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Ensure that time source always is in the dependency graph, allowing to
tag the graph for time update prior it was fully built.
Collaboration of Philipp Oeser, Jacques Lucke and myself.
Thanks everyone :)
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This reverts {rB1693a5efe91999b60b3dc0bdff727473b3bd00bb}
and implements an alternative solution.
The old patch had the problem that the depsgraph would always
evaluate at the current frame of the original scene (even when
`DEG_evaluate_on_framechange` was used). Now it is possible
to evaluate the depsgraph at a specific frame without having to
change the original scene.
Reviewers: sergey, sybren
Differential Revision: https://developer.blender.org/D8616
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Reviewers: sergey
Differential Revision: https://developer.blender.org/D8150
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We decided that `blender::Vector` should be the default choice for
a vector data structure in Blender.
Reviewers: sergey
Differential Revision: https://developer.blender.org/D7981
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Surrounding includes with an 'extern "C"' block is not necessary anymore.
Also that made it harder to add any C++ code to some headers, or include headers
that have "optional" C++ code like `MEM_guardedalloc.h`.
I tested compilation on linux and windows (and got help from @LazyDodo).
If this still breaks compilation due to some linker error, the header containing
the symbol in question is probably missing an 'extern "C"' block.
Differential Revision: https://developer.blender.org/D7653
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Reviewers: sergey
Differential Revision: https://developer.blender.org/D7556
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Reviewers: sergey
Differential Revision: https://developer.blender.org/D7555
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Reviewers: sergey
Differential Revision: https://developer.blender.org/D7519
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Mpving utils from idcode to idtype proved to be somewhat painful for
some reasons, but now all looks good.
Had to add a fake/empty shell for the special snowflake too,
`ID_LINK_PLACEHOLDER/INDEX_ID_NULL`...
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Extract will steal all depsgraphs currently stored in given bmain, and
restore will put them back in place, using scene and viewlayers as keys.
Preliminary work for undo-speedup.
Part of T60695/D6580.
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No functional changes.
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This way it might be used for sanity checks in RNA API as well.
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Allows to access dependency graphs created for render engines
to inform them about changes in .blend file structure from the
Python handlers.
Reviewers: brecht
Differential Revision: https://developer.blender.org/D5724
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Currently unused, but will allow to keep of an owner of the depsgraph.
Could also simplify other APIs in the future by avoiding to pass bmain
explicitly to relation update functions and things like that.
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Current frame is stored in a scene, and scene might have multiple view
layers. The inactive view layers were not informed about scene's frame
being changed, so when user switched back to view after changing scene
frame it was in an inconsistent state between current scene frame and
animation.
Now we tag scene for time changes, so dependency graph can catch up
and do proper update.
Currently tagging is from quite generic place. Probably better approach
would be to tag from where frame is actually being assigned. Downside
of this is that it's easy to miss some places.
Reviewers: brecht, mont29
Reviewed By: brecht
Maniphest Tasks: T66378
Differential Revision: https://developer.blender.org/D5332
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Fix for GPencil and Cycles Render draw type. GPencil objects were only
shown when overlays were turned on. The cause of this is an
optimization we did to not populate any draw engine when an
external renderer was used with overlays turned off.
This will check if there is any visible GPencil object in the scene. if
so it will still perform the loop.
`DEG_id_type_any_exists` can check if any object of a certain type_id is in the
result. This check is also being used to check if there are any
visible grease pencil objects as a precheck in `DRW_render_check_grease_pencil`.
Reviewed By: brecht, fclem, antoniov
Maniphest Tasks: T65191
Differential Revision: https://developer.blender.org/D4962
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This change makes it so a minimal dependency graph which only includes
compositor and sequencer is built for the render pipeline purposes.
Tricky part here is that it's only compositor itself and sequencer who
to use this dependency graph and IDs from it. Render engines are still
to be provided original IDs because:
- They will create dependency graph for the given scene, and currently
it is not possible to create dependency graph from CoW scene.
- IDs from the compositor/sequencer dependency graph are "stripped",
as in, they wouldn't have all view layers, collections or objects
required for proper final render.
This creates annoying mess of mixing evaluated and original scene
access in various parts of the pipeline.
Fixes T63927: Compositing nodes - drivers don't really work
Reviewers: brecht
Maniphest Tasks: T63927
Differential Revision: https://developer.blender.org/D4911
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Apply clang format as proposed in T53211.
For details on usage and instructions for migrating branches
without conflicts, see:
https://wiki.blender.org/wiki/Tools/ClangFormat
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While \file doesn't need an argument, it can't have another doxy
command after it.
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Currently should have no functional changes, but allows to
implement runction optimizations more localized and easily.
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Move \ingroup onto same line to be more compact and
make it clear the file is in the group.
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Missed when removing contributors.
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BF-admins agree to remove header information that isn't useful,
to reduce noise.
- BEGIN/END license blocks
Developers should add non license comments as separate comment blocks.
No need for separator text.
- Contributors
This is often invalid, outdated or misleading
especially when splitting files.
It's more useful to git-blame to find out who has developed the code.
See P901 for script to perform these edits.
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Some summary of changes:
- Don't use DEG prefix for types and enumerator values:
the code is already inside DEG namespace.
- Put code where it locally belongs to: avoid having one
single header file with all sort of definitions in it.
- Take advantage of modern C++11 enabled by default.
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Was happening when value of one shape key was driving property of
another shape key of same datablock.
Solved by making shape key blocks properties more granular.
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Makes it more explicit whether RNA property is used as a source
dependency for something else, or whether some other dependency
is being hooked up to evaluate that property.
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Allow more flexible use of drivers on B-Bone properties by
connecting the dependencies to the actual operation node that
uses the values, instead of the whole component.
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COW nodes in the graph are mostly connected via a relation type
that doesn't propagate the update flags. Unfortunately, due to
the scheduling implementation that means the relations don't
actually guarantee execution order for indirect dependencies.
Relations also don't guarantee order in case of cycles.
As mentioned in IRC, the simplest way to fix possible problems
is to execute all COW nodes as a separate execution stage. This
seems to fix crashes with Data Transfer modifier in a cycle.
Staging works by simply delaying actual scheduling of tasks for
non-COW nodes until the second run of schedule_graph.
Reviewers: sergey
Differential Revision: https://developer.blender.org/D4027
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Using those functions during multithreaded evaluation is a sure
way to have a race condition and crash.
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Also fix duplicate driver to target relations due to a redundant line.
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Differential Revision: https://developer.blender.org/D3719
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Same reasoning as effector relations in earlier commit.
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