commit 843646bd9ee3efd83cc7594b9811fdd913433b5b
Author: Leszek Koltunski <leszek@distoretedandroid.org>
Date:   Wed Jan 4 17:57:06 2017 +0000

    First attempt at making it possible to dynamically add and remove DEPTH attachments from an FBO.

diff --git a/src/main/java/org/distorted/examples/fbo/FBORenderer.java b/src/main/java/org/distorted/examples/fbo/FBORenderer.java
index 632979d..9031fdd 100644
--- a/src/main/java/org/distorted/examples/fbo/FBORenderer.java
+++ b/src/main/java/org/distorted/examples/fbo/FBORenderer.java
@@ -140,6 +140,9 @@ class FBORenderer implements GLSurfaceView.Renderer
       mRoot = new DistortedTree(lisa, mEffects,new MeshFlat(1,1));
       mRoot.attach(grid,gridEffects,new MeshCubes(10,10,false));
 
+      DistortedFramebuffer tmp = mRoot.getFramebuffer();
+      tmp.setDepthAttachment(true);
+
       float factor = lisaWidth/(2.0f*gridWidth);
 
       gridEffects.move( new Static3D( (lisaWidth-factor*gridWidth)/2,(lisaHeight-factor*gridHeight)/2,0) );