From d9c4962cede15b5bc4172cf71f204f4cee0abd3d Mon Sep 17 00:00:00 2001
From: codeanticode <andres.colubri@gmail.com>
Date: Thu, 13 Aug 2015 11:18:03 -0400
Subject: [PATCH] enable layer FBO layer when no background is called, so there
 should be no need for surface hack.

---
 core/src/processing/opengl/PGL.java             |  8 ++++++--
 core/src/processing/opengl/PGraphicsOpenGL.java | 14 +++-----------
 2 files changed, 9 insertions(+), 13 deletions(-)

diff --git a/core/src/processing/opengl/PGL.java b/core/src/processing/opengl/PGL.java
index 1d8b3d30f..0a46de823 100644
--- a/core/src/processing/opengl/PGL.java
+++ b/core/src/processing/opengl/PGL.java
@@ -80,7 +80,7 @@ public abstract class PGL {
    * See the code and comments involving this constant in
    * PGraphicsOpenGL.endDraw().
    */
-  protected static boolean SAVE_SURFACE_TO_PIXELS_HACK = true;
+  protected static boolean SAVE_SURFACE_TO_PIXELS_HACK = false;
 
   /** Enables/disables mipmap use. */
   protected static boolean MIPMAPS_ENABLED = true;
@@ -625,7 +625,7 @@ public abstract class PGL {
 
 
   IntBuffer labelTex;
-  protected void endDraw(boolean clear0, int windowColor) {
+  protected void endDraw(boolean clear, int windowColor) {
     if (fboLayerInUse) {
       syncBackTexture();
 
@@ -705,6 +705,8 @@ public abstract class PGL {
       int temp = frontTex;
       frontTex = backTex;
       backTex = temp;
+    } else if (!clear && pg.parent.frameCount == 1) {
+      requestFBOLayer();
     }
   }
 
@@ -754,6 +756,8 @@ public abstract class PGL {
     String ext = getString(EXTENSIONS);
     float scale = pg.getPixelScale();
 
+    System.err.println("creating fbo layer");
+
     if (-1 < ext.indexOf("texture_non_power_of_two")) {
       fboWidth = (int)(scale * pg.width);
       fboHeight = (int)(scale * pg.height);
diff --git a/core/src/processing/opengl/PGraphicsOpenGL.java b/core/src/processing/opengl/PGraphicsOpenGL.java
index b0c61414d..d6da0c2b2 100644
--- a/core/src/processing/opengl/PGraphicsOpenGL.java
+++ b/core/src/processing/opengl/PGraphicsOpenGL.java
@@ -1999,26 +1999,18 @@ public class PGraphicsOpenGL extends PGraphics {
 
   @Override
   public void beginDraw() {
-    if (primaryGraphics) {
-//      if (initialized) {
-//        if (sized) pgl.reinitSurface();
-//        if (parent.canDraw()) pgl.requestDraw();
-//      } else {
-//        initPrimary();
-//      }
+    report("top beginDraw()");
 
+    if (primaryGraphics) {
       if (!initialized) {
         initPrimary();
       }
-
       setCurrentPG(this);
     } else {
       pgl.getGL(getPrimaryPGL());
       getPrimaryPG().setCurrentPG(this);
     }
 
-    report("top beginDraw()");
-
     if (!checkGLThread()) {
       return;
     }
@@ -6879,7 +6871,7 @@ public class PGraphicsOpenGL extends PGraphics {
 
 
   protected void endOnscreenDraw() {
-    pgl.endDraw(clearColorBuffer0, parent.sketchWindowColor());
+    pgl.endDraw(clearColorBuffer, parent.sketchWindowColor());
   }