Pixomatic is our advanced software rasterizer for x86 PCs. Two versions of Pixomatic available for licensing: Pixomatic 2 and Pixomatic 3.

Pixomatic 3 is a drop-in DX9 class software rasterizer with all the bells and whistles, from full support for both Shader Model 2.0 and 3.0 pixel and vertex shading to anisotropic texture filtering to stencil buffers to per-pixel mipmapping, in both 32- and 64-bit versions.

Pixomatic 2 is directly comparable to a high-end DX7-class graphics accelerator in terms of features, and performs high-quality rendering on any x86-compatible Windows or Linux machine that supports MMX. It does two-texture multitexture, Gouraud, specular, fog, alpha testing, alpha blending, 16- and 24-bit z, bilinear filtering, texture transforms, and projected textures. It handles transformation, clipping, and projection of trilists, tristrips, trifans, quadlists, polygons, pointsprites, linelists, and linestrips, drawn through begin/end primitives or indexed or non-indexed streams. It performs perspective-correct rasterization, with per-triangle mipmapping, subpixel and subtexel accuracy, and 32-bit color depth. It clears, fills, copies, stretches, antialiases, and dithers. And while it's nowhere near as fast as the latest consoles and 3D cards, it's fast enough to run Quake II at 28 fps on a PIII/733 MHz, 67 fps on a P4/2.2 GHz, and 108 fps on a P4/3.3 GHz.

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• Michael Abrash

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