Android Open Source - jmini3d Gl Surface View3d

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License

The source code is released under:

Copyright 2012 Mobialia http://www.mobialia.com/ Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to ...

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Java Source Code

package jmini3d.android;
/*from   w  ww .j  a  v  a 2 s  .c om*/
import android.content.Context;
import android.graphics.PixelFormat;
import android.opengl.GLSurfaceView;
import android.os.Build;

import javax.microedition.khronos.egl.EGLConfig;
import javax.microedition.khronos.opengles.GL10;

import jmini3d.Scene;
import jmini3d.SceneController;
import jmini3d.android.compat.CompatibilityWrapper5;

public class GlSurfaceView3d extends GLSurfaceView implements GLSurfaceView.Renderer {
  public static final String TAG = "GlSurfaceView3d";

  int width, height;

  Renderer3d renderer3d;
  SceneController sceneController;
  int forceRedraw = 0;

  GL10 gl;

  public GlSurfaceView3d(Context ctx, boolean traslucent) {
    super(ctx);

    setEGLContextClientVersion(2);
    if (traslucent) {
      if (Build.VERSION.SDK_INT >= 5) {
        CompatibilityWrapper5.setZOrderOnTop(this);
      }
      setEGLConfigChooser(8, 8, 8, 8, 16, 0);
      getHolder().setFormat(PixelFormat.TRANSLUCENT);
    } else {
      setEGLConfigChooser(8, 8, 8, 8, 16, 0);
      getHolder().setFormat(PixelFormat.RGBA_8888);
    }

    renderer3d = new Renderer3d(new ResourceLoader(ctx));

    setRenderer(this);
    setRenderMode(RENDERMODE_CONTINUOUSLY);
  }

  @Override
  public void onSurfaceCreated(GL10 gl, EGLConfig eglConfig) {
    this.gl = gl;
  }

  @Override
  public void onSurfaceChanged(GL10 unused, int w, int h) {
    width = w;
    height = h;
    renderer3d.reset();
  }

  @Override
  public void onDrawFrame(GL10 unused) {
    if (sceneController != null) {
      if (sceneController.updateScene(width, height)) {
        // due to buffer swapping we need to redraw three frames
        forceRedraw = 3;
      }

      if (forceRedraw > 0) {
        Scene scene = sceneController.getScene();
        if (scene != null) {
          forceRedraw--;
          renderer3d.render(scene);
        }
      }
    }
  }

  public void requestRender() {
    forceRedraw = 3;
  }

  public void setSceneController(SceneController sceneController) {
    this.sceneController = sceneController;
  }

  public Renderer3d getRenderer3d() {
    return renderer3d;
  }

  public GL10 getGl() {
    return gl;
  }
}

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