[hatari-devel] Fullscreen / dualhead bug

Eero Tamminen oak at helsinkinet.fi
Thu Feb 10 19:59:41 CET 2011


On torstai 10 helmikuu 2011, Matthias Arndt wrote:
> Am Donnerstag, den 10.02.2011, 11:14 +0100 schrieb Anders Eriksson:
> > So SDL fucks up Hatari on Linux and it fucks up Hatari on OS X. Styckx
> > is trying to improve timing accuracy by going around SDL. One can
> > start to wonder if SDL is just a quick-fix and not that good in the
> > long run.
> I wouldn't sa ythat at full. Maybe dualscreen support is not complete or
> desired as of yet?

Maybe nobody has filed a bug about that to SDL bug tracker so that
SDL developers would know?

> On a signlescreen setup I never never had problems with any SDL apps
> under Linux to go fullscreen and back.

Likewise.  Only problems I've had have been with programs using OpenGL
when they crash and leave gfx HW into some broken state.  Sometimes
even restarting X doesn't help for that.

> The SDL API certainly is not at fault, if at all, it is the
> implementation or the platform specific backend.


On Linux the SDL backend does what was earlier only available alternative to
get fast fullscreen, but AFAIK nowadays there are better ways to do things
with X that what SDL is still doing.  I.e. the issue on Linux is a bit of
a legacy issue.  Maybe they want to be compatible to obsolete X versions,
or maybe this is already fixed/improved in the SDL trunk (I haven't

	- Eero

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