like driving integrator seed with #frame.
The scene drivers are evaluated continuously, which would be nice to fix but
complicated, now it compares the RNA value to see if it actually changed, and
avoids the update in that case, which is a useful optimization by itself.
This avoids having bunch of cached images when doing animation rendering,
keeping all the memory available for rendered itself.
This keeps memory usage low when rendering huge edits with mixed
scenes and movie strips.
This should not affect on sped of video encoding, which was confirmed by
some own tests.
Currently commiting to tomato due to not sure if there's something
i can not foresee here.
Invalidate preprocessed cache when when global sequencer cache is
begin invalidated.
This is needed so scene would be rendered with a proper settings,
not taken from preprocess cache.
This implements basic color grading modifiers in sequencer, supporting
color balance, RGB curves and HUE corrections.
Implementation is close to object modifiers, some details are there:
http://wiki.blender.org/index.php/User:Nazg-gul/SequencerModifiers
Modifiers supports multi-threaded calculation, masks and instant
parameter changes.
Also added cache for pre-processed image buffers for current frame,
so changing sequence properties does not require rendering of original
sequence (like rendering scene, loading file from disk and so)
Subsurf on wire edges gave smooth results even if set to simple
subdiv. Added a field to the CCG meshIFC to flag simple subdivision,
then when syncing vertices simply skip moving vertices if in
simple-subdiv mode.
This change affects two places, the level-1 build in sync and the
subdivision up to other levels.
Fixes bug [#32268] Simple Subsurf Modifier gives unexpected results on
edges without faces
projects.blender.org/tracker/index.php?func=detail&aid=32268&group_id=9&atid=498
than one curve is displayed
The range calculation used to use a fixed 0-1 range whenever it couldn't find
any values for a particular F-Curve. However, this was then taken by the
aggregation calculation to be used as just another value, leading to problems if
only vertices of a very high-value curve are selected to be included.
Modified the range calculation to ensure that suitable vertices were found
before trying to take the range values returned.
