[Mesa-dev] [PATCH 07/15] i965/blorp: Use 16 pixel dispatch on Gen7 when there is a WM program.

[Eric Anholt]

On Fri, 11 May 2012 11:03:50 -0700, Paul Berry <stereotype441 at 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.
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