GoToLoop
diff --git a/‎java/libraries/lwjgl/src/processing/lwjgl/PGL.java‎
Lines changed: 31 additions & 7 deletions b/‎java/libraries/lwjgl/src/processing/lwjgl/PGL.java‎
Lines changed: 31 additions & 7 deletions
@@ -504,8 +504,7 @@ protected void initSurface(int antialias) {
     canvas = new Canvas();
     canvas.setFocusable(true);
     canvas.requestFocus();
-    canvas.setBackground(Color.BLACK);
-    canvas.setForeground(Color.BLACK);   
+    canvas.setBackground(new Color(pg.backgroundColor, true));   
     canvas.setBounds(0, 0, pg.parent.width, pg.parent.height);
 
     pg.parent.setLayout(new BorderLayout());
@@ -516,9 +515,14 @@ protected void initSurface(int antialias) {
                                                request_depth_bits,
                                                request_stencil_bits, 1);
       Display.setDisplayMode(new DisplayMode(pg.parent.width, pg.parent.height));
+      int argb = pg.backgroundColor;
+      float r = ((argb >> 16) & 0xff) / 255.0f;
+      float g = ((argb >> 8) & 0xff) / 255.0f;
+      float b = ((argb) & 0xff) / 255.0f; 
+      Display.setInitialBackground(r, g, b); 
       Display.setParent(canvas);      
       Display.create(format);
-      Display.setVSyncEnabled(true);
+      Display.setVSyncEnabled(true);      
     } catch (LWJGLException e) {
       e.printStackTrace();
     }
@@ -587,7 +591,7 @@ protected void update() {
         texParameteri(TEXTURE_2D, TEXTURE_WRAP_T, CLAMP_TO_EDGE);
         texImage2D(TEXTURE_2D, 0, RGBA, fboWidth, fboHeight, 0,
                    RGBA, UNSIGNED_BYTE, null);
-        initTexture(TEXTURE_2D, RGBA, fboWidth, fboHeight);
+        initTexture(TEXTURE_2D, RGBA, fboWidth, fboHeight, pg.backgroundColor);
       }
       bindTexture(TEXTURE_2D, 0);
 
@@ -682,8 +686,13 @@ protected void update() {
 
       // Clear all buffers.
       clearDepth(1);
-      clearStencil(0);
-      clearColor(0, 0, 0, 0);
+      clearStencil(0);      
+      int argb = pg.backgroundColor;
+      float a = ((argb >> 24) & 0xff) / 255.0f;
+      float r = ((argb >> 16) & 0xff) / 255.0f;
+      float g = ((argb >> 8) & 0xff) / 255.0f;
+      float b = ((argb) & 0xff) / 255.0f;
+      clearColor(r, g, b, a);
       clear(DEPTH_BUFFER_BIT | STENCIL_BUFFER_BIT | COLOR_BUFFER_BIT);
 
       bindFramebuffer(FRAMEBUFFER, 0);
@@ -873,7 +882,12 @@ protected void beginDraw(boolean clear0) {
 
       if (firstFrame) {
         // No need to draw back color buffer because we are in the first frame.
-        clearColor(0, 0, 0, 0);
+        int argb = pg.backgroundColor;
+        float a = ((argb >> 24) & 0xff) / 255.0f;
+        float r = ((argb >> 16) & 0xff) / 255.0f;
+        float g = ((argb >> 8) & 0xff) / 255.0f;
+        float b = ((argb) & 0xff) / 255.0f;
+        clearColor(r, g, b, a);
         clear(COLOR_BUFFER_BIT);
       } else if (!clear0) {
         // Render previous back texture (now is the front) as background,
@@ -1791,7 +1805,17 @@ protected boolean textureIsBound(int target, int id) {
 
 
   protected void initTexture(int target, int format, int width, int height) {
+    initTexture(target, format, width, height, 0);
+  }
+
+
+  protected void initTexture(int target, int format, int width, int height,
+                             int initColor) {
+    int[] glcolor = new int[16 * 16];
+    Arrays.fill(glcolor, javaToNativeARGB(initColor));
     IntBuffer texels = PGL.allocateDirectIntBuffer(16 * 16);
+    texels.put(glcolor);
+    texels.rewind();
     for (int y = 0; y < height; y += 16) {
       int h = PApplet.min(16, height - y);
       for (int x = 0; x < width; x += 16) {