[Mesa-dev] [PATCH ] i965/aa: fixing anti-aliasing bug for thinnest width lines.

[Predut, Marius]

-----Original Message-----
From: mesa-dev [mailto:mesa-dev-bounces at lists.freedesktop.org] On Behalf Of Matt Turner
Sent: Thursday, March 12, 2015 12:02 AM
To: Ilia Mirkin
Cc: mesa-dev at lists.freedesktop.org
Subject: Re: [Mesa-dev] [PATCH ] i965/aa: fixing anti-aliasing bug for thinnest width lines.

On Wed, Mar 11, 2015 at 2:09 PM, Ilia Mirkin <imirkin at alum.mit.edu> wrote:
> On Wed, Mar 11, 2015 at 5:57 PM,  <marius.predut at intel.com> wrote:
>> From: Marius Predut <marius.predut at intel.com>
>
> Set your email from name correctly in git and then you won't have this
> line in your git send-email results.
>
>>
>> On SNB and IVB hw, for 1 pixel line thickness or less,
>> the general anti-aliasing algorithm give up - garbage line is generated.
>> Setting a Line Width of 0.0 specifies the rasterization
>> of the “thinnest” (one-pixel-wide), non-antialiased lines.
>> Lines rendered with zero Line Width are rasterized using
>> Grid Intersection Quantization rules as specified by
>> bspec section 6.3.12.1 Zero-Width (Cosmetic) Line Rasterization.
>>
>> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=82668
>
> This seems like the wrong bug reference...

I'm pretty sure it should be

https://bugs.freedesktop.org/show_bug.cgi?id=28832


yes it is.

thanks Matt


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