From: Berlin Brown (bigbinc@hotmail.com)
Date: Mon 24 Feb 2003 - 02:34:49 IST
>From: Jay Link <jlink@ilbbs.com> >To: Berlin Brown <bigbinc@hotmail.com> >CC: <linux-svgalib@svgalib.org> >Subject: Re: some flickering with svgalib and also opengl >Date: Sun, 23 Feb 2003 18:25:24 -0600 (CST) >MIME-Version: 1.0 >Received: from interlink-bbs.com ([65.161.249.65]) by >mc7-f36.law1.hotmail.com with Microsoft SMTPSVC(5.0.2195.5600); Sun, 23 Feb >2003 16:24:16 -0800 >Received: from localhost (jlink@localhost)by interlink-bbs.com >(8.11.3/8.9.3) with ESMTP id h1O0POa09270;Sun, 23 Feb 2003 18:25:24 -0600 >X-Message-Info: dHZMQeBBv44lPE7o4B5bAg== >X-X-Sender: <jlink@radish.interlink-bbs.com> >In-Reply-To: <200302232113.h1NLDoN03784@interlink-bbs.com> >Message-ID: ><Pine.LNX.4.33.0302231820540.9148-100000@radish.interlink-bbs.com> >Return-Path: jlink@ilbbs.com >X-OriginalArrivalTime: 24 Feb 2003 00:24:16.0155 (UTC) >FILETIME=[10695EB0:01C2DB9B] > > > > First when I do movement with svgalib, I get some flickering only at the >top > > of the screen. > >Sometimes this can happen because of your video card and/or the driver -- >not because of faulty code. > >For example, I had an app once that would behave erratically, and I was >going crazy trying to figure it out, but it ended up being my hardware. > >Can you try it on a different machine? > > > I am using vgagl and porting it to standard vga and get the > > same result. And I already used similar code in vgagl. And this is > > basically a line that crawls down the screen. The only problem is that > > there is some weird flickering when it travels down the screen. Any >ideas? > > I think this a graphics programming problem maybe not a svgalib problem. > >See above. > > > Also, I was thinking, since svgalib has some x-windows code in it. is >it > > possible to add the opengl support for hardware acceleration. I know >this > > is an extra-extra feature. I figure if X-windows does it, svgalib >should be > > able. > >There is no real SVGAlib staff -- most requests such as this must be >fulfilled by the "requester". You are kidding me right? Actually I am working on a small version of svgalib with uClibc, I hope to get the library to 20-30k. And my flickering problem was because of page flipping. I added some more code to perform page flipping using vga, like the code in vgagl. _________________________________________________________________ Add photos to your messages with MSN 8. Get 2 months FREE*. http://join.msn.com/?page=features/featuredemail ------------------------------------------------------------------ Unsubscribe: To: listbot@svgalib.org Body: unsubscribe linux-svgalib
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