On Sun, 3 Jun 2001, Brian S. Julin wrote:
> On Sun, 3 Jun 2001, Christoph Egger wrote:
> > This fix even showed me another bug in the 32bpp mode, which I can
> > reproduce on the memory-target:
> >
> > When _mapping_ (NOT UNmapping) a white color, then the pixelvalue is
> > "-1" instead of 16777215.
>
> That just means you have 0xff in the alpha channel, right? (try printf in
> hex, -1 is 0xffffffff in 2's compliment 32bit) We can decide what the
> vanilla GGI primatives should do with alpha after we've got LibBuf/LibBlt
> in line. Though if it's rgba white would be 4294967040 (unsigned,
> -256 signed) if the alpha was zeroed.
^^^^^^^^^^^^^^^^^^^^^^^
Yes, _if_ the alpha value is zeroed! But you don't handle the
alpha-value in your patch.
CU,
Christoph Egger
E-Mail: [EMAIL PROTECTED]
