« Return to Thread: Mesa 7.3.1 software rasterizer snapping cause holes

Re: Mesa 7.3.1 software rasterizer snapping cause holes

by Keith Whitwell-3 :: Rate this Message:

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On Thu, 2009-07-09 at 07:19 -0700, Chen Rabiner wrote:
> I'm trying to software render Humus softshadows
> http://www.humus.name/index.php?page=3D&ID=51
> And i'm getting holes in the wood and in other places in the scene.
> The holes are created because of triangle snapping with 4 bits of accuracy
> and this creates gaps in the geomatry, is it possible to increase the
> SUB_PIXEL_BITS and solve this problem?

Holes can be an application issue -- if the app is generating geometry
with T-shaped intersections, then you are at risk of holes no matter how
much precision is applied to the vertices.  

Keith


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 « Return to Thread: Mesa 7.3.1 software rasterizer snapping cause holes