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/*
* Copyright (c) 2011, Denis Steckelmacher <steckdenis@yahoo.fr>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions 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.
* * Neither the name of the copyright holder nor the
* names of its contributors may 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 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.
*/
/**
* \file context.h
* \brief OpenCL context
*/
#ifndef __CONTEXT_H__
#define __CONTEXT_H__
#include "object.h"
#include <CL/cl.h>
namespace Coal
{
class DeviceInterface;
/**
* \brief OpenCL context
*
* This class is the root of all OpenCL objects, except \c Coal::DeviceInterface.
*/
class Context : public Object
{
public:
/**
* \brief Constructor
* \param properties properties of the context
* \param num_devices number of devices that will be used
* \param devices \c Coal::DeviceInterface to be used
* \param pfn_notify function to call when an error arises, to give
* more detail
* \param user_data user data to pass to \p pfn_notify
* \param errcode_ret return code
*/
Context(const cl_context_properties *properties,
cl_uint num_devices,
const cl_device_id *devices,
void (CL_CALLBACK *pfn_notify)(const char *, const void *,
size_t, void *),
void *user_data,
cl_int *errcode_ret);
~Context();
/**
* \brief Info about the context
* \copydetails Coal::DeviceInterface::info
*/
cl_int info(cl_context_info param_name,
size_t param_value_size,
void *param_value,
size_t *param_value_size_ret) const;
/**
* \brief Check that this context contains a given \p device
* \param device device to check
* \return whether this context contains \p device
*/
bool hasDevice(DeviceInterface *device) const;
private:
cl_context_properties *p_properties;
void (CL_CALLBACK *p_pfn_notify)(const char *, const void *,
size_t, void *);
void *p_user_data;
DeviceInterface **p_devices;
unsigned int p_num_devices, p_props_len;
cl_platform_id p_platform;
};
}
struct _cl_context : public Coal::Context
{};
#endif
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