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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright 2011, Blender Foundation.
*/
class OpenCLDevice;
#pragma once
#include "COM_Device.h"
#include "COM_ReadBufferOperation.h"
#include "COM_WorkScheduler.h"
#include "clew.h"
using std::list;
/**
* \brief device representing an GPU OpenCL device.
* an instance of this class represents a single cl_device
*/
class OpenCLDevice : public Device {
private:
/**
* \brief opencl context
*/
cl_context m_context;
/**
* \brief opencl device
*/
cl_device_id m_device;
/**
* \brief opencl program
*/
cl_program m_program;
/**
* \brief opencl command queue
*/
cl_command_queue m_queue;
/**
* \brief opencl vendor ID
*/
cl_int m_vendorID;
public:
/**
* \brief constructor with opencl device
* \param context:
* \param device:
* \param program:
* \param vendorID:
*/
OpenCLDevice(cl_context context, cl_device_id device, cl_program program, cl_int vendorId);
/**
* \brief initialize the device
* During initialization the OpenCL cl_command_queue is created
* the command queue is stored in the field queue.
* \see queue
*/
bool initialize();
/**
* \brief de-initialize the device
* During de-initialization the command queue is cleared
*/
void deinitialize();
/**
* \brief execute a WorkPackage
* \param work: the WorkPackage to execute
*/
void execute(WorkPackage *work);
/**
* \brief determine an image format
* \param memorybuffer:
*/
static const cl_image_format *determineImageFormat(MemoryBuffer *memoryBuffer);
cl_context getContext()
{
return this->m_context;
}
cl_command_queue getQueue()
{
return this->m_queue;
}
cl_mem COM_clAttachMemoryBufferToKernelParameter(cl_kernel kernel,
int parameterIndex,
int offsetIndex,
list<cl_mem> *cleanup,
MemoryBuffer **inputMemoryBuffers,
SocketReader *reader);
cl_mem COM_clAttachMemoryBufferToKernelParameter(cl_kernel kernel,
int parameterIndex,
int offsetIndex,
list<cl_mem> *cleanup,
MemoryBuffer **inputMemoryBuffers,
ReadBufferOperation *reader);
void COM_clAttachMemoryBufferOffsetToKernelParameter(cl_kernel kernel,
int offsetIndex,
MemoryBuffer *memoryBuffers);
void COM_clAttachOutputMemoryBufferToKernelParameter(cl_kernel kernel,
int parameterIndex,
cl_mem clOutputMemoryBuffer);
void COM_clAttachSizeToKernelParameter(cl_kernel kernel,
int offsetIndex,
NodeOperation *operation);
void COM_clEnqueueRange(cl_kernel kernel, MemoryBuffer *outputMemoryBuffer);
void COM_clEnqueueRange(cl_kernel kernel,
MemoryBuffer *outputMemoryBuffer,
int offsetIndex,
NodeOperation *operation);
cl_kernel COM_clCreateKernel(const char *kernelname, list<cl_kernel> *clKernelsToCleanUp);
};
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