From: "Sami Mäkelä" <sajuma@utu.fi>
To: Peter Ronnquist <pronnquist@yahoo.com>
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] How to synchtonize swap buffers with vertical retrace in lablgk/lablgtk, or labgl/labltk,
Date: Fri, 11 May 2001 17:29:25 +0300 [thread overview]
Message-ID: <3AFBF745.310D2DAC@utu.fi> (raw)
In-Reply-To: <20010511073252.49591.qmail@web11504.mail.yahoo.com>
Peter Ronnquist wrote:
> Some clarification, the behavior I get is that the
> animation is not smooth. It is like the vetical
> retrace is missed sometimes.
> It could be that it do the flip at the correcttime,
> but that the loop sometimes takes too long so that one
> vertical retrace is skipped.
Here are some tips about how to make it faster:
* Use Sdlvideo.surface_display_format to convert the
image to faster format
* Set the color depth to the depth of your screen
* When using Sdlvideo.update_rect, Sdlvideo.flip is unnecessary.
I don't know if update_rect waits for vertical retrace.
-------------------
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next prev parent reply other threads:[~2001-05-11 14:26 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200105091112.NAA24433@beepbeep.dev33.cvf>
2001-05-10 17:08 ` Peter Ronnquist
2001-05-10 21:20 ` Peter Ronnquist
2001-05-11 7:32 ` Peter Ronnquist
2001-05-11 14:29 ` Sami Mäkelä [this message]
2001-05-12 17:51 ` Peter Ronnquist
[not found] <200105111336.PAA23160@beepbeep.dev33.cvf>
2001-05-12 17:24 ` Peter Ronnquist
2001-05-03 13:09 Peter Ronnquist
2001-05-03 18:11 ` Chris Hecker
2001-05-04 8:52 ` Sven LUTHER
2001-05-04 9:30 ` Peter Ronnquist
2001-05-04 10:20 ` Sven LUTHER
2001-05-04 13:47 ` Peter Ronnquist
2001-05-12 21:25 ` Peter Ronnquist
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