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Use Manifold for much faster & multithreaded CSG & minkowski operations #4533

Merged
merged 9 commits into from
Mar 18, 2023
Merged

Use Manifold for much faster & multithreaded CSG & minkowski operations #4533

merged 9 commits into from
Mar 18, 2023
+1,421 −71

Commits on Mar 18, 2023

  1. [manifold] Extract GeometryUtils::getResizeTransform from PolySet

    @ochafik
    ochafik committed Mar 18, 2023
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  2. [manifold] Prepare for Intel/OneTBB dependency + python3

    @ochafik
    ochafik committed Mar 18, 2023
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  3. [manifold] Add manifold as git submodule & cmake subproject

    @ochafik
    ochafik committed Mar 18, 2023
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  4. [manifold] Parallel utils that uses TBB if enabled (env OPENSCAD_NO_P… 

    …ARALLEL=1 forces serial)
    @ochafik
    ochafik committed Mar 18, 2023
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  5. [manifold] Add ManifoldGeometry as a Manifold wrapper, handle it ever… 

    …ywhere a Geometry can land.
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    ochafik committed Mar 18, 2023
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  6. [manifold] Add ManifoldUtils w/ creation from geom, polyset, (double)… 

    … surface mesh
    @ochafik
    ochafik committed Mar 18, 2023
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  7. [manifold] Add applyOperator3DManifold, call it from GeometryRenderer… 

    … when --enable=manifold
    @ochafik
    ochafik committed Mar 18, 2023
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  8. [manifold] Parallel minkowski + Nef fallback. 

    Ported from applyMinkowskiManifold w/ a few notable differences
- Pre-converted points instead of re-extracting and converting them over and over in the cross-product of parts phase
- Partially-parallel operand decomposition (2 at a time), parallel parts cross-products
- Surface mesh for hulls (conversion of api from polyhedron looks weird, but is mechanical, e.g. `h->next_on_vertex()` becomes `mesh.opposite(mesh.next(h))`)
    @ochafik
    ochafik committed Mar 18, 2023
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  9. [manifold] --enable=manifold for all tests except breakages; also spl… 

    …it expectations for green faces
    @ochafik
    ochafik committed Mar 18, 2023
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