Android Open Source - OpenGL-es3-android Main Activity

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License

The source code is released under:

GNU General Public License

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Java Source Code

package com.opengles3.demo;
/*from w  ww.j ava 2s  . c  o  m*/
import com.example.opengl_es_3_demo.R;

import android.opengl.GLSurfaceView;
import android.os.Bundle;
import android.app.Activity;
import android.app.ActivityManager;
import android.content.Context;
import android.content.pm.ConfigurationInfo;
import android.util.Log;
import android.view.Menu;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnTouchListener;
import android.widget.Toast;

public class MainActivity extends Activity {
  private final static String TAG="MainActivity";
  private Boolean supportEs2=false;
  private GLTextureView glTextureView;
  private boolean rendererSet = false;
  
  private GLRenderer renderer;
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    ActivityManager manager = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);
    ConfigurationInfo info = manager.getDeviceConfigurationInfo();
    supportEs2 = info.reqGlEsVersion >= 0x30000;
    if(supportEs2){
      renderer = new GLRenderer(this);
      Log.d(TAG, "supports OpenGL ES 3.0");
      glTextureView = new GLTextureView(this);
      glTextureView.setEGLContextClientVersion(3);
      
      glTextureView.setRenderer(renderer);
      rendererSet = true;

      glTextureView.setOnTouchListener(new OnTouchListener() {
        @Override
        public boolean onTouch(View v, MotionEvent event) {
          final float normalizedX = (event.getX()/(float)v.getWidth())*2-1;
          final float normalizedY = -((event.getY()/(float)v.getHeight())*2-1);
          if(event.getAction() == MotionEvent.ACTION_DOWN){
            glTextureView.queueEvent(new Runnable() {
              @Override
              public void run() {
                renderer.handleTouchPress(normalizedX, normalizedY);
              }
            });
            return true;
          }else if(event.getAction() == MotionEvent.ACTION_MOVE){
            glTextureView.queueEvent(new Runnable() {
              @Override
              public void run() {
                renderer.handleTouchDrag(normalizedX, normalizedY);
              }
            });
            return true;
          }else{
            return false;
          }
        }
      });
      setContentView(glTextureView);
    }else{
      Toast.makeText(this, "This device does not support OpenGL ES 3.0", Toast.LENGTH_LONG).show();
      
    }
  }
  @Override
  protected void onPause() {
    if(rendererSet){
      glTextureView.onPause();
    }
    // TODO Auto-generated method stub
    super.onPause();
  }
  @Override
  protected void onResume() {
    if(rendererSet){
      glTextureView.onResume();
    }
    // TODO Auto-generated method stub
    super.onResume();
  }
  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.main, menu);
    return true;
  }

}

Java Source Code List