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11 // For Open Source Computer Vision Library
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14 // Copyright (C) 2010-2012, Advanced Micro Devices, Inc., all rights reserved.
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18 // Nathan, liujun@multicorewareinc.com
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46 #include "precomp.hpp"
47 #include "opencl_kernels.hpp"
50 using namespace cv::ocl;
52 void cv::ocl::blendLinear(const oclMat &img1, const oclMat &img2, const oclMat &weights1, const oclMat &weights2,
55 cv::ocl::Context *ctx = img1.clCxt;
56 CV_Assert(ctx == img2.clCxt && ctx == weights1.clCxt && ctx == weights2.clCxt);
57 int channels = img1.oclchannels();
58 int depth = img1.depth();
61 int istep = img1.step1();
62 int wstep = weights1.step1();
63 size_t globalSize[] = {cols * channels / 4, rows, 1};
64 size_t localSize[] = {256, 1, 1};
66 std::vector< std::pair<size_t, const void *> > args;
67 result.create(img1.size(), CV_MAKE_TYPE(depth,img1.channels()));
68 if(globalSize[0] != 0)
70 args.push_back( std::make_pair( sizeof(cl_mem), (void *)&result.data ));
71 args.push_back( std::make_pair( sizeof(cl_mem), (void *)&img1.data ));
72 args.push_back( std::make_pair( sizeof(cl_mem), (void *)&img2.data ));
73 args.push_back( std::make_pair( sizeof(cl_mem), (void *)&weights1.data ));
74 args.push_back( std::make_pair( sizeof(cl_mem), (void *)&weights2.data ));
75 args.push_back( std::make_pair( sizeof(cl_int), (void *)&rows ));
76 args.push_back( std::make_pair( sizeof(cl_int), (void *)&cols ));
77 args.push_back( std::make_pair( sizeof(cl_int), (void *)&istep ));
78 args.push_back( std::make_pair( sizeof(cl_int), (void *)&wstep ));
79 String kernelName = "BlendLinear";
81 openCLExecuteKernel(ctx, &blend_linear, kernelName, globalSize, localSize, args, channels, depth);