Graphics Performance

Rask Ingemann Lambertsen rask at
Mon Apr 6 03:37:43 CEST 2009

On Fri, Apr 03, 2009 at 11:36:39AM +0100, Thomas White wrote:

> We do have some acceleration already - both XGlamo (the Kdrive X server)
> and xf86-video-glamo (the Glamo driver for Xorg) make use of Glamo's 2D
> engine to accelerate tasks such as flood-filling large areas and moving
> blocks of data around the screen or onto the screen from offscreen.

   Btw, what is the state of xf86-video-glamo? Does XVIDEO work? Does screen
rotation work (without getting huge fonts, messed up DPI values)?

> There are many limitations of the chip, but I don't see them as a
> reason to give up on this kind of thing.  For example, it's often
> mentioned that the 3D engine won't render to a buffer larger than
> 511x511 pixels.  That would seem to rule out such graphical fanciness
> at the native resolution of 480x640, but how about we just cover a
> 480x511 region of the screen with accelerated graphics and make the
> remaining area into some kind of tool or status bar?

   No, we absolutely need to have a 3D accelerated keyboard. :-)

Rask Ingemann Lambertsen
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