David Williams
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887ecc1aaa
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Adding test to measure voxel access times when sampling the volume randomly.
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2015-04-10 16:09:35 +02:00 |
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David Williams
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a2fe1944af
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Initial work on replacing std::unordered_map with a specialized hash table for looking up chunks based on their 3D position.
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2015-04-09 23:44:25 +02:00 |
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David Williams
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27a59f34bc
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Merge branch 'feature/morton-encoding' into develop
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2015-04-05 17:44:27 +02:00 |
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David Williams
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4c24d61408
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Added another function for backwards compatibility.
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2015-04-05 12:03:12 +02:00 |
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David Williams
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c887d1444f
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Added utility function for people who already have data in linear order, to convert it to Morton order.
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2015-04-05 10:14:25 +02:00 |
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David Williams
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d521b08cf9
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Added comment.
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2015-04-04 09:57:31 +02:00 |
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David Williams
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dec06bcfe4
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Added caching of variable.
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2015-04-04 09:49:12 +02:00 |
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David Williams
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77db90ac30
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Removed unneeded variable.
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2015-04-04 09:42:46 +02:00 |
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David Williams
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0d36c416f2
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Tidied up macros.
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2015-04-04 09:18:51 +02:00 |
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David Williams
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3ca0222b19
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Applied simplified test when going in the negative direction as well.
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2015-04-04 00:08:20 +02:00 |
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David Williams
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d1bcaec2c5
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This commit knocks about 30% off the run time of the sampler tests by using a more efficient check for whether we are near the edge of the chunk.
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2015-04-02 23:11:19 +02:00 |
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David Williams
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d41a7d2747
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Removed redundant samplers.
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2015-04-02 21:35:50 +02:00 |
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David Williams
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135aa96bdf
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Further fixes for move...() functions.
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2015-04-01 23:34:57 +02:00 |
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David Williams
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056cae39b5
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Fixed sampler move...() functions to work with Morton ordering.
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2015-04-01 22:57:22 +02:00 |
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David Williams
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b518978cd6
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Enlarged lookup tables to 256 elements.
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2015-04-01 22:34:42 +02:00 |
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David Williams
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65f39e7b57
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Made the values signed ints, as otherwise the casting was doing something strange on 64-bit systems.
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2015-04-01 16:29:19 +02:00 |
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David Williams
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5d220c5d57
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Added extra lookup tables to avoid the need to multiply y/z deltas by 2/4 each time.
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2015-03-31 23:58:01 +02:00 |
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David Williams
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60612c5583
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Implemented use of delta for the rest of the peek functions.
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2015-03-31 19:55:22 +02:00 |
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David Williams
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afd0650230
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Implemented peeking in positive x and negative x directions using Matt's delta lookup table.
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2015-03-31 16:33:56 +02:00 |
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David Williams
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120b8e84cc
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Added position in chunk and pointer to current chunk data to sampler.
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2015-03-30 23:33:51 +02:00 |
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David Williams
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d34c1d227c
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Merge branch 'develop' into feature/morton-encoding
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2015-03-30 15:38:34 +02:00 |
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David Williams
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5847219331
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Fixed bug with chunk timestamp not being updated.
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2015-03-30 15:36:28 +02:00 |
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David Williams
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b415e5c5f3
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calculateAmbientOcclusion() now works with both RawVolume and PagedVolume.
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2015-03-30 11:44:25 +02:00 |
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David Williams
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d000616d3e
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Revert "Ambient occlusion test now uses RawVolume, as it need a fixed size volume to create a temporary array."
This reverts commit 396d1cfc59.
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2015-03-30 11:24:48 +02:00 |
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David Williams
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413bb95b1a
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Passing parameter as const ref.
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2015-03-30 11:01:08 +02:00 |
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David Williams
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7f96005985
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Commented out optimized path in sampler as it doesn't work now that we are using Morton ordering for the data in chunks. However, we can probably reinstate such a fast path if we give some thought as to how it should be done.
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2015-03-29 09:58:28 +02:00 |
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David Williams
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d3b2dab1ac
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Switched to using lookup tables for Morton encoding.
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2015-03-29 00:17:27 +01:00 |
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David Williams
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d99ed5e624
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Implemented morton encoding using standard bit-twidling approach.
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2015-03-28 09:46:05 +01:00 |
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David Williams
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1c17a7147b
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Made test do 10 times more iterations.
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2015-03-28 08:42:06 +01:00 |
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David Williams
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9256f3deb5
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Fixed compile warning.
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2015-03-27 21:23:31 +01:00 |
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David Williams
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322bedc009
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Improved test for PagedVolume::Chunk performance.
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2015-03-26 23:45:01 +01:00 |
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David Williams
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1d24b189ca
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Refactoed test code.
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2015-03-25 17:12:11 +01:00 |
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David Williams
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931c6cd3ec
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Added tests for chunk performance.
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2015-03-25 16:40:05 +01:00 |
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David Williams
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6516c00e62
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Merge branch 'feature/optimize-paged-volume' into develop
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2015-03-21 16:30:07 +01:00 |
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David Williams
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3facd4df41
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Removed commented out code.
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2015-03-21 16:27:43 +01:00 |
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David Williams
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d6c708f869
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Merge branch 'develop' into feature/optimize-paged-volume
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2015-03-21 16:24:46 +01:00 |
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David Williams
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b027cf1a0c
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Moved common code into function.
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2015-03-21 16:22:23 +01:00 |
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David Williams
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778238d11d
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Moved the test for whether we are accessing the same voxel as last time.
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2015-03-21 14:57:48 +01:00 |
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David Williams
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d477bec540
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Revert "Replaced Vector3D with integer as key to map."
This reverts commit e82d6beca1.
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2015-03-21 14:41:15 +01:00 |
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David Williams
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672c375a7a
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Revert "Work on using a bitfield to set up chunk key."
This reverts commit 8bd8f8ba7a.
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2015-03-21 14:41:10 +01:00 |
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David Williams
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5fc0317260
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Revert "Added typedef for chunk key type."
This reverts commit 6419c5827b.
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2015-03-21 14:41:04 +01:00 |
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David Williams
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92eaaae765
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Revert "Decided to always use a 64-bit chunk key, rather than trying to make it configurable."
This reverts commit 69f6f4ac37.
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2015-03-21 14:40:57 +01:00 |
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David Williams
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ceeb8f70ce
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Revert "Going back to building key by shifting instead of using bitfield."
This reverts commit 0d638f9837.
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2015-03-21 14:40:49 +01:00 |
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David Williams
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0c619ebec7
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Revert "Added typedef for ChunkKey."
This reverts commit 905ec27f47.
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2015-03-21 14:40:30 +01:00 |
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David Williams
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f574563672
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Revert "New, safer method of packing which makes careful use of casting to avoid problems with e.g. signed integer sign extension."
This reverts commit fd451be2dd.
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2015-03-21 14:40:11 +01:00 |
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David Williams
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fd451be2dd
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New, safer method of packing which makes careful use of casting to avoid problems with e.g. signed integer sign extension.
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2015-03-21 08:48:45 +01:00 |
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David Williams
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905ec27f47
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Added typedef for ChunkKey.
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2015-03-21 08:12:02 +01:00 |
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David Williams
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0d638f9837
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Going back to building key by shifting instead of using bitfield.
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2015-03-21 08:05:58 +01:00 |
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David Williams
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0e995b5140
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Fixed some compiler warnings.
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2015-03-21 07:40:32 +01:00 |
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David Williams
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69f6f4ac37
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Decided to always use a 64-bit chunk key, rather than trying to make it configurable.
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2015-03-20 23:09:38 +01:00 |
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