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69 lines
2.2 KiB
69 lines
2.2 KiB
/*
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**
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** Copyright 2009, 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 ANDROID_BUFFER_ALLOCATOR_H
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#define ANDROID_BUFFER_ALLOCATOR_H
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#include <stdint.h>
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#include <memory>
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#include <string>
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#include <cutils/native_handle.h>
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#include <ui/PixelFormat.h>
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#include <utils/Errors.h>
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#include <utils/Mutex.h>
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#include <utils/Singleton.h>
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#include <unordered_map>
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namespace android {
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namespace Gralloc2 {
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class Allocator;
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}
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class GraphicBufferMapper;
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class String8;
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class GraphicBufferAllocator : public Singleton<GraphicBufferAllocator>
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{
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public:
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static inline GraphicBufferAllocator& get() { return getInstance(); }
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status_t allocate(uint32_t w, uint32_t h, PixelFormat format,
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uint32_t layerCount, uint64_t usage,
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buffer_handle_t* handle, uint32_t* stride, uint64_t graphicBufferId,
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std::string requestorName);
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status_t free(buffer_handle_t handle);
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void dump(String8& res) const;
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static void dumpToSystemLog();
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private:
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struct alloc_rec_t {
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uint32_t width;
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uint32_t height;
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uint32_t stride;
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PixelFormat format;
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uint32_t layerCount;
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uint64_t usage;
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size_t size;
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std::string requestorName;
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};
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static Mutex sLock;
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static std::unordered_map<buffer_handle_t, alloc_rec_t> sAllocList;
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friend class Singleton<GraphicBufferAllocator>;
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GraphicBufferAllocator();
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~GraphicBufferAllocator();
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GraphicBufferMapper& mMapper;
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const std::unique_ptr<const Gralloc2::Allocator> mAllocator;
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};
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// ---------------------------------------------------------------------------
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}; // namespace android
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#endif // ANDROID_BUFFER_ALLOCATOR_H
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