Lines Matching refs:fog

25     This extension allows fragments to receive more or less fog than the
26     amount specified by the fog environment and the distance to the
28     prior to fog computation.
31     even through thick fog. Fog scale value is specified by setting the
34     appears brighter. If scale > 1, the object receives more fog. A
84 	z. If f_z < 0, then it is clamped to zero prior to fog
99 	"The state required for fog consists of a three valued integer
100 	to select the fog equation, four floating-point values d, e, s,
101 	and f_s, an RGBA fog color and a fog color index, a single bit
102 	to indicate whether or not fog is enabled, and a single bit to
103 	indicate whether or not fog scaling is enabled. In the initial
104 	state, fog is disabled, fog scaling is disabled, FOG_MODE is
128     applied to z prior to fog computation. Combining the new language of
138 	to fog computation."
150     FOG_SCALE_SGIX	    B	    IsEnabled	    False	    True if fog scaling is enabled  3.10   fog
151     FOG_SCALE_VALUE_SGIX    R	    GetFloatv	    1.0		    Fog scaling factor		    3.10   fog