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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 <slouken@libsdl.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. --HG-- branch : SDL-1.2
Simple DirectMedia Layer
(SDL)
Version 1.2
---
http://www.libsdl.org/
This is the Simple DirectMedia Layer, a general API that provides low
level access to audio, keyboard, mouse, joystick, 3D hardware via OpenGL,
and 2D framebuffer across multiple platforms.
The current version supports Linux, Windows CE/95/98/ME/XP/Vista, BeOS,
MacOS Classic, Mac OS X, FreeBSD, NetBSD, OpenBSD, BSD/OS, Solaris, IRIX,
and QNX. The code contains support for Dreamcast, Atari, AIX, OSF/Tru64,
RISC OS, SymbianOS, Nintendo DS, and OS/2, but these are not officially
supported.
SDL is written in C, but works with C++ natively, and has bindings to
several other languages, including Ada, C#, Eiffel, Erlang, Euphoria,
Guile, Haskell, Java, Lisp, Lua, ML, Objective C, Pascal, Perl, PHP,
Pike, Pliant, Python, Ruby, and Smalltalk.
This library is distributed under GNU LGPL version 2, which can be
found in the file "COPYING". This license allows you to use SDL
freely in commercial programs as long as you link with the dynamic
library.
The best way to learn how to use SDL is to check out the header files in
the "include" subdirectory and the programs in the "test" subdirectory.
The header files and test programs are well commented and always up to date.
More documentation is available in HTML format in "docs/index.html", and
a documentation wiki is available online at:
http://www.libsdl.org/cgi/docwiki.cgi
The test programs in the "test" subdirectory are in the public domain.
Frequently asked questions are answered online:
http://www.libsdl.org/faq.php
If you need help with the library, or just want to discuss SDL related
issues, you can join the developers mailing list:
http://www.libsdl.org/mailing-list.php
Enjoy!
Sam Lantinga (slouken@libsdl.org)