[Mesa-dev] [PATCH 1/2] i965/skl: Upload qpitch in pixels for 1D textures

Ben Widawsky ben at bwidawsk.net
Wed Feb 18 18:21:50 PST 2015

On Wed, Feb 18, 2015 at 07:13:54PM +0000, Neil Roberts wrote:
> Ben Widawsky <ben at bwidawsk.net> writes:
> > I promise to look at this again in more detail tomorrow when I am more
> > awake, but meanwhile, I'd be very much in favor of just setting
> > mt->qpith for all miptree layout types.
> I'm not sure what you mean. Do you mean that we should just always set
> mt->qpitch to the actual value that we're going to upload? Yes, that
> seems like a good idea. I was originally worried about that because I
> had thought that other bits of code were looking at the qpitch to work
> out some offsets but that is not the case.

That was what I meant - it was very poorly stated.

> The qpitch seems to also be broken for 3D textures and compressed
> textures so I think it might be a good idea to squash this patch into a
> general patch which fixes everything. I made a start on that as part of
> fixing the copyteximage test for 3D textures here:
> https://github.com/bpeel/mesa/commit/fc95546c49f0e5c5805139712c51a0d13b2183c3
> I don't want to post the patch to the mailing list yet because it
> doesn't fix the test for the GL_RGBA32 format with 3D textures and I'd
> like to work out why first.
> Regards,
> - Neil

Okay. I got distracted today trying to help Chris debug TS anyway. A squash
sounds good to me, but I presume it's still worth reviewing these anyway - which
I will do ASAP.

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