s_fog.h File Reference

#include "swrast.h"

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Functions
GLfloat	_swrast_z_to_fogfactor (GLcontext *ctx, GLfloat z)
void	_swrast_fog_rgba_span (const GLcontext *ctx, SWspan *span)
void	_swrast_fog_ci_span (const GLcontext *ctx, SWspan *span)