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path: root/libdimension/prtree.c
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* Clean up PR-tree intersection code.Tavian Barnes2011-11-021-24/+23
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* Rename dimension-impl.h to dimension-internal.hTavian Barnes2011-08-251-1/+1
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* Wrap pthread API to reduce duplicated error tests.Tavian Barnes2011-08-021-21/+8
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* Add leopard pigment.Tavian Barnes2011-07-281-1/+1
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* Vast libdimension API and internals improvements.Tavian Barnes2011-06-131-3/+3
| | | | | Couldn't really do these while I was trying to be POV-Ray compatible, 'cause they would've broken compatibility.
* Add basic leak check.Tavian Barnes2011-05-161-1/+1
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* Fix crash when deleting unused prtree caches.Tavian Barnes2011-05-111-12/+17
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* prtree.c code cleanup.Tavian Barnes2011-05-111-8/+8
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* Use arrays for PR-tree construction instead of lists.Tavian Barnes2011-05-101-133/+115
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* Plug memory leak caused by prtree caching.Tavian Barnes2011-05-101-15/+57
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* Make dmnsn_new_prtree() more scalable.Tavian Barnes2011-05-091-372/+223
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* Cache previous intersections in dmnsn_prtree_intersection().Tavian Barnes2011-04-201-2/+65
| | | | | Due to geometric locality of rays, this provides a very large speedup for most scenes.
* Shrink the dmnsn_optimized_line type.Tavian Barnes2011-04-171-9/+9
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* Don't use awkward (*fptr)() syntax.Tavian Barnes2011-04-031-12/+12
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* Update email address.Tavian Barnes2011-03-081-1/+1
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* Bump DMNSN_PRTREE_B to 8.Tavian Barnes2011-03-081-1/+1
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* New DMNSN_HOT macro.Tavian Barnes2011-03-081-2/+2
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* Fix license years.Tavian Barnes2011-02-171-1/+1
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* Flatten the pre-order traversal of the PR-tree for better cache locality.Tavian Barnes2011-02-091-108/+127
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* Fix constness for dmnsn_list_comparator_fn.Tavian Barnes2010-11-281-13/+25
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* End sentences with periods.Tavian Barnes2010-11-151-1/+1
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* Document libdimension with Doxygen.Tavian Barnes2010-11-141-12/+33
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* Factor out transformation code from object callbacks.Tavian Barnes2010-11-061-4/+4
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* Slight ray-AABB intersection test optimization.Tavian Barnes2010-11-021-1/+1
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* Add dmnsn_free() to match dmnsn_malloc().Tavian Barnes2010-09-261-3/+3
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* Optimize PR-tree construction a bit.Tavian Barnes2010-08-011-7/+5
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* Fix PR-tree implementation.Tavian Barnes2010-08-011-13/+14
| | | | Grab priority leaves all at once instead of round-robin.
* Fix some -W{strict,missing}-prototypes warnings.Tavian Barnes2010-07-311-1/+1
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* Move test outside of loop in dmnsn_prtree_intersection_recursive().Tavian Barnes2010-07-201-7/+13
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* Make DMNSN_PRTREE_B and internal types local to prtree.c.Tavian Barnes2010-07-181-1/+13
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* Remove degeneracy test from ray-box intersections.Tavian Barnes2010-07-181-17/+25
| | | | | To avoid testing degenerate boxes, set prtree->root to NULL when the tree contains no bounded objects.
* Add descriptive comment to new branchless ray-AABB intersection tests.Tavian Barnes2010-07-151-0/+9
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* Remove some unneeded tests from ray-AABB intersection tests.Tavian Barnes2010-07-151-43/+28
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* Clean up optimized ray-AABB intersection code a bit.Tavian Barnes2010-07-151-21/+29
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* Precalculate 1.0/ray.n.{x,y,z} for ray-box intersection tests.Tavian Barnes2010-07-141-12/+17
| | | | This saves us nearly a factor of 2, and I feel silly for not doing this before.
* Rename dimension_impl.h to dimension-impl.h.Tavian Barnes2010-07-141-1/+1
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* Save some degeneracy tests in ray-AABB intersection tests.Tavian Barnes2010-07-091-16/+14
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* Make dmnsn_ray_box_intersection() return false for zero boxes.Tavian Barnes2010-07-031-3/+3
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* New dmnsn_bounding_box_is_infinite() predicate.Tavian Barnes2010-06-061-1/+1
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* Don't use an anonymous union in prtree.c.Tavian Barnes2010-06-061-25/+25
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* New bounding box special constructors.Tavian Barnes2010-06-061-28/+14
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* New dmnsn_prtree_inside() function, rename dmnsn_prtree_search().Tavian Barnes2010-06-061-6/+46
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* Add children to dmnsn_objects, which enables splitting unions.Tavian Barnes2010-06-051-1/+25
| | | | Also, use PR-trees for unions internally.
* Precompute objects in dmnsn_raytrace_scene() rather than dmnsn_new_prtree().Tavian Barnes2010-05-301-11/+0
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* Slight prtree search optimization.Tavian Barnes2010-05-291-5/+5
| | | | Exploit floating-point infinities to eliminate special t < 0.0 condition.
* Store the bounding boxes of child PR-tree nodes in the parent.Tavian Barnes2010-05-201-56/+63
| | | | This improves cache locality and is good for about a 10% performance boost.
* Write some more docs, and fix a couple things noticed while writing them.Tavian Barnes2010-05-101-2/+2
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* New DMNSN_ARRAY_FOREACH() macro, faster than iterating with dmnsn_array_get().Tavian Barnes2010-05-081-9/+4
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* Handle degenerate cases in ray/box intersections.Tavian Barnes2010-05-081-1/+10
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* Fix argument to malloc().Tavian Barnes2010-05-071-1/+1
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