android_hardware_qcom_display/libgralloc/ashmemalloc.h

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/*
* Copyright (c) 2011, Code Aurora Forum. 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 Code Aurora Forum, Inc. 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 "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 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.
*/
#ifndef GRALLOC_ASHMEMALLOC_H
#define GRALLOC_ASHMEMALLOC_H
#include "memalloc.h"
#ifdef USE_ION
#include <linux/ion.h>
#endif
namespace gralloc {
class AshmemAlloc : public IMemAlloc {
public:
virtual int alloc_buffer(alloc_data& data);
virtual int free_buffer(void *base, size_t size,
int offset, int fd);
virtual int map_buffer(void **pBase, size_t size,
int offset, int fd);
virtual int unmap_buffer(void *base, size_t size,
int offset);
virtual int clean_buffer(void*base, size_t size,
int offset, int fd);
};
}
#endif /* GRALLOC_ASHMEMALLOC_H */