On 22 May 2012 13:02, Eric Anholt <e...@anholt.net> wrote: > On Fri, 11 May 2012 11:03:50 -0700, Paul Berry <stereotype...@gmail.com> > wrote: > > When executing a blorp operation on Gen7 that does not need a WM > > program (i.e. a HiZ operation), we use 32-pixel dispatch mode because > > it's faster. However, when executing a blorp operation that does need > > a WM program, we need to use 16-pixel dispatch, because blorp WM > > programs are compiled assuming 16-pixel dispatch. > > I didn't think dispatch mode means anything unless you're actually > dispatching a thread (though I could see how having no dispatch mode set > might anger things). Basically, I'm thinking just always set 16, unless > there is some efficiency reason I don't know of. >
I don't honestly know. Chad, I inherited the 32-pixel dispatch from your HiZ code, and assumed you did it on purpose because it was faster. But I didn't actually do any tests. Do you have any thoughts about this?
_______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
