[Mesa-dev] RFC: gallium front/back vs cw/ccw rasterizer state
brianp at vmware.com
Fri May 14 07:09:43 PDT 2010
Keith Whitwell wrote:
> I'm considering modifying the gallium rasterizer state to remove most of
> the cw/ccw flags and replace them with front/back or other concepts
> closer to what GL is using.
> This is primarily motivated by the fact that noone other than GL uses a
> lot of this state, and where they do, they tend to use the same
> abstraction level as GL. This includes many hardware interfaces.
> Right now, the cw/ccw abstraction doesn't benefit many drivers (except
> maybe softpipe), and introduces some unnecessary possibilities which GL
> never exposes (eg front and back with the same fill mode but different
> offset modes).
> I've started a branch for this, but also here are the relevant interface
> changes for review.
Looks good. I'll do some testing on your branch when you update the
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