typedef enum _D3DCOLORMODEL {
D3DCOLOR_MONO = 1,
D3DCOLOR_RGB = 2,
} D3DCOLORMODEL;
Defines the color model that the system will run in.
Use a monochromatic model (or ramp model). In this model, the blue component of a vertex color is used to define the brightness of a lit vertex.
Use a full RGB model.