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Mail Archives: djgpp/1996/04/15/18:33:10

Xref: news2.mv.net comp.os.msdos.djgpp:2738
From: gmontem AT sfsu DOT edu (GEORGE ARUGAY MONTEMAYOR)
Newsgroups: comp.os.msdos.djgpp
Subject: Re: GRX20 Speed
Date: 15 Apr 1996 06:17:03 GMT
Organization: San Francisco State University
Lines: 18
Message-ID: <4kspkv$ju1@news.csus.edu>
References: <4kfcg7$2bh AT umbc9 DOT umbc DOT edu>
NNTP-Posting-Host: gmontem AT taurus DOT sfsu DOT edu
To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp

o'toole casey (cotool1 AT umbc DOT edu) wrote:
: Does anyone have any comments on the Speed of the GRX 2.0 Library?

: GrBitBltNC functions.  I was STARTLED to see that I could only achieve
: around 40 FPS just clearing a memory context then writing it to the
: screen in 320 x 200 x 256 mode.  A similiar program written in 
: Borland C 4.5 REAL mode accomplishes 160+ FPS.  

: Im going to have to switch back to real mode and write my own
: bitblt functions.. I read about this in the DJ-TUT file somewhre..

Interesting.  Does anyone know any of any graphics libraries or ones that 
will have it in the future which support the hardware acceleration 
included in many video cards, in other words, DirectVideo style?  That 
would be pretty neat... hardware accelerated bitblits and other stuff, 
all accessible from a library... for DJGPP ONLY!

-george

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