On Tue, 2010-01-12 at 11:01 -0500, Younes Manton wrote: > On Tue, Jan 12, 2010 at 9:44 AM, Keith Whitwell <kei...@vmware.com> wrote: > > On Tue, 2010-01-12 at 06:33 -0800, Roland Scheidegger wrote: > >> >>> > >> >>> Profile 7 (2009) 6 (2008) > >> 5 > >> >>> (2006) 4 (2004) 3 (2003) 2 (2002) 1 > >> (2000) > >> >>> Fragment Shader Yes Yes > >> Yes > >> >>> Yes Yes Yes Yes > >> >> DX 7 didn't have any shader model IIRC. DX8/8.1 introduced shader > >> models > >> >> 1.0-1.3/1.4. > >> > > >> > Yea, that level should be gone. > >> Though thinking about this, maybe we should keep a level below lowest > >> dx9 feature level, since gallium drivers exist which are pretty low on > >> the feature scale (like the nv04/10/20). I don't know how well they'll > >> ever going to work, since they'd need the fixed function fragment > >> operations out of tgsi, but maybe we shouldn't prevent it by forcing > >> them to announce support of fragment shaders. > > > > The base level of gallium functionality included fragment shaders from > > the start, these early nv drivers don't really change that. > > > > In my view these are a speculative bet that with a lot of effort it is > > possible to turn shaders back into fixed-function, but supporting that > > isn't a design goal for gallium as a whole. > > > > Keith > > Just my opinion, > > I wouldn't count on nv04-nv20 actually staying in gallium. At some > point we wanted to experiment with shaders on fixed func, but I don't > think anyone is really motivated or optimistic that it will turn out > well. They're already rotting as it is. Francisco Jerez is working on > a classic Mesa driver for these and if/when they're worth pushing to > master I'd expect the gallium drivers to be axed. Agreed. IMO they could be removed now, I don't see them ever being done, and Francisco's drivers are shaping up quite nicely already.
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