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. ------------------------------------------------------------------------------ This SF.Net email is sponsored by the Verizon Developer Community Take advantage of Verizon's best-in-class app development support A streamlined, 14 day to market process makes app distribution fast and easy Join now and get one step closer to millions of Verizon customers http://p.sf.net/sfu/verizon-dev2dev _______________________________________________ Mesa3d-dev mailing list Mesa3d-dev@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mesa3d-dev
