@iquilezles What about conditions from sampled textures? If every pixel in a warp takes a different branch, ?: causes extreme divergence.

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• URL: https://x.com/charles_grassi/status/1888624348057006315
• Author: Charles Grassi (@charles_grassi)
• Posted: 2025-02-09 16:21:48

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1/ @charles_grassi

@iquilezles

What about conditions from sampled textures? If every pixel in a warp takes a different branch, ?: causes extreme divergence. Would mix() be better despite always computing both?

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• Spine: 2025-02-09-hey-dont-optimize-conditional-moves-with-mix-step