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Exploring software rendering like Marathon
Posted By: Fart FeelingsDate: 8/15/26 4:50 a.m.

I've built a software renderer just to see what it was like.

It's different from original Marathon with triangles and the great use of rectangles as portals.

I need to know if original Marathon had overdraw.

Assuming it used the Painter's Algorithm then it does have overdraw and clipping windows limited spans to a rectangle to reduce overdraw then the near polygons drew over the far polygons.

I guess.

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Replies:

Exploring software rendering like MarathonFart Feelings 8/15/26 4:50 a.m.
     Re: Exploring software rendering like MarathonBo Lindbergh 8/15/26 11:01 a.m.
           Re: Exploring software rendering like MarathonFart Feelings 8/16/26 3:03 a.m.

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