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This commit is a full refactor of the grease pencil modules including Draw Engine, Modifiers, VFX, depsgraph update, improvements in operators and conversion of Sculpt and Weight paint tools to real brushes.
Also, a huge code cleanup has been done at all levels.
Thanks to @fclem for his work and yo @pepeland and @mendio for the testing and help in the development.
Differential Revision: https://developer.blender.org/D6293
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This also resolves the (unlikely) issue of undo having uninitialized
zbuf data, now it's cleared instead.
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Update image undo to store buffers for each step:
- Undo buffers share tiles to avoid using too much memory.
- Undo support for different sized buffers
allowing operations such as crop or resize.
- Paint tiles have been split into separate API/storage.
- Painting speed wont be impacted significantly
since storing the extra tiles is done after the stroke & only
for the first undo step.
Resolves T61263, see D5939 for details.
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With Blender 2.80 we introduced a more flexible matcap system. One
change we did was to multiply the matcap with the base color that was
shaded. As matcaps contains diffuse and specular lighting in a single
texture this lead to rendering artifacts. Artists were complaining that
everything looked to metalic.
We now support a separate `diffuse` and `specular` pass for matcaps.
`shaded_color = diffuse_light * base_color + specular_light`
For matcaps to support this feature they need to be multilayer openexr
files with 2 renderpasses (named `diffuse` and `specular`). In the future
we can change this to first pass/second pass in stead of this naming
convention.
Reviewed By: fclem, brecht
Differential Revision: https://developer.blender.org/D5335
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T68045 by @luzpaz
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This also replaces the Use Alpha setting. We now have these alpha modes:
* Straight: store RGB and alpha channels separately with alpha acting as a
mask, also known as unassociated alpha.
* Premultiplied: transparent RGB pixels are multiplied by the alpha channel.
The natural format for renders.
* Channel Packed: different images are packed in the RGB and alpha channels,
and they should not influence each other. Channel packing is commonly used
by game engines to save memory.
* None: ignore alpha channel from the file and make image fully opaque.
Cycles OSL does not correctly support Channel Packed and None yet, we are
missing fine control over the OpenImageIO texture cache to do that.
Fixes T53672
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This patch implements new cache system.
Aim is to give user more control over cache, so it can be maximally
utilized. This is done through sequencer timeline side panel
in category proxy & cache.
Cached images are also visualized in timeline, controled by
sequencer timeline view->cache menu
Functional changes:
- NOT use IMB_moviecache API
- refactor names of cached image types
- each scene owns 1 sequencer cache
- merge preprocess cache into per-sequencer cache
- cache links images rendered per frame in order as they are created
- add cache content visualization tool
- add RNA properties to control the cache
More info can be found in design notes in blenkernel/intern/seqcache.c
and in https://developer.blender.org/D4443
Reviewed By: brecht
Differential Revision: https://developer.blender.org/D4443
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Apply clang format as proposed in T53211.
For details on usage and instructions for migrating branches
without conflicts, see:
https://wiki.blender.org/wiki/Tools/ClangFormat
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While \file doesn't need an argument, it can't have another doxy
command after it.
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Move \ingroup onto same line to be more compact and
make it clear the file is in the group.
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BF-admins agree to remove header information that isn't useful,
to reduce noise.
- BEGIN/END license blocks
Developers should add non license comments as separate comment blocks.
No need for separator text.
- Contributors
This is often invalid, outdated or misleading
especially when splitting files.
It's more useful to git-blame to find out who has developed the code.
See P901 for script to perform these edits.
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Without this clang-format may wrap them onto a single line.
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Strip unindented comment blocks - mainly headers to avoid conflicts.
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- Metadata handling is now separate from `ImBuf *`, allowing it to be
used with a generic `IDProperty *`.
- Merged `IMB_metadata_add_field()` and `IMB_metadata_change_field()`
into a more robust `IMB_metadata_set_field()`. This new function
doesn't return any status (it now always succeeds, and the previously
existing return value was never checked anyway).
- Removed `IMB_metadata_del_field()` as it was never actually used
anywhere.
- Use `IMB_metadata_ensure()` instead of having
`IMB_metadata_set_field()` create the containing `IDProperty` for
you.
- Deduplicated function declarations, moved `intern/IMB_metadata.h` out
of `intern/`. Note that this does mean that we have some extra
`#include "IMB_metadata.h"` lines now, as the metadata functions are
no longer declared in `IMB_imbuf.h`.
- Deduplicated function declarations, all metadata-related declarations
are now in imbuf/IMB_metadata.h.
Part of: https://developer.blender.org/D2273
Reviewed by: @campbellbarton
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Some functions always returned the input argument
which was never used.
This made code read as if there might be a leak.
Now return a boolean (true the imbuf is modified).
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Solves these security issues from T52924:
CVE-2017-2899
CVE-2017-2900
CVE-2017-2901
CVE-2017-2902
CVE-2017-2903
CVE-2017-2904
CVE-2017-2905
CVE-2017-2906
CVE-2017-2907
CVE-2017-2918
Differential Revision: https://developer.blender.org/D2999
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Interpolate rather than do alpha over mix, matching projection paint.
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Noisy change, but safe, and better do it sooner than later if we are to
rework copying code. Also, previous commit shows this *is* useful to
catch some mistakes.
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Yet another commit which makes painting aware of multi-threaded systems.
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Gives about 2x speedup on laptop when creating new hires generated image,
regardless of it's type (color, color grid, uv grid).
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Avoid memory allocation for task data.
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Just avoid some unneeded initialization functions when the threaded
processor is simple enough to only depend on current chunk start
scanline and number of scanlines.
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* Allows sound playback for movies
* Allow play-pause with space button
* Allow displaying a position indicator with the I button
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when mipmap is off.
We used to always have nearest interpolation for texpaint but at least
make this work with mipmap off correctly.
Also added conversion casts to avoid integer overflow in filtering code
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Also add depsgraph & physics
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Basically, blender adds a few metadata fields to images when
we render an image. Those metadata can now be viewed in the
image editor.
Also, made sure metadata are available when we write imbufs
to disc with "Save As". There may be more cases here that need
fixing, but this means that loading an image with metadata
will now properly preserve them in blender.
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Official Documentation:
http://www.blender.org/manual/render/workflows/multiview.html
Implemented Features
====================
Builtin Stereo Camera
* Convergence Mode
* Interocular Distance
* Convergence Distance
* Pivot Mode
Viewport
* Cameras
* Plane
* Volume
Compositor
* View Switch Node
* Image Node Multi-View OpenEXR support
Sequencer
* Image/Movie Strips 'Use Multiview'
UV/Image Editor
* Option to see Multi-View images in Stereo-3D or its individual images
* Save/Open Multi-View (OpenEXR, Stereo3D, individual views) images
I/O
* Save/Open Multi-View (OpenEXR, Stereo3D, individual views) images
Scene Render Views
* Ability to have an arbitrary number of views in the scene
Missing Bits
============
First rule of Multi-View bug report: If something is not working as it should *when Views is off* this is a severe bug, do mention this in the report.
Second rule is, if something works *when Views is off* but doesn't (or crashes) when *Views is on*, this is a important bug. Do mention this in the report.
Everything else is likely small todos, and may wait until we are sure none of the above is happening.
Apart from that there are those known issues:
* Compositor Image Node poorly working for Multi-View OpenEXR
(this was working prefectly before the 'Use Multi-View' functionality)
* Selecting camera from Multi-View when looking from camera is problematic
* Animation Playback (ctrl+F11) doesn't support stereo formats
* Wrong filepath when trying to play back animated scene
* Viewport Rendering doesn't support Multi-View
* Overscan Rendering
* Fullscreen display modes need to warn the user
* Object copy should be aware of views suffix
Acknowledgments
===============
* Francesco Siddi for the help with the original feature specs and design
* Brecht Van Lommel for the original review of the code and design early on
* Blender Foundation for the Development Fund to support the project wrap up
Final patch reviewers:
* Antony Riakiotakis (psy-fi)
* Campbell Barton (ideasman42)
* Julian Eisel (Severin)
* Sergey Sharybin (nazgul)
* Thomas Dinged (dingto)
Code contributors of the original branch in github:
* Alexey Akishin
* Gabriel Caraballo
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directory is used.
This is done by appending the name of the file as extra folder. Existing
projects may need to regenerate their proxies but it should be possible
now to have all proxies nicely in the same custom folder.
Next commits will include operators to copy directory settings between
selected strips, making the process faster.
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Skip allocation of temporary imbuf
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buffer only. scaling can be done separately
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Function just wraps the array in an imbuf and does regular imbuf
scaling.
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If user cancels, there's an issue with leftover files.
Instead use a hash to record files that have akready been registered for
generation and skip them if so.
That should guarantee things will go smoothly and when a file exists it
is assumed to be valid.
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This is a per-strip option next to the build proxy size which tells blender
whether to skip building proxy size if the file for it already exists or not.
The option is called "Overwrite" for simplicity.
This option is enabled by default to avoid changes in the file behavior.
TODO: Would be nice to do something like that for movie clips as well.
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Yep, at last it's here!
There are a few minor issues remaining but development can go on in
master after discussion at blender institute.
For full list of features see:
http://wiki.blender.org/index.php/Dev:Ref/Release_Notes/2.72/Painting
Thanks to Sergey and Campbell for the extensive review and to the
countless artists that have given their input and reported issues during
development.
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The mask make sure the conversion only happens in a few areas of the
buffer.
New Functions:
* IMB_buffer_byte_from_float_mask
* IMB_buffer_float_from_float_mask
The functions are an adaptation of their maskless counterparts without accepting different profiles for the input and output buffers.
Review: Sergey Sharybin
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