Field Name Bits Default Description RGB0_SHADING 1:0 0x0 Specifies solid, flat or Gouraud shading. POSSIBLE VALUES: 00 - Solid fill color 01 - Flat shading 02 - Gouraud shading ALPHA0_SHADING 3:2 0x0 Specifies solid, flat or Gouraud shading. POSSIBLE VALUES: 00 - Solid fill color 01 - Flat shading 02 - Gouraud shading RGB1_SHADING 5:4 0x0 Specifies solid, flat or Gouraud shading. POSSIBLE VALUES: 00 - Solid fill color 01 - Flat shading 02 - Gouraud shading ALPHA1_SHADING 7:6 0x0 Specifies solid, flat or Gouraud shading. POSSIBLE VALUES: 00 - Solid fill color 01 - Flat shading 02 - Gouraud shading RGB2_SHADING 9:8 0x0 Specifies solid, flat or Gouraud shading. POSSIBLE VALUES: 00 - Solid fill color 01 - Flat shading 02 - Gouraud shading ALPHA2_SHADING 11:10 0x0 Specifies solid, flat or Gouraud shading. POSSIBLE VALUES: 00 - Solid fill color 01 - Flat shading 02 - Gouraud shading RGB3_SHADING 13:12 0x0 Specifies solid, flat or Gouraud shading. POSSIBLE VALUES: 00 - Solid fill color 01 - Flat shading 02 - Gouraud shading ALPHA3_SHADING 15:14 0x0 Specifies solid, flat or Gouraud shading. POSSIBLE VALUES: 00 - Solid fill color 01 - Flat shading 02 - Gouraud shading PROVOKING_VERTEX 17:16 0x0 Specifies, for flat shaded polygons, which vertex holds the polygon color. POSSIBLE VALUES: 00 - Provoking is first vertex 01 - Provoking is second vertex 02 - Provoking is third vertex 03 - Provoking is always last vertex