nanogui: CLPS7500FE chip is slowly
Subject:
Re: CLPS7500FE chip is slowly
From:
Jordan Crouse ####@####.####
Date:
1 Dec 2000 15:45:43 -0000
Message-Id: <3A27C880.631302E0@censoft.com>
Actually, I was refering to the Microwindows interface to X11 (Greg and
Jason know what I'm talking about).
I know that the X11 drivers themselves are most excellent.
Jordan
Alan Cox wrote:
>
> > It is my contention that the low level framebuffer routines are very
> > good and very fast (unlike our poor X11 drivers... :( ), and that we can
>
> The X11 low level frame buffer routines are _very_ good actually. Especially
> and in fact if anything more so for single issue processors of the past (and
> the current embedded world). They do a lot of loop unrolling.
>
> You might want to browse the cfb code. Once you understand how the Duffs
> device and blitter macros unroll you'll be impressed
>
> Nanogui's rendering code is nowhere near as good
