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Mesh: Add viewport normals simplify option #5

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Hans Goudey wants to merge 1 commits from mesh-normals-simplify-option into refactor-mesh-corner-normals-lazy
pull from: mesh-normals-simplify-option
merge into: HooglyBoogly:refactor-mesh-corner-normals-lazy

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Conversation 1 Commits 1 Files Changed 8 +24 -7

1 Commits

Author SHA1 Message Date
Hans Goudey
15143b0eb1 Mesh: Add viewport normals simplify option 
Before #108014, toggling "Auto Smooth" was an easy way to disable
evaluation of custom normals and face corner normals for faster
viewport playback performance. Now that corner normals are calculated
automatically as necessary, it's helpful to still have a way to disable
expensive normal computation for faster playback.

This commit adds a "Normals" scene simplify setting. To avoid a bunch
of complexity, it just influences which normals are requested from the
object by viewport rendering. In my tests, skipping calculating at
least doubled viewport FPS in a few test files with a large mesh with
custom normals. This works well because normals are cached and lazily
calculated.
 2023-09-29 14:39:48 -04:00