2,3,4bpp modes and e-ink

Keith Packard keithp at keithp.com
Mon Apr 14 12:04:05 PDT 2008

On Tue, 2008-04-15 at 01:17 +0700, Mikhail Gusarov wrote:

> Should we ressurect some of the older fb implementation and target it
> especially to low bpp / grayscale, or add direct support of packed
> pixels to the one of fb implementations which are supposed to survive?

fb can deal with 4bpp, but X doesn't expose a 2bpp mode and so fb never
had that code added.

Given 2bpp support in fb, having fb then exposing those as 4bpp images
for GetImage/PutImage would be very easy -- fb already does that for
24bpp frame buffers (which are exposed as 32bpp).

keith.packard at intel.com
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