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Bug 723 - SDL Full screen overflows offscreen
Summary: SDL Full screen overflows offscreen
Status: RESOLVED FIXED
Alias: None
Product: SDL
Classification: Unclassified
Component: video (show other bugs)
Version: 1.2.13
Hardware: x86 Linux
: P2 normal
Assignee: Ryan C. Gordon
QA Contact: Sam Lantinga
URL:
Keywords: target-1.2.14
Depends on:
Blocks:
 
Reported: 2009-04-05 08:59 UTC by Jonathan Rosen
Modified: 2009-09-21 04:09 UTC (History)
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Description Jonathan Rosen 2009-04-05 08:59:13 UTC 
I've noticed this on my Gentoo 64bit Desktop.  When I start/toggle any SDL application to full screen the width of the screen stretches just fine but the height goes off screen (0,0 is at the correct location but the bottom is completely off).  I've seen this in both SDL binary apps (such as Einstein) as well as my own programs.
Comment 1 Ryan C. Gordon 2009-09-13 16:33:22 UTC 
Tagging this bug with "target-1.2.14" so we can try to resolve it for SDL 1.2.14.

Please note that we may choose to resolve it as WONTFIX. This tag is largely so we have a comprehensive wishlist of bugs to examine for 1.2.14 (and so we can close bugs that we'll never fix, rather than have them live forever in Bugzilla).

--ryan.
Comment 2 Jonathan Rosen 2009-09-13 22:53:55 UTC 
I had a look again, recently, at this problem and found it to be related directly to X.  A somewhat-related issue found in a google search turned out to be the same cause.  Something about X only performing a single scan of something or other, unless otherwise specified.  Anyway, this single scan is what caused the stretched image.  The fix was to put the following in the appropriate Device section the /etc/X11/xorg.conf

Option         "ModeValidation"     "DoubleScanPriority"

This fixed it for me, although I feel is kind of a work-around.