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							80 lines
						
					
					
						
							2.2 KiB
						
					
					
				/*
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 * Copyright (C) 2007 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_UI_BUFFER_MAPPER_H
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#define ANDROID_UI_BUFFER_MAPPER_H
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#include <stdint.h>
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#include <sys/types.h>
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#include <utils/Singleton.h>
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#include <hardware/gralloc.h>
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struct gralloc_module_t;
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namespace android {
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// ---------------------------------------------------------------------------
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class Rect;
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class GraphicBufferMapper : public Singleton<GraphicBufferMapper>
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{
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public:
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    static inline GraphicBufferMapper& get() { return getInstance(); }
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    status_t registerBuffer(buffer_handle_t handle);
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    status_t unregisterBuffer(buffer_handle_t handle);
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    status_t lock(buffer_handle_t handle,
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            uint32_t usage, const Rect& bounds, void** vaddr);
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    status_t lockYCbCr(buffer_handle_t handle,
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            uint32_t usage, const Rect& bounds, android_ycbcr *ycbcr);
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    status_t unlock(buffer_handle_t handle);
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    status_t lockAsync(buffer_handle_t handle,
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            uint32_t usage, const Rect& bounds, void** vaddr, int fenceFd);
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    status_t lockAsyncYCbCr(buffer_handle_t handle,
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            uint32_t usage, const Rect& bounds, android_ycbcr *ycbcr,
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            int fenceFd);
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    status_t unlockAsync(buffer_handle_t handle, int *fenceFd);
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#ifdef EXYNOS4_ENHANCEMENTS
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    status_t getphys(buffer_handle_t handle, void** paddr);
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#endif
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    // dumps information about the mapping of this handle
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    void dump(buffer_handle_t handle);
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private:
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    friend class Singleton<GraphicBufferMapper>;
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    GraphicBufferMapper();
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    gralloc_module_t const *mAllocMod;
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};
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// ---------------------------------------------------------------------------
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}; // namespace android
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#endif // ANDROID_UI_BUFFER_MAPPER_H
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