ocr: VIRGE Integrated 3D Accelerator sa mparparated 15.4.5 3D Graphics Drawing The S3dE Engine accelerates the drawing of 3DinOS and triangles. Toxturing of3Dtriangles and fogging and alphal blending of both 3D tines and 3D trianglesis also supported. This section describes the baslc 3D drawing capabilities and the register values required to generate the desired image. Programming code is quite complex for 3D operations and wili be provided by S3 to customers desiring to creato cusiom drivers, 15.4.5.1 3D Line Drawing 3D line drawing is very similar to 2D line drawing except: There Is al thlrd (ZI ...