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Date: Mon, 24 Feb 2003 16:31:25 -0500

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From: Ragnvald "Despair" Maartmann-Moe IV
Subject: SDL x11 video mode selection bug

Hi, I've found an oddity with video mode selection. I recently added a bunch of
oddball video modes to my XF86Config, to support weird resolutions xine &
mplayer need if I don't want to beat my cpu up with video scaling.

Since adding them, SDL started picking the biggest video mode it could find
that matched the height constraint. Getting a narrow vertical strip of
QuakeForge (I code for the project, so needless to say it's my favorite test)
in the middle of an 800x480 screen, instead of the 640x480 I asked for
annoys me tremendously.

So here's a patch that tries a bit harder to get an exact match. I didn't
touch the XiG section, since I can't test that, but I'd bet a similar patch
would prevent similar problems there.

--Ragnvald "Despair" Maartmann-Moe IV

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%40605
This commit is contained in:
Sam Lantinga 2003-03-06 06:02:16 +00:00
parent 53598ce435
commit bb0214c5a3
1 changed files with 6 additions and 0 deletions
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6
src/video/x11/SDL_x11modes.c
View file

@ -112,11 +112,17 @@ static void set_best_resolution(_THIS, int width, int height)
modes[i]->hdisplay, modes[i]->vdisplay);
}
#endif
for ( i = nmodes-1; i > 0 ; --i ) {
if ( (modes[i]->hdisplay == width) &&
(modes[i]->vdisplay == height) )
goto match;
}
for ( i = nmodes-1; i > 0 ; --i ) {
if ( (modes[i]->hdisplay >= width) &&
(modes[i]->vdisplay >= height) )
break;
}
match:
if ( (modes[i]->hdisplay != mode.hdisplay) ||
(modes[i]->vdisplay != mode.vdisplay) ) {
SDL_NAME(XF86VidModeSwitchToMode)(SDL_Display, SDL_Screen, modes[i]);