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This gives a huge speedup gain for cases when you've got
rather huge markers on a byte images.
Done by skipping IMB_float_from_rect()/IMB_rect_from_float()
for such cases. We can sample the buffers without color space
conversion.
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This was a nasty bug which was caused by specific of how face-edge
attributes are stored in Carve.
Face pointer is used in the map key which works just fine in all
cases except for the cases when some face is getting freed after
it was stored in the map.
This might give real issues when new face is allocating because
it's possible new face would have the same address as the freed
one.
Such cases used to happen when union of separate manifolds is
needed for the operands AND jemalloc is enabled.
Solved by dropping attributes for the freed faces from the map.
Maybe not the fastest ever approach, but not sure how to make
it faster actually. Should work just fine. It only happens for
complex setups with intersecting manifolds in the operands.
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-ffast-math is evil, not sure why it was enabled...
I seems to work better on OSX but it's still not a good idea.
The SConscript for bullet is a mess, I don't understand why
we use different flags for different platforms in the first place.
Seems to be a historical artifact but I don't know enough about scons
to try and clean it up.
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Redundant decrement was crashing for systems which didnt optimize it out.
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Based on D420
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Stupid vector initialization error.
Should be in 'a'.
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check with a generalized macro.
rBbbfcb0b1e44636b73b8c46f1cb800fa53dda5277
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Using unordered_map and unordered_set C++ container types currently
requires careful testing or usage of boost, due to the various confusing
C++ version differences in include paths and namespaces.
Libmv defines tests for these cases in cmake and scons, such that ceres
can use any available implementation, or fall back too std::map/std::set
if none can be found.
This patch generalizes this buildfile code by providing a Blender macro.
* cmake: defines both the variables used by libmv at them moment as well
as 2 variables UNORDERED_MAP_INCLUDE_PREFIX and UNORDERED_MAP_NAMESPACE,
which can later be used in other C++ parts for convenience.
* scons: adds a tool script returning the include prefix and namespace.
Libmv checks these to define the appropriate definitions for ceres.
Differential Revision: https://developer.blender.org/D425
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spelling
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Main purpose of this is to have SparseLU solver which
we can use now as a replacement to opennl library.
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Just update to the changelog
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This is mainly a maintaince commit which syncs changes
between Blender and Libmv upstream also bringing new
GLog version.
This GLog version is presumably have better support of
MinGW from "the box".
This commit is also aimed to make further 3d part libs
update easier.
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bullet, according cmake ( less speed penalty )
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stricter to reduce speed penalty
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This re-applied patch from 25cbd13 which was lost at some point
since missing patchset in series.
This revision is to be back-ported to the final release.
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In fact we had this change a while ago, not sue what happened.
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I overlooked in cmake my fix same time changed the optimization level to 0,
so not use optimization is the real fix ( postponed for after 2.70 ).
I appears we should investigate scons anyway: compileflags does not apply to c and c++ same time as expected.
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This was caused by static variables used in plNearestPoints().
For now solved by making the solvers allocated in the stack,
seems no noticeable affect on the simulation speed so far.
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CXXFLAGS start empty also in “Release”
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are in sync for OSX
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also remove gcc 4.6 workaround, i don’t think its needed any longer.
!!! pls check if this would be right thing todo for othere OS too !!!
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Also added a patchset for Carve's memory leak fix.
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There were loads of issues in the code still which are mow likely fixed:
- Hole resolver hook had memory leak -- it didn't free face with holes
when triangulating it.
- Original edge mapping didn't work correct. old code related on the fact
that loop order is not changing when constructing the MeshSet class, but
in fact it does change.
Currently used edge map for this because it was easiest way to do it now,
but after the release we're to change it. Main reason is that face mapping
is not correct as well (and it was never correct actually). So we'll need
to construct Mesh structures by our own to be sure we're using correct
original index mapping.
- Carve might produce faces with ears, which is forbidden in Blender.
it wasn't an issue in old integration because triangulation will remove
the ears. So for now simply added ears removing back as a hook.
But actual reason of the ears is to be investigated really.
This hook will only work for NGons, quads are assumed not be able to
have ears. So this additional hook shouldn't slow down things much.
- Carve's hole resolver produces duplicated faces in some cases. Still not
sure what is the reason of this. Code here is not so much straightforward,
this is to be investigated later.
For now solved the issue as own hole resolver which checks for duplicated
faces after the hole resolving.
The additional checks here will only run if the mesh actually have hole
and wouldn't introduce slowdown for faces which doesn't have holes.
- Made it so if edge user triangulation gets a split (for example, in cases
when this edge intersects with the second operand) it wouldn't be dissolved.
This prevents cases of crappy topology after dissolving in several cases.
- Edge dissolver didn't check for whether edge is a non-manifold. We couldn't
really dissolve open manifold edges.
The bad thing about this is that mesh triangulation might produce non-manifold
edges and they wouldn't be dissolved. Not worst case in the world, but would
be nice to have it solved somehow.
- Exporting mesh form Carve to Blender might have produced duplicated edges
in cases when several non-manifold faces shared the edge. This is also fixed
now.
- Mesh triangulation might have produced duplicated faces, which is really bad.
Fixed by keeping a track on which faces we've created and skipping adding new
triangle if we already have one.
This all might introduce some slowdown, but we're too close to the release now,
so would rather have it slower but robust. After the release we might look into
ways to speed things up.
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This is needed to minimize their reprojection error over the footage.
Without this extra step positions of such tracks were calculated by
algebraic intersection code only, which doesn't give best precision.
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Avoid zero-sized problem when doing euclidean intersection
Zero-sized problem might occur when intersecting track with
constant zero weight. For such tracks we'll just use result
of algebraic intersection.
TODO: We probably need to have a separate BA step to adjust
positions of tracks with constant zero weight.
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It doesn't make sense to use zero-weighted tracks as a correspondences
in keyframe selection.
Such tracks are not guaranteed to be tracked accurately because their
purpose is to add reference points in 3D space without affecting the
solution.
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This gives much worse results on mango footage (see 04_2e)
so disabling for now for until proper prediction model is landed.
The thing is, currently blender sends input coordinates as the guess to
region tracker and in case of fast motion such an early out ruins the track.
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So don't forget to update generator scripts as well.
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This commit implements dissolving of edges which were used
to triangulate non-flat faces. This slows things down a bit
(around 5% on heave mesh with all faces triangulated).
We could improve speed of dissolve a bit here (so not a bell
to add an option for triangulation yet).
Also fixed wrong edge origindex mapping.
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Don't cache these variables as they are not cleared on such changes.
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Simple fix -- use CarveHoleResolver hook for CSG which will split faces
containing holes.
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Own mistake in edges carve->blender export, didn't count them correct.
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Patch by wutzi (Benedikt Bergenthal), thanks!
Reviewers: sergey
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D314
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Goal of this commit is to support NGons for boolean modifier
(currently mesh is being tessellated before performing boolean
operation) and also solve the limitation of loosing edge custom
data layers after boolean operation is performed.
Main idea is to make it so boolean modifier uses Carve library
directly via it's C-API, avoiding BSP intermediate level which
was doubling amount of memory needed for the operation and which
also used quite reasonable amount of overhead time.
Perhaps memory usage and CPU usage are the same after all the
features are implemented but we've got support now:
- ORIGINDEX for all the geometry
- Interpolation of edge custom data (seams, crease)
- NGons support
Triangulation rule is changed now as well, so now non-flat
polygons are not being merged back after Carve work. This is
so because it's not so trivial to support for NGons and
having different behavior for quads and NGons is even more
creepy.
Reviewers: lukastoenne, campbellbarton
Differential Revision: https://developer.blender.org/D274
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FAST detector has been replaced with fancier Harris,
so no need to keep FAST library in the sources now.
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Currently no functional changes, but we might want
to have scoped_array in the future.
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Need to take weight into account when drawing per-frame track
reprojection curve and when computing per-track average error.
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