First Color Argument
Textures , Second Color Argument
The first color argument element defines the first argument for the color operation of the active operation stage of an active object . This argument can assume the following values:
0 basic (diffuse) color of object
1 result of previous operation stage
2 texture
4 specular color (only DirectX 7 and 8)
Modification factors (they are added to the argument code):
16 complement, the value (1-arg) will be used
32 replicate the alpha information to all color channels
The default value of the first color argument is 2 (a texture) in all stages.