6f043b575a
Implemented a basic memory arena in a sub-crate.
2017-04-09 15:53:06 -07:00
f6ffd8d30b
Fixed a typo in a comment.
2017-03-29 13:20:58 -07:00
7223f69151
Implemented a more efficient orthonormal basis function.
...
Algorithm taken from the paper "Building an Orthonormal
Basis, Revisited" by Duff et al.
2017-03-29 13:19:51 -07:00
4a86c4122a
Laying some groundwork for a simple shading system.
2017-03-14 00:27:25 -07:00
114f11c583
Fixed bug in GTRClosure that was resulting in all NaN outputs.
2017-03-12 00:33:36 -08:00
0b05d364e4
Added GTR surface closure.
...
Not tested yet, just a straightforward conversion from the C++
Psychopath codebase. So there are probably bugs in it from the
conversion. But it compiles!
2017-03-07 08:31:57 -08:00
3842a8a9a6
Updated crate dependencies.
2017-03-07 08:26:38 -08:00
db1ddeb64d
Updated .gitignore file.
2017-02-23 19:59:22 -08:00
f4445417dc
Reorganizing the module tree.
...
Enough things had accumulated that it seemed to make sense to
group some stuff together. So here it is.
2017-02-14 00:14:08 -08:00
d504ca5e6a
Got DistantDiscLights working! Yay!
...
This involved fixing a bug in PsychoBlend. It was including
translation in how it was transforming the sun lights' direction
vector.
2017-02-13 00:03:34 -08:00
3cbb816d4b
Added DistantDiskLight (a.k.a. sun light) parsing and data structures.
...
Also created a proper World struct in the process, to store all
infinite-extent type stuff.
Note that I goofed and did a new rustfmt pass but forgot to
commit before making these changes, so there's a lot of
formatting changes in this too. *sigh*
2017-02-12 20:29:08 -08:00
746b3b0c1f
Replaced try!() macros with new ? operator.
2017-02-06 16:20:58 -08:00
f1e558de05
Updated todo.
2017-02-06 16:08:52 -08:00
c3f3599c09
Added sun lamp exporting to PsychoBlend.
...
Psychopath does not yet use this info, however.
2017-02-06 16:06:55 -08:00
0e8d708ff0
Made samples per bucket configurable.
2016-10-16 14:55:00 -07:00
bb4e57795f
Added support for OpenEXR output.
2016-10-09 20:34:58 -07:00
0d189f763d
Changed LightTree traversal to be a bit better in its choices.
...
After some experimentation, it's pretty clear that the LightTree
performs a lot better with a model of spherical _volume_ light
sources. This makes sense considering that generally they
represent a distribution of other lights in space.
This is a quick hack to make it behave a bit more like that. But
the long-term solution will be to adjust how
estimate_eval_over_solid_angle() of surface closures is implemented.
2016-08-21 15:27:15 -07:00
7f1ab59c5e
Implemented alternative SAH split that uses off-axis split planes.
...
It doesn't seem to actually perform better, generally, but I'm
leaving it in for future reference for other things.
2016-08-21 15:26:47 -07:00
c71b00ca31
LightTree now works with lights in hierarchical instancing.
2016-08-21 00:19:43 -07:00
97b5ef77f8
Code cosmetics: organize and alphabetize crate/mod/use statements.
2016-08-20 18:10:55 -07:00
f75c0c78fe
Moved TransformStack into its own module.
...
It's clear at this point that it will be useful outside of Tracer.
2016-08-20 17:43:26 -07:00
c997c55739
Separate timing of rendering and image writing in print out.
2016-08-20 16:25:12 -07:00
cf49cdbb02
Moved int hash functions into own file, and use in quick_select().
2016-08-14 16:03:17 -07:00
fbeadfce29
Use quick select for balanced BVH building.
...
This gets rid of a crate dependency, and also is faster.
2016-08-14 00:51:21 -07:00
024ca560af
Minor optimization in the transform stack.
...
Got rid of the scratch space by writing directly into the main
stack vector when merging transforms. Involves a small bit of
unsafe code.
2016-08-06 01:51:20 -07:00
91d88cbdf9
Updated todo.
2016-08-03 20:20:32 -07:00
08576b9934
Cleaned up console output.
2016-07-31 12:27:06 -07:00
c6f6266a38
Added timer output so you can see how long things take.
2016-07-31 12:05:28 -07:00
024437c657
Updated todo.
2016-07-31 11:49:53 -07:00
d12b76a933
Minor tweak to horizontal add and multiply for Float4.
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In theory this should make it more pipeline-able.
2016-07-31 11:49:01 -07:00
b4939f88c8
Silence some warnings.
2016-07-31 11:19:30 -07:00
3e7b142cd8
Implemented light tree sampling, for better sampling of many lights.
2016-07-31 11:14:33 -07:00
1f94791b6b
Moved SAH splitting code into its own function.
...
This is in prep for the light tree, where we'll want to use that
code.
2016-07-30 21:20:01 -07:00
2b05f65024
Updated dependencies.
2016-07-30 20:23:20 -07:00
06b76ddb6c
Fixed bug in PsychoBlend.
...
On some systems Python would complain about the "progress"
variable being accessed without it existing yet. Weird. But
this fixes it.
2016-07-30 19:41:51 -07:00
7ef5846c89
Got rid of indexing into Float4 and 3d vector elements.
...
This assures correct semantics for SIMD usage.
2016-07-30 19:36:54 -07:00
378f69dd57
Render progress bar is now updated when rendering in Blender.
2016-07-21 23:45:42 -07:00
e4c94d0c58
Optional use of SIMD intrinsics, via feature in cargo.
...
This is disabled by default right now, because it only builds on
nightly.
2016-07-16 19:58:39 -07:00
4db96bc758
Use simple if-statement-based min/max functions in hot code.
...
Again, for whatever reason this is notably faster than the stdlib
min/max functions.
2016-07-16 17:55:18 -07:00
7401c6fb99
Use fast approximate exp functions for XYZ color curves.
...
This brings a significant performance improvement, and doesn't
appear to have any visual impact.
2016-07-16 17:53:50 -07:00
177bb95eff
Got rid of UnsafeCell in Tracer.
...
To do this, I moved the accel rays into an outer struct, which
then calls the main tracing code as an inner struct.
2016-07-16 16:26:34 -07:00
1571c1634e
Sped up min and max functions in Float4.
...
Turns out that the standard min/max functions were slow for
some reason, and simple if statements are much faster. This
simple change improves render times by over 30%. Crazy.
2016-07-16 15:56:14 -07:00
76f074f866
Added a TODO comment.
2016-07-16 15:10:07 -07:00
ec75f11206
Render buckets in hilbert curve order.
...
Provides a slight speed-up.
2016-07-16 14:53:03 -07:00
5bc97f69b8
Actually use the background color from the scene file.
2016-07-16 13:54:41 -07:00
8cd445813a
Removed some dead code.
2016-07-16 13:36:34 -07:00
9d47dfdeb2
Forgot one place where bounds need to be merged for motion blur.
2016-07-16 12:28:08 -07:00
2e3851837d
Implemented SAH splitting for the BVH. Also fixed crash bug.
...
The bug was in the previous commit, where I thought I was
preventing out-of-bounds access during traversal by limiting
the tree depth. While the idea was correct, I forgot that the
traversal stack needs _2_ extra slots on top of the tree depth,
not just 1. Fixed.
2016-07-16 03:21:57 -07:00
35ef58b09c
Special case BVH building when we get too close to max depth.
...
This avoids exceeding max BVH depth even in pathological cases.
Still need improve non-worst case building, but this at least
prevents crashes in worst case.
2016-07-16 00:05:23 -07:00
c372d485e2
Fix bug in PsychoBlend where render hangs.
...
This was because it was taking the standard input from Psychopath,
but was buffering it and not reading it. The percentage complete
printouts would fill the buffer in some cases, and cause the
process to not exit since not all stdout had been handled.
2016-07-10 19:31:26 -07:00
