GL线程

news/2024/11/24 6:36:26/




 1 public class MiniLauncher extends AndroidApplication implements MenuActionListener {
 2 
 3     public View glView =null;
 4     public DesktopListener mListener;
 5     @Override
 6     public void onCreate(Bundle savedInstanceState) {
 7     
 8        //得到的是一个surfaceView
 9         glView = initializeDesktop(mListener, true);
10         setContentView(glView);
11     
12     }
13     
14     public View initializeDesktop(DesktopListener listener,
15             boolean useGL2IfAvailable) {
16     
17         return initializeForView(listener, config);
18     
19     
20     
21      }
22 }

以下是gdx自己创建新线程的流程：

 1 AndroidApplication:
 2 
 3 protected AndroidGraphics graphics;
 4 protected ApplicationListener listener;
 5 public View initializeForView (ApplicationListener listener, AndroidApplicationConfiguration config) {
 6     //graphics will create another thread for ui drawing
 7     graphics = new AndroidGraphics(this, config, config.resolutionStrategy == null ? new FillResolutionStrategy()
 8             : config.resolutionStrategy);
 9     this.listener = listener;
10 }
11 
12 AndroidGraphics:
13 final View view;
14     public AndroidGraphics (AndroidApplication activity, AndroidApplicationConfiguration config,
15         ResolutionStrategy resolutionStrategy) {
16         //thread created here
17         view = createGLSurfaceView(activity, config.useGL20, resolutionStrategy);    
18         this.app = activity;
19     }
20     
21     private View createGLSurfaceView (Activity activity, boolean useGL2, final ResolutionStrategy resolutionStrategy) {
22         GLSurfaceView20 view = new GLSurfaceView20(activity, true,16,0,resolutionStrategy);
23         view.setRenderer(this);
24         return view;
25     }
26     
27     @Override
28     public void onDrawFrame (javax.microedition.khronos.opengles.GL10 gl) {
29     
30         //这里的 listener 就是 d3dListener
31        if (lresume) {
32            app.listener.resume();
33        }
34        if (lrunning) {
35               app.listener.render();
36        }
37        if (lpause) {
38             app.listener.pause();
39         }
40         if (ldestroy) {
41             app.listener.dispose();
42         }
43     
44     }
45 GLSurfaceView:
46 
47  public void setRenderer(Renderer renderer) {
48       mGLThread = new GLThread(renderer);
49       mGLThread.start();
50  }
51  
52   class GLThread extends Thread {
53     mRenderer = renderer;
54       public void run() {
55        guardedRun();
56     }
57       
58     private void guardedRun() throws InterruptedException {
59          while (true) {
60          
61             //mRenderer 就是 graphics
62             mRenderer.onDrawFrame(gl);
63          
64          }
65        
66        }
67   }