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we are developing an SWT/RCP(Eclipse 3.5) application on both Windows and Linux (on identical hardware). The application is a GIS app which shows several layered maps(PNG images) rendered with alpha blending.

org.eclipse.draw2d.Graphics.setAlpha(...);
org.eclipse.draw2d.Graphics.drawImage(...);

On Windows the performance is pretty good, but on Linux it is very poor.

is that a Linux(GTK/KDE) problem? or is there any workaround to improve the performance on Linux?

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    There might be a lot of reasons. What is the graphics card? Does Linux use hardware acceleration? What is the window manager? Is it a Compositing window manager? Have you checked if SWT uses hardware acceleration behind the scenes? – kazanaki Aug 20 '10 at 13:01

0 Answers0