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OclMat implementation

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salmanulhaq 2011-07-07 16:20:43 +00:00
parent 9af213bf60
commit e22ad8050b
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86
modules/ocl/src/gpu/ocl_util.cpp Normal file
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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) 2000-2008, Intel Corporation, all rights reserved.
// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
// Third party copyrights are property of their respective owners.
//
// 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.
//
// * 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 "ocl.hpp"
cl_platform_id cv::ocl::util::GetOCLPlatform()
{
cl_platform_id pPlatforms[10] = { 0 };
char pPlatformName[128] = { 0 };
cl_uint uiPlatformsCount = 0;
cl_int err = clGetPlatformIDs(10, pPlatforms, &uiPlatformsCount);
for (cl_uint ui = 0; ui < uiPlatformsCount; ++ui)
{
err = clGetPlatformInfo(pPlatforms[ui], CL_PLATFORM_NAME, 128 * sizeof(char), pPlatformName, NULL);
if ( err != CL_SUCCESS )
{
return NULL;
}
return pPlatforms[ui];
}
}
int cv::ocl::util::createContext(cl_context* context, cl_command_queue* cmd_queue, bool hasGPU){
size_t cb;
cl_int err;
cl_platform_id platform_id = cv::ocl::util::GetOCLPlatform();
cl_context_properties context_properties[3] = {CL_CONTEXT_PLATFORM, (cl_context_properties)platform_id, NULL };
//If the GPU is present, create the context on GPU
if(hasGPU)
*context = clCreateContextFromType(context_properties, CL_DEVICE_TYPE_GPU, NULL, NULL, NULL);
else
*context = clCreateContextFromType(context_properties, CL_DEVICE_TYPE_CPU, NULL, NULL, NULL);
// get the list of devices associated with context
err = clGetContextInfo(*context, CL_CONTEXT_DEVICES, 0, NULL, &cb);
cl_device_id *devices = (cl_device_id*)malloc(cb);
clGetContextInfo(*context, CL_CONTEXT_DEVICES, cb, devices, NULL);
// create a command-queue
*cmd_queue = clCreateCommandQueue(*context, devices[0], 0, NULL);
free(devices);
return CL_SUCCESS;
}

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modules/ocl/src/gpu/oclmat.cpp Normal file
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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) 2000-2008, Intel Corporation, all rights reserved.
// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
// Third party copyrights are property of their respective owners.
//
// 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 GpuMaterials 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 "ocl.hpp"
namespace cv{
namespace ocl{
cl_context ocl_context;
cl_command_queue ocl_cmd_queue;
bool initialized = false;
inline OclMat::OclMat() : rows(0), cols(0), step(0), data(0), refcount(0) {}
inline OclMat::OclMat(int _rows, int _cols, int _type): flags(0), rows(0), cols(0), step(0), data(0), refcount(0){
if(_rows > 0 && _cols > 0)
create(_rows, _cols, _type);
}
inline OclMat::OclMat(Size size, int _type): flags(0), rows(0), cols(0), step(0), data(0), refcount(0){
if(size.height > 0 && size.width > 0)
create(size, _type);
}
inline OclMat::OclMat(const OclMat& m)
: flags(m.flags), rows(m.rows), cols(m.cols), step(m.step), data(m.data), refcount(m.refcount){
if(refcount)
CV_XADD(refcount, 1);
}
inline OclMat::OclMat(const Mat& m)
: flags(0), rows(0), cols(0), step(0), data(0), refcount(0) { upload(m); }
inline OclMat::~OclMat(){ release(); }
void OclMat::_upload(size_t size, void* src){
this->data = clCreateBuffer(ocl_context, CL_MEM_READ_WRITE | CL_MEM_COPY_HOST_PTR, size, src, NULL);
}
void OclMat::_download(size_t size, void* dst){
cl_int err = clEnqueueReadBuffer(ocl_cmd_queue, data, CL_TRUE, 0, size, dst, 0, NULL, NULL);
}
void OclMat::release(){
if( refcount && CV_XADD(refcount, -1) == 1 )
{
free(refcount);
clReleaseMemObject(data);
}
clReleaseMemObject(data);
data = 0;
step = rows = cols = 0;
refcount = 0;
}
void OclMat::upload(const Mat& m){
create(m.rows, m.cols, m.type());
int ch = channels();
int d = elemSize();
size_t s = rows*cols*ch*d;
if(initialized)
this->_upload(s, m.data);
else{
init();
this->_upload(s, m.data);
#ifdef _DEBUG
printf("Context and Command queues not initialized. First call cv::ocl::init()");
#endif
}
}
void OclMat::download(Mat& m){
size_t s = rows*cols*channels()*elemSize();
m.create(rows, cols, type());
if(initialized){
this->_download(s, m.data);
}
else{
init();
this->_download(s, m.data);
#ifdef _DEBUG
printf("Context and Command queues not initialized. First call cv::ocl::init()");
#endif
}
}
void init(){
if(!initialized){
cv::ocl::util::createContext(&ocl_context, &ocl_cmd_queue, false);
initialized = true;
}
}
void OclMat::create(int _rows, int _cols, int _type){
if(!initialized)
init();
_type &= TYPE_MASK;
if( rows == _rows && cols == _cols && type() == _type && data )
return;
if( data )
release();
if( _rows > 0 && _cols > 0 ){
flags = Mat::MAGIC_VAL + _type;
rows = _rows;
cols = _cols;
size_t esz = elemSize();
int ch = channels();
step = esz*cols*ch;
size_t size = esz*rows*cols*ch;
data = clCreateBuffer(ocl_context, CL_MEM_READ_WRITE, size, NULL, NULL);
if (esz * cols == step)
flags |= Mat::CONTINUOUS_FLAG;
/*
refcount = (int*)fastMalloc(sizeof(*refcount));
*refcount = 1;
*/
}
}
void OclMat::create(Size size, int _type){
return create(size.height, size.width, _type);
}
inline OclMat::operator Mat()
{
Mat m;
download(m);
return m;
}
inline OclMat& OclMat::operator = (const OclMat& m)
{
if( this != &m )
{
if( m.refcount )
CV_XADD(m.refcount, 1);
release();
flags = m.flags;
rows = m.rows; cols = m.cols;
step = m.step; data = m.data;
data = m.data;
refcount = m.refcount;
}
return *this;
}
inline OclMat::OclMat(int _rows, int _cols, int _type, const Scalar& _s)
: flags(0), rows(0), cols(0), step(0), data(0), refcount(0)
{
if(_rows > 0 && _cols > 0)
{
create(_rows, _cols, _type);
*this = _s;
}
}
inline OclMat& OclMat::operator = (const Mat& m) { upload(m); return *this; }
OclMat& OclMat::operator = (const Scalar& s)
{
setTo(s);
return *this;
}
OclMat& OclMat::setTo(const Scalar& s){
//if (s[0] == 0.0 && s[1] == 0.0 && s[2] == 0.0 && s[3] == 0.0)
//{
size_t sz = rows*cols*channels()*elemSize();
//void* ptr = (void*)malloc(sz);
//memset(ptr, s[0], sz);
//clEnqueueWriteBuffer(ocl_cmd_queue, data, CL_TRUE, 0, sz, ptr, NULL, NULL, NULL);
//free(ptr); ptr = 0;
return *this;
//}
}
inline size_t OclMat::elemSize() const{ return CV_ELEM_SIZE(flags); }
inline size_t OclMat::elemSize1() const{ return CV_ELEM_SIZE1(flags); }
inline int OclMat::type() const { return CV_MAT_TYPE(flags); }
inline int OclMat::depth() const{ return CV_MAT_DEPTH(flags); }
inline int OclMat::channels() const{ return CV_MAT_CN(flags); }
inline size_t OclMat::step1() const{ return step/elemSize1(); }
inline Size OclMat::size() const{ return Size(cols, rows); }
inline bool OclMat::empty() const{ return data == 0; }
}
}

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modules/ocl/src/gpu/precomp.cpp Normal file
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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.
//
//
// Intel License Agreement
// For Open Source Computer Vision Library
//
// Copyright (C) 2000, Intel Corporation, all rights reserved.
// Third party copyrights are property of their respective owners.
//
// 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 Intel Corporation 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"
/* End of file. */

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modules/ocl/src/gpu/precomp.hpp Normal file
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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) 2000-2008, Intel Corporation, all rights reserved.
// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
// Third party copyrights are property of their respective owners.
//
// 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 PRECOMP_H__
#define PRECOMP_H__
#define OCL_EXPORTS __declspec(dllexport)
#include <exception>
#include "opencv/highgui.h"
#include "opencv/cv.h"
#include <CL/cl.h> //General OpenCL include file. Current version is written for Intel architecture using Intel's OpenCL SDK
#include "ocl.hpp"
#include "oclmat.hpp"
#include "ocldefs.h"
#include "ocl_util.h"
#ifdef _DEBUG
#include <stdio.h>
#endif
#endif