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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