A Closer Look at Pixel Operations

4/7/98

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Table of Contents

A Closer Look at Pixel Operations

Fixed Point vs Floating Point

Fixed Point Calculations

Saturating Adder (8 bit, unsigned)

Saturating Adder (8 bit, signed)

Saturating Multiplication

Fog Computation

Multiplication by 1.0

How costly is Fog?

Fog Factor computation

ALU For blending Operations

Antialiasing (cont)

Depth Test (Z-test)

Next will talk about the pixel operations dealing with Texture mapping

Author: Bob Reese

Email: reese@erc.msstate.edu

Home Page: http://www.erc.msstate.edu/~reese

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