Fixed bug: If texture gamma is changed from the default; during startup GL_DoUpdateTexGamma is called before the file manager has loaded PLAYPAL and thus LoadPalette will fail. Check whether the texture manager is online before attempting to do any updating (if its not, we don't need to do an update anyway).
Added by danij almost 17 years ago
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Fixed bug: If texture gamma is changed from the default; during startup GL_DoUpdateTexGamma is called before the file manager has loaded PLAYPAL and thus LoadPalette will fail. Check whether the texture manager is online before attempting to do any updating (if its not, we don't need to do an update anyway).