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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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| 
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| #ifndef ANDROID_UI_BUFFER_MAPPER_H
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| #define ANDROID_UI_BUFFER_MAPPER_H
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| 
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| #include <stdint.h>
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| #include <sys/types.h>
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| 
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| #include <utils/Singleton.h>
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| 
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| #include <hardware/gralloc.h>
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| 
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| 
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| struct gralloc_module_t;
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| 
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| namespace android {
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| 
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| // ---------------------------------------------------------------------------
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| 
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| class Rect;
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| 
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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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| 
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|     status_t registerBuffer(buffer_handle_t handle);
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| 
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|     status_t unregisterBuffer(buffer_handle_t handle);
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| 
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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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| 
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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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| 
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|     status_t unlock(buffer_handle_t handle);
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| 
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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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| 
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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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| 
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|     status_t unlockAsync(buffer_handle_t handle, int *fenceFd);
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| 
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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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| 
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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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| 
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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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| // ---------------------------------------------------------------------------
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| 
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| }; // namespace android
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| 
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| #endif // ANDROID_UI_BUFFER_MAPPER_H
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| 
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| 
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