Bounding volumn hierarchies

[sairutra]

https://raytracing.github.io/books/RayTracingTheNextWeek.html#boundingvolumehierarchies

[sairutra]

1. reduce struct to as small as possible
2. split bvh with SAH and ordered traversal
3. binned bvh
4. prep animated bvh
5. TLAS & BLAS TLAS & BLAS 2
6. [Consolidating] (https://jacco.ompf2.com/2022/05/13/how-to-build-a-bvh-part-6-all-together-now/)
7. [openCL] (https://jacco.ompf2.com/2022/06/03/how-to-build-a-bvh-part-9a-to-the-gpu/)

[sairutra]

book about bvh https://pbr-book.org/4ed/Primitives_and_Intersection_Acceleration/Bounding_Volume_Hierarchies

[sairutra]

article about obb with transformations https://onlinelibrary.wiley.com/doi/full/10.1111/cgf.14758

[sairutra]

object oriented bounding box https://mindkosh.com/blog/oriented-bounding-box-annotation-all-you-need-to-know/