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From: | Damian Yerrick <Bullcr_pd_yerrick AT hotmail DOT comRemoveBullcr_p> |
Newsgroups: | comp.os.msdos.djgpp |
Subject: | Re: GRX VESA driver |
Organization: | Pin Eight Software http://pineight.8m.com/ |
Message-ID: | <p87a6topmlniuhda542pl82nf7ulog7km6@4ax.com> |
References: | <3A5F2A19 DOT 119396F1 AT ma DOT tum DOT de> <93nghs$ou1$1 AT nets3 DOT rz DOT RWTH-Aachen DOT DE> <3A62CB89 DOT B3E420A5 AT ma DOT tum DOT de> |
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NNTP-Posting-Date: | Wed, 17 Jan 2001 04:17:29 GMT |
Distribution: | world |
Date: | Wed, 17 Jan 2001 04:17:32 GMT |
To: | djgpp AT delorie DOT com |
DJ-Gateway: | from newsgroup comp.os.msdos.djgpp |
Reply-To: | djgpp AT delorie DOT com |
On Mon, 15 Jan 2001 11:06:01 +0100, Waldemar Schultz <schultz AT ma DOT tum DOT de> wrote: >Hans-Bernhard Broeker schrieb: >> >> That's not a bug in GRX, it's a bug in your graphics card's VESA >> implementation and/or Windows driver. Sadly, this bug is so common in >> today's cards that it's easy to forget that any card's drivers indeed >> do get it right. >> >> If GRX is to blame for anything, then for not using a workaround for >> that common bug. >most probably you are right, as I could not reproduce the behaviour >om my old home computer with W95. But I still wonder how Allegro >programmers did it to get around. Surprisingly, the workaround is palette animation. If I were to encounter such a problem in my Allegro applications, I'd just set_palette() once a second. (I don't use GRX; consult the GRX docs for an equivalent function.)
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