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Also fix reversed naming of lat/long and fix wrong comments.
In one step of light grid processing, values were converted from sRGB to linear and stored in bytes. This unnecessarily loses precision during the calculation.
Set the alpha byte to 255 so the image uploading code will choose an RGB format.
Don't create the light grid direction image if deluxe mapping is disabled.
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... to avoid having to offset by 128 every time it is accessed.
Sometimes color values were slightly greater than 1; this led to an incorrect float color -> byte color conversion. Fix it by clamping the colors in Tess_AddTetrahedron.
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Added some more commits. I fixed a funny bug with |
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A few light grid-related cleanups/optimizations that do not change the functionality.