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kichikuou
d8ad22b638
In TapirEngine, the following lighting features are not used: - global ambient - directional lights - specular lights - rim lights - fog (The setters / getters for these parameters are still there, but they don't affect rendering.) This implementation disables those features in GLSL using #ifdefs. The C code that sets up the lighting remains almost unchanged -- glGetUniformLocation() will return -1 if the specified uniform variable name is not found, and glUniform*(-1, ...) will be no-op.