96e9234520
Initial implementation of the gralloc1 APIs Change-Id: I3b01595b0f9b30d9a08d02101fe42281556bd6a2
72 lines
2.7 KiB
C++
72 lines
2.7 KiB
C++
/*
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* Copyright (c) 2011-2016, The Linux Foundation. All rights reserved.
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* Not a Contribution
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*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __GR_BUF_MGR_H__
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#define __GR_BUF_MGR_H__
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#include <pthread.h>
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#include <unordered_map>
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#include <mutex>
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#include "gralloc_priv.h"
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#include "gr_allocator.h"
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namespace gralloc1 {
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class BufferManager {
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public:
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BufferManager();
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~BufferManager();
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bool Init();
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gralloc1_error_t AllocateBuffers(uint32_t numDescriptors, const BufferDescriptor *descriptors,
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buffer_handle_t *outBuffers);
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gralloc1_error_t RetainBuffer(private_handle_t const *hnd);
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gralloc1_error_t ReleaseBuffer(private_handle_t const *hnd);
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gralloc1_error_t LockBuffer(const private_handle_t *hnd, gralloc1_producer_usage_t prod_usage,
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gralloc1_consumer_usage_t cons_usage);
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gralloc1_error_t UnlockBuffer(const private_handle_t *hnd);
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gralloc1_error_t Perform(int operation, va_list args);
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private:
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gralloc1_error_t MapBuffer(private_handle_t const *hnd);
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gralloc1_error_t FreeBuffer(private_handle_t const *hnd);
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int GetBufferType(int format);
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int AllocateBuffer(const BufferDescriptor &descriptor, buffer_handle_t *handle,
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unsigned int bufferSize = 0);
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int AllocateBuffer(unsigned int size, int aligned_w, int aligned_h, int real_w, int real_h,
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int format, int bufferType, gralloc1_producer_usage_t prod_usage,
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gralloc1_consumer_usage_t cons_usage, buffer_handle_t *handle);
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int GetDataAlignment(int format, gralloc1_producer_usage_t prod_usage,
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gralloc1_consumer_usage_t cons_usage);
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int GetHandleFlags(int format, gralloc1_producer_usage_t prod_usage,
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gralloc1_consumer_usage_t cons_usage);
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void CreateSharedHandle(buffer_handle_t inbuffer, const BufferDescriptor &descriptor,
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buffer_handle_t *out_buffer);
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bool map_fb_mem_ = false;
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bool ubwc_for_fb_ = false;
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Allocator *allocator_ = NULL;
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std::mutex locker_;
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std::unordered_map<private_handle_t const *, int> handles_map_ = {};
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};
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} // namespace gralloc1
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#endif // __GR_BUF_MGR_H__
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