When the fractional part of a float fixes your shader

A write-up of a full shader debugging session to find out why my Voronoi Diagram shader was stuttering in one specific machine.
92 points by vinhnx 35 days ago crocidb.com 16 comments

Summary

A detailed account of troubleshooting a stuttering issue in a Voronoi Diagram shader reveals how a simple oversight with the fractional part of a float caused the problem. This session highlights the intricacies of shader debugging and offers insights for developers facing similar challenges.

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