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/*
* Copyright (c) 2011-2018, 2020, The Linux Foundation. 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 Linux Foundation 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 __GR_ALLOCATOR_H__
#define __GR_ALLOCATOR_H__
#include <vector>
#include "gr_buf_descriptor.h"
#include "gr_ion_alloc.h"
#include "gr_utils.h"
#include "gralloc_priv.h"
namespace gralloc {
class Allocator {
public:
Allocator();
~Allocator();
bool Init();
void SetProperties(gralloc::GrallocProperties props);
int MapBuffer(void **base, unsigned int size, unsigned int offset, int fd);
int ImportBuffer(int fd);
int FreeBuffer(void *base, unsigned int size, unsigned int offset, int fd, int handle);
int CleanBuffer(void *base, unsigned int size, unsigned int offset, int handle, int op, int fd);
int AllocateMem(AllocData *data, uint64_t usage, int format);
// @return : index of the descriptor with maximum buffer size req
bool CheckForBufferSharing(uint32_t num_descriptors,
const std::vector<std::shared_ptr<BufferDescriptor>> &descriptors,
ssize_t *max_index);
private:
void GetIonHeapInfo(uint64_t usage, unsigned int *ion_heap_id, unsigned int *alloc_type,
unsigned int *ion_flags);
IonAlloc *ion_allocator_ = NULL;
bool use_system_heap_for_sensors_ = true;
};
} // namespace gralloc
#endif // __GR_ALLOCATOR_H__
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