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