Field Name Bits Default Description CULL_FRONT 0 0x0 Enable for front-face culling. POSSIBLE VALUES: 00 - Do not cull front-facing triangles. 01 - Cull front-facing triangles. CULL_BACK 1 0x0 Enable for back-face culling. POSSIBLE VALUES: 00 - Do not cull back-facing triangles. 01 - Cull back-facing triangles. FACE 2 0x0 X-Ored with cross product sign to determine positive facing POSSIBLE VALUES: 00 - Positive cross product is front (CCW). 01 - Negative cross product is front (CW).