The preview rendering would fall back to the shader preview rendering
pipeline, which is not suitable for objects. Instead, don't render any
preview (use an empty preview) for such object types. This case could be
handled a bit nicer by the code triggering the preview rendering (e.g.
the "Render Active Object" operator poll could return false), but
keeping that separate from fixing the lower level logic to ensure crash
free behavior.
Pull Request: https://projects.blender.org/blender/blender/pulls/126235
API: merged IMB_scalefastImBuf, IMB_scaleImBuf, IMB_scaleImBuf_threaded
into one function IMB_scale with enum IMBScaleFilter {Nearest, Bilinear, Box}
and bool "threaded" param.
Performance:
- Box filtering (nee IMB_scaleImBuf) can be multi-threaded now.
- Nearest filtering (nee IMB_scalefastImBuf) can be multi-threaded now.
Also fix performance regression on float images caused by fix in #126234
- Bilinear filtering (nee IMB_scaleImBuf_threaded) is several times faster now.
Correctness:
- Nearest and Box filtering: no longer loses half of edge pixels when scaling
up.
- Box: fixed garbage results (and possible out of bounds reads) for non-4
channel float images.
- Bilinear: no longer shifts image when scaling up.
- Bilinear: properly filters when scaling down by 2x2.
Test coverage:
- Add gtest coverage for various IMB_scale modes.
- Add a IMB_performance_test performance test, ran manually.
More details, images and performance numbers in PR.
Pull Request: https://projects.blender.org/blender/blender/pulls/126390
Since 7b0ea0f1b4, brushes use the asset system and previews are stored
in the asset source blend files. The bundled ones are part of the
essentials asset library, see
`release/datafiles/assets/publis/brushes/essentials_brushes.blend`.
Note that this doesn't remove the toolbar icons for these brushes yet.
Initially reviewed in (but this commit contains further changes missing
in the PR):
https://projects.blender.org/blender/blender/pulls/123842
Also see 06be295946.
These aren't all cases, but a few that I found by addding a static
assert in `MEM_new` so that it fails for trivially constructible types.
Basically this tries to make the API to stop and kill jobs more explicit &
consistent, so intent is expressed clearly & behavior as expected.
- Remove use of the job start callback address as identifier for the job.
6887dea786 already removed this pattern from the jobs system internals, this
commit also removes it from the API.
- Make stop & kill API and implementation consistent. E.g. don't stop/kill jobs
by either owner **or** type/callback in one function, and by owner (if
provided) **and** type/callback in another. Causes some small behavior
changes, documented inline.
- Use the same job type and API for all preview render jobs (change by Brecht).
There doesn't seem to be a need for the separated types, in fact the
separation might have caused some issues earlier (and added code complexity).
- Add/improve function documentation.
This does actually have subtle behavior changes that are known, see PR, but
they were investigated carefully and seem like implementing wanted behavior.
Co-authored-by: Brecht Van Lommel <brecht@blender.org>
Pull Request: https://projects.blender.org/blender/blender/pulls/123086
Using a non-virtual derived struct for polymorphism is error prone,
especially combined with the requirements of DNA. Instead, use a
separately allocated runtime struct as done for many other DNA structs.
In a followup commit, the remaining runtime members of `PreviewImage`
could be moved to the new runtime struct.
Pull Request: https://projects.blender.org/blender/blender/pulls/121509
Add new ID_IS_EDITABLE macro that checks if the ID can be edited in the
user interface. Replace usage of ID_IS_LINKED where it is used with this
meaning.
Also add a corresponding ID.is_editable property for Python.
This prepares for the ability to edit some linked datablocks for brush
assets.
Pull Request: https://projects.blender.org/blender/blender/pulls/121838
The `object_to_world` and `world_to_object` matrices are set during
depsgraph evaluation, calculated from the object's animated location,
rotation, scale, parenting, and constraints. It's confusing and
unnecessary to store them with the original data in DNA.
This commit moves them to `ObjectRuntime` and moves the matrices to
use the C++ `float4x4` type, giving the potential for simplified code
using the C++ abstractions. The matrices are accessible with functions
on `Object` directly since they are used so commonly. Though for write
access, directly using the runtime struct is necessary.
The inverse `world_to_object` matrix is often calculated before it's
used, even though it's calculated as part of depsgraph evaluation.
Long term we might not want to store this in `ObjectRuntime` at all,
and just calculate it on demand. Or at least we should remove the
redundant calculations. That should be done separately though.
Pull Request: https://projects.blender.org/blender/blender/pulls/118210
I added a new BLO_userdef_default.h header to contain declarations of
two global variables that are still defined in C files. Use of designated
initializers for large structs make those files harder to change.
Arguably this is a better header for them anyway.
Pull Request: https://projects.blender.org/blender/blender/pulls/118015
The term `PIL` stands for "platform independent library." It exists since the `Initial Revision`
commit from 2002. Nowadays, we generally just use the `BLI` (blenlib) prefix for such code
and the `PIL` prefix feels more confusing then useful. Therefore, this patch renames the
`PIL` to `BLI`.
Pull Request: https://projects.blender.org/blender/blender/pulls/117325
Along with the 4.1 libraries upgrade, we are bumping the clang-format
version from 8-12 to 17. This affects quite a few files.
If not already the case, you may consider pointing your IDE to the
clang-format binary bundled with the Blender precompiled libraries.
"mesh" reads much better than "me" since "me" is a different word.
There's no reason to avoid using two more characters here. Replacing
all of these at once is better than encountering it repeatedly and
doing the same change bit by bit.
Move the three current 'status variables' (stop, update and progress)
into a single 'WorkerStatus' struct. This is cleaner and will allow for
future workin this area without having to edit tens of 'startjob'
callbacks signatures all the time.
No functional change expected here.
Note: jobs' specific internal code has been modified as little as
possible, in many cases the job's own data still just store pointers to
these three values. Ideally in the future more refactor will be using a
single pointer to the shared `wmJobWorkerStatus` data instead.
Pull Request: https://projects.blender.org/blender/blender/pulls/113343
- Add IDP_EnsureProperties,
- Remove create_if_needed argument from IDP_GetProperties.
Split access & creation so intention reads more clearly without
looking up function arguments.
Previously, BKE level preview image code was in `BKE_icons.h` and `icons.hh`.
While these types are related, I always found this quite hard to navigate since
preview image stuff was just in the middle of icon functions. Plus, people
don't expect preview image functions in icon files, the relationship is not
obvious.
Instead, use focused files that make it easy to quickly navigate them
and see what they are dealing with.
Pull Request: https://projects.blender.org/blender/blender/pulls/111709
Previously we'd just allocate extra space for additional data for the
deferred loading, and then do pointer arithmetic to access that data.
This is cryptic and not type safe.
Instead, use an internal type deriving from `PreviewImage`, and manage
that internally. This ensures type safety, while keeping this as
implementation detail (not visible outside of the preview image API) and
keeping internals easy to understand.
Some code did shallow copies of preview images, making ownership
unclear. That made things a bit tricky, but I've made support for
shallow copies explicit now and noted this in comments.
Listing the "Blender Foundation" as copyright holder implied the Blender
Foundation holds copyright to files which may include work from many
developers.
While keeping copyright on headers makes sense for isolated libraries,
Blender's own code may be refactored or moved between files in a way
that makes the per file copyright holders less meaningful.
Copyright references to the "Blender Foundation" have been replaced with
"Blender Authors", with the exception of `./extern/` since these this
contains libraries which are more isolated, any changed to license
headers there can be handled on a case-by-case basis.
Some directories in `./intern/` have also been excluded:
- `./intern/cycles/` it's own `AUTHORS` file is planned.
- `./intern/opensubdiv/`.
An "AUTHORS" file has been added, using the chromium projects authors
file as a template.
Design task: #110784
Ref !110783.
Using ClangBuildAnalyzer on the whole Blender build, it was pointing
out that BLI_math.h is the heaviest "header hub" (i.e. non tiny file
that is included a lot).
However, there's very little (actually zero) source files in Blender
that need "all the math" (base, colors, vectors, matrices,
quaternions, intersection, interpolation, statistics, solvers and
time). A common use case is source files needing just vectors, or
just vectors & matrices, or just colors etc. Actually, 181 files
were including the whole math thing without needing it at all.
This change removes BLI_math.h completely, and instead in all the
places that need it, includes BLI_math_vector.h or BLI_math_color.h
and so on.
Change from that:
- BLI_math_color.h was included 1399 times -> now 408 (took 114.0sec
to parse -> now 36.3sec)
- BLI_simd.h 1403 -> 418 (109.7sec -> 34.9sec).
Full rebuild of Blender (Apple M1, Xcode, RelWithDebInfo) is not
affected much (342sec -> 334sec). Most of benefit would be when
someone's changing BLI_simd.h or BLI_math_color.h or similar files,
that now there's 3x fewer files result in a recompile.
Pull Request #110944
First implementation of node previews in the shader node editor. Using
the same user interface as compositor node previews, most shader nodes
can now be previewed (except group in/output and material output).
This is currently still an experimental feature, as polishing of the
user experience and performance improvements are planned. These will
be easier to do as incremental changes on this implementation.
See #110353 for details on the work that remains to be done and known
limitations.
Implementation notes:
We take advantage of the `RenderResult` available as `ImBuf` images to
store a `Render` for every viewed nested node tree present in a
`SpaceNode`. The computation is initiated at the moment of drawing nodes
overlays.
One render is started for the current nodetree, having a `ViewLayer`
associated with each previewed node. We separate the previewed nodes in
two categories: the shader ones and the non-shader ones.
- For non-shader nodes, we use AOVs which highly speed up the rendering
process by rendering every non-shader nodes at the same time. They are
rendered in the first `ViewLayer`.
- For shader nodes, we render them each in a different `ViewLayer`, by
rerouting the node to the output of the material in the preview scene.
The preview scene takes the same aspect as the Material preview scene,
and the same preview object is used.
At the moment of drawing the node overlay, we take the `Render` of the
viewed node tree and extract the `ImBuf` of the wanted viewlayer/pass
for each previewed node.
Pull Request: https://projects.blender.org/blender/blender/pulls/110065
