commit 02ab6f9d3719f7180d1d7b69d553aaae117c64ac
Author: leszek <leszek@koltunski.pl>
Date:   Mon Apr 3 22:51:18 2017 +0100

    Minor.

diff --git a/src/main/java/org/distorted/library/DistortedOutputSurface.java b/src/main/java/org/distorted/library/DistortedOutputSurface.java
index 5183bd8..f28ce4b 100644
--- a/src/main/java/org/distorted/library/DistortedOutputSurface.java
+++ b/src/main/java/org/distorted/library/DistortedOutputSurface.java
@@ -240,6 +240,11 @@ abstract class DistortedOutputSurface extends DistortedSurface implements Distor
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 /**
  * Bind this Surface as a Framebuffer we can render to.
+ *
+ * @param time Present time, in milliseconds. The point: looking at this param the library can figure
+ *             out if this is the first time during present frame that this FBO is being set as output.
+ *             If so, the library, in addition to binding the Surface for output, also clears the
+ *             Surface's color and depth attachments.
  */
   public void setAsOutput(long time)
     {
diff --git a/src/main/java/org/distorted/library/DistortedScreen.java b/src/main/java/org/distorted/library/DistortedScreen.java
index 0bccd99..7396c40 100644
--- a/src/main/java/org/distorted/library/DistortedScreen.java
+++ b/src/main/java/org/distorted/library/DistortedScreen.java
@@ -27,7 +27,7 @@ package org.distorted.library;
  */
 public class DistortedScreen extends DistortedOutputSurface
   {
-  DistortedFramebuffer mBuffer = null;
+  private DistortedFramebuffer mBuffer = null;
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 // here we don't manage underlying OpenGL assets ourselves