On 09/06/2010 09:11 PM, Thomas Lübking wrote: >> 2) What about performance while fullscreen? >> performance? Do WMs like KDE switch compositing while something is >> fullscreen or stays it the same? > As for KWin: "by default yes" (and there's no GUI to change that setting, and > oc. not if you made your window translucent...) What exactly you mean with this? What I'm looking for is if the compositing is disabled if a window goes fullscreen. I can witness heavy framerate drops (random) with compositing enabled. Speed can go down to 50%, sometimes 25% of full speed without compositing enabled. So I hoped while fullscreen this beast is disabled so you get full performance. The problem is that games in general (high-end ones especially) use a lot of GPU RAM. With compositing taking away a random amount of GPU RAM. With exclusive fullscreen one can fully grab all GPU RAM and work with it. > I don't know what you're after, but using some toolkit usually makes life > easier and more portable... (even opengl/glx has a function to change the > resolution) Xlib is a requirement. Toolkits are therefore a no-go. Concerning OpenGL I never heard of the ability to change screen resolution. Is this some extension or GLX only code?
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