Technical Description; Rasterization Accelerator Features - Intergraph RealiZm Graphics Z10 Hardware User's Manual

4 Technical Description

This chapter provides a technical description of the RealiZm graphics accelerators and the
optional Geometry Accelerator.

Rasterization Accelerator Features

RealiZm graphics accelerators include advanced features to accelerate the rasterization of
computer graphics and enhance visual impact. The integrated Z10, Z13, Z25, and V25
rasterization accelerators comprise a Peripheral Component Interconnect (PCI) Bus Interface,
Graphics Engine, Texture Processor, and Frame Buffer.
The PCI Bus Interface features:
u
PCI compatible bus interface
u
High-speed direct memory access (DMA) engine
u
Interface for Geometry Accelerator (Z13, Z25, and V25)
The Graphics Engine features:
u
High-level vertex interface
u
Gouraud shading support
u
Symbolized vector support
u
Antialiased vector support
u
Sub-pixel accuracy
u
Window clipping (Z13, Z25, and V25)
The Texture Processor features:
u
Advanced texture processor hardware
u
Texture memory
u
MIP-mapping support with trilinear interpolation
33