On Thu, 2011-08-25 at 15:00 +0100, Dave Airlie wrote: > On Thu, Aug 25, 2011 at 2:43 PM, Keith Whitwell <[email protected]> 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.
Sounds fair enough... Keith _______________________________________________ mesa-dev mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-dev
