On 05/11/2012 04:26 PM, Jordan Justen wrote:
On Fri, May 11, 2012 at 2:41 PM, Brian Paul<bri...@vmware.com> wrote:
On 05/11/2012 11:35 AM, Marek Olšák wrote:
In that case, I think we should disable it in the state tracker if
there's no driver support. If it's faster for svga, it's very likely
faster for the other DX9-level drivers too.
Some Viewperf tests use primitive restart and we wanted to support it with
our vmware driver. So I'd like to at least be able to do "export
MESA_EXTENSION_OVERRIDE=GL_NV_primitive_restart" and see the extension
supported (as a software/VBO fallback).
Marek requested that all gallium drivers default to enable the
extension and software primitive restart when required like today, but
that all non-gallium drivers not use the software primitive restart by
default, and not advertise support for the extension.
Would that work for you?
With this approach, simply using
MESA_EXTENSION_OVERRIDE=GL_NV_primitive_restart on a non-gallium
driver would not work, but it would match what happens today...
I'm not too concerned about non-gallium drivers but I think it should
always be enabled for the swrast driver because I still occasionally
test things with that driver.
-Brian
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