Table of Contents
Triangle Rasterization, Setup
Recall Major Pipeline Sections
Triangle Definitions
Compute Slopes, lines
View Triangle as two subtriangles
Rasterization Algorithm
What is DoSpan?
Major Edge can be on Right Side
Actual Algorithm Code a bit more complex
What about Z?
Incremental Method
What are A, B, C values?
What are A, B, C ? (cont)
dz/dx, dz/dy
New Z value when Scanline++
What about R,G,B,A Interpolation?
Derivatives Summary
1/C Calculation
Adjusting to Pixel Centers
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Author: Bob Reese
Email: reese@erc.msstate.edu
Home Page: http://www.erc.msstate.edu/~reese
Download presentation source
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