[AD] [ alleg-Bugs-1886654 ] Rending of polygons is not correct.

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Bugs item #1886654, was opened at 2008-02-04 23:28
Message generated for change (Settings changed) made by karl-seele
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Category: Core Library
Group: 4.2.0rc2
Status: Open
Resolution: None
>Priority: 9
Private: No
Submitted By: KSX (karl-seele)
Assigned to: Nobody/Anonymous (nobody)
Summary: Rending of polygons is not correct.

Initial Comment:
The rendererer of _soft_polygon3d_f (polygon3d_f) (gouroud + zbuffer) is not rendering the interpolation of the colors correct.

See the attached pictures in rar-file. One original captured and the other one digitally converted, to see the rendering problem.
There is a +1/-1 or <,<=,>,>= condition problem in the algorithym. 

Karl

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