Questions tagged [z-fighting]

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Why there's no z-fighting for coincident planes if the camera look perpendicular at them?

There's a similar question Why do identical polygons not z-fight in OpenGL? but I believe I have a different setup. As can be seen in the picture the vertices for the planes are different and on the ...
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Rasterization: How does hardware disambiguate identical Z values at silhouette edges?

I have written a software rasterizer, and have encountered a (literal) edge case. At the silhouette edge of a typical object, you have two triangles—the front face and the back face. They are not ...