I believe this has already been implemented and it resides in a user repository somewhere on FDo...
-Marek On Mon, Jun 7, 2010 at 4:45 PM, Brian Paul <bri...@vmware.com> wrote: > Dave Airlie wrote: > >> I was just diffing fglrx and r300g output for my rv530 and this was on the >> list. >> >> I'm wondering what we would need for this? does TGSI have the >> necessary bits? I assume there would be a bit of work in the GLSL >> compiler also. >> > > It would mostly be GLSL work. > > We already have the underlying TXD instruction which takes the partial > derivative operands. > > It shouldn't be too hard for someone to do - just follow the example of the > existing GLSL texture() functions. > > -Brian > > _______________________________________________ > mesa-dev mailing list > mesa-dev@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/mesa-dev >
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