From 047d771fb7e489d9be242730e6189e6c412907d5 Mon Sep 17 00:00:00 2001
From: Benjamin Maus <benjamin@feld.is>
Date: Sat, 5 Oct 2013 18:35:55 +0200
Subject: [PATCH] Added reinitSurface() method to PGL/PJOGL backend. Does not
 destroy the active canvas and keeps the current capabilities, but triggers a
 reset of the allocated FBOs.

---
 core/src/processing/opengl/PGL.java   | 3 +++
 core/src/processing/opengl/PJOGL.java | 9 +++++++++
 2 files changed, 12 insertions(+)

diff --git a/core/src/processing/opengl/PGL.java b/core/src/processing/opengl/PGL.java
index aad1a8aaf..3053e86cf 100644
--- a/core/src/processing/opengl/PGL.java
+++ b/core/src/processing/opengl/PGL.java
@@ -328,6 +328,9 @@ public abstract class PGL {
   protected abstract void initSurface(int antialias);
 
 
+  protected abstract void reinitSurface();
+
+
   protected abstract void registerListeners();
 
 
diff --git a/core/src/processing/opengl/PJOGL.java b/core/src/processing/opengl/PJOGL.java
index f70587ad6..6aac7975a 100644
--- a/core/src/processing/opengl/PJOGL.java
+++ b/core/src/processing/opengl/PJOGL.java
@@ -311,6 +311,15 @@ public class PJOGL extends PGL {
   }
 
 
+  @Override
+  protected void reinitSurface() {
+    sinkFBO = backFBO = frontFBO = null;
+    fboLayerCreated = false;
+    fboLayerInUse = false;
+    firstFrame = true;
+  }
+
+
   @Override
   protected void registerListeners() {
     if (WINDOW_TOOLKIT == AWT) {