I only see implementation for ffvertex_prog.c Wasn't (or will soon be) the FF->Mesa IR replaced with FF->GLSL IR? If so, can you truly enable unconditionally on gallium/st?
Jose ----- Original Message ----- > If there are no other concerns, I'll push this on Saturday, including > the nv20 fix from Francisco Jerez. > > http://cgit.freedesktop.org/~mareko/mesa/log/?h=nv-fog-distance > > Marek > > On Tue, Sep 20, 2011 at 7:50 AM, Nicholas Miell <nmi...@gmail.com> > wrote: > > On 09/19/2011 10:23 AM, Ian Romanick wrote: > >> > >> I guess the big question is... why? With vertex shaders, this > >> functionality is not terribly useful. Over the past few weeks > >> we've > >> been *removing* code like this, so it seems kind of odd to add > >> some of > >> it. If I'm not mistaken, the only hardware in Mesa that can do > >> this > >> but not vertex shaders is NV10. Is it really that helpful? > >> > >> I'm not necessarily opposed to adding this, I just want to be sure > >> we're giving it full thought... that's all. > >> > > > > Good question. In the general case, I'd agree with you that > > implementing > > ancient extensions is a waste of effort, but this one is (AFAICT) > > an > > extremely low impact change that benefits a number of existing > > projects. > > It even has new code being written to target it, oddly enough > > (which is > > what prompted my interest in the first place). > > > > My first pass at this actually skipped the extension entirely and > > just > > changed the generated vertex program to always use the eye radial > > distance, but I figured that a full implementation of the extension > > would be the correct thing to do, especially when there may be some > > program out in the wild that breaks if the fog distance isn't > > abs(Ze). > > _______________________________________________ > > mesa-dev mailing list > > mesa-dev@lists.freedesktop.org > > http://lists.freedesktop.org/mailman/listinfo/mesa-dev > > > _______________________________________________ > mesa-dev mailing list > mesa-dev@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/mesa-dev > _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
