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_SURFACEFLINGERCONSUMER_H 18 #define ANDROID_SURFACEFLINGERCONSUMER_H 19 20 #include <gui/GLConsumer.h> 21 22 namespace android { 23 // ---------------------------------------------------------------------------- 24 25 /* 26 * This is a thin wrapper around GLConsumer. 27 */ 28 class SurfaceFlingerConsumer : public GLConsumer { 29 public: 30 SurfaceFlingerConsumer(GLuint tex, bool allowSynchronousMode = true, 31 GLenum texTarget = GL_TEXTURE_EXTERNAL_OES, bool useFenceSync = true, 32 const sp<BufferQueue> &bufferQueue = 0) 33 : GLConsumer(tex, allowSynchronousMode, texTarget, useFenceSync, 34 bufferQueue) 35 {} 36 37 class BufferRejecter { 38 friend class SurfaceFlingerConsumer; 39 virtual bool reject(const sp<GraphicBuffer>& buf, 40 const BufferQueue::BufferItem& item) = 0; 41 42 protected: 43 virtual ~BufferRejecter() { } 44 }; 45 46 // This version of updateTexImage() takes a functor that may be used to 47 // reject the newly acquired buffer. Unlike the GLConsumer version, 48 // this does not guarantee that the buffer has been bound to the GL 49 // texture. 50 status_t updateTexImage(BufferRejecter* rejecter); 51 52 // See GLConsumer::bindTextureImageLocked(). 53 status_t bindTextureImage(); 54 }; 55 56 // ---------------------------------------------------------------------------- 57 }; // namespace android 58 59 #endif // ANDROID_SURFACEFLINGERCONSUMER_H 60
