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Sam Lantinga bfb41f24e0 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 <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
2011-12-30 14:37:50 -05:00
acinclude Ozkan Sezer to slouken 2011-01-26 12:26:27 -08:00
build-scripts Fixed bug 938 - SDL fails to link in mingw+msys+libtool 2011-12-30 14:14:45 -05:00
docs Fixed bug #838 2009-10-10 10:15:35 +00:00
include Updated the SDL version number to 1.2.15 2011-12-29 05:04:18 -05:00
src Fixed bug 1058 - SDL: erroneously uses xrandr-style mode switching 2011-12-30 14:37:50 -05:00
test Allow testalpha.c to toggle windowed/fullscreen mode. 2011-09-16 00:11:23 -04:00
VisualC Updated the SDL version number to 1.2.15 2011-12-29 05:04:18 -05:00
VisualCE Unpacked VisualCE.zip. 2011-09-11 14:43:21 -04:00
Xcode I _think_ this fixes the Xcode projects. 2011-09-18 02:38:12 -04:00
.hgignore Unpacked Xcode.tar.gz. 2011-09-11 14:44:37 -04:00
autogen.sh Split acinclude.m4 into its constituent parts for easy upgrading 2009-10-04 20:31:21 +00:00
Borland.html *** empty log message *** 2003-07-01 01:18:27 +00:00
Borland.zip *** empty log message *** 2003-07-01 01:18:27 +00:00
BUGS Removed the contents of the BUGS file, as most (all?) of the issues were 2007-02-14 10:40:24 +00:00
configure.in Fixed bug 938 - SDL fails to link in mingw+msys+libtool 2011-12-30 14:14:45 -05:00
COPYING This library is now available under the LGPL 2.1, the major change of which 2006-01-30 14:27:56 +00:00
CREDITS Added credits for the PS3 code 2009-04-02 04:09:40 +00:00
CWprojects.sea.bin Updated MacOS Classic version, added version resource to MPW build. 2007-12-31 03:04:31 +00:00
docs.html Added release notes for SDL 1.2.15 2011-12-29 12:21:49 -05:00
INSTALL Date: Tue, 2 Mar 2004 11:34:54 +0100 2004-03-02 13:01:02 +00:00
Makefile.dc Date: Thu, 15 Jun 2006 14:19:47 +0200 (CEST) 2006-06-20 06:39:01 +00:00
Makefile.ds Added initial support for Nintendo DS, based on the work by Troy Davis (GPF) 2007-06-25 00:50:20 +00:00
Makefile.in Fixed bug 938 - SDL fails to link in mingw+msys+libtool 2011-12-30 14:14:45 -05:00
Makefile.minimal Fixed bug #171 2006-03-23 21:28:33 +00:00
MPWmake.sea.bin Updated MacOS Classic version, added version resource to MPW build. 2007-12-31 03:04:31 +00:00
README Added initial support for Nintendo DS, based on the work by Troy Davis (GPF) 2007-06-25 00:50:20 +00:00
README-SDL.txt Initial revision 2001-04-26 16:45:43 +00:00
README.AmigaOS Removed broken AmigaOS support. 2006-10-29 03:58:27 +00:00
README.BeOS Added a reminder on where to put libSDL.so 2006-02-18 07:21:42 +00:00
README.DC *** empty log message *** 2006-03-02 13:26:24 +00:00
README.HG Replaced README.SVN with Mercurial information, for 1.2 branch. 2010-02-28 23:45:02 -08:00
README.MacOS Date: Sat, 8 Sep 2001 04:42:23 +0200 2001-09-11 19:00:18 +00:00
README.MacOSX Unpacked Xcode.tar.gz. 2011-09-11 14:44:37 -04:00
README.MiNT Add a note for experimental Milan support. 2009-10-13 18:14:13 +00:00
README.NanoX Date: Sat, 24 Aug 2002 22:20:01 -0600 2002-08-25 06:21:49 +00:00
README.NDS Added initial support for Nintendo DS, based on the work by Troy Davis (GPF) 2007-06-25 00:50:20 +00:00
README.OS2 Fixed thread callback calling conventions, updated OS/2 DLL name to SDL12.dll 2006-05-17 18:57:04 +00:00
README.PicoGUI Added initial support for PicoGUI (thanks Micah!) 2002-08-01 23:24:13 +00:00
README.Porting Added documentation on how to build a completely useless SDL library. :) 2006-03-08 08:30:17 +00:00
README.PS3 Hello. 2009-04-02 04:06:55 +00:00
README.QNX Date: Sat, 24 Apr 2004 15:13:32 +0300 2004-05-06 15:55:06 +00:00
README.Qtopia Added a README for Qtopia 2002-06-01 18:43:51 +00:00
README.RISCOS Update from Alan Buckley 2006-02-06 08:47:44 +00:00
README.Symbian Minor updates to the Symbian/S60 port, plus project files that weren't 2007-07-05 04:51:09 +00:00
README.Watcom ------- Comment #5 From Marc Peter 2006-06-25 18:03 [reply] ------- 2006-06-26 01:33:53 +00:00
README.WinCE Unpacked VisualCE.zip. 2011-09-11 14:43:21 -04:00
README.wscons To: sdl@libsdl.org 2005-11-22 15:19:50 +00:00
sdl-config.in Date: Sat, 31 Mar 2007 16:39:52 +0200 2007-04-01 03:27:45 +00:00
sdl.m4 Fixed bug 978 2010-04-23 02:19:19 -07:00
sdl.pc.in Fixed bug #531 2008-01-01 15:23:59 +00:00
SDL.qpg.in Fixed bug 938 - SDL fails to link in mingw+msys+libtool 2011-12-30 14:14:45 -05:00
SDL.spec.in Date: Sat, 31 Mar 2007 16:39:52 +0200 2007-04-01 03:27:45 +00:00
symbian.zip Minor updates to the Symbian/S60 port, plus project files that weren't 2007-07-05 04:51:09 +00:00
TODO Fixes bug #195: 2006-04-13 13:08:26 +00:00
VisualC.html Unpacked VisualC.zip. 2011-09-11 13:29:23 -04:00
Watcom-OS2.zip Fixed thread callback calling conventions, updated OS/2 DLL name to SDL12.dll 2006-05-17 18:57:04 +00:00
Watcom-Win32.zip ------- Comment #5 From Marc Peter 2006-06-25 18:03 [reply] ------- 2006-06-26 01:33:53 +00:00
WhatsNew Added SDL_VIDEO_FULLSCREEN_DISPLAY as a preferred synonym for SDL_VIDEO_FULLSCREEN_HEAD on X11. 2009-10-10 15:06:04 +00:00

                         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)