trying different blitting order

Author: codeanticode

core/src/processing/opengl/PGL.java

@@ -761,7 +761,7 @@ protected void endDraw(boolean clear, int windowColor) {
  int temp = frontTex;
  frontTex = backTex;
  backTex = temp;
- } else if (!clear && pg.parent.frameCount == 1) {
+ } else if (!clear && 0 < pg.parent.frameCount || !pg.parent.isLooping()) {
  requestFBOLayer();
  }
  }
@@ -884,18 +884,32 @@ private void createFBOLayer() {
  if (0 < pg.parent.frameCount) {
  // Copy the contents of the front and back screen buffers to the textures
  // of the FBO, so they are properly initialized.
- bindFramebufferImpl(READ_FRAMEBUFFER, BACK);
+ if (pg.parent.isLooping()) {
+ bindFramebufferImpl(READ_FRAMEBUFFER, FRONT);
+ readBuffer(FRONT);
+ } else {
+ bindFramebufferImpl(READ_FRAMEBUFFER, BACK);
+ readBuffer(BACK);
+ }
  bindFramebufferImpl(DRAW_FRAMEBUFFER, glColorFbo.get(0));
  framebufferTexture2D(FRAMEBUFFER, COLOR_ATTACHMENT0,
  TEXTURE_2D, glColorTex.get(backTex), 0);
+ drawBuffer(COLOR_ATTACHMENT0);
  blitFramebuffer(0, 0, fboWidth, fboHeight,
  0, 0, fboWidth, fboHeight,
  COLOR_BUFFER_BIT, NEAREST);
 
- bindFramebufferImpl(READ_FRAMEBUFFER, FRONT);
+ if (pg.parent.isLooping()) {
+ bindFramebufferImpl(READ_FRAMEBUFFER, BACK);
+ readBuffer(BACK);
+ } else {
+ bindFramebufferImpl(READ_FRAMEBUFFER, FRONT);
+ readBuffer(FRONT);
+ }
  bindFramebufferImpl(DRAW_FRAMEBUFFER, glColorFbo.get(0));
  framebufferTexture2D(FRAMEBUFFER, COLOR_ATTACHMENT0,
  TEXTURE_2D, glColorTex.get(frontTex), 0);
+ drawBuffer(COLOR_ATTACHMENT0);
  blitFramebuffer(0, 0, fboWidth, fboHeight,
  0, 0, fboWidth, fboHeight,
  COLOR_BUFFER_BIT, NEAREST);

core/src/processing/opengl/PSurfaceJOGL.java

@@ -692,8 +692,12 @@ public void requestFocus() {
  class DrawListener implements GLEventListener {
  public void display(GLAutoDrawable drawable) {
  pgl.getGL(drawable);
-// System.out.println(" - " + sketch.frameCount);
+ int pframeCount = sketch.frameCount;
  sketch.handleDraw();
+ if (pframeCount == sketch.frameCount) {
+ pgl.beginDraw(false);
+ pgl.endDraw(false, sketch.sketchWindowColor());
+ }
 
  if (sketch.frameCount == 1) {
  requestFocus();