Lines Matching refs:fog

39     assumes that the fog blend factor f is computed per-vertex and
41     extension enables the use of such existing fog circuitry to obtain 
45     Enable with the appropriate enumerant and sets the fog color to the 
64        state when the FOG_BIT is set, along with the rest of the fog related
93     "In addition to these, an implementation may choose to associate a fog
97     texturing by the fog sub-system."
101     coordinates, fog blend-factor and color".
109     "If the WIN_specular_fog extension is enabled the fog value, which 
116     computing the color of the vertex are used to compute the fog value 
118     the vertex. This value is used by the fog sub-system to add a specular 
132     Then the fog value of the vertex is computed to be:
147     and f (fog blend-factor)"
156     r texture coordinate or fog blend factor.......... is found as"
162     "If either fog or WIN_specular_fog are enabled, the fog blends a fog-color
192     The state required for fog consists of a three valued integer to select
193     the fog equation, three .... a single bit to indicate whether or not fog