_step, int src_offset, __global uchar * dst, int dst_step, int dst_offset, int dst_rows, int dst_cols, int ksize, __constant float * c_btvRegWeights) { int x = get_global_id(0) + ksize; int y = get_global_id(1) + ksize; if (y < dst_rows - ksize && x < dst_cols - ksize) { src += src_offset; #if cn == 1 const float srcVal = src_elem_at(src, y, src_step, x); float dstVal = 0.0f; for (int m = 0, count = 0; m <= ksize; ++m) for (int l = ksize; l + m >= 0; --l, ++count) { dstVal += c_btvRegWeights[count] * (diffSign1(srcVal, src_elem_at(src, y + m, src_step, x + l)) - diffSign1(src_elem_at(src, y - m, src_step, x - l), srcVal)); } dst_elem_at(dst, y, dst_step, x) = dstVal; #elif cn == 3 __global const float * src0ptr = (__global const float *)(src + mad24(y, src_step, 3 * sz * x + src_offset)); float3 srcVal = (float3)(src0ptr[0], src0ptr[1], src0ptr[2]), dstVal = 0.f; for (int m = 0, count = 0; m <= ksize; ++m) { for (int l = ksize; l + m >= 0; --l, ++count) { __global const float * src1ptr = (__global const float *)(src + mad24(y + m, src_step, 3 * sz * (x + l) + src_offset)); __global const float * src2ptr = (__global const float *)(src + mad24(y - m, src_step, 3 * sz * (x - l) + src_offset)); float3 src1 = (float3)(src1ptr[0], src1ptr[1], src1ptr[2]); float3 src2 = (float3)(src2ptr[0], src2ptr[1], src2ptr[2]); dstVal += c_btvRegWeights[count] * (diffSign3(srcVal, src1) - diffSign3(src2, srcVal)); } } __global float * dstptr = (__global float *)(dst + mad24(y, dst_step, 3 * sz * x + dst_offset + 0)); dstptr[0] = dstVal.x; dstptr[1] = dstVal.y; dstptr[2] = dstVal.z; #else #error "Number of channels should be either 1 of 3" #endif } }