[Mesa-dev] [PATCH] draw: fix non-perspective interpolation in interp()

Brian Paul brian.e.paul at gmail.com
Sat Feb 16 15:54:10 PST 2013


On Sat, Feb 16, 2013 at 12:17 PM, Paul Berry <stereotype441 at gmail.com> wrote:
> On 16 February 2013 10:58, Brian Paul <brianp at vmware.com> wrote:
>>
>> This fixes a regression from ab74fee5e1a3fc3323b7238278637b232c2d0d95.
>> When we use the clip coordinate to compute the screen-space interpolation
>> factor, we need to first apply the divide-by-zero step to the clip
>> coordinate.
>
>
> I think you mean "divide-by-W" :)

Oops, yes.

-Brian


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