Jelle Raaijmakers 52d6ae36cb LibGL: Do not exclude points on the clip planes ...

Most resources seem to suggest that points on the clip planes are also
inside the frustum, e.g.: https://www.cubic.org/docs/3dclip.htm

This seems to resolve some rendering issues in Grim Fandango in OpenGL
mode where the screen remained black. This was because of quads being
drawn with their vertex positions exactly on the clip planes.

2021-12-12 21:51:08 +01:00

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