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      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 package android.tests.getinfo;
     18 
     19 import android.content.Context;
     20 import android.opengl.GLES20;
     21 import android.opengl.GLSurfaceView;
     22 import android.util.Log;
     23 
     24 import java.util.Scanner;
     25 import java.util.concurrent.CountDownLatch;
     26 
     27 import javax.microedition.khronos.egl.EGLConfig;
     28 import javax.microedition.khronos.opengles.GL10;
     29 
     30 class GLESSurfaceView extends GLSurfaceView {
     31     private static final String TAG = "GLESSurfaceView";
     32 
     33     private boolean mUseGL20;
     34     CountDownLatch mDone;
     35 
     36     /**
     37      *
     38      * @param context
     39      * @param useGL20 whether to use GLES2.0 API or not inside the view
     40      * @param done to notify the completion of the task
     41      */
     42     public GLESSurfaceView(Context context, boolean useGL20, CountDownLatch done){
     43         super(context);
     44 
     45         mUseGL20 = useGL20;
     46         mDone = done;
     47         if (mUseGL20) {
     48             setEGLContextClientVersion(2);
     49         }
     50         setRenderer(new OpenGLESRenderer());
     51     }
     52 
     53     public class OpenGLESRenderer implements GLSurfaceView.Renderer {
     54 
     55         @Override
     56         public void onSurfaceCreated(GL10 gl, EGLConfig config) {
     57             String extensions;
     58             if (mUseGL20) {
     59                 extensions = GLES20.glGetString(GLES20.GL_EXTENSIONS);
     60             } else {
     61                 extensions = gl.glGetString(GL10.GL_EXTENSIONS);
     62             }
     63             Log.i(TAG, "extensions : " + extensions);
     64             Scanner scanner = new Scanner(extensions);
     65             scanner.useDelimiter(" ");
     66             StringBuilder builder = new StringBuilder();
     67             while (scanner.hasNext()) {
     68                 String ext = scanner.next();
     69                 if (ext.contains("texture")) {
     70                     if (ext.contains("compression") || ext.contains("compressed")) {
     71                         Log.i(TAG, "Compression supported: " + ext);
     72                         builder.append(ext);
     73                         builder.append(";");
     74                     }
     75                 }
     76             }
     77 
     78             DeviceInfoInstrument.addResult(
     79                     DeviceInfoConstants.OPEN_GL_COMPRESSED_TEXTURE_FORMATS,
     80                     builder.toString());
     81 
     82             mDone.countDown();
     83         }
     84 
     85         @Override
     86         public void onSurfaceChanged(GL10 gl, int width, int height) {
     87 
     88         }
     89 
     90         @Override
     91         public void onDrawFrame(GL10 gl) {
     92 
     93         }
     94 
     95     }
     96 }