virglrenderer regression in commit ad4f0f1941677c

[Marc-André Lureau]

Hi

----- Original Message -----
> On Fri, Jul 29, 2016 at 3:57 PM, Rob Herring <robh at kernel.org> wrote:
> > Hi,
> >
> > This commit in virglrenderer causes a regression in Android for me.
> > The parameters that get passed in are last_level = 8, width = 1. I'm
> > not really sure if this is valid (I'm guessing there should be some
> > min width?), or where I should be looking to fix this. Any ideas?
> 
> what is the height?  last mip-map level is basically the number of
> times you could half the width+height (round up to 1) until it is 1x1.
> So something like 1x512 would have last_level=8.  (I might be off by
> one right-shift..)
> 
> Try this:
> 
> - if (args->last_level > (floor(log2(MAX2(args->width, args->width))) + 1))
> + if (args->last_level > (floor(log2(MAX2(args->width, args->height))) + 1))

Oh, looks like what I wanted but I wouldn't see the typo even after re-reading...

please send a patch on the virgl mailing list.