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6 commits

Author SHA1 Message Date
Raph Levien 0ed759814b Smarter line segment coverage 
Compute tile coverage of segments using optimized algorithm. This
algorithm does a bit of setup, then uses an efficient formula to
compute the span per scan-line.
 2020-05-19 09:26:44 -07:00
Raph Levien 9bb06ec340 Correct rendering (on Intel) 
Handle multiple passes in coarse raster. Doesn't work on NV, WIP to
find out why.
 2020-05-16 06:43:31 -07:00
Raph Levien 868b0320a4 Render strokes 
As of this point, it mostly renders stroke outlines for tiger. Some
dropouts are because the scan in the elements pass doesn't do lookback
yet, others are probably a bug.
 2020-05-15 17:38:17 -07:00
Raph Levien 3a6428238b Start writing tiles 
This is the first checkpoint where it actually runs a pipeline end to
end, though it's far from accurate.
 2020-05-15 14:31:52 -07:00
Raph Levien 06cad48dca Start output stage in coarse pass 
Still very much WIP but it's progress.
 2020-05-14 17:27:18 -07:00
Raph Levien cc89d0e285 Starting coarse rasterizer 
Working down the pipeline.

WIP
 2020-05-13 21:39:47 -07:00