Re: OpenGL-based framebuffer concepts

From: Antonino A. Daplas
Date: Thu Jun 01 2006 - 17:39:40 EST


Jan Engelhardt wrote:
>>> As long as I can continue to use 80x25 or any of the "pure text modes"
>>> (vga=scan boot option says more) without loading any FB/DRM, I am satisfied
>> Jan, I don't plan on forcing fbdev/DRM on anyone. My work is going to leave
>> vgacon alone, and if my work at making DRM and FBdev cooperate goes as
>> planned, those two will remain independant, though part of my work aims at
>> having fbdev provide all 2D graphics acceleration for DRM while DRM handles
>> the 3D stuff via the Mesa libraries or similar.
>>
> That sounds acceptable.
>
> But current vesafb is slower, noticable with scrolling as in `ls -Rl /`.
> Does it lack 2D acceleration?

No, vesafb does not support console acceleration.

If you use x86_32, adding video=vesafb:ypan,mtrr:3 in your boot option will
help. Also using the lowest color depth will also help.

Tony
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