Joe Groff 2da256063f MacOS X glFrustum generates -0.0 in W column of projection matrix; Windows glFrustum generates 0.0. This causes sign differences in the gl_ProjectionMatrixInverse between platforms. manually force the z coordinate sign in terrain sky projection to be negative like it ought to be		2009-05-13 21:28:12 -05:00
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shaders.factor	…