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Reviewed By: brecht
Differential Revision: https://developer.blender.org/D2747
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Use to avoid accidental missing break statements,
use ATTR_FALLTHROUGH to suppress.
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draw method
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Previously, every RenderPass would have a bitfield that specified its type. That limits the number of passes to 32, which was reached a while ago.
However, most of the code already supported arbitrary RenderPasses since they were also used to store Multilayer EXR images.
Therefore, this commit completely removes the passflag from RenderPass and changes all code to use the unique pass name for identification.
Since Blender Internal relies on hardcoded passes and to preserve compatibility, 32 pass names are reserved for the old hardcoded passes.
To support these arbitrary passes, the Render Result compositor node now adds dynamic sockets. For compatibility, the old hardcoded sockets are always stored and just hidden when the corresponding pass isn't available.
To use these changes, the Render Engine API now includes a function that allows render engines to add arbitrary passes to the render result. To be able to add options for these passes, addons can now add their own properties to SceneRenderLayers.
To keep the compositor input node updated, render engine plugins have to implement a callback that registers all the passes that will be generated.
From a user perspective, nothing should change with this commit.
Differential Revision: https://developer.blender.org/D2443
Differential Revision: https://developer.blender.org/D2444
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Render data is never guarded by image drawe lock.
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See T51061
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When you use typedef'ed enum, you need to define all supported values
explicitely in enum, else compiler goes grumpy...
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Internal change needed for template support.
Loading the user preferences first so it's possible
for preferences to control startup behavior.
In general it's useful to load preferences before data-files,
so we know security settings for eg.
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This feature was adding extra complexity to task scheduling
which required yet extra variables to be worried about to be
modified in atomic manner, which resulted in following issues:
- More complex code to maintain, which increases risks of
something going wrong when we modify the code.
- Extra barriers and/or locks during task scheduling, which
causes extra threading overhead.
- Unable to use some other implementation (such as TBB) even for
the comparison tests.
Notes about other changes.
There are two places where we really had to use that limit.
One of them is the single threaded dependency graph. This will
now construct a single-threaded scheduler at evaluation time.
This shouldn't be a problem because it only happens when using
debugging command line arguments and the code simply don't
run in regular Blender operation.
The code seems a bit duplicated here across old and new
depsgraph, but think it's OK since the old depsgraph is already
gone in 2.8 branch and i don't see where else we might want
to use such a single-threaded scheduler.
When/if we'll want to do so, we can move it to a centralized
single-threaded scheduler in threads.c.
OpenGL render was a bit more tricky to port, but basically we
are using conditional variables to wait background thread to
do all the job.
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The renderpasses for grease pencil are not necessary when render from
sequencer.
This fix solves the GPF but we need to rethink the complete render
process for grease pencil and integrate better in the render and
composition workflow.
Thanks to Dalai Felinto por helping in the debug and fixing of the
problem.
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empty
If the opengl render with grease pencil is run from VSE with the current
frame outside visible frames, the render pass is wrong and the render
must be canceled because nothing to render. Related to #T49975
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Solution as suggested by Sergey Sharybin. Initial debugging by
Antonio Vazquez.
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Blender.
Issue was happening when removal of custom icons was done while they
were still being rendered by preview job.
Now add a 'deffered deletion' system, to prevent main thread to delete
preview image until loading thread is done with them.
Note that ideally, calling `ED_preview_kill_jobs()` on custom icon
removal would have been simpler, but we don't have easy access to
context here...
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Flagging of pool to cancel was done in the wrong place, making last
frames missing in the final video.
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Apparently, the whole G.is_break is not used by OpenGL render, meaning
this flag will not be clear before running the operator. This was
causing missing file output after pressing Esc once for the rest of
Blender session.
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Previously if the rendering is much faster than saving (for example,
when transcoding stuff via VSE) it was possible to have 100s of frames
in memory.
This isn't ideal because of limited amount of RAM, so need to have
some sort of limit. This is exactly what is implemented in this commit.
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By the design of task scheduler it was possible that tasks from somewhere
in the middle of scheduled list will be handled first.
For example, one thread might be iterating over the scheduled list and
ignore tasks because there is other thread is working on task from the
same pool. However, if that other thread finishes task before iteration
is over current thread will pick up task from somewhere in in the middle
of the list.
This isn't a problem in general case, but for movie rendering we do need
to have strict order of frames.
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Also do not attempt to write any already scheduled frames.
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Own regression since recent optimization.
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We were calling BLI_remlink and then BLI_insertlinkbefore/after quite often. BLI_listbase_link_move simplifies code a bit and makes it easier to follow. It also returns if link position has changed which can be used to avoid unnecessary updates.
Added it to a number of list reorder operators for now and made use of return value. Behavior shouldn't be changed.
Also some minor cleanup.
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rB6f92604e539b2114763150fb1ace60d28e59a889
Crashes occured immediately when clicking on "OpenGL render image" because there was only a task pool created previously when it was an animation. Solved it by introducing a variable is_animation to the openglrender and omitting the task_pool call when it's no animation.
@sergey: Please check my changes, moved the pool_ok and the lock into the is_animation clause.
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These may be exposed in UI (keymap editor & redo panel), so better avoid using identifiers like "UP" "DOWN". They are redundant anyway (already displayed).
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The idea is to have a dedicated thread which is responsive for all the
file writing to a separate thread, so slow disk will not slow down
OpenGL itself.
Gives really nice speedup around 1.5x when exporting barber shop layout
file to h264 video.
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Was copying things in other way around and was not performing
proper color space conversion.
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It was annoyingly slow to do roundtrip from byte OpenGL render to
float render result and back to byte image format (which is used
in 99% of cases for the OpenGL previews),
Now we use render result's rect32 to store render result which is
already supposed to be in the display space.
Gives about 30% speed improvement for OpenGL previews here.
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rendering previews
Our usercount handling was really... infuriating :|
Here, localization (i.e. 'shalow' copy that should not touch to usercounts) was incrementing
usercounts of the sole Textures IDs of lamps and worlds (on the weak and fallacious pretext
that related BKE_free... functions would decrement those counts)... Seriously...
So now, localize funcs do not increment any usercount anymore (since matching BKE_free... ones do
not decrement any either), and we do not call anymore that stupid unlink when freeing temp
localized copies of lamps/materials at end of preview generation.
Note that we probably still have a lot to do to cleanup that copy/localize code, pretty sure
we can dedpulicate a lot more.
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Improve current Grease Pencil in order to get a better 2D animation tool.
More info in WIKI pages: https://wiki.blender.org/index.php/User:Antoniov
Reviewed By: Severin, aligorith, campbellbarton
Patch by @antoniov, with edits by @Severin.
Differential Revision: https://developer.blender.org/D2115
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For now use 'brute force' and refresh whole UI when new icons get rendered.
See comment of T48813 for ideas about how to handle that in future (2.8 project ?).
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Also remove unused 'material_from' function (which isn't very useful).
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Also allows us to get rid of a few _copy_ex() versions...
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Main issue was that BKE_libblock_relink_ex was pretty much ignoring all those...
Also, unlinking of objects was not handling correctly indirect-related flags.
Refactored code into helper functions to avoid too much duplicated code.
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handling).
This commit changes a lot of how IDs are handled internally, especially the unlinking/freeing
processes. So far, this was very fuzy, to summarize cleanly deleting or replacing a datablock
was pretty much impossible, except for a few special cases.
Also, unlinking was handled by each datatype, in a rather messy and prone-to-errors way (quite
a few ID usages were missed or wrongly handled that way).
One of the main goal of id-remap branch was to cleanup this, and fatorize ID links handling
by using library_query utils to allow generic handling of those, which is now the case
(now, generic ID links handling is only "knwon" from readfile.c and library_query.c).
This commit also adds backends to allow live replacement and deletion of datablocks in Blender
(so-called 'remapping' process, where we replace all usages of a given ID pointer by a new one,
or NULL one in case of unlinking).
This will allow nice new features, like ability to easily reload or relocate libraries, real immediate
deletion of datablocks in blender, replacement of one datablock by another, etc.
Some of those are for next commits.
A word of warning: this commit is highly risky, because it affects potentially a lot in Blender core.
Though it was tested rather deeply, being totally impossible to check all possible ID usage cases,
it's likely there are some remaining issues and bugs in new code... Please report them! ;)
Review task: D2027 (https://developer.blender.org/D2027).
Reviewed by campbellbarton, thanks a bunch.
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- BKE_blender_version.h (only version defines & versionstr).
- BKE_blender_copybuffer.h (currently only used for view3d copy/paste).
- BKE_blender_undo.h (global undo functions).
- BKE_blendfile.h (high level blend file read/write API).
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Regression in d5f1b9c22,
threading deadlock rendering a scene from the OpenGL preview.
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