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Bug 2 - vsync patch...
Summary: vsync patch...
Status: RESOLVED FIXED
Alias: None
Product: SDL
Classification: Unclassified
Component: video (show other bugs)
Version: HG 1.2
Hardware: All All
: P2 API change
Assignee: Ryan C. Gordon
QA Contact: Sam Lantinga
URL:
Keywords:
Depends on:
Blocks: 117
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Reported: 2006-01-03 11:30 UTC by Ryan C. Gordon
Modified: 2006-04-27 03:58 UTC (History)
2 users (show)

See Also:

Attachments
vsync patch (6.82 KB, patch)
2006-01-03 11:31 UTC, Ryan C. Gordon 		Details | Diff
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Description Ryan C. Gordon 2006-01-03 11:30:32 UTC 
Date: Mon, 21 Mar 2005 12:06:14 +0100
From: Per Inge Mathisen <per.mathisen@gmail.com>
Reply-To: Per Inge Mathisen <per.mathisen@gmail.com>
To: "Ryan C. Gordon" <icculus@clutteredmind.org>
Subject: Re: [SDL] Outstanding patches?

On Sun, 20 Mar 2005Ryan C. Gordon <icculus@clutteredmind.org> wrote:

>> I'd like to sort through the patches people have posted/emailed that
>> never made it into CVS.


There is the SDL_GL_SWAP_CONTROL patch that I made. I sent a new
version off to Stephane Marchesin, who for some reason wanted to merge
some patches, but I never heard any more about that.

Latest version attached. Unfortunately, since I do not have the
necessary hardware myself, the patch is untested on hardware that
supports this feature. However, I have written the same feature for a
demo that several people have used and reported that swap control was 
working, so it should work, unless I screwed up and added bugs when
porting it to SDL :-)

The patch adds support for setting SDL_GL_SWAP_CONTROL to Windows and
X11. In Windows you can also query this enum to check that it is
working, or see what the default is - such functionality does not
exist in GLX. For more information on the standards implemented:
http://oss.sgi.com/projects/ogl-sample/registry/SGI/swap_control.txt
http://oss.sgi.com/projects/ogl-sample/registry/EXT/wgl_swap_control.txt

  - Per
Comment 1 Ryan C. Gordon 2006-01-03 11:31:48 UTC 
Created attachment 1 [details]
vsync patch
Comment 2 Ryan C. Gordon 2006-01-05 02:33:43 UTC 
(Changed severity to "API change" for a bunch of bugs.)

--ryan.
Comment 3 Ryan C. Gordon 2006-01-27 11:23:00 UTC 
Setting Sam as "QA Contact" on all bugs (even resolved ones) so he'll definitely be in the loop to any further discussion here about SDL.

--ryan.
Comment 4 Christian Walther 2006-01-30 14:55:58 UTC 
I can provide a Mac OS X (Quartz) implementation for this - see Bug #117 for a patch that would enable vsync unconditionally. Is there any advantage in adapting my patch right now? Otherwise I'll do it as soon as this is in CVS.
Comment 5 Sam Lantinga 2006-04-27 03:58:23 UTC 
This is in SVN, thanks!