On Thu, Aug 25, 2011 at 2:43 PM, Keith Whitwell <kei...@vmware.com> wrote: > On Thu, 2011-08-25 at 07:28 -0600, Brian Paul wrote: >> How would the TXQ instruction be implemented for a hardware driver? >> >> Is there really a HW GPU instruction that returns the size of a texture? > > Yes, that's correct. > >> Otherwise, this seems like something we could implement in the state >> tracker by putting the texture size into a constant buffer slot. Then >> we'd have it for all drivers. > > I think that's a good fallback for hardware that's missing this > capability, but DX10+ hardware should be expected to have it.
I can't see us caring really, its part of GLSL1.30 which pretty muhc means GL3.0, which pretty much means DX10. Dave. _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
