/*
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* Copyright (c) 2011-2017, The Linux Foundation. All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __GR_ALLOCATOR_H__
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#define __GR_ALLOCATOR_H__
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#ifdef MASTER_SIDE_CP
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#define SECURE_ALIGN SZ_4K
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#else
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#define SECURE_ALIGN SZ_1M
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#endif
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#include <vector>
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#include "gralloc_priv.h"
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#include "gr_buf_descriptor.h"
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#include "gr_ion_alloc.h"
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namespace gralloc1 {
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class Allocator {
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public:
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Allocator();
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~Allocator();
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bool Init();
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int MapBuffer(void **base, unsigned int size, unsigned int offset, int fd);
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int ImportBuffer(int fd);
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int FreeBuffer(void *base, unsigned int size, unsigned int offset, int fd, int handle);
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int CleanBuffer(void *base, unsigned int size, unsigned int offset, int handle, int op);
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int AllocateMem(AllocData *data, gralloc1_producer_usage_t prod_usage,
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gralloc1_consumer_usage_t cons_usage);
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// @return : index of the descriptor with maximum buffer size req
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bool CheckForBufferSharing(uint32_t num_descriptors,
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const std::vector<std::shared_ptr<BufferDescriptor>>& descriptors,
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ssize_t *max_index);
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int GetImplDefinedFormat(gralloc1_producer_usage_t prod_usage,
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gralloc1_consumer_usage_t cons_usage, int format);
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bool UseUncached(gralloc1_producer_usage_t prod_usage, gralloc1_consumer_usage_t cons_usage);
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private:
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void GetIonHeapInfo(gralloc1_producer_usage_t prod_usage, gralloc1_consumer_usage_t cons_usage,
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unsigned int *ion_heap_id, unsigned int *alloc_type, unsigned int *ion_flags);
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IonAlloc *ion_allocator_ = NULL;
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};
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} // namespace gralloc1
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#endif // __GR_ALLOCATOR_H__
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