User Guide

Hardware Functional Overview
4-8 FIC A985 Service Manual
− Built-in hardware stereo auto rendering engine
− Supports Ultra-AGPIITM with 2GB/s bandwidth
− Up to 143 MHz 3D engine clock speed
− Peak polygon rate: 10M polygon/sec @ 1 pixel/polygon with Gouraud shaded,
point-sampled, linear and bilinear texture mapping
− Peak fill rate: 286 M pixel/sec, 572 M texture/sec @ 10,000 pixel/polygon with
Gouraud shaded and two bilinear textured, Z buffered and alpha blended
• Built-in a high quality 3D engine
− Supports flat, and Gouraud shading
− Supports high quality dithering
− Supports Z-test, stencil test, Alpha-test, and scissors clipping test
− Supports 16 ROPs
− Supports Z-buffer, stencil buffer
− Supports 16/24/32 bits integer Z buffer format and 32 bits floating point Z format
− Supports 16/32 BPP render buffer format
− Supports 1/2/4/8 stencil buffer format
− Supports per-pixel texture perspective correction
− Supports point-sampled, linear, bi-linear, and dual bi-linear texture filtering
− Supports up to 2 pixels with 4 bi-linear texels within single cycles
− Supports up to 2048x2048 texture size
− Supports rectangle structure texture
− Supports 16/24/32 bpp RGB/ARGB texture format
− Supports DTX1, DTX2, DTX3 texture compression formats
− Supports texture transparency, blending, wrapping, mirror, and clamping
− Supports fogging, alpha blending
− Supports vertex fogging and fog table
− Supports specular lighting
− Supports 2X/4X multi-sampling full scene anti-aliasing
− Supports back face culling
− Supports auto-stereo rendering
High Performance 2D Accelerator
• Built-in 128 double-words hardware command queue
• Built-in Direct Draw Accelerator
• Built-in GDI+ Accelerator
• Built-in an 1T pipelined 128-bit BITBLT graphics engine with the following functions:
− 256 raster operations
− Rectangle fill
− Trapezoid fill
− Color expansion (by 384 patterns registers)
− Enhanced color expansion
− Line-drawing with styled pattern
− NT fractional point line-drawing with styled pattern
− Multiple scan line
− Built-in 256 bytes pattern registers
− Built-in 8x8 mask registers
− Rectangle clipping
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