/* * Copyright (C) 2007 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef ANDROID_UI_BUFFER_MAPPER_H #define ANDROID_UI_BUFFER_MAPPER_H #include <stdint.h> #include <sys/types.h> #include <utils/Singleton.h> #include <hardware/gralloc.h> struct gralloc_module_t; namespace android { // --------------------------------------------------------------------------- class Rect; class GraphicBufferMapper : public Singleton<GraphicBufferMapper> { public: static inline GraphicBufferMapper& get() { return getInstance(); } status_t registerBuffer(buffer_handle_t handle); status_t unregisterBuffer(buffer_handle_t handle); status_t lock(buffer_handle_t handle, int usage, const Rect& bounds, void** vaddr); status_t unlock(buffer_handle_t handle); // dumps information about the mapping of this handle void dump(buffer_handle_t handle); private: friend class Singleton<GraphicBufferMapper>; GraphicBufferMapper(); gralloc_module_t const *mAllocMod; }; // --------------------------------------------------------------------------- }; // namespace android #endif // ANDROID_UI_BUFFER_MAPPER_H