Thanks for the report.

  Could you run your test with -Dsun.java2d.trace=count property
  set and post the output? Also, a complete test case would be very
  useful.

  There's a chance that a fix which went into b23 will significantly
  improve this case.

  Thanks,
    Dmitri


[EMAIL PROTECTED] wrote:
Hi,

I'm using build 1.6.0_10-beta-b22 and I'm having some performance problems with the d3d pipeline enabled. In an application I'm writing, I copy a JComponent to a BufferedImage in order to perform some animations and apply other graphical effects to. I noticed that my all my animations would take a long time to begin. After some digging, I found that the JDK with d3d disabled ([b]-Dsun.java2d.d3d=false[/b]) was [u]16x[/u] faster than with d3d enabled?! I'm using an NVidia 8600 card with 256MB of VRAM on Vista enterprise sp1 64bit.
Here's the code that's causing problems with d3d enabled:

[code]
public static BufferedImage getImageOfComponent(JComponent comp, boolean 
opaque) {
  BufferedImage newImg = createCompatibleImage(comp.getWidth(), 
comp.getHeight(), opaque);

  Graphics2D g2 = g2.createGraphics();
  comp.paint(g2);
  g2.dispose();

  return newImg;
}

public static BufferedImage createCompatibleImage(int width, int height, 
boolean opaque) {
  GraphicsEnvironment e = GraphicsEnvironment.getLocalGraphicsEnvironment();
  GraphicsDevice d = e.getDefaultScreenDevice();
  GraphicsConfiguration c = d.getDefaultConfiguration();
  BufferedImage compatibleImage = c.createCompatibleImage(width,
                                                          height,
                                                          opaque
                                                              ? 
Transparency.OPAQUE
                                                              : 
Transparency.TRANSLUCENT);
  return compatibleImage;
}
[/code]

This 15-16x slowdown (with d3d enabled) occurs whether I create a Transparent, Opaque, or Bitmask BufferedImage.
With d3d enabled, what takes about 56ms to render, and copy to a bufferedimage 
takes about 900ms!
[Message sent by forum member 'nazmulidris' (nazmulidris)]

http://forums.java.net/jive/thread.jspa?messageID=272468

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