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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.
* Clean up sphere intersection code a bit.Tavian Barnes2010-05-251-6/+6
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* Fix memory handling in dmnsn_new_thread().Tavian Barnes2010-05-211-1/+2
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* Store the bounding boxes of child PR-tree nodes in the parent.Tavian Barnes2010-05-202-60/+67
| | | | This improves cache locality and is good for about a 10% performance boost.
* New dmnsn_vector_element() function.Tavian Barnes2010-05-181-0/+25
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* Add a pkg-config file to libdimension.Tavian Barnes2010-05-132-0/+14
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* Don't attempt to use profile data for profiling build.Tavian Barnes2010-05-131-1/+1
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* Fix some copyright dates.Tavian Barnes2010-05-1036-36/+36
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* Write some more docs, and fix a couple things noticed while writing them.Tavian Barnes2010-05-104-7/+7
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* New dmnsn_new_thread() function.Tavian Barnes2010-05-096-174/+228
| | | | | | | Two advantages: first, waiters are guaranteed to wake if a dmnsn_error() cancels a thread. Second, the thread library is fully abstracted over by threads.{c,h} and progress.{c,h} now, though raytrace.c is still using pthread_create() directly.
* Clean up some unused variables.Tavian Barnes2010-05-092-4/+1
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* New DMNSN_ARRAY_FOREACH() macro, faster than iterating with dmnsn_array_get().Tavian Barnes2010-05-087-53/+48
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* Handle degenerate cases in ray/box intersections.Tavian Barnes2010-05-082-1/+19
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* Fix argument to malloc().Tavian Barnes2010-05-071-1/+1
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* Don't store unbounded objects (planes, etc.) in the PR-tree.Tavian Barnes2010-05-072-24/+94
| | | | | Keep them in a dmnsn_array* instead. This makes the tree better and saves us some search time.
* New dmnsn_array_from_list() function.Tavian Barnes2010-05-072-7/+24
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* Use C99 for loop initializers.Tavian Barnes2010-05-0512-99/+78
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* Optimize ray-AABB intersection tests a bit.Tavian Barnes2010-05-051-51/+29
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* Make dmnsn_new_prtree() handle empty scenes.Tavian Barnes2010-05-051-0/+6
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* Replace BVSTs with priority R-trees.Tavian Barnes2010-05-056-446/+606
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* Optimize cube intersection function a bit.Tavian Barnes2010-05-041-59/+82
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* Add dmnsn_{min,max}() inlines.Tavian Barnes2010-05-041-0/+14
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* Remove debugging code from dmnsn_list_sort().Tavian Barnes2010-05-031-8/+2
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* Fix list sorting.Tavian Barnes2010-05-012-9/+25
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* Implement list sorting.Tavian Barnes2010-04-302-18/+109
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* Use dmnsn_assert() for array and list range checks.Tavian Barnes2010-04-304-38/+19
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* Add a generic list type.Tavian Barnes2010-04-305-2/+244
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* Fix some includes.Tavian Barnes2010-04-2719-2/+19
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* Fix some spurious includes.Tavian Barnes2010-04-272-4/+3
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* Rename dmnsn_matrix_*_mul() to dmnsn_transform_*().Tavian Barnes2010-04-1710-38/+38
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* Don't render transparent shadows with transparency off.Tavian Barnes2010-04-171-1/+2
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* Fix canvas_pigments with negative coordinates.Tavian Barnes2010-04-151-7/+4
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* Add plane object.Tavian Barnes2010-04-153-0/+87
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* Support infinitely large bounding boxes.Tavian Barnes2010-04-152-10/+17
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* Add transformations to textures and pigments.Tavian Barnes2010-04-159-131/+149
| | | | | Also, object intersection callbacks are now responsible for handling their own transformations.
* New canvas pigment (image map).Tavian Barnes2010-04-133-0/+61
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* Remove a bunch of errno.h includes.Tavian Barnes2010-04-1319-19/+0
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* Fix low-quality renders.Tavian Barnes2010-04-111-0/+2
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* Get rid of some duplication in csg.c, and fix missed add of dmnsn_epsilon.Tavian Barnes2010-04-111-163/+23
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* Don't use dynamic memory for dmnsn_intersection's.Tavian Barnes2010-04-078-234/+224
| | | | Drops us from ~400,000 allocs to ~1000. Oops ><.
* Calculate CSG bounding boxes more accurately.Tavian Barnes2010-04-071-9/+3
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* New dmnsn_malloc() function, and friends.Tavian Barnes2010-04-0730-696/+411
| | | | | | I'm tired of checking for malloc failures everywhere, considering it never happens. So just bail out whenever it does. A lot of stuff is guaranteed to succeed if it returns now.
* Implement CSG differences in libdimension.Tavian Barnes2010-04-061-1/+139
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* Re-cast rays properly in intersections and merges.Tavian Barnes2010-04-061-9/+38
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* Add CSG merges to libdimension.Tavian Barnes2010-04-061-0/+125
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* Add CSG intersections to libdimension.Tavian Barnes2010-04-061-0/+125
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* Add CSG unions to libdimension.Tavian Barnes2010-04-064-0/+179
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* New dmnsn_bounding_box type.Tavian Barnes2010-04-067-104/+129
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* New dmnsn_vector_min() and _max() functions.Tavian Barnes2010-04-062-7/+22
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* Make inside_fn's return bool.Tavian Barnes2010-04-053-8/+10
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