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Current temporary data of Blender suffers one major issue - default 'temp' dir on Windows is never
automatically cleaned up, and can end being quite big when used by Blender, especially when we have
to store per-process data (using getpid() in file names).
To address this, this patch:
* Divides tempdir paths in two, one for 'base' temp dir (the same as previous unique tempdir path),
the other is a mkdtemp-generated sub-dir, specific to each Blender instance.
* Only uses base tempdir when we need some shallow persistance accross Blender sessions - and we always
reuse the same filename (quit.blend...) or generate small file (crash reports...).
* Uses temp sub-dir for heavy files like pointcache or renderEXRs (Save Buffer option).
* Erases temp sub-dir on quit or crash.
To get this working it also adds a working 'recursive delete' to BLI_delete() under Windows.
Note that, as in current code, the 'recover render result' hack-feature that was possible
with SaveBuffer option is still removed. A real renderresult cache feature will be added
soon, though.
Reviewers: campbellbarton, brecht, sergey
Reviewed By: campbellbarton, sergey
CC: sergey
Differential Revision: https://developer.blender.org/D531
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Opted to keep includes if they are used indirectly (even if removing is possible).
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Note it was already the case for many simulations (cloth, rigidbody, etc.), just doing this
systematically in BKE_ptcache_add() now, will avoid us some recurring bug reports.
Advanced users will know when they can/have to raise this parameter!
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There is not much sense to have a whole BLI file just to check SSE2 on CPUs...
So idea is to rename it to more generic "BLI_system", and add to it more system-related
utils, like e.g. an include helper for getpid(), which allows to hide unix/windows
internals from rest of the code...
Reviewers: campbellbarton
Reviewed By: campbellbarton
Differential Revision: https://developer.blender.org/D439
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overwrite each other
It was intended to work actually using particle cache's stack index
but this index might have been calculated incorrect in special case:
* With default cube scene, add particle system to the cube
* Add disk cache to the particle system
* Save file and reload it
* Add another particle system and enable disk cache
This would lead to two point caches with the same stack index of zero.
This happened because point cache indices list wasn't stored in the
.blend file so once you've reload your file blender doesn't know anything
about number or point caches used.
And what was even more confusing is that point cache indices list was
trying to be load from the file, but this failed because it wasn't in the
file.
This commit solves the root of the issue which is ability of producing
.blend file with two point caches using the same disk cache. This is
done by making it sure that point cache indices list is stored in the
.blend file. And also made it so disabling disk cache will tag it to
recalculate stack index.
Old broken files wouldn't magically start working, but fixing them is
rather simple manually by toggling Disk Cache option.
Reviewers: lukastoenne, brecht
CC: sergof
Differential Revision: https://developer.blender.org/D286
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Summary:
Made objects update happening from multiple threads. It is a task-based
scheduling system which uses current dependency graph for spawning new
tasks. This means threading happens on object level, but the system is
flexible enough for higher granularity.
Technical details:
- Uses task scheduler which was recently committed to trunk
(that one which Brecht ported from Cycles).
- Added two utility functions to dependency graph:
* DAG_threaded_update_begin, which is called to initialize threaded
objects update. It will also schedule root DAG node to the queue,
hence starting evaluation process.
Initialization will calculate how much parents are to be evaluation
before current DAG node can be scheduled. This value is used by task
threads for faster detecting which nodes might be scheduled.
* DAG_threaded_update_handle_node_updated which is called from task
thread function when node was fully handled.
This function decreases num_pending_parents of node children and
schedules children with zero valency.
As it might have become clear, task thread receives DAG nodes and
decides which callback to call for it.
Currently only BKE_object_handle_update is called for object nodes.
In the future it'll call node->callback() from Ali's new DAG.
- This required adding some workarounds to the render pipeline.
Mainly to stop using get_object_dm() from modifiers' apply callback.
Such a call was only a workaround for dependency graph glitch when
rendering scene with, say, boolean modifiers before displaying
this scene.
Such change moves workaround from one place to another, so overall
hackentropy remains the same.
- Added paradigm of EvaluaitonContext. Currently it's more like just a
more reliable replacement for G.is_rendering which fails in some
circumstances.
Future idea of this context is to also store all the local data needed
for objects evaluation such as local time, Copy-on-Write data and so.
There're two types of EvaluationContext:
* Context used for viewport updated and owned by Main. In the future
this context might be easily moved to Window or Screen to allo
per-window/per-screen local time.
* Context used by render engines to evaluate objects for render purposes.
Render engine is an owner of this context.
This context is passed to all object update routines.
Reviewers: brecht, campbellbarton
Reviewed By: brecht
CC: lukastoenne
Differential Revision: https://developer.blender.org/D94
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The BKE_ptcache_mem_index_find is using unsigned ints for binary search
"high" values - but this leads to integer overflow if the totpoint
number is 0 and causes invalid array access.
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for example due to a subsurf modifier preceding a cloth modifier.
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takes a key as an arg and isnt popping any element from the hash as you might expect).
add BLI_pophead/tail, since getting the first element from a list and removing it is a common task.
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file name is changed.
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(uiPopupBlockHandle.retvec size)
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inconsistency between 2.67/2.68RC and previous versions
This was in fact really nasty bug, caused by multitex_nodes
function using global variable R (which is a copy of current
renderer). this variable is not initialized to anything
meaningful for until first rendering (preview or final)
happened.
Since multitex_nodes might be used outside of render pipeline,
made it so whether CM is on or off as an argument to functions
multitex_ext_safe and multitex_ext. Now multitex_nodes() is
only shall be used for stuff happening from render pipeline!
Also needed to make some changes to other places, so all the
usages of texture sampling knows for the fact whether CM is
on or off.
And one more change is related on behavior of dispalcement,
wave, warp, weightvg modifiers and smoke. They'll be always
using CM off since texture is used for influence, not for
color.
It's rather bigger patch, but it's mostly straightforward
changes, which we really need to be done.
Reviewed by Brecht, thanks!
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* Also fixed some more cases of "more then" -> "more than".
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Warning: Just make sure that you DON'T free the cache at any point. This patch can only display existing pointcaches from e.g. 2.64
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Also makes more use of BLI_snprintf, and makes more consistent code acrross all "header strings" generation in transform.c.
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from Lawrence D'Oliveiro (ldo)
Add comments and use of bool type in fileops.c
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Sv.Lockal, Gabriel Gazzán and Satoshi Yamasaki, thanks!
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Constraints connect two rigid bodies.
Depending on which constraint is used different degrees of freedom
are limited, e.g. a hinge constraint only allows the objects to rotate
around a common axis.
Constraints are implemented as individual objects and bahave similar to
rigid bodies in terms of adding/removing/validating.
The position and orientation of the constraint object is the pivot point
of the constraint.
Constraints have their own group in the rigid body world.
To make connecting rigid bodies easier, there is a "Connect" operator that
creates an empty objects with a rigid body constraint connecting the selected
objects to active.
Currently the following constraints are implemented:
* Fixed
* Point
* Hinge
* Slider
* Piston
* Generic
Note: constraint limits aren't animatable yet).
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Add read/write/interpolate functions.
In order to get rigid body point cache id from object it's now required to pass the
scene to BKE_ptcache_ids_from_object().
Rigid body cache is drawn in the orange color of the bullet logo.
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This was left over from 2.4x days and is not used anymore.
Now simulations are always interactive.
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earlier on.
Also some minor formatting.
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disk cache and lib path settings.
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High resolution cache didn't always read all written data fields which caused colors to get messed up.
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Removed checks for PTCACHE_QUICK_CACHE for exception handling. This to ensure normal
cache works as if old PTCACHE_QUICK_CACHE wasn't set.
Thanks Campbell for pointing at this!
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- Disabled "Quick Cache" option. It was causing ridiculous updates
on the entire animation system for start-end frame on every user
event causing changes here (like during transform). Worst was that you
couldn't transform animated objects for that reason either.
Most of the code is still there, waiting for a moment to revise it...
- Constraint "Follow Track" (marker) wasn't using inverse matrix code
in transform, making it wacko to use (wrong pivot, crazyspace)
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also left bmesh decimator on in previous commit.
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