Image bm844.GIF First Alpha Argument
Textures, Second Alpha Argument
The first alpha argument element defines the first argument for the alpha 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
3 texture factor
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 alpha argument is 2 (a texture) in all stages.

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