static bool ocl_sepFilter3x3_8UC1(InputArray _src, OutputArray _dst, int ddepth, InputArray _kernelX, InputArray _kernelY, double delta, int borderType) { const ocl::Device & dev = ocl::Device::getDefault(); int type = _src.type(), sdepth = CV_MAT_DEPTH(type), cn = CV_MAT_CN(type); if ( !(dev.isIntel() && (type == CV_8UC1) && (ddepth == CV_8U) && (_src.offset() == 0) && (_src.step() % 4 == 0) && (_src.cols() % 16 == 0) && (_src.rows() % 2 == 0)) ) return false; Mat kernelX = _kernelX.getMat().reshape(1, 1); if (kernelX.cols % 2 != 1) return false; Mat kernelY = _kernelY.getMat().reshape(1, 1); if (kernelY.cols % 2 != 1) return false; if (ddepth < 0) ddepth = sdepth; Size size = _src.size(); size_t globalsize[2] = { 0, 0 }; size_t localsize[2] = { 0, 0 }; globalsize[0] = size.width / 16; globalsize[1] = size.height / 2; const char * const borderMap[] = { "BORDER_CONSTANT", "BORDER_REPLICATE", "BORDER_REFLECT", 0, "BORDER_REFLECT_101" }; char build_opts[1024]; sprintf(build_opts, "-D %s %s%s", borderMap[borderType], ocl::kernelToStr(kernelX, CV_32F, "KERNEL_MATRIX_X").c_str(), ocl::kernelToStr(kernelY, CV_32F, "KERNEL_MATRIX_Y").c_str()); ocl::Kernel kernel("sepFilter3x3_8UC1_cols16_rows2", cv::ocl::imgproc::sepFilter3x3_oclsrc, build_opts); if (kernel.empty()) return false; UMat src = _src.getUMat(); _dst.create(size, CV_MAKETYPE(ddepth, cn)); if (!(_dst.offset() == 0 && _dst.step() % 4 == 0)) return false; UMat dst = _dst.getUMat(); int idxArg = kernel.set(0, ocl::KernelArg::PtrReadOnly(src)); idxArg = kernel.set(idxArg, (int)src.step); idxArg = kernel.set(idxArg, ocl::KernelArg::PtrWriteOnly(dst)); idxArg = kernel.set(idxArg, (int)dst.step); idxArg = kernel.set(idxArg, (int)dst.rows); idxArg = kernel.set(idxArg, (int)dst.cols); idxArg = kernel.set(idxArg, static_cast<float>(delta)); return kernel.run(2, globalsize, (localsize[0] == 0) ? NULL : localsize, false); }