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Adding structs was checking for duplicates
causing approx 75k string comparisons on startup.
While overall speedup is minimal,
Python access to `bpy.types` will now use a hash lookup
instead of a full linked list search.
See D2774
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Hopefully it is supported by all the compilers.
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Caused asan to print warnings generating RNA
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internal flags.
This gives us 9 flags available again for properties (we had none anymore),
and also makes things slightly cleaner.
To simplify (and make more clear the differences between mere properties
and function parameters), also added RNA_def_parameter_flags function (and
its clear counterpart), to be used instead of RNA_def_property_flag for
function parameters.
This patch is also a big cleanup (some RNA function definitions were
still using 'prop' PropertyRNA pointer, etc.).
And yes, am aware this will be annoying for all branches, but we really need
to get new flags available for properties (will need at least one for override, etc.).
Reviewers: sergey, Severin
Subscribers: dfelinto, brecht
Differential Revision: https://developer.blender.org/D2400
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compilers ignored.
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It's becoming annoying to have public API dependent on build type
and everything. Let's just always have API defined and do stubs
in the function implementation instead.
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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
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D2073 by @LazyDodo
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(otherwise all code using RNA has to link DNA_listbase.h, not clean at all!).
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This way we avoid passing structures which could be up to
few hundred bytes by value to the utility functions.
Ideally we'll also have to add `const` qualifier in majority
of the calls, but C++ RNA does not allow us to do that because
it does not know if some function modifies contents or not.
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C++ structures might be rather big and passing them by value is not really
optimal. There should be no functional changes apart from better memory
access pattern when synchronizing huge scenes to Cycles.
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Harmless but larger values would overflow
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This commit integrates the work done so far on the new dependency graph system,
where goal was to replace legacy depsgraph with the new one, supporting loads of
neat features like:
- More granular dependency relation nature, which solves issues with fake cycles
in the dependencies.
- Move towards all-animatable, by better integration of drivers into the system.
- Lay down some basis for upcoming copy-on-write, overrides and so on.
The new system is living side-by-side with the previous one and disabled by
default, so nothing will become suddenly broken. The way to enable new depsgraph
is to pass `--new-depsgraph` command line argument.
It's a bit early to consider the system production-ready, there are some TODOs
and issues were discovered during the merge period, they'll be addressed ASAP.
But it's important to merge, because it's the only way to attract artists to
really start testing this system.
There are number of assorted documents related on the design of the new system:
* http://wiki.blender.org/index.php/User:Aligorith/GSoC2013_Depsgraph#Design_Documents
* http://wiki.blender.org/index.php/User:Nazg-gul/DependencyGraph
There are also some user-related information online:
* http://code.blender.org/2015/02/blender-dependency-graph-branch-for-users/
* http://code.blender.org/2015/03/more-dependency-graph-tricks/
Kudos to everyone who was involved into the project:
- Joshua "Aligorith" Leung -- design specification, initial code
- Lukas "lukas_t" Toenne -- integrating code into blender, with further fixes
- Sergey "Sergey" "Sharybin" -- some mocking around, trying to wrap up the
project and so
- Bassam "slikdigit" Kurdali -- stressing the new system, reporting all the
issues and recording/writing documentation.
- Everyone else who i forgot to mention here :)
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Previously makesrna would have generated code expecting DNA structure from
RNA_def_struct_sdna_from() to be passed to it. This was wrong because actual
PointerRNA points to a "parent" structure, making it impossible to add
functions to certain RNA structures.
It so far never needed and we didn't notice this issue, but it's needed for
some ongoing development now.
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Patch T36049 by @jeske
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D389 by @kevindietrich
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Makes usage of those funcs much more clear, we even had mixed '!strcmp(foo, bar)'
and 'strcmp(foo, bar) == 0' in several places...
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Add BLI_system_backtrace()
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modifiers, nodes)
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This mostly helps making Cycles scene synchronization a bit faster.
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patch by Paolo Acampora with some edits.
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checks for vectors.
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also set_source_files_properties() wasn't working for rna_*_gen.c files,
set dna.c and generated data files with generated property too.
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string) were not clearing the return pointer if no item is found, but only in case there is a custom lookup function defined.
This causes trouble with Cycles because the C++ API uses the returned pointer to determine validity - if no item is found the pointer should be NULL for checking.
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(reviewed by Brecht, thanks!):
* It was not clear that RNA_parameter_length_get() & co only affected dynamic properties, renamed them to RNA_parameter_dynamic_length_get() and such.
* Fixed RNA_function_find_parameter(), we can't use BLI_findstring() here, need to call RNA_property_identifier()!
* Fixed RNA_parameter_get() and RNA_parameter_set(), which were completely wrong for dynamic properties.
* Fixed RNA_parameter_dynamic_length_get/set_data(), they did not check the property was actually a dynamic one and were using again ugly blackmagic casting intead of ParameterDynAlloc structure!
* makesrna was still using an ugly hackish (and perhaps not always working) code when handling dynamic parameters, now synchronized with RNA_parameter_dynamic_length_get_data and RNA_parameter_get code.
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size in some cases.
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odd indentation for property and struct definitions.
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