misc fixes for VC4

[Keith Packard]

"Jasper St. Pierre" <jstpierre at mecheye.net> writes:

> On a UMA system, that's effectively free. With a triangle fan and
> glMultiDrawElements, you can get it down to four, same as a quad. Though
> I'm not sure if mesa fully supports glMultiDrawElements.
>
> I believe mesa supports primitive reset, so with a triangle fan and
> primitive reset, you can get it down to five indices per quad.

The only interesting question is what hardware that doesn't do quads
wants; offering an alternative path is fine, we just need to make it
actually useful :-)

-- 
-keith
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 810 bytes
Desc: not available
URL: <http://lists.x.org/archives/xorg-devel/attachments/20150102/9b3b3ac1/attachment.sig>