Message-ID: <8D53104ECD0CD211AF4000A0C9D60AE301692D56@probe-2.acclaim-euro.net> From: Shawn Hargreaves To: djgpp AT delorie DOT com Subject: Re: Allegro 3D functions - won't display on right half of the scr een Date: Tue, 14 Sep 1999 09:30:39 +0100 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.0.1460.8) Content-Type: text/plain Reply-To: djgpp AT delorie DOT com Thomas Harte writes: >> I built a basic rotating cube demo with the allegro polygon and matrix >> functions, but I have a problem. The cube displays as expected when in >> 8bit color (cube in center of the screen). BUT, when I change NOTHING > > Unless I am mistaken, the polygon routines are only for 8bit modes You are behind the times: the polygon functions have supported all color depths ever since Przemek Podsiadly and Calin Andrian did some work on them for Allegro 3.1. I don't know what would cause this problem: it certainly does sound like using 8 bit functions to draw onto a 16 bit screen, but it isn't obvious to me why that would be happening (I'm just replying to your reply, and can't find the original post to get full details of the problem). Shawn Hargreaves.