1 /* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_GUI_DUMMYCONSUMER_H 18 #define ANDROID_GUI_DUMMYCONSUMER_H 19 20 #include <gui/BufferQueue.h> 21 22 namespace android { 23 // ---------------------------------------------------------------------------- 24 25 26 // The DummyConsumer does not keep a reference to BufferQueue 27 // unlike GLConsumer. This prevents a circular reference from 28 // forming without having to use a ProxyConsumerListener 29 class DummyConsumer : public BufferQueue::ConsumerListener { 30 public: 31 DummyConsumer(); 32 virtual ~DummyConsumer(); 33 protected: 34 35 // Implementation of the BufferQueue::ConsumerListener interface. These 36 // calls are used to notify the GLConsumer of asynchronous events in the 37 // BufferQueue. 38 virtual void onFrameAvailable(); 39 virtual void onBuffersReleased(); 40 41 }; 42 43 // ---------------------------------------------------------------------------- 44 }; // namespace android 45 46 #endif // ANDROID_GUI_DUMMYCONSUMER_H 47
