The idea is simple: when falling back to one of the nodes which was partially
handled we "resume" checking outgoing relations from the index which we stopped.
This gives about 15-20% depsgraph construction time save.
This is more proper way to go:
- Avoids re-compilation of all dependent files when implementation changes
without changed API,
- Linker should have much simpler time now de-duplicating and getting rid
of redundant implementations.
The idea here is to address issue that name on it's own is not
always unique: for example, when adding driver operations the
name used for nodes is the RNA path (and multiple drivers can
write to different array indices of the path). Basically, now
it's possible to pass extra integer value to distinguish
operations in such cases.
So now we've already switched from sprintf() to construct unique
operation name to pass RNA path and array index.
There should be no functional changes yet, but this work is
required for further work about replacing string with const
char*.
There is no real reason to have nodes storing heap-allocated name
and description. Doing this increases amount of allocations during
dependency graph building, which usually means somewhat slowness.
We're temporarily loosing some eyecandy in the graphviz visualizer,
but those we can bring back as a part of graphiz dump (which happens
much less often than depsgraph build).
This will happen in multiple commits for the ease of bisect in the
future just in case this causes any regression. This commit contains
ID creation API changes.
The issue was caused by image ID nodes not being in the depsgraph.
Now, tricky part: we only add nodes but do not add relations yet. Reasoning:
- It's currently important to only call editor's ID update callback to solve
the issue, without need to flush changes somewhere deeper.
- Adding relations might cause some unwanted updates, so will leave that for
a later investigation.
Animation system has separate fcurves for each of array elements and
dependency graph creates separate nodes for each of fcurve, This is
needed to keep granularity of updates, but causes issues because
animation system will actually write the whole array to property when
modifying single value (this is a limitation of RNA API).
Worked around by adding operation relation between array drivers
so we never write same array form multiple threads.
They were not real issues, it's just some areas of code tried to create
relations between non-existing nodes without checking whether such
relations are really needed.
Now it should be easier to see real bugs printed.
Hopefully should be no regressions here.
Do this for the new dependency graph: was missing handle of OB_UPDATE_TIME in tag update.
Hopefully it's all correct still.
Old dependency graph needs work, but i'm tempting to call it unsupported and move on
to 2.8 branch.
Was only happening with new dependency graph.
The issue here is that scene's depsgraph layers will be 0 unless
it was ever visible. Worked around by checking for 0 layer in the
update_tagged of new depsgraph. This currently kind of following
logic of visible_layers, but is weak.
Committing so studio is unlocked here, will re-evaluate this layer.
This was quite weak to consider all scripted expression to be time-dependent.
Current solution is somewhat better but still crappy. Not sure how can we make
it really nice.
This reverts commit 9444cd56db.
This commit caused some flickering in the bones when swapping IK to Fk.
While it's unclear why such change caused any regressions, let's revert
it to unlock the studio.
The idea of the change is to avoid queue growing too long
and handle all the operations as quick as possible.
Gives about 3% speedup on one of the barber shots here.
Current implementation more or less indiscriminately links physics
objects to colliders and forces, ignoring precise details of layer
checks and collider groups. The new depsgraph seemed to lack some
such links at all. The relevant code in modifiers suffers from a
lot of duplication.
Different physics simulations use independent implementations of
collision and similar things, which results in a lot of variance:
* Cloth collides with objects on same or visible layer with dupli.
* Softbody collides with objects on same layer without dupli.
* Non-hair particles collide on same layer with dupli.
* Smoke uses same code as cloth, but needs different modifier.
* Dynamic paint "collides" with brushes on any layer without dupli.
Force fields with absorption also imply dependency on colliders:
* For most systems, colliders are selected from same layer as field.
* For non-hair particles, it uses the same exact set as the particles.
As a special quirk, smoke ignores smoke flow force fields; on the other
hand dependency on such field implies dependency on the smoke domain.
This introduces two utility functions each for old and new depsgraph
that are flexible enough to handle all these variations, and uses them
to handle particles, cloth, smoke, softbody and dynpaint.
One thing to watch out for is that depsgraph code shouldn't rely on
any properties that don't cause a graph rebuild when changed. This
was violated in the original code that was building force field links,
while taking zero field weights into account.
This change may cause new dependency cycles in cases where necessary
dependencies were missing, but may also remove cycles in situations
where unnecessary links were previously created. It's also now possible
to solve some cycles by switching to explicit groups, since they are
now properly taken into account for dependencies.
Differential Revision: https://developer.blender.org/D2141
The first character of the ID type was used to tag IDs for updates which
is weak since different IDs can have the same first character (for
example meshes, materials and metaballs), causing unnecessary updates of
unrelated IDs.
Now we use a unique index per ID type to tag for updates, unifying IDs
arrays indexing along the way.
Reviewers: sergey, mont29
Differential Revision: https://developer.blender.org/D2139
All in all, this patch adds an Alembic importer, an Alembic exporter,
and a new CacheFile data block which, for now, wraps around an Alembic
archive. This data block is made available through a new modifier ("Mesh
Sequence Cache") as well as a new constraint ("Transform Cache") to
somewhat properly support respectively geometric and transformation data
streaming from alembic caches.
A more in-depth documentation is to be found on the wiki, as well as a
guide to compile alembic: https://wiki.blender.org/index.php/
User:Kevindietrich/AlembicBasicIo.
Many thanks to everyone involved in this little project, and huge shout
out to "cgstrive" for the thorough testings with Maya, 3ds Max, Houdini
and Realflow as well as @fjuhec, @jensverwiebe and @jasperge for the
custom builds and compile fixes.
Reviewers: sergey, campbellbarton, mont29
Reviewed By: sergey, campbellbarton, mont29
Differential Revision: https://developer.blender.org/D2060
This reverts commit 47d0d9cca4.
Reverting the commit. Not only it did not solve all the cases of proxy popping,
but also broke real cases with single proxy involved.
Replaces `G.is_rendering` with `use_render_params` argument.
This is needed for Cycles, which attempts to restore render-preview settings from particles,
after it gets its own particle data, but fails to restore because
`G.is_rendering` was being checked in psys_cache_paths (and other places).
Makes behavior of proxy_from backlink working similar to the old dependency graph.
it's nasty, but needed here in the studio to get proxies fixes ASAP.
