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Fixed bug 1058 - SDL: erroneously uses xrandr-style mode switching
Jan Engelhardt 2010-09-23 17:02:37 PDT Problem: SDL-1.2.14. When SDL switches to fullscreen 640x480 - for example, because the game is configured to run in such resolution - or back, it changes the desktop size too by means of xrandr or something along the lines of that. Actual results: Windows on my desktop are reordered, which is usually a result of the WM being forced to do so because the desktop size (virtualsize) changed. Resolution switching also takes significantly longer than it did before ? this is another sign that it switches desktop size (too), not just resolution. First the screen goes black-with-backlight and after roughly 500ms, the TFT screen finally gets the new 640x480 mode signal (I use VGA), which is evidenced by the backlight going briefly off. Expected results: Previous behavior. In other worsd, leave desktop size as-is (and subsequently keep my windows where they are) and _only_ change the resolution. The old switching style is also way faster in that there is no black-with-backlight delay. Additional information: Overriding the system SDL 1.2.14 libraries and using LD_LIBRARY_PATH to point to SDL-1.2.13 libraries brings back the desired behavior. hg bisecting... The first bad revision is: changeset: 4313:8ec3036098df branch: SDL-1.2 user: Sam Lantinga <firstname.lastname@example.org> date: Sat Oct 10 10:14:01 2009 +0000 summary: Adapted from Debian patch: 320_activate_xrandr_on_default.diff I am aware of the existence of the SDL_VIDEO_X11_XRANDR environment variable, but that only looks like a temporary workaround to me.
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