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      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 /* Original code copied from NDK Native-media sample code */
     18 
     19 package android.mediastress.cts;
     20 
     21 import android.content.Context;
     22 import android.graphics.SurfaceTexture;
     23 import android.opengl.GLSurfaceView;
     24 import android.util.AttributeSet;
     25 import android.view.SurfaceHolder;
     26 
     27 public class SurfaceTextureGLSurfaceView extends GLSurfaceView {
     28 
     29     private SurfaceTextureRenderer mRenderer;
     30     private final OnSurfaceChangedListener mListener;
     31 
     32     public SurfaceTextureGLSurfaceView(Context context, OnSurfaceChangedListener listener) {
     33         this(context, null, listener);
     34     }
     35 
     36     public SurfaceTextureGLSurfaceView(Context context, AttributeSet attributeSet,
     37             OnSurfaceChangedListener listener) {
     38         super(context, attributeSet);
     39         mListener = listener;
     40         init(listener);
     41     }
     42 
     43     private void init(OnSurfaceChangedListener listener) {
     44         setEGLContextClientVersion(2);
     45         mRenderer = new SurfaceTextureRenderer(listener);
     46         setRenderer(mRenderer);
     47     }
     48 
     49     public SurfaceTexture getSurfaceTexture() {
     50         return mRenderer.getSurfaceTexture();
     51     }
     52 
     53     @Override
     54     public void surfaceDestroyed(SurfaceHolder holder) {
     55         // ugly but renderer has no notification for surfaceDestroyed.
     56         if (mListener != null) {
     57             // surface destroyed long time ago, but let existing stuffs cleared
     58             mListener.onSurfaceDestroyed();
     59         }
     60         super.surfaceDestroyed(holder);
     61     }
     62 }
     63 
     64