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Investigate performance of InverseLerp vs. smoothstep #115

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Delt06 opened this issue Jul 20, 2023 · 1 comment

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Enhancement Lighting/Shadows

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Delt06 commented Jul 20, 2023

InverseLerp might be faster than smoothstep due to simpler calculations.
Test how much it affects the default shader.
Make sure to avoid division in the main code path.
Compare visuals.
If visuals are that different, consider adding a multi compile option?

Delt06 added Enhancement Lighting/Shadows labels

Delt06 added this to the v0.6.0 milestone

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Delt06 commented Jul 20, 2023 •

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Baseline:

InverseLerp (no divisions): ~8.5% faster

Delt06 closed this as completed in

5548dd1

Delt06 mentioned this issue

Optimize the linear ramp even more (Iteration 2) #117

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