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Git Commits -> Revision fc1f5bd

Revision fc1f5bd by Alexander Gavrilov (master)
January 24, 2020, 17:48 (GMT)
Depsgraph: fix false positive time dependencies for simple drivers.

The dependency graph has to know whether a driver must be re-evaluated
every frame due to a dependency on the current frame number. For python
drivers it was using a heuristic based on searching for certain sub-
strings in the expression, notably including '('.

When the expression is actually evaluated using Python, this can't be
easily improved; however if the Simple Expression evaluator is used,
this check can be done precisely by accessing the parsed data.

Differential Revision: https://developer.blender.org/D6624

Commit Details:

Full Hash: fc1f5bded46afbb9b16fffe9e4c7f7c212566255
Parent Commit: 300f937
Lines Changed: +96, -34

6 Modified Paths:

/source/blender/blenkernel/BKE_fcurve.h (+1, -0) (Diff)
/source/blender/blenkernel/intern/fcurve.c (+61, -8) (Diff)
/source/blender/blenlib/BLI_expr_pylike_eval.h (+1, -0) (Diff)
/source/blender/blenlib/intern/expr_pylike_eval.c (+18, -0) (Diff)
/source/blender/depsgraph/intern/builder/deg_builder_relations.cc (+2, -26) (Diff)
/tests/gtests/blenlib/BLI_expr_pylike_eval_test.cc (+13, -0) (Diff)
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