First off, let's please try to keep discussion pertaining to beta releases and development questions in the xquartz-dev list so we don't spam up x11-users (hence the list change in the CC). There should really be no difference in GLX performance between fullscreen and rootless... there may be some slight performance issues due to window compositing which doesn't happen if you're in fullscreen (because the root window blocks the other windows)... I think this is when the mouse cursor is near the dropshadow of the window ... or maybe when the drop-shadow of another window is near the window... something like that... I don't exactly recall (sorry). As for the "visible in rootless mode" then cmd-alt-a into fullscreen, I'm confused... are you running in rootless or fullscreen mode? If you have fullscreen enabled, then you shouldn't see any window in rootless mode. It should pop up in X11-fullscreen, but what it should do and what it does do are sometimes not quite right with new features... ;) What is the state of your "Focus on new windows" option? On Nov 10, 2008, at 13:21, Dave Ray wrote:
When I run glxgears under the latest X11 release, using rooted window in fullscreen mode, I get a frame rate around 3200/sec, a rate comparable with the rate I get with the same hardware running Linux and native video drivers. Thats great news in terms of GLX implementation.
However if I type ctrl-A to get out of the root window, and run glxgears from the non-X11 Apple Terminal window, the glxgears window pops up, visible in rootless mode. If I switch to X11.app and type ctrl-A to get back to my root window, the running glxgears window is no where to be seen. I have to ctrl-A again to the rootless window to see it. I am wondering if it is that way by design, or a quirk of my window manager or X11.
I also see a major difference in glxgears' frame rate between the glxgears run from the root window, versus the one run from Apple's Terminal and visible in the rootless window. This is expected of course. I'm wondering if the drop in frame rate could be related to the performance of the window manger as it handles its interface with Xquartz, and also if it could be used as potential measure of how well different wm's work in the Apple environment. Also wondering if the glxgears frame rate comparisons are useful to developers.
Dave
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