Lines Matching refs:fog

24     This extension allows to define application-specific fog blend-factor
27     eye-space distance value and corresponding value of the fog blending 
44    fog blending factor ouside the [0.0, 1.0] range it should not
52    of the current fog factor function are queried by calling 
55    "All the points of the current fog factor function are queried by 
64    value of the fog blend factor. The fog blend factor values are
68    specifies the corresponding value of the fog blend factor (should be in 
69    [0.0, 1.0] range)." Also "INVALID_VALUE is generated if fog factor
107     specifies the corresponding value of the fog blend factor. The fog
112     predecessor; 2. fog factor value of each point is not bigger then
113     the fog factor value of its predecessor. The <n> value 
117     and may be inquired by Get commands. Initially fog function defined by a 
124     lowest distance value specifies the fog function value for all values of 
130     integer FOG_FUNC_SGIS then application specified fog factor function is
131     selected for the fog calculation. 
144     The max allowed number of points in the fog factor function specification 
145     of a fog is queried by calling GetBooleanv, GetIntegerv, GetFloatv, 
147     The number of points in the current fog factor function is queried by 
149     set to FOG_FUNC_POINTS_SGIS. All the points of the current fog
180     FOG_FUNC_POINTS_SGIS	GetIntegerv		Z+		1		fog