Monochrome framebuffer driver
ajax at nwnk.net
Thu Oct 29 14:25:58 PDT 2009
On Fri, 2009-10-30 at 03:06 +0600, Mikhail Gusarov wrote:
> Twas brillig at 17:02:31 29.10.2009 UTC-04 when ajax at nwnk.net did gyre and gimble:
> >> What's the right way of implementing a monochrome framebuffer
> >> driver? Using 8bpp with fbdev and do the mapping in the kernel, or
> >> write an x driver?
> AJ> fbScreenInit(bpp = 1)
> Btw, does it work (or at least is it supposed to work) for 2 or 4 bits
> per pixel?
2 almost certainly doesn't work. Among other things there's a nasty bug
in the protocol where depth-2 images would have to be 4bpp, and I'm sure
no one's tested that since NeXT. Depth 4 is expected to work though.
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