Re: [igt PATCH] gen9: fix gem_render_copy 3d state setup

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On Thu, Jan 29, 2015 at 03:01:50AM -0800, Imre Deak wrote:
> On Thu, 2015-01-29 at 10:51 +0000, Damien Lespiau wrote:
> > On Thu, Jan 29, 2015 at 12:03:19AM -0800, Imre Deak wrote:
> > > Without emitting the default 3DSTATE_WM_DEPTH_STENCIL state the test
> > > will fail.
> > > 
> > > Signed-off-by: Imre Deak <imre.deak@xxxxxxxxx>
> > 
> > Question: Wasn't the golden context supposed to paper over those?
> 
> Perhaps, currently the golden context doesn't include this.

Today, you cannot rely on the initial contents of the context even with
the golden render state. There is no pristine context, every client is
responsible for configuring the hardware exactly as they intend to use -
at least as regards the untrusted commands (e.g. 3DSTATE).
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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