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SubjectRe: S3 Frame Buffer
On Sat, 22 May 1999, Chris Evans wrote:
> On Thu, 20 May 1999, Gabor Lenart wrote:
> > window, and messages in the window). But fbcon background images denies
> > fast hw scrollback or something, I think ...

> Maybe we should look into the "overlay" functionality of the S3 cards. The
> Virge definitely has it, not sure about Trio64.

> The overlay functionality lets you lay one screen over another (with black
> behaving as transparent in the top layer). It is done in hardware. The
> colours and resolution are limited when using this feature though

I think this feature is the 'streams processor' which is present on the
Trio64V+ (newmmio) but not the Trio64 (mmio_928).

Jeff





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