Hi Brian,
it's pretty impossible to tell what's going on from your description. What release of Java are you using? What platform are you running on? if you're on Windows, what graphics card are you using?
All of these items (and more) contribute toward our ability to accelerate images in general and Swing's back buffer in particular.
Thanks, Chet.
Brian Peterson wrote:
I have an application that is spending 25% of its time in sun.java2d.pipe.DrawImage.blitSurfaceData 19% of which comes from paintImmediately calls from the RepaintManager (call trace at end of message).
Are the offscreen buffer images for my windows or subcomponent JPanels not getting accelerated? Or is this normal behavior?
Brian
javax.swing.RepaintManager.paintDirtyRegions() javax.swing.JComponent.paintImmediately() javax.swing.JComponent._paintImmediately() javax.swing.JComponent.paintDoubleBuffered() javax.swing.JComponent.paintWithOffscreenBuffer() sun.java2d.SunGraphics2D.drawImage() sun.java2d.SunGraphics2D.drawImage() sun.java2d.SunGraphics2D.copyImage() sun.java2d.pipe.ValidatePipe.copyImage() sun.java2d.pipe.DrawImage.copyImage() sun.java2d.pipe.DrawImage.copyImage() sun.java2d.pipe.DrawImage.RenderSurfaceData() sun.java2d.pipe.DrawImage.blitSurfaceData()
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