1 /* 2 * Copyright (C) 2011 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_SURFACE_TEXTURE_LAYER_H 18 #define ANDROID_SURFACE_TEXTURE_LAYER_H 19 20 #include <stdlib.h> 21 #include <stdint.h> 22 #include <sys/types.h> 23 24 #include <utils/Errors.h> 25 #include <gui/SurfaceTexture.h> 26 27 namespace android { 28 // --------------------------------------------------------------------------- 29 30 class Layer; 31 32 class SurfaceTextureLayer : public SurfaceTexture 33 { 34 wp<Layer> mLayer; 35 uint32_t mDefaultFormat; 36 37 public: 38 SurfaceTextureLayer(GLuint tex, const sp<Layer>& layer); 39 ~SurfaceTextureLayer(); 40 41 status_t setDefaultBufferSize(uint32_t w, uint32_t h); 42 status_t setDefaultBufferFormat(uint32_t format); 43 44 public: 45 virtual status_t setBufferCount(int bufferCount); 46 47 protected: 48 virtual status_t queueBuffer(int buf, int64_t timestamp, 49 uint32_t* outWidth, uint32_t* outHeight, uint32_t* outTransform); 50 51 virtual status_t dequeueBuffer(int *buf, uint32_t w, uint32_t h, 52 uint32_t format, uint32_t usage); 53 54 virtual status_t connect(int api, 55 uint32_t* outWidth, uint32_t* outHeight, uint32_t* outTransform); 56 }; 57 58 // --------------------------------------------------------------------------- 59 }; // namespace android 60 61 #endif // ANDROID_SURFACE_TEXTURE_LAYER_H 62