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opencv/modules/ocl/src/arithm.cpp

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/*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, Institute Of Software Chinese Academy Of Science, all rights reserved.
// Copyright (C) 2010-2012, Advanced Micro Devices, Inc., all rights reserved.
// Copyright (C) 2010-2012, Multicoreware, Inc., all rights reserved.
// Third party copyrights are property of their respective owners.
//
// @Authors
// Niko Li, newlife20080214@gmail.com
// Jia Haipeng, jiahaipeng95@gmail.com
// Shengen Yan, yanshengen@gmail.com
// Jiang Liyuan, jlyuan001.good@163.com
// Rock Li, Rock.Li@amd.com
// Zailong Wu, bullet@yeah.net
// Peng Xiao, pengxiao@outlook.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 oclMaterials 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*/
#include "precomp.hpp"
#include "opencl_kernels.hpp"
using namespace cv;
using namespace cv::ocl;
//////////////////////////////////////////////////////////////////////////////
/////////////// add subtract multiply divide min max /////////////////////////
//////////////////////////////////////////////////////////////////////////////
enum { ADD = 0, SUB, MUL, DIV, ABS, ABS_DIFF, MIN, MAX };
static void arithmetic_run_generic(const oclMat &src1, const oclMat &src2, const Scalar & scalar, const oclMat & mask,
oclMat &dst, int op_type, bool use_scalar = false)
{
Context *clCxt = src1.clCxt;
bool hasDouble = clCxt->supportsFeature(FEATURE_CL_DOUBLE);
if (!hasDouble && (src1.depth() == CV_64F || src2.depth() == CV_64F || dst.depth() == CV_64F))
{
CV_Error(CV_OpenCLDoubleNotSupported, "Selected device doesn't support double");
return;
}
CV_Assert(src2.empty() || (!src2.empty() && src1.type() == src2.type() && src1.size() == src2.size()));
CV_Assert(mask.empty() || (!mask.empty() && mask.type() == CV_8UC1 && mask.size() == src1.size()));
CV_Assert(op_type >= ADD && op_type <= MAX);
dst.create(src1.size(), src1.type());
int oclChannels = src1.oclchannels(), depth = src1.depth();
int src1step1 = src1.step / src1.elemSize(), src1offset1 = src1.offset / src1.elemSize();
int src2step1 = src2.step / src2.elemSize(), src2offset1 = src2.offset / src2.elemSize();
int maskstep1 = mask.step, maskoffset1 = mask.offset / mask.elemSize();
int dststep1 = dst.step / dst.elemSize(), dstoffset1 = dst.offset / dst.elemSize();
oclMat m;
size_t localThreads[3] = { 16, 16, 1 };
size_t globalThreads[3] = { dst.cols, dst.rows, 1 };
std::string kernelName = "arithm_binary_op";
const char * const typeMap[] = { "uchar", "char", "ushort", "short", "int", "float", "double" };
const char * const WTypeMap[] = { "short", "short", "int", "int", "int", "float", "double" };
const char * const funcMap[] = { "FUNC_ADD", "FUNC_SUB", "FUNC_MUL", "FUNC_DIV", "FUNC_ABS", "FUNC_ABS_DIFF", "FUNC_MIN", "FUNC_MAX" };
const char * const channelMap[] = { "", "", "2", "4", "4" };
bool haveScalar = use_scalar || src2.empty();
int WDepth = depth;
if (haveScalar)
WDepth = hasDouble && WDepth == CV_64F ? CV_64F : CV_32F;
if (op_type == DIV)
WDepth = hasDouble ? CV_64F : CV_32F;
else if (op_type == MUL)
WDepth = hasDouble && (depth == CV_32S || depth == CV_64F) ? CV_64F : CV_32F;
std::string buildOptions = format("-D T=%s%s -D WT=%s%s -D convertToT=convert_%s%s%s -D %s "
"-D convertToWT=convert_%s%s",
typeMap[depth], channelMap[oclChannels],
WTypeMap[WDepth], channelMap[oclChannels],
typeMap[depth], channelMap[oclChannels], (depth >= CV_32F ? "" : (depth == CV_32S ? "_rte" : "_sat_rte")),
funcMap[op_type], WTypeMap[WDepth], channelMap[oclChannels]);
vector<pair<size_t , const void *> > args;
args.push_back( make_pair( sizeof(cl_mem), (void *)&src1.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src1step1 ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src1offset1 ));
if (!src2.empty())
{
args.push_back( make_pair( sizeof(cl_mem), (void *)&src2.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src2step1 ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src2offset1 ));
kernelName += "_mat";
if (haveScalar)
buildOptions += " -D HAVE_SCALAR";
}
if (haveScalar)
{
const int WDepthMap[] = { CV_16S, CV_16S, CV_32S, CV_32S, CV_32S, CV_32F, CV_64F };
m.create(1, 1, CV_MAKE_TYPE(WDepthMap[WDepth], oclChannels));
m.setTo(scalar);
args.push_back( make_pair( sizeof(cl_mem), (void *)&m.data ));
kernelName += "_scalar";
}
if (!mask.empty())
{
args.push_back( make_pair( sizeof(cl_mem), (void *)&mask.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&maskstep1 ));
args.push_back( make_pair( sizeof(cl_int), (void *)&maskoffset1 ));
kernelName += "_mask";
}
args.push_back( make_pair( sizeof(cl_mem), (void *)&dst.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dststep1 ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dstoffset1 ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src1.cols ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src1.rows ));
openCLExecuteKernel(clCxt, mask.empty() ?
(!src2.empty() ? &arithm_add : &arithm_add_scalar) :
(!src2.empty() ? &arithm_add_mask : &arithm_add_scalar_mask),
kernelName, globalThreads, localThreads,
args, -1, -1, buildOptions.c_str());
}
void cv::ocl::add(const oclMat &src1, const oclMat &src2, oclMat &dst, const oclMat &mask)
{
arithmetic_run_generic(src1, src2, Scalar(), mask, dst, ADD);
}
void cv::ocl::add(const oclMat &src1, const Scalar &src2, oclMat &dst, const oclMat &mask)
{
arithmetic_run_generic(src1, oclMat(), src2, mask, dst, ADD);
}
void cv::ocl::subtract(const oclMat &src1, const oclMat &src2, oclMat &dst, const oclMat &mask)
{
arithmetic_run_generic(src1, src2, Scalar(), mask, dst, SUB);
}
void cv::ocl::subtract(const oclMat &src1, const Scalar &src2, oclMat &dst, const oclMat &mask)
{
arithmetic_run_generic(src1, oclMat(), src2, mask, dst, SUB);
}
void cv::ocl::multiply(const oclMat &src1, const oclMat &src2, oclMat &dst, double scalar)
{
const bool use_scalar = !(std::abs(scalar - 1.0) < std::numeric_limits<double>::epsilon());
arithmetic_run_generic(src1, src2, Scalar::all(scalar), oclMat(), dst, MUL, use_scalar);
}
void cv::ocl::multiply(double scalar, const oclMat &src, oclMat &dst)
{
arithmetic_run_generic(src, oclMat(), Scalar::all(scalar), oclMat(), dst, MUL);
}
void cv::ocl::divide(const oclMat &src1, const oclMat &src2, oclMat &dst, double scalar)
{
const bool use_scalar = !(std::abs(scalar - 1.0) < std::numeric_limits<double>::epsilon());
arithmetic_run_generic(src1, src2, Scalar::all(scalar), oclMat(), dst, DIV, use_scalar);
}
void cv::ocl::divide(double scalar, const oclMat &src, oclMat &dst)
{
arithmetic_run_generic(src, oclMat(), Scalar::all(scalar), oclMat(), dst, DIV);
}
void cv::ocl::min(const oclMat &src1, const oclMat &src2, oclMat &dst)
{
arithmetic_run_generic(src1, src2, Scalar::all(0), oclMat(), dst, MIN);
}
void cv::ocl::max(const oclMat &src1, const oclMat &src2, oclMat &dst)
{
arithmetic_run_generic(src1, src2, Scalar::all(0), oclMat(), dst, MAX);
}
//////////////////////////////////////////////////////////////////////////////
/////////////////////////////Abs, Absdiff ////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
void cv::ocl::abs(const oclMat &src, oclMat &dst)
{
// explicitly uses use_scalar (even if zero) so that the correct kernel is used
arithmetic_run_generic(src, oclMat(), Scalar(), oclMat(), dst, ABS, true);
}
void cv::ocl::absdiff(const oclMat &src1, const oclMat &src2, oclMat &dst)
{
arithmetic_run_generic(src1, src2, Scalar(), oclMat(), dst, ABS_DIFF);
}
void cv::ocl::absdiff(const oclMat &src1, const Scalar &src2, oclMat &dst)
{
arithmetic_run_generic(src1, oclMat(), src2, oclMat(), dst, ABS_DIFF);
}
//////////////////////////////////////////////////////////////////////////////
///////////////////////////////// compare ///////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
static void compare_run(const oclMat &src1, const oclMat &src2, oclMat &dst, int cmpOp,
string kernelName, const cv::ocl::ProgramEntry* source)
{
dst.create(src1.size(), CV_8UC1);
int depth = src1.depth();
size_t localThreads[3] = { 64, 4, 1 };
size_t globalThreads[3] = { dst.cols, dst.rows, 1 };
int src1step1 = src1.step1(), src1offset1 = src1.offset / src1.elemSize1();
int src2step1 = src2.step1(), src2offset1 = src2.offset / src2.elemSize1();
int dststep1 = dst.step1(), dstoffset1 = dst.offset / dst.elemSize1();
const char * const typeMap[] = { "uchar", "char", "ushort", "short", "int", "float", "double" };
const char * operationMap[] = { "==", ">", ">=", "<", "<=", "!=" };
std::string buildOptions = format("-D T=%s -D Operation=%s", typeMap[depth], operationMap[cmpOp]);
vector<pair<size_t , const void *> > args;
args.push_back( make_pair( sizeof(cl_mem), (void *)&src1.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src1step1 ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src1offset1 ));
args.push_back( make_pair( sizeof(cl_mem), (void *)&src2.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src2step1 ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src2offset1 ));
args.push_back( make_pair( sizeof(cl_mem), (void *)&dst.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dststep1 ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dstoffset1 ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src1.cols ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src1.rows ));
openCLExecuteKernel(src1.clCxt, source, kernelName, globalThreads, localThreads,
args, -1, -1, buildOptions.c_str());
}
void cv::ocl::compare(const oclMat &src1, const oclMat &src2, oclMat &dst , int cmpOp)
{
if (!src1.clCxt->supportsFeature(FEATURE_CL_DOUBLE) && src1.depth() == CV_64F)
{
CV_Error(CV_OpenCLDoubleNotSupported, "Selected device doesn't support double");
return;
}
CV_Assert(src1.type() == src2.type() && src1.channels() == 1);
CV_Assert(cmpOp >= CMP_EQ && cmpOp <= CMP_NE);
compare_run(src1, src2, dst, cmpOp, "arithm_compare", &arithm_compare);
}
//////////////////////////////////////////////////////////////////////////////
////////////////////////////////// sum //////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
enum { SUM = 0, ABS_SUM, SQR_SUM };
static void arithmetic_sum_buffer_run(const oclMat &src, cl_mem &dst, int groupnum, int type, int ddepth)
{
int ochannels = src.oclchannels();
int all_cols = src.step / src.elemSize();
int pre_cols = (src.offset % src.step) / src.elemSize();
int sec_cols = all_cols - (src.offset % src.step + src.cols * src.elemSize() - 1) / src.elemSize() - 1;
int invalid_cols = pre_cols + sec_cols;
int cols = all_cols - invalid_cols , elemnum = cols * src.rows;;
int offset = src.offset / src.elemSize();
const char * const typeMap[] = { "uchar", "char", "ushort", "short", "int", "float", "double" };
const char * const funcMap[] = { "FUNC_SUM", "FUNC_ABS_SUM", "FUNC_SQR_SUM" };
const char * const channelMap[] = { " ", " ", "2", "4", "4" };
string buildOptions = format("-D srcT=%s%s -D dstT=%s%s -D convertToDstT=convert_%s%s -D %s",
typeMap[src.depth()], channelMap[ochannels],
typeMap[ddepth], channelMap[ochannels],
typeMap[ddepth], channelMap[ochannels],
funcMap[type]);
vector<pair<size_t , const void *> > args;
args.push_back( make_pair( sizeof(cl_int) , (void *)&cols ));
args.push_back( make_pair( sizeof(cl_int) , (void *)&invalid_cols ));
args.push_back( make_pair( sizeof(cl_int) , (void *)&offset));
args.push_back( make_pair( sizeof(cl_int) , (void *)&elemnum));
args.push_back( make_pair( sizeof(cl_int) , (void *)&groupnum));
args.push_back( make_pair( sizeof(cl_mem) , (void *)&src.data));
args.push_back( make_pair( sizeof(cl_mem) , (void *)&dst ));
size_t globalThreads[3] = { groupnum * 256, 1, 1 };
size_t localThreads[3] = { 256, 1, 1 };
openCLExecuteKernel(src.clCxt, &arithm_sum, "arithm_op_sum", globalThreads, localThreads,
args, -1, -1, buildOptions.c_str());
}
template <typename T>
Scalar arithmetic_sum(const oclMat &src, int type, int ddepth)
{
CV_Assert(src.step % src.elemSize() == 0);
size_t groupnum = src.clCxt->getDeviceInfo().maxComputeUnits;
CV_Assert(groupnum != 0);
int dbsize = groupnum * src.oclchannels();
Context *clCxt = src.clCxt;
AutoBuffer<T> _buf(dbsize);
T *p = (T*)_buf;
memset(p, 0, dbsize * sizeof(T));
cl_mem dstBuffer = openCLCreateBuffer(clCxt, CL_MEM_WRITE_ONLY, dbsize * sizeof(T));
arithmetic_sum_buffer_run(src, dstBuffer, groupnum, type, ddepth);
openCLReadBuffer(clCxt, dstBuffer, (void *)p, dbsize * sizeof(T));
openCLFree(dstBuffer);
Scalar s = Scalar::all(0.0);
for (int i = 0; i < dbsize;)
for (int j = 0; j < src.oclchannels(); j++, i++)
s.val[j] += p[i];
return s;
}
typedef Scalar (*sumFunc)(const oclMat &src, int type, int ddepth);
Scalar cv::ocl::sum(const oclMat &src)
{
if (!src.clCxt->supportsFeature(FEATURE_CL_DOUBLE) && src.depth() == CV_64F)
{
CV_Error(CV_OpenCLDoubleNotSupported, "Selected device doesn't support double");
return Scalar::all(0);
}
static sumFunc functab[3] =
{
arithmetic_sum<int>,
arithmetic_sum<float>,
arithmetic_sum<double>
};
int ddepth = std::max(src.depth(), CV_32S);
sumFunc func = functab[ddepth - CV_32S];
return func(src, SUM, ddepth);
}
Scalar cv::ocl::absSum(const oclMat &src)
{
if (!src.clCxt->supportsFeature(FEATURE_CL_DOUBLE) && src.depth() == CV_64F)
{
CV_Error(CV_OpenCLDoubleNotSupported, "Selected device doesn't support double");
return cv::Scalar::all(0);
}
static sumFunc functab[3] =
{
arithmetic_sum<int>,
arithmetic_sum<float>,
arithmetic_sum<double>
};
int ddepth = std::max(src.depth(), CV_32S);
sumFunc func = functab[ddepth - CV_32S];
return func(src, ABS_SUM, ddepth);
}
Scalar cv::ocl::sqrSum(const oclMat &src)
{
if (!src.clCxt->supportsFeature(FEATURE_CL_DOUBLE) && src.depth() == CV_64F)
{
CV_Error(CV_OpenCLDoubleNotSupported, "Selected device doesn't support double");
return cv::Scalar::all(0);
}
static sumFunc functab[3] =
{
arithmetic_sum<int>,
arithmetic_sum<float>,
arithmetic_sum<double>
};
int ddepth = std::max(src.depth(), CV_32S);
sumFunc func = functab[ddepth - CV_32S];
return func(src, SQR_SUM, ddepth);
}
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////// meanStdDev //////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
void cv::ocl::meanStdDev(const oclMat &src, Scalar &mean, Scalar &stddev)
{
if (src.depth() == CV_64F && !src.clCxt->supportsFeature(FEATURE_CL_DOUBLE))
{
CV_Error(CV_OpenCLDoubleNotSupported, "Selected device doesn't support double");
return;
}
double total = 1.0 / src.size().area();
mean = sum(src);
stddev = sqrSum(src);
for (int i = 0; i < 4; ++i)
{
mean[i] *= total;
stddev[i] = std::sqrt(std::max(stddev[i] * total - mean.val[i] * mean.val[i] , 0.));
}
}
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////// minMax /////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
template <typename T, typename WT>
static void arithmetic_minMax_run(const oclMat &src, const oclMat & mask, cl_mem &dst, int groupnum, string kernelName)
{
int all_cols = src.step / src.elemSize();
int pre_cols = (src.offset % src.step) / src.elemSize();
int sec_cols = all_cols - (src.offset % src.step + src.cols * src.elemSize() - 1) / src.elemSize() - 1;
int invalid_cols = pre_cols + sec_cols;
int cols = all_cols - invalid_cols , elemnum = cols * src.rows;
int offset = src.offset / src.elemSize();
const char * const typeMap[] = { "uchar", "char", "ushort", "short", "int", "float", "double" };
const char * const channelMap[] = { " ", " ", "2", "4", "4" };
ostringstream stream;
stream << "-D T=" << typeMap[src.depth()] << channelMap[src.channels()];
stream << " -D MAX_VAL=" << (WT)numeric_limits<T>::max();
stream << " -D MIN_VAL=" << (numeric_limits<T>::is_integer ?
(WT)numeric_limits<T>::min() : -(WT)(std::numeric_limits<T>::max()));
string buildOptions = stream.str();
vector<pair<size_t , const void *> > args;
args.push_back( make_pair( sizeof(cl_mem) , (void *)&src.data));
args.push_back( make_pair( sizeof(cl_mem) , (void *)&dst ));
args.push_back( make_pair( sizeof(cl_int) , (void *)&cols ));
args.push_back( make_pair( sizeof(cl_int) , (void *)&invalid_cols ));
args.push_back( make_pair( sizeof(cl_int) , (void *)&offset));
args.push_back( make_pair( sizeof(cl_int) , (void *)&elemnum));
args.push_back( make_pair( sizeof(cl_int) , (void *)&groupnum));
int minvalid_cols = 0, moffset = 0;
if (!mask.empty())
{
int mall_cols = mask.step / mask.elemSize();
int mpre_cols = (mask.offset % mask.step) / mask.elemSize();
int msec_cols = mall_cols - (mask.offset % mask.step + mask.cols * mask.elemSize() - 1) / mask.elemSize() - 1;
minvalid_cols = mpre_cols + msec_cols;
moffset = mask.offset / mask.elemSize();
args.push_back( make_pair( sizeof(cl_mem) , (void *)&mask.data ));
args.push_back( make_pair( sizeof(cl_int) , (void *)&minvalid_cols ));
args.push_back( make_pair( sizeof(cl_int) , (void *)&moffset ));
kernelName += "_mask";
}
size_t globalThreads[3] = {groupnum * 256, 1, 1};
size_t localThreads[3] = {256, 1, 1};
openCLExecuteKernel(src.clCxt, &arithm_minMax, kernelName, globalThreads, localThreads,
args, -1, -1, buildOptions.c_str());
}
template <typename T, typename WT>
void arithmetic_minMax(const oclMat &src, double *minVal, double *maxVal, const oclMat &mask)
{
size_t groupnum = src.clCxt->getDeviceInfo().maxComputeUnits;
CV_Assert(groupnum != 0);
int dbsize = groupnum * 2 * src.elemSize();
oclMat buf;
ensureSizeIsEnough(1, dbsize, CV_8UC1, buf);
cl_mem buf_data = reinterpret_cast<cl_mem>(buf.data);
arithmetic_minMax_run<T, WT>(src, mask, buf_data, groupnum, "arithm_op_minMax");
Mat matbuf = Mat(buf);
T *p = matbuf.ptr<T>();
if (minVal != NULL)
{
*minVal = std::numeric_limits<double>::max();
for (int i = 0, end = src.oclchannels() * (int)groupnum; i < end; i++)
*minVal = *minVal < p[i] ? *minVal : p[i];
}
if (maxVal != NULL)
{
*maxVal = -std::numeric_limits<double>::max();
for (int i = src.oclchannels() * (int)groupnum, end = i << 1; i < end; i++)
*maxVal = *maxVal > p[i] ? *maxVal : p[i];
}
}
typedef void (*minMaxFunc)(const oclMat &src, double *minVal, double *maxVal, const oclMat &mask);
void cv::ocl::minMax(const oclMat &src, double *minVal, double *maxVal, const oclMat &mask)
{
CV_Assert(src.channels() == 1);
CV_Assert(src.size() == mask.size() || mask.empty());
CV_Assert(src.step % src.elemSize() == 0);
if (minVal == NULL && maxVal == NULL)
return;
if (!src.clCxt->supportsFeature(FEATURE_CL_DOUBLE) && src.depth() == CV_64F)
{
CV_Error(CV_OpenCLDoubleNotSupported, "Selected device doesn't support double");
return;
}
static minMaxFunc functab[] =
{
arithmetic_minMax<uchar, int>,
arithmetic_minMax<char, int>,
arithmetic_minMax<ushort, int>,
arithmetic_minMax<short, int>,
arithmetic_minMax<int, int>,
arithmetic_minMax<float, float>,
arithmetic_minMax<double, double>,
0
};
minMaxFunc func = functab[src.depth()];
CV_Assert(func != 0);
func(src, minVal, maxVal, mask);
}
//////////////////////////////////////////////////////////////////////////////
/////////////////////////////////// norm /////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
double cv::ocl::norm(const oclMat &src1, int normType)
{
CV_Assert((normType & NORM_RELATIVE) == 0);
return norm(src1, oclMat(), normType);
}
static void arithm_absdiff_nonsaturate_run(const oclMat & src1, const oclMat & src2, oclMat & diff, int ntype)
{
Context *clCxt = src1.clCxt;
if (!clCxt->supportsFeature(FEATURE_CL_DOUBLE) && src1.depth() == CV_64F)
{
CV_Error(CV_OpenCLDoubleNotSupported, "Selected device doesn't support double");
return;
}
CV_Assert(src1.step % src1.elemSize() == 0 && (src2.empty() || src2.step % src2.elemSize() == 0));
int ddepth = std::max(src1.depth(), CV_32S);
if (ntype == NORM_L2)
ddepth = std::max<int>(CV_32F, ddepth);
diff.create(src1.size(), CV_MAKE_TYPE(ddepth, src1.channels()));
CV_Assert(diff.step % diff.elemSize() == 0);
int oclChannels = src1.oclchannels(), sdepth = src1.depth();
int src1step1 = src1.step / src1.elemSize(), src1offset1 = src1.offset / src1.elemSize();
int src2step1 = src2.step / src2.elemSize(), src2offset1 = src2.offset / src2.elemSize();
int diffstep1 = diff.step / diff.elemSize(), diffoffset1 = diff.offset / diff.elemSize();
string kernelName = "arithm_absdiff_nonsaturate";
size_t localThreads[3] = { 16, 16, 1 };
size_t globalThreads[3] = { diff.cols, diff.rows, 1 };
const char * const typeMap[] = { "uchar", "char", "ushort", "short", "int", "float", "double" };
const char * const channelMap[] = { "", "", "2", "4", "4" };
std::string buildOptions = format("-D srcT=%s%s -D dstT=%s%s -D convertToDstT=convert_%s%s",
typeMap[sdepth], channelMap[oclChannels],
typeMap[ddepth], channelMap[oclChannels],
typeMap[ddepth], channelMap[oclChannels]);
vector<pair<size_t , const void *> > args;
args.push_back( make_pair( sizeof(cl_mem), (void *)&src1.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src1step1 ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src1offset1 ));
if (!src2.empty())
{
args.push_back( make_pair( sizeof(cl_mem), (void *)&src2.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src2step1 ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src2offset1 ));
kernelName += "_binary";
}
args.push_back( make_pair( sizeof(cl_mem), (void *)&diff.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&diffstep1 ));
args.push_back( make_pair( sizeof(cl_int), (void *)&diffoffset1 ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src1.cols ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src1.rows ));
openCLExecuteKernel(clCxt, &arithm_absdiff_nonsaturate,
kernelName, globalThreads, localThreads,
args, -1, -1, buildOptions.c_str());
}
double cv::ocl::norm(const oclMat &src1, const oclMat &src2, int normType)
{
if (!src1.clCxt->supportsFeature(FEATURE_CL_DOUBLE) && src1.depth() == CV_64F)
{
CV_Error(CV_OpenCLDoubleNotSupported, "Selected device doesn't support double");
return -1;
}
CV_Assert(src2.empty() || (src1.type() == src2.type() && src1.size() == src2.size()));
bool isRelative = (normType & NORM_RELATIVE) != 0;
normType &= NORM_TYPE_MASK;
CV_Assert(normType == NORM_INF || normType == NORM_L1 || normType == NORM_L2);
Scalar s;
int cn = src1.channels();
double r = 0;
oclMat diff;
arithm_absdiff_nonsaturate_run(src1, src2, diff, normType);
switch (normType)
{
case NORM_INF:
diff = diff.reshape(1);
minMax(diff, NULL, &r);
break;
case NORM_L1:
s = sum(diff);
for (int i = 0; i < cn; ++i)
r += s[i];
break;
case NORM_L2:
s = sqrSum(diff);
for (int i = 0; i < cn; ++i)
r += s[i];
r = std::sqrt(r);
break;
}
if (isRelative)
r = r / norm(src2, normType);
return r;
}
//////////////////////////////////////////////////////////////////////////////
////////////////////////////////// flip //////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
static void arithmetic_flip_rows_run(const oclMat &src, oclMat &dst, string kernelName)
{
int channels = dst.oclchannels();
int depth = dst.depth();
int vector_lengths[4][7] = {{4, 4, 4, 4, 1, 1, 1},
{4, 4, 4, 4, 1, 1, 1},
{4, 4, 4, 4, 1, 1, 1},
{4, 4, 4, 4, 1, 1, 1}
};
size_t vector_length = vector_lengths[channels - 1][depth];
int offset_cols = ((dst.offset % dst.step) / dst.elemSize1()) & (vector_length - 1);
int cols = divUp(dst.cols * channels + offset_cols, vector_length);
int rows = divUp(dst.rows, 2);
size_t localThreads[3] = { 64, 4, 1 };
size_t globalThreads[3] = { cols, rows, 1 };
int dst_step1 = dst.cols * dst.elemSize();
vector<pair<size_t , const void *> > args;
args.push_back( make_pair( sizeof(cl_mem), (void *)&src.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src.step ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src.offset ));
args.push_back( make_pair( sizeof(cl_mem), (void *)&dst.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dst.step ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dst.offset ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dst.rows ));
args.push_back( make_pair( sizeof(cl_int), (void *)&cols ));
args.push_back( make_pair( sizeof(cl_int), (void *)&rows ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dst_step1 ));
openCLExecuteKernel(src.clCxt, &arithm_flip, kernelName, globalThreads, localThreads, args, -1, depth);
}
static void arithmetic_flip_cols_run(const oclMat &src, oclMat &dst, string kernelName, bool isVertical)
{
int channels = dst.oclchannels();
int depth = dst.depth();
int vector_lengths[4][7] = {{1, 1, 1, 1, 1, 1, 1},
{1, 1, 1, 1, 1, 1, 1},
{1, 1, 1, 1, 1, 1, 1},
{1, 1, 1, 1, 1, 1, 1}
};
size_t vector_length = vector_lengths[channels - 1][depth];
int offset_cols = ((dst.offset % dst.step) / dst.elemSize()) & (vector_length - 1);
int cols = divUp(dst.cols + offset_cols, vector_length);
cols = isVertical ? cols : divUp(cols, 2);
int rows = isVertical ? divUp(dst.rows, 2) : dst.rows;
size_t localThreads[3] = { 64, 4, 1 };
size_t globalThreads[3] = { cols, rows, 1 };
int dst_step1 = dst.cols * dst.elemSize();
vector<pair<size_t , const void *> > args;
args.push_back( make_pair( sizeof(cl_mem), (void *)&src.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src.step ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src.offset ));
args.push_back( make_pair( sizeof(cl_mem), (void *)&dst.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dst.step ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dst.offset ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dst.rows ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dst.cols ));
if (isVertical)
args.push_back( make_pair( sizeof(cl_int), (void *)&rows ));
else
args.push_back( make_pair( sizeof(cl_int), (void *)&cols ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dst_step1 ));
const cv::ocl::ProgramEntry* source = isVertical ? &arithm_flip_rc : &arithm_flip;
openCLExecuteKernel(src.clCxt, source, kernelName, globalThreads, localThreads, args, src.oclchannels(), depth);
}
void cv::ocl::flip(const oclMat &src, oclMat &dst, int flipCode)
{
if (!src.clCxt->supportsFeature(FEATURE_CL_DOUBLE) && src.depth() == CV_64F)
{
CV_Error(CV_OpenCLDoubleNotSupported, "Selected device doesn't support double");
return;
}
dst.create(src.size(), src.type());
if (flipCode == 0)
arithmetic_flip_rows_run(src, dst, "arithm_flip_rows");
else if (flipCode > 0)
arithmetic_flip_cols_run(src, dst, "arithm_flip_cols", false);
else
arithmetic_flip_cols_run(src, dst, "arithm_flip_rc", true);
}
//////////////////////////////////////////////////////////////////////////////
////////////////////////////////// LUT //////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
static void arithmetic_lut_run(const oclMat &src, const oclMat &lut, oclMat &dst, string kernelName)
{
int sdepth = src.depth();
int src_step1 = src.step1(), dst_step1 = dst.step1();
int src_offset1 = src.offset / src.elemSize1(), dst_offset1 = dst.offset / dst.elemSize1();
int lut_offset1 = lut.offset / lut.elemSize1() + (sdepth == CV_8U ? 0 : 128) * lut.channels();
int cols1 = src.cols * src.oclchannels();
size_t localSize[] = { 16, 16, 1 };
size_t globalSize[] = { lut.channels() == 1 ? cols1 : src.cols, src.rows, 1 };
const char * const typeMap[] = { "uchar", "char", "ushort", "short", "int", "float", "double" };
std::string buildOptions = format("-D srcT=%s -D dstT=%s", typeMap[sdepth], typeMap[dst.depth()]);
vector<pair<size_t , const void *> > args;
args.push_back( make_pair( sizeof(cl_mem), (void *)&src.data ));
args.push_back( make_pair( sizeof(cl_mem), (void *)&lut.data ));
args.push_back( make_pair( sizeof(cl_mem), (void *)&dst.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&cols1));
args.push_back( make_pair( sizeof(cl_int), (void *)&src.rows ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src_offset1 ));
args.push_back( make_pair( sizeof(cl_int), (void *)&lut_offset1 ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dst_offset1 ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src_step1 ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dst_step1 ));
openCLExecuteKernel(src.clCxt, &arithm_LUT, kernelName, globalSize, localSize,
args, lut.oclchannels(), -1, buildOptions.c_str());
}
void cv::ocl::LUT(const oclMat &src, const oclMat &lut, oclMat &dst)
{
if (!lut.clCxt->supportsFeature(FEATURE_CL_DOUBLE) && lut.depth() == CV_64F)
{
CV_Error(CV_OpenCLDoubleNotSupported, "Selected device doesn't support double");
return;
}
int cn = src.channels(), depth = src.depth();
CV_Assert(depth == CV_8U || depth == CV_8S);
CV_Assert(lut.channels() == 1 || lut.channels() == src.channels());
CV_Assert(lut.rows == 1 && lut.cols == 256);
dst.create(src.size(), CV_MAKETYPE(lut.depth(), cn));
arithmetic_lut_run(src, lut, dst, "LUT");
}
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////// exp log /////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
static void arithmetic_exp_log_run(const oclMat &src, oclMat &dst, string kernelName, const cv::ocl::ProgramEntry* source)
{
Context *clCxt = src.clCxt;
if (!clCxt->supportsFeature(FEATURE_CL_DOUBLE) && src.depth() == CV_64F)
{
CV_Error(CV_OpenCLDoubleNotSupported, "Selected device doesn't support double");
return;
}
CV_Assert( src.depth() == CV_32F || src.depth() == CV_64F);
dst.create(src.size(), src.type());
int ddepth = dst.depth();
int cols1 = src.cols * src.oclchannels();
int srcoffset1 = src.offset / src.elemSize1(), dstoffset1 = dst.offset / dst.elemSize1();
int srcstep1 = src.step1(), dststep1 = dst.step1();
size_t localThreads[3] = { 64, 4, 1 };
size_t globalThreads[3] = { dst.cols, dst.rows, 1 };
std::string buildOptions = format("-D srcT=%s",
ddepth == CV_32F ? "float" : "double");
vector<pair<size_t , const void *> > args;
args.push_back( make_pair( sizeof(cl_mem), (void *)&src.data ));
args.push_back( make_pair( sizeof(cl_mem), (void *)&dst.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&cols1 ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src.rows ));
args.push_back( make_pair( sizeof(cl_int), (void *)&srcoffset1 ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dstoffset1 ));
args.push_back( make_pair( sizeof(cl_int), (void *)&srcstep1 ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dststep1 ));
openCLExecuteKernel(clCxt, source, kernelName, globalThreads, localThreads,
args, src.oclchannels(), -1, buildOptions.c_str());
}
void cv::ocl::exp(const oclMat &src, oclMat &dst)
{
arithmetic_exp_log_run(src, dst, "arithm_exp", &arithm_exp);
}
void cv::ocl::log(const oclMat &src, oclMat &dst)
{
arithmetic_exp_log_run(src, dst, "arithm_log", &arithm_log);
}
//////////////////////////////////////////////////////////////////////////////
////////////////////////////// magnitude phase ///////////////////////////////
//////////////////////////////////////////////////////////////////////////////
static void arithmetic_magnitude_phase_run(const oclMat &src1, const oclMat &src2, oclMat &dst, string kernelName)
{
int channels = dst.oclchannels();
int depth = dst.depth();
size_t vector_length = 1;
int offset_cols = ((dst.offset % dst.step) / dst.elemSize1()) & (vector_length - 1);
int cols = divUp(dst.cols * channels + offset_cols, vector_length);
size_t localThreads[3] = { 64, 4, 1 };
size_t globalThreads[3] = { cols, dst.rows, 1 };
vector<pair<size_t , const void *> > args;
args.push_back( make_pair( sizeof(cl_mem), (void *)&src1.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src1.step ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src1.offset ));
args.push_back( make_pair( sizeof(cl_mem), (void *)&src2.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src2.step ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src2.offset ));
args.push_back( make_pair( sizeof(cl_mem), (void *)&dst.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dst.step ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dst.offset ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dst.rows ));
args.push_back( make_pair( sizeof(cl_int), (void *)&cols ));
openCLExecuteKernel(src1.clCxt, &arithm_magnitude, kernelName, globalThreads, localThreads, args, -1, depth);
}
void cv::ocl::magnitude(const oclMat &src1, const oclMat &src2, oclMat &dst)
{
if (!src1.clCxt->supportsFeature(FEATURE_CL_DOUBLE) && src1.depth() == CV_64F)
{
CV_Error(CV_OpenCLDoubleNotSupported, "Selected device doesn't support double");
return;
}
CV_Assert(src1.type() == src2.type() && src1.size() == src2.size() &&
(src1.depth() == CV_32F || src1.depth() == CV_64F));
dst.create(src1.size(), src1.type());
arithmetic_magnitude_phase_run(src1, src2, dst, "arithm_magnitude");
}
static void arithmetic_phase_run(const oclMat &src1, const oclMat &src2, oclMat &dst, string kernelName, const cv::ocl::ProgramEntry* source)
{
int depth = dst.depth(), cols1 = src1.cols * src1.oclchannels();
int src1step1 = src1.step / src1.elemSize1(), src1offset1 = src1.offset / src1.elemSize1();
int src2step1 = src2.step / src2.elemSize1(), src2offset1 = src2.offset / src2.elemSize1();
int dststep1 = dst.step / dst.elemSize1(), dstoffset1 = dst.offset / dst.elemSize1();
size_t localThreads[3] = { 64, 4, 1 };
size_t globalThreads[3] = { cols1, dst.rows, 1 };
vector<pair<size_t , const void *> > args;
args.push_back( make_pair( sizeof(cl_mem), (void *)&src1.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src1step1 ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src1offset1 ));
args.push_back( make_pair( sizeof(cl_mem), (void *)&src2.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src2step1 ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src2offset1 ));
args.push_back( make_pair( sizeof(cl_mem), (void *)&dst.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dststep1 ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dstoffset1 ));
args.push_back( make_pair( sizeof(cl_int), (void *)&cols1 ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dst.rows ));
openCLExecuteKernel(src1.clCxt, source, kernelName, globalThreads, localThreads, args, -1, depth);
}
void cv::ocl::phase(const oclMat &x, const oclMat &y, oclMat &Angle, bool angleInDegrees)
{
if (!x.clCxt->supportsFeature(FEATURE_CL_DOUBLE) && x.depth() == CV_64F)
{
CV_Error(CV_OpenCLDoubleNotSupported, "Selected device doesn't support double");
return;
}
CV_Assert(x.type() == y.type() && x.size() == y.size() && (x.depth() == CV_32F || x.depth() == CV_64F));
CV_Assert(x.step % x.elemSize() == 0 && y.step % y.elemSize() == 0);
Angle.create(x.size(), x.type());
arithmetic_phase_run(x, y, Angle, angleInDegrees ? "arithm_phase_indegrees" : "arithm_phase_inradians", &arithm_phase);
}
//////////////////////////////////////////////////////////////////////////////
////////////////////////////////// cartToPolar ///////////////////////////////
//////////////////////////////////////////////////////////////////////////////
static void arithmetic_cartToPolar_run(const oclMat &src1, const oclMat &src2, oclMat &dst_mag, oclMat &dst_cart,
string kernelName, bool angleInDegrees)
{
int channels = src1.oclchannels();
int depth = src1.depth();
int cols = src1.cols * channels;
size_t localThreads[3] = { 64, 4, 1 };
size_t globalThreads[3] = { cols, src1.rows, 1 };
int tmp = angleInDegrees ? 1 : 0;
vector<pair<size_t , const void *> > args;
args.push_back( make_pair( sizeof(cl_mem), (void *)&src1.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src1.step ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src1.offset ));
args.push_back( make_pair( sizeof(cl_mem), (void *)&src2.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src2.step ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src2.offset ));
args.push_back( make_pair( sizeof(cl_mem), (void *)&dst_mag.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dst_mag.step ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dst_mag.offset ));
args.push_back( make_pair( sizeof(cl_mem), (void *)&dst_cart.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dst_cart.step ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dst_cart.offset ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src1.rows ));
args.push_back( make_pair( sizeof(cl_int), (void *)&cols ));
args.push_back( make_pair( sizeof(cl_int), (void *)&tmp ));
openCLExecuteKernel(src1.clCxt, &arithm_cartToPolar, kernelName, globalThreads, localThreads, args, -1, depth);
}
void cv::ocl::cartToPolar(const oclMat &x, const oclMat &y, oclMat &mag, oclMat &angle, bool angleInDegrees)
{
if (!x.clCxt->supportsFeature(FEATURE_CL_DOUBLE) && x.depth() == CV_64F)
{
CV_Error(CV_OpenCLDoubleNotSupported, "Selected device doesn't support double");
return;
}
CV_Assert(x.type() == y.type() && x.size() == y.size() && (x.depth() == CV_32F || x.depth() == CV_64F));
mag.create(x.size(), x.type());
angle.create(x.size(), x.type());
arithmetic_cartToPolar_run(x, y, mag, angle, "arithm_cartToPolar", angleInDegrees);
}
//////////////////////////////////////////////////////////////////////////////
////////////////////////////////// polarToCart ///////////////////////////////
//////////////////////////////////////////////////////////////////////////////
static void arithmetic_ptc_run(const oclMat &src1, const oclMat &src2, oclMat &dst1, oclMat &dst2, bool angleInDegrees,
string kernelName)
{
int channels = src2.oclchannels();
int depth = src2.depth();
int cols = src2.cols * channels;
int rows = src2.rows;
size_t localThreads[3] = { 64, 4, 1 };
size_t globalThreads[3] = { cols, rows, 1 };
int tmp = angleInDegrees ? 1 : 0;
vector<pair<size_t , const void *> > args;
if (src1.data)
{
args.push_back( make_pair( sizeof(cl_mem), (void *)&src1.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src1.step ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src1.offset ));
}
args.push_back( make_pair( sizeof(cl_mem), (void *)&src2.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src2.step ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src2.offset ));
args.push_back( make_pair( sizeof(cl_mem), (void *)&dst1.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dst1.step ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dst1.offset ));
args.push_back( make_pair( sizeof(cl_mem), (void *)&dst2.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dst2.step ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dst2.offset ));
args.push_back( make_pair( sizeof(cl_int), (void *)&rows ));
args.push_back( make_pair( sizeof(cl_int), (void *)&cols ));
args.push_back( make_pair( sizeof(cl_int), (void *)&tmp ));
openCLExecuteKernel(src1.clCxt, &arithm_polarToCart, kernelName, globalThreads, localThreads, args, -1, depth);
}
void cv::ocl::polarToCart(const oclMat &magnitude, const oclMat &angle, oclMat &x, oclMat &y, bool angleInDegrees)
{
if (!magnitude.clCxt->supportsFeature(FEATURE_CL_DOUBLE) && magnitude.depth() == CV_64F)
{
CV_Error(CV_OpenCLDoubleNotSupported, "Selected device doesn't support double");
return;
}
CV_Assert(angle.depth() == CV_32F || angle.depth() == CV_64F);
CV_Assert(magnitude.size() == angle.size() && magnitude.type() == angle.type());
x.create(angle.size(), angle.type());
y.create(angle.size(), angle.type());
if ( magnitude.data )
arithmetic_ptc_run(magnitude, angle, x, y, angleInDegrees, "arithm_polarToCart_mag");
else
arithmetic_ptc_run(magnitude, angle, x, y, angleInDegrees, "arithm_polarToCart");
}
//////////////////////////////////////////////////////////////////////////////
/////////////////////////////////// minMaxLoc ////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
static void arithmetic_minMaxLoc_run(const oclMat &src, cl_mem &dst, int vlen , int groupnum)
{
vector<pair<size_t , const void *> > args;
int all_cols = src.step / (vlen * src.elemSize1());
int pre_cols = (src.offset % src.step) / (vlen * src.elemSize1());
int sec_cols = all_cols - (src.offset % src.step + src.cols * src.elemSize1() - 1) / (vlen * src.elemSize1()) - 1;
int invalid_cols = pre_cols + sec_cols;
int cols = all_cols - invalid_cols , elemnum = cols * src.rows;;
int offset = src.offset / (vlen * src.elemSize1());
int repeat_s = src.offset / src.elemSize1() - offset * vlen;
int repeat_e = (offset + cols) * vlen - src.offset / src.elemSize1() - src.cols;
args.push_back( make_pair( sizeof(cl_int) , (void *)&cols ));
args.push_back( make_pair( sizeof(cl_int) , (void *)&invalid_cols ));
args.push_back( make_pair( sizeof(cl_int) , (void *)&offset));
args.push_back( make_pair( sizeof(cl_int) , (void *)&elemnum));
args.push_back( make_pair( sizeof(cl_int) , (void *)&groupnum));
args.push_back( make_pair( sizeof(cl_mem) , (void *)&src.data));
args.push_back( make_pair( sizeof(cl_mem) , (void *)&dst ));
char build_options[50];
sprintf(build_options, "-D DEPTH_%d -D REPEAT_S%d -D REPEAT_E%d", src.depth(), repeat_s, repeat_e);
size_t gt[3] = {groupnum * 256, 1, 1}, lt[3] = {256, 1, 1};
openCLExecuteKernel(src.clCxt, &arithm_minMaxLoc, "arithm_op_minMaxLoc", gt, lt, args, -1, -1, build_options);
}
static void arithmetic_minMaxLoc_mask_run(const oclMat &src, const oclMat &mask, cl_mem &dst, int vlen, int groupnum)
{
vector<pair<size_t , const void *> > args;
size_t gt[3] = {groupnum * 256, 1, 1}, lt[3] = {256, 1, 1};
char build_options[50];
if (src.oclchannels() == 1)
{
int cols = (src.cols - 1) / vlen + 1;
int invalid_cols = src.step / (vlen * src.elemSize1()) - cols;
int offset = src.offset / src.elemSize1();
int repeat_me = vlen - (mask.cols % vlen == 0 ? vlen : mask.cols % vlen);
int minvalid_cols = mask.step / (vlen * mask.elemSize1()) - cols;
int moffset = mask.offset / mask.elemSize1();
int elemnum = cols * src.rows;
sprintf(build_options, "-D DEPTH_%d -D REPEAT_E%d", src.depth(), repeat_me);
args.push_back( make_pair( sizeof(cl_int) , (void *)&cols ));
args.push_back( make_pair( sizeof(cl_int) , (void *)&invalid_cols ));
args.push_back( make_pair( sizeof(cl_int) , (void *)&offset));
args.push_back( make_pair( sizeof(cl_int) , (void *)&elemnum));
args.push_back( make_pair( sizeof(cl_int) , (void *)&groupnum));
args.push_back( make_pair( sizeof(cl_mem) , (void *)&src.data));
args.push_back( make_pair( sizeof(cl_int) , (void *)&minvalid_cols ));
args.push_back( make_pair( sizeof(cl_int) , (void *)&moffset ));
args.push_back( make_pair( sizeof(cl_mem) , (void *)&mask.data ));
args.push_back( make_pair( sizeof(cl_mem) , (void *)&dst ));
openCLExecuteKernel(src.clCxt, &arithm_minMaxLoc_mask, "arithm_op_minMaxLoc_mask", gt, lt, args, -1, -1, build_options);
}
}
template <typename T>
void arithmetic_minMaxLoc(const oclMat &src, double *minVal, double *maxVal,
Point *minLoc, Point *maxLoc, const oclMat &mask)
{
CV_Assert(src.oclchannels() == 1);
size_t groupnum = src.clCxt->getDeviceInfo().maxComputeUnits;
CV_Assert(groupnum != 0);
int minloc = -1 , maxloc = -1;
int vlen = 4, dbsize = groupnum * vlen * 4 * sizeof(T) ;
Context *clCxt = src.clCxt;
cl_mem dstBuffer = openCLCreateBuffer(clCxt, CL_MEM_WRITE_ONLY, dbsize);
*minVal = std::numeric_limits<double>::max() , *maxVal = -std::numeric_limits<double>::max();
if (mask.empty())
arithmetic_minMaxLoc_run(src, dstBuffer, vlen, groupnum);
else
arithmetic_minMaxLoc_mask_run(src, mask, dstBuffer, vlen, groupnum);
AutoBuffer<T> _buf(groupnum * vlen * 4);
T *p = (T*)_buf;
memset(p, 0, dbsize);
openCLReadBuffer(clCxt, dstBuffer, (void *)p, dbsize);
for (int i = 0; i < vlen * (int)groupnum; i++)
{
*minVal = (*minVal < p[i] || p[i + 2 * vlen * groupnum] == -1) ? *minVal : p[i];
minloc = (*minVal < p[i] || p[i + 2 * vlen * groupnum] == -1) ? minloc : cvRound(p[i + 2 * vlen * groupnum]);
}
for (int i = vlen * (int)groupnum; i < 2 * vlen * (int)groupnum; i++)
{
*maxVal = (*maxVal > p[i] || p[i + 2 * vlen * groupnum] == -1) ? *maxVal : p[i];
maxloc = (*maxVal > p[i] || p[i + 2 * vlen * groupnum] == -1) ? maxloc : cvRound(p[i + 2 * vlen * groupnum]);
}
int pre_rows = src.offset / src.step;
int pre_cols = (src.offset % src.step) / src.elemSize1();
int wholecols = src.step / src.elemSize1();
if ( minLoc )
{
if ( minloc >= 0 )
{
minLoc->y = minloc / wholecols - pre_rows;
minLoc->x = minloc % wholecols - pre_cols;
}
else
minLoc->x = minLoc->y = -1;
}
if ( maxLoc )
{
if ( maxloc >= 0 )
{
maxLoc->y = maxloc / wholecols - pre_rows;
maxLoc->x = maxloc % wholecols - pre_cols;
}
else
maxLoc->x = maxLoc->y = -1;
}
openCLSafeCall(clReleaseMemObject(dstBuffer));
}
typedef void (*minMaxLocFunc)(const oclMat &src, double *minVal, double *maxVal,
Point *minLoc, Point *maxLoc, const oclMat &mask);
void cv::ocl::minMaxLoc(const oclMat &src, double *minVal, double *maxVal,
Point *minLoc, Point *maxLoc, const oclMat &mask)
{
if (!src.clCxt->supportsFeature(FEATURE_CL_DOUBLE) && src.depth() == CV_64F)
{
CV_Error(CV_OpenCLDoubleNotSupported, "Selected device doesn't support double");
return;
}
static minMaxLocFunc functab[2] =
{
arithmetic_minMaxLoc<float>,
arithmetic_minMaxLoc<double>
};
minMaxLocFunc func;
func = functab[(int)src.clCxt->supportsFeature(FEATURE_CL_DOUBLE)];
func(src, minVal, maxVal, minLoc, maxLoc, mask);
}
//////////////////////////////////////////////////////////////////////////////
///////////////////////////// countNonZero ///////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
static void arithmetic_countNonZero_run(const oclMat &src, cl_mem &dst, int groupnum, string kernelName)
{
int ochannels = src.oclchannels();
int all_cols = src.step / src.elemSize();
int pre_cols = (src.offset % src.step) / src.elemSize();
int sec_cols = all_cols - (src.offset % src.step + src.cols * src.elemSize() - 1) / src.elemSize() - 1;
int invalid_cols = pre_cols + sec_cols;
int cols = all_cols - invalid_cols , elemnum = cols * src.rows;;
int offset = src.offset / src.elemSize();
const char * const typeMap[] = { "uchar", "char", "ushort", "short", "int", "float", "double" };
const char * const channelMap[] = { " ", " ", "2", "4", "4" };
string buildOptions = format("-D srcT=%s%s -D dstT=int%s", typeMap[src.depth()], channelMap[ochannels],
channelMap[ochannels]);
vector<pair<size_t , const void *> > args;
args.push_back( make_pair( sizeof(cl_int) , (void *)&cols ));
args.push_back( make_pair( sizeof(cl_int) , (void *)&invalid_cols ));
args.push_back( make_pair( sizeof(cl_int) , (void *)&offset));
args.push_back( make_pair( sizeof(cl_int) , (void *)&elemnum));
args.push_back( make_pair( sizeof(cl_int) , (void *)&groupnum));
args.push_back( make_pair( sizeof(cl_mem) , (void *)&src.data));
args.push_back( make_pair( sizeof(cl_mem) , (void *)&dst ));
size_t globalThreads[3] = { groupnum * 256, 1, 1 };
size_t localThreads[3] = { 256, 1, 1 };
openCLExecuteKernel(src.clCxt, &arithm_nonzero, kernelName, globalThreads, localThreads,
args, -1, -1, buildOptions.c_str());
}
int cv::ocl::countNonZero(const oclMat &src)
{
CV_Assert(src.step % src.elemSize() == 0);
CV_Assert(src.channels() == 1);
Context *clCxt = src.clCxt;
if (!src.clCxt->supportsFeature(FEATURE_CL_DOUBLE) && src.depth() == CV_64F)
{
CV_Error(CV_OpenCLDoubleNotSupported, "selected device doesn't support double");
return -1;
}
size_t groupnum = src.clCxt->getDeviceInfo().maxComputeUnits;
CV_Assert(groupnum != 0);
int dbsize = groupnum;
string kernelName = "arithm_op_nonzero";
AutoBuffer<int> _buf(dbsize);
int *p = (int*)_buf, nonzero = 0;
memset(p, 0, dbsize * sizeof(int));
cl_mem dstBuffer = openCLCreateBuffer(clCxt, CL_MEM_WRITE_ONLY, dbsize * sizeof(int));
arithmetic_countNonZero_run(src, dstBuffer, groupnum, kernelName);
openCLReadBuffer(clCxt, dstBuffer, (void *)p, dbsize * sizeof(int));
for (int i = 0; i < dbsize; i++)
nonzero += p[i];
openCLSafeCall(clReleaseMemObject(dstBuffer));
return nonzero;
}
//////////////////////////////////////////////////////////////////////////////
////////////////////////////////bitwise_op////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
static void bitwise_unary_run(const oclMat &src1, oclMat &dst, string kernelName, const cv::ocl::ProgramEntry* source)
{
dst.create(src1.size(), src1.type());
int channels = dst.oclchannels();
int depth = dst.depth();
int vector_lengths[4][7] = {{4, 4, 4, 4, 1, 1, 1},
{4, 4, 4, 4, 1, 1, 1},
{4, 4, 4, 4, 1, 1, 1},
{4, 4, 4, 4, 1, 1, 1}
};
size_t vector_length = vector_lengths[channels - 1][depth];
int offset_cols = (dst.offset / dst.elemSize1()) & (vector_length - 1);
int cols = divUp(dst.cols * channels + offset_cols, vector_length);
size_t localThreads[3] = { 64, 4, 1 };
size_t globalThreads[3] = { cols, dst.rows, 1 };
int dst_step1 = dst.cols * dst.elemSize();
vector<pair<size_t , const void *> > args;
args.push_back( make_pair( sizeof(cl_mem), (void *)&src1.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src1.step ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src1.offset ));
args.push_back( make_pair( sizeof(cl_mem), (void *)&dst.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dst.step ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dst.offset ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src1.rows ));
args.push_back( make_pair( sizeof(cl_int), (void *)&cols ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dst_step1 ));
openCLExecuteKernel(src1.clCxt, source, kernelName, globalThreads, localThreads, args, -1, depth);
}
enum { AND = 0, OR, XOR };
static void bitwise_binary_run(const oclMat &src1, const oclMat &src2, const Scalar& src3, const oclMat &mask,
oclMat &dst, int operationType)
{
CV_Assert(operationType >= AND && operationType <= XOR);
CV_Assert(src2.empty() || (!src2.empty() && src1.type() == src2.type() && src1.size() == src2.size()));
CV_Assert(mask.empty() || (!mask.empty() && mask.type() == CV_8UC1 && mask.size() == src1.size()));
dst.create(src1.size(), src1.type());
int elemSize = dst.elemSize();
int cols1 = dst.cols * elemSize;
oclMat m;
const char operationMap[] = { '&', '|', '^' };
std::string kernelName("arithm_bitwise_binary");
std::string buildOptions = format("-D Operation=%c", operationMap[operationType]);
size_t localThreads[3] = { 16, 16, 1 };
size_t globalThreads[3] = { cols1, dst.rows, 1 };
vector<pair<size_t , const void *> > args;
args.push_back( make_pair( sizeof(cl_mem), (void *)&src1.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src1.step ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src1.offset ));
if (src2.empty())
{
m.create(1, 1, dst.type());
m.setTo(src3);
args.push_back( make_pair( sizeof(cl_mem), (void *)&m.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&elemSize ) );
kernelName += "_scalar";
}
else
{
args.push_back( make_pair( sizeof(cl_mem), (void *)&src2.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src2.step ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src2.offset ));
}
if (!mask.empty())
{
args.push_back( make_pair( sizeof(cl_mem), (void *)&mask.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&mask.step ));
args.push_back( make_pair( sizeof(cl_int), (void *)&mask.offset ));
if (!src2.empty())
args.push_back( make_pair( sizeof(cl_int), (void *)&elemSize ));
kernelName += "_mask";
}
args.push_back( make_pair( sizeof(cl_mem), (void *)&dst.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dst.step ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dst.offset ));
args.push_back( make_pair( sizeof(cl_int), (void *)&cols1 ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src1.rows ));
openCLExecuteKernel(src1.clCxt, mask.empty() ? (!src2.empty() ? &arithm_bitwise_binary : &arithm_bitwise_binary_scalar) :
(!src2.empty() ? &arithm_bitwise_binary_mask : &arithm_bitwise_binary_scalar_mask),
kernelName, globalThreads, localThreads,
args, -1, -1, buildOptions.c_str());
}
void cv::ocl::bitwise_not(const oclMat &src, oclMat &dst)
{
if (!src.clCxt->supportsFeature(FEATURE_CL_DOUBLE) && src.depth() == CV_64F)
{
CV_Error(CV_OpenCLDoubleNotSupported, "selected device doesn't support double");
return;
}
dst.create(src.size(), src.type());
bitwise_unary_run(src, dst, "arithm_bitwise_not", &arithm_bitwise_not);
}
void cv::ocl::bitwise_or(const oclMat &src1, const oclMat &src2, oclMat &dst, const oclMat &mask)
{
bitwise_binary_run(src1, src2, Scalar(), mask, dst, OR);
}
void cv::ocl::bitwise_or(const oclMat &src1, const Scalar &src2, oclMat &dst, const oclMat &mask)
{
bitwise_binary_run(src1, oclMat(), src2, mask, dst, OR);
}
void cv::ocl::bitwise_and(const oclMat &src1, const oclMat &src2, oclMat &dst, const oclMat &mask)
{
bitwise_binary_run(src1, src2, Scalar(), mask, dst, AND);
}
void cv::ocl::bitwise_and(const oclMat &src1, const Scalar &src2, oclMat &dst, const oclMat &mask)
{
bitwise_binary_run(src1, oclMat(), src2, mask, dst, AND);
}
void cv::ocl::bitwise_xor(const oclMat &src1, const oclMat &src2, oclMat &dst, const oclMat &mask)
{
bitwise_binary_run(src1, src2, Scalar(), mask, dst, XOR);
}
void cv::ocl::bitwise_xor(const oclMat &src1, const Scalar &src2, oclMat &dst, const oclMat &mask)
{
bitwise_binary_run(src1, oclMat(), src2, mask, dst, XOR);
}
oclMat cv::ocl::operator ~ (const oclMat &src)
{
return oclMatExpr(src, oclMat(), MAT_NOT);
}
oclMat cv::ocl::operator | (const oclMat &src1, const oclMat &src2)
{
return oclMatExpr(src1, src2, MAT_OR);
}
oclMat cv::ocl::operator & (const oclMat &src1, const oclMat &src2)
{
return oclMatExpr(src1, src2, MAT_AND);
}
oclMat cv::ocl::operator ^ (const oclMat &src1, const oclMat &src2)
{
return oclMatExpr(src1, src2, MAT_XOR);
}
cv::ocl::oclMatExpr cv::ocl::operator + (const oclMat &src1, const oclMat &src2)
{
return oclMatExpr(src1, src2, cv::ocl::MAT_ADD);
}
cv::ocl::oclMatExpr cv::ocl::operator - (const oclMat &src1, const oclMat &src2)
{
return oclMatExpr(src1, src2, cv::ocl::MAT_SUB);
}
cv::ocl::oclMatExpr cv::ocl::operator * (const oclMat &src1, const oclMat &src2)
{
return oclMatExpr(src1, src2, cv::ocl::MAT_MUL);
}
cv::ocl::oclMatExpr cv::ocl::operator / (const oclMat &src1, const oclMat &src2)
{
return oclMatExpr(src1, src2, cv::ocl::MAT_DIV);
}
void oclMatExpr::assign(oclMat& m) const
{
switch (op)
{
case MAT_ADD:
add(a, b, m);
break;
case MAT_SUB:
subtract(a, b, m);
break;
case MAT_MUL:
multiply(a, b, m);
break;
case MAT_DIV:
divide(a, b, m);
break;
case MAT_NOT:
bitwise_not(a, m);
break;
case MAT_AND:
bitwise_and(a, b, m);
break;
case MAT_OR:
bitwise_or(a, b, m);
break;
case MAT_XOR:
bitwise_xor(a, b, m);
break;
}
}
oclMatExpr::operator oclMat() const
{
oclMat m;
assign(m);
return m;
}
//////////////////////////////////////////////////////////////////////////////
/////////////////////////////// transpose ////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
#define TILE_DIM (32)
#define BLOCK_ROWS (256 / TILE_DIM)
static void transpose_run(const oclMat &src, oclMat &dst, string kernelName, bool inplace = false)
{
const char * const typeMap[] = { "uchar", "char", "ushort", "short", "int", "float", "double" };
const char channelsString[] = { ' ', ' ', '2', '4', '4' };
std::string buildOptions = format("-D T=%s%c", typeMap[src.depth()],
channelsString[src.channels()]);
size_t localThreads[3] = { TILE_DIM, BLOCK_ROWS, 1 };
size_t globalThreads[3] = { src.cols, inplace ? src.rows : divUp(src.rows, TILE_DIM) * BLOCK_ROWS, 1 };
int srcstep1 = src.step / src.elemSize(), dststep1 = dst.step / dst.elemSize();
int srcoffset1 = src.offset / src.elemSize(), dstoffset1 = dst.offset / dst.elemSize();
vector<pair<size_t , const void *> > args;
args.push_back( make_pair( sizeof(cl_mem), (void *)&src.data ));
args.push_back( make_pair( sizeof(cl_mem), (void *)&dst.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src.cols ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src.rows ));
args.push_back( make_pair( sizeof(cl_int), (void *)&srcstep1 ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dststep1 ));
args.push_back( make_pair( sizeof(cl_int), (void *)&srcoffset1 ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dstoffset1 ));
openCLExecuteKernel(src.clCxt, &arithm_transpose, kernelName, globalThreads, localThreads,
args, -1, -1, buildOptions.c_str());
}
void cv::ocl::transpose(const oclMat &src, oclMat &dst)
{
if (!src.clCxt->supportsFeature(FEATURE_CL_DOUBLE) && src.depth() == CV_64F)
{
CV_Error(CV_OpenCLDoubleNotSupported, "Selected device doesn't support double");
return;
}
if ( src.data == dst.data && src.cols == src.rows && dst.offset == src.offset
&& dst.size() == src.size())
transpose_run( src, dst, "transpose_inplace", true);
else
{
dst.create(src.cols, src.rows, src.type());
transpose_run( src, dst, "transpose");
}
}
//////////////////////////////////////////////////////////////////////////////
////////////////////////////// addWeighted ///////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
void cv::ocl::addWeighted(const oclMat &src1, double alpha, const oclMat &src2, double beta, double gama, oclMat &dst)
{
Context *clCxt = src1.clCxt;
bool hasDouble = clCxt->supportsFeature(FEATURE_CL_DOUBLE);
if (!hasDouble && src1.depth() == CV_64F)
{
CV_Error(CV_OpenCLDoubleNotSupported, "Selected device doesn't support double");
return;
}
CV_Assert(src1.size() == src2.size() && src1.type() == src2.type());
dst.create(src1.size(), src1.type());
int channels = dst.oclchannels();
int depth = dst.depth();
int cols1 = src1.cols * channels;
int src1step1 = src1.step1(), src1offset1 = src1.offset / src1.elemSize1();
int src2step1 = src2.step1(), src2offset1 = src2.offset / src1.elemSize1();
int dststep1 = dst.step1(), dstoffset1 = dst.offset / dst.elemSize1();
const char * const typeMap[] = { "uchar", "char", "ushort", "short", "int", "float", "double" };
std::string buildOptions = format("-D T=%s -D WT=%s -D convertToT=convert_%s%s",
typeMap[depth], hasDouble ? "double" : "float", typeMap[depth],
depth >= CV_32F ? "" : "_sat_rte");
size_t localThreads[3] = { 256, 1, 1 };
size_t globalThreads[3] = { cols1, dst.rows, 1};
float alpha_f = static_cast<float>(alpha),
beta_f = static_cast<float>(beta),
gama_f = static_cast<float>(gama);
vector<pair<size_t , const void *> > args;
args.push_back( make_pair( sizeof(cl_mem), (void *)&src1.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src1step1 ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src1offset1));
args.push_back( make_pair( sizeof(cl_mem), (void *)&src2.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src2step1 ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src2offset1));
args.push_back( make_pair( sizeof(cl_mem), (void *)&dst.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dststep1 ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dstoffset1));
if (!hasDouble)
{
args.push_back( make_pair( sizeof(cl_float), (void *)&alpha_f ));
args.push_back( make_pair( sizeof(cl_float), (void *)&beta_f ));
args.push_back( make_pair( sizeof(cl_float), (void *)&gama_f ));
}
else
{
args.push_back( make_pair( sizeof(cl_double), (void *)&alpha ));
args.push_back( make_pair( sizeof(cl_double), (void *)&beta ));
args.push_back( make_pair( sizeof(cl_double), (void *)&gama ));
}
args.push_back( make_pair( sizeof(cl_int), (void *)&cols1 ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src1.rows ));
openCLExecuteKernel(clCxt, &arithm_addWeighted, "addWeighted", globalThreads, localThreads,
args, -1, -1, buildOptions.c_str());
}
//////////////////////////////////////////////////////////////////////////////
/////////////////////////////////// Pow //////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
static void arithmetic_pow_run(const oclMat &src1, double p, oclMat &dst, string kernelName, const cv::ocl::ProgramEntry* source)
{
int channels = dst.oclchannels();
int depth = dst.depth();
size_t vector_length = 1;
int offset_cols = ((dst.offset % dst.step) / dst.elemSize1()) & (vector_length - 1);
int cols = divUp(dst.cols * channels + offset_cols, vector_length);
int rows = dst.rows;
size_t localThreads[3] = { 64, 4, 1 };
size_t globalThreads[3] = { cols, rows, 1 };
int dst_step1 = dst.cols * dst.elemSize();
vector<pair<size_t , const void *> > args;
args.push_back( make_pair( sizeof(cl_mem), (void *)&src1.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src1.step ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src1.offset ));
args.push_back( make_pair( sizeof(cl_mem), (void *)&dst.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dst.step ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dst.offset ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dst.rows ));
args.push_back( make_pair( sizeof(cl_int), (void *)&cols ));
args.push_back( make_pair( sizeof(cl_int), (void *)&dst_step1 ));
float pf = static_cast<float>(p);
if (!src1.clCxt->supportsFeature(FEATURE_CL_DOUBLE))
args.push_back( make_pair( sizeof(cl_float), (void *)&pf ));
else
args.push_back( make_pair( sizeof(cl_double), (void *)&p ));
openCLExecuteKernel(src1.clCxt, source, kernelName, globalThreads, localThreads, args, -1, depth);
}
void cv::ocl::pow(const oclMat &x, double p, oclMat &y)
{
if (!x.clCxt->supportsFeature(FEATURE_CL_DOUBLE) && x.depth() == CV_64F)
{
CV_Error(CV_OpenCLDoubleNotSupported, "Selected device doesn't support double");
return;
}
CV_Assert(x.depth() == CV_32F || x.depth() == CV_64F);
y.create(x.size(), x.type());
arithmetic_pow_run(x, p, y, "arithm_pow", &arithm_pow);
}
//////////////////////////////////////////////////////////////////////////////
/////////////////////////////// setIdentity //////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
void cv::ocl::setIdentity(oclMat& src, const Scalar & scalar)
{
if (!src.clCxt->supportsFeature(FEATURE_CL_DOUBLE) && src.depth() == CV_64F)
{
CV_Error(CV_OpenCLDoubleNotSupported, "Selected device doesn't support double");
return;
}
CV_Assert(src.step % src.elemSize() == 0);
int src_step1 = src.step / src.elemSize(), src_offset1 = src.offset / src.elemSize();
size_t local_threads[] = { 16, 16, 1 };
size_t global_threads[] = { src.cols, src.rows, 1 };
const char * const typeMap[] = { "uchar", "char", "ushort", "short", "int", "float", "double" };
const char * const channelMap[] = { "", "", "2", "4", "4" };
string buildOptions = format("-D T=%s%s", typeMap[src.depth()], channelMap[src.oclchannels()]);
vector<pair<size_t , const void *> > args;
args.push_back( make_pair( sizeof(cl_mem), (void *)&src.data ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src_step1 ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src_offset1 ));
args.push_back( make_pair( sizeof(cl_int), (void *)&src.cols));
args.push_back( make_pair( sizeof(cl_int), (void *)&src.rows));
oclMat sc(1, 1, src.type(), scalar);
args.push_back( make_pair( sizeof(cl_mem), (void *)&sc.data ));
openCLExecuteKernel(src.clCxt, &arithm_setidentity, "setIdentity", global_threads, local_threads,
args, -1, -1, buildOptions.c_str());
}