Quoting Sven Neumann ([EMAIL PROTECTED]):
> Hi,
>
> Denis Oliver Kropp <[EMAIL PROTECTED]> writes:
>
> > Mask r with 0xF8 and g with 0xFC in the complex double line[tm].
>
> this hint made me find the problem, thanks. No need for a 5bit
> alpha multiplicator or masking the green bits, but the red bits
> must indeed be masked so that the low bits of the red color don't
> add to the blue bits. Unfortunately masking r costs some performance
> but it's still about 10% faster over here. Andi, could you try if
> it works on PowerPC and how the performance behaves there?
You are right, because we have enough space between red and blue (6).
It would not work for the format RGB 556 ;-)
--
Denis Oliver Kropp
( convergence )
( integrated media gmbh )
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