Game Development Reference
In-Depth Information
/**
* An implementation of SurfaceView that uses the dedicated surface for
* displaying an OpenGL animation. This allows the animation to run in a
* separate thread, without requiring that it be driven by the update
* mechanism of the view hierarchy.
*
* The application-specific rendering code is delegated to a GLView.Renderer
* instance.
*/
public class GLSurfaceView extends SurfaceView
implements SurfaceHolder.Callback
{
public GLSurfaceView(Context context) {
super(context);
init();
}
public GLSurfaceView(Context context, AttributeSet attrs) {
super(context, attrs);
init();
}
private void init() {
// Install a SurfaceHolder.Callback so we get notified when the
// underlying surface is created and destroyed
mHolder = getHolder();
mHolder.addCallback(this);
mHolder.setType(SurfaceHolder.SURFACE_TYPE_GPU);
}
public SurfaceHolder getSurfaceHolder() {
return mHolder;
}
public void setRenderer(Renderer renderer) {
mGLThread = new GLThread(renderer, mHolder);
mGLThread.start();
}
public void surfaceCreated(SurfaceHolder holder) {
mGLThread.surfaceCreated();
}
public void surfaceDestroyed(SurfaceHolder holder) {
// Surface will be destroyed when we return
mGLThread.surfaceDestroyed();
}
