[comp.sys.hp] Problems with X and pixmaps

garfinke@hpfcda.HP.COM (Dan Garfinkel) (06/26/90)

> Our application uses quite large "pixmaps" (approx. 600x600) for
> smooth scrolling and panning. The first application which is started
> runs fine, but the second is incredibly slow when scrolling, the
> window is build line after line !
> Has anybody ever encountered such a problem ? It seems that the
> X-server allocates some fast memory somewhere in the video memory or
> so.... Can the size be altered ?

This is exactly what's happening.  The server allocates fast video memory
for pixmaps, fonts, etc. on a first come first server basis.  The size of
the extra video memory cannot be altered and varies depending on the display.

-Dan