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This patch refactors the instance-realization code and adds new functionality.
* Named and anonymous attributes are propagated from instances to the
realized geometry. If the same attribute exists on the geometry and on an
instance, the attribute on the geometry has precedence.
* The id attribute has special handling to avoid creating the same id on many
output points. This is necessary to make e.g. the Random Value node work
as expected afterwards.
Realizing instance attributes has an effect on existing files, especially due to the
id attribute. To avoid breaking existing files, the Realize Instances node now has
a legacy option that is enabled for all already existing Realize Instances nodes.
Removing this legacy behavior does affect some existing files (although not many).
We can decide whether it's worth to remove the old behavior as a separate step.
This refactor also improves performance when realizing instances. That is mainly
due to multi-threading. See D13446 to get the file used for benchmarking. The
curve code is not as optimized as it could be yet. That's mainly because the storage
for these attributes might change soonish and it wasn't worth optimizing for the
current storage format right now.
```
1,000,000 x mesh vertex: 530 ms -> 130 ms
1,000,000 x simple cube: 1290 ms -> 190 ms
1,000,000 x point: 1000 ms -> 150 ms
1,000,000 x curve spiral: 1740 ms -> 330 ms
1,000,000 x curve line: 1110 ms -> 210 ms
10,000 x subdivided cylinder: 170 ms -> 40 ms
10 x subdivided spiral: 180 ms -> 180 ms
```
Differential Revision: https://developer.blender.org/D13446
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We often had to use two `FieldEvaluator` instances to first evaluate
the selection and then the remaining fields. Now both can be done
with a single `FieldEvaluator`. This results in less boilerplate code in
many cases.
Performance is not affected by this change. In a separate patch we
could improve performance by reusing evaluated sub-fields that are
used by the selection and the other fields.
Differential Revision: https://developer.blender.org/D13571
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This commit ignores unavailable sockets in one more place, to fix the
case in T93920.
Differential Revision: https://developer.blender.org/D13562
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Dead-lock when VR viewport drawing and depsgraph updates would fight for
the draw-manager GL lock. This didn't usually cause issues because the
depsgraph would be evaluated at this point already, except in rare
exceptions like after file writing.
Fix this by ensuring the XR surface gets its depsgraph updated after
handling notifiers, which is where regular windows also do the depsgraph
updating.
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Added in 161ab6109e265ea906e0308ab404f95282534770
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Also use 'e' prefix for enum type name.
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- Nest compositor pages under the compositor module
- Nest GUI, DNA/RNA & externformats modules under Blender.
- Remove modules from intern which no longer exist.
- Add intern modules (atomic, eigen, glew-mx, libc_compat, locale,
numaapi, rigidbody, sky, utfconv).
- Use 'intern_' prefix for intern modules since some of the modules
use generic terms such as locale & atomic.
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Renamed or removed parameters which no longer exist.
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Also add groups in some files.
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Audio PTS was reset for each new file. This caused misalignment of video
and audio streams. In Blender, these files can't be loaded, other
players will fail to align audio and video.
Since timestamps are reset intentionally, reset also video stream
timestamps.
There were other bugs:
After timestamp was reset for audio, write_audio_frames started
encoding from timeline start until target frame, so each split video
had more audio than it should.
Also audio for last frame before splitting was written into new file.
Differential Revision: https://developer.blender.org/D13280
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Since 88c02bf826df FFmpeg handles are freed if image is not displayed.
This change did not work correctly if strips are inside meta strip,
because overlap did not consider meta strip boundary, only strips inside
of meta strip.
Pass frame range to `sequencer_all_free_anim_ibufs`, if strip is inside
of meta strip, frame range is reduced to fit meta strip boundary, but if
meta strip is being edited, range must be set to +/-`MAXFRAME`,
otherwise playback performance would be too bad.
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The difference between G.save_over and G.relbase_valid was minor.
There is one change in functionality. When saving the default-startup
file from an already loaded blend file - future save actions will
continue to write to the originally loaded file instead of prompting
the user to select a location to save the file.
This change makes saving the startup file behave the same way
"Save a Copy" does.
Reviewed By: brecht
Ref D13556
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render crash. (ARM/Metal)
This fixes crash T94022 when selecting live viewport render with both GPU & CPU devices selected. It is caused by incorrect `KernelBVHLayout` assignment. Similar to `BVH_LAYOUT_MULTI_OPTIX` for Optix, this patch adds a `BVH_LAYOUT_MULTI_METAL` to correctly redirect to the correct Metal BVH layout type.
Reviewed By: brecht
Differential Revision: https://developer.blender.org/D13561
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There were a few unused enum values: `CU_CARDINAL` and `CU_BSPLINE`
This commit cleans them up from code as they were not used for
anything meaningful.
Differential Revision: https://developer.blender.org/D13554
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This builds off of rBf951aa063f7, adding a weight parameter which can
be used to change the order of items when they have the same match
score. In the future, if string searching gets a C++ API, we could
use an optional parameter for the weight, since it is not used yet.
This will be used for the node link drag search menu (D8286).
Differential Revision: https://developer.blender.org/D13559
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This patch adds a randomize factor for the start/end lengths in the Length modifier.
Reviewed By: #grease_pencil, antoniov, pepeland, HooglyBoogly
Differential Revision: https://developer.blender.org/D12928
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his new modifier is equals to the existing mesh modifier but adapted to grease pencil.
The underlying functions used to calculate the shrink are the same used in meshes.
{F11794101}
Reviewed By: pepeland, HooglyBoogly
Differential Revision: https://developer.blender.org/D13192
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This adds the remaining bits to enable Metal on macOS. There are still
performance optimizations and other improvements planned, but it should
now be ready for early testing.
This is currently only enabled on in Arm builds for M1 GPUs. It is not
yet working on AMD or Intel GPUs.
Ref T92212
Differential Revision: https://developer.blender.org/D13503
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This was an oversight in rB7b88a4a3ba7eb9b839afa6c42d070812a3af7997.
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Resolving the path to a missing pose-bone (for example),
was not raising an error as it should have.
Regression introduced in f9ccd26b037d43f2490d1f0263e45e775d30473d,
which didn't update collection lookup logic to fail in the case the
key of a collection wasn't found.
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This implements an optimization pass for multi-function procedures.
It optimizes memory reuse by moving destruct instructions up.
For more details see the in-code comment.
In very large fields with many short lived intermediate values, this change
can improve performance 3-4x. Furthermore, in such cases, peak memory
consumption is reduced significantly (e.g. 100x lower peak memory usage).
Differential Revision: https://developer.blender.org/D13548
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This came with {rBf8a0e102cf5e}.
The panel was meant specifically for the gradient tool, but since it was
given the ".weighpaint" context, it would also draw as part of generic
header toolsettings drawing.
Now remove this context on purpose and only draw this specifically from
the gradient tools ToolDef.
Maniphest Tasks: T93169
Differential Revision: https://developer.blender.org/D13268
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Also move notes about where noise functions come from
into the function body as it's not relavant to the public doc-string.
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Use "filepath" which is the current convention for naming full paths.
- Main use "name" which isn't obviously a file path.
- BlendFileData & FileGlobal used "filename" which is often
used for the name component of a path (without the directory).
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These arguments must be non-null for useful functionality,
there is no need for paranoid checks.
The return value in case of invalid input for BPY_run_string_as_number
was also wrong (casting -1 to a bool, when false was expected).
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Point cloud is two separate words, this just changes comments in
a few places where we were inconsistent. A small wording change
to another comment is also included.
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This ends up including the removed headers in many unnecessary places.
Also, remove unnecessary extern from function definitions.
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Also add ATTR_NONNULL function attributes.
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This reduces the number of separate memory allocations done
by the multi-function procedure executor (which is used by the
field evaluation).
Now a linear memory allocator is used to allocate all intermediate
values. Furthermore, more buffers are reused when possible. This
reduces the total amount of allocated memory and improves
cache efficiency because the values are more likely to be in cache
already.
The performance improvement of this patch are most noticable
when few elements are processed by many functions. The situation
will improve even more with D13548, because then buffers can actually
be reused in practice. I measured up to 20% faster field evaluation
in extreme cases with this change.
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Using `class` and `struct` for the same type can cause issues on windows.
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This patch exposes the vector handle options as buttons
and aligns the UI between CurveMap and CurveProfile more closely.
- CurveMap point editing is on a single row like CurveProfile
- Tools menu is moved to the right hand side on both widgets
- Emboss curve map buttons
Reviewed By: HooglyBoogly
Differential Revision: https://developer.blender.org/D10980
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Replaces `HOME` environment variable usage for user
directories like in D12802.
Reviewed By: #platform_macos, brecht
Differential Revision: https://developer.blender.org/D13212
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Also remove unnecessary function to set a node type's
label function that duplicated its definition, and make
another function static.
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Early return in some places also.
De-duplicate getSystemDir and getUserDir also.
Reviewed By: #platform_macos, brecht
Differential Revision: https://developer.blender.org/D13211
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Calling `foreach_field_input` on a highly nested field (we do that
often) has an exponential running time in the number of nodes.
That is because the same node may be visited many times.
This made Blender freeze on some setups that should work just fine.
Now every field keeps track of its inputs all the time. That replaces
the exponential algorithm with constant time access.
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This allows to use fewer evaluations (30 msec down to 23 for me) while giving more accurate results (3x-10x less relative absolute error) compared to classic ray marching.
Not a massive difference, but meh, it's better. For Cycles the speedup doesn't really matter much, but I also have a patch for Eevee support.
I've also tried Gauss-Legendre and Gauss-Lobatto - the latter was always worse, while the former was slightly better at 2deg elevation but notably worse on 15deg.
Unfortunately the same approach can't be used for the integration along the primary ray, since there we also need the accumulated transmission so far at every integration point, not just the total result.
Differential Revision: https://developer.blender.org/D13521
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The const argument makes sense because these are the "source"
sockets, even though a const cast is necessary at one point.
The name "interface_socket" is an improvement over "stemp"
because the latter sounds like "temporary", or it confuses
the old socket template system with a node group's interface.
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I assume this `butr` rectangle was used more in the past,
but currently its value is set and used less than 10 lines apart,
so it's trivial to remove 16 bytes from every node. The other
rectangles are also runtime data and could be removed, but
they are more difficult.
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This reverts commit 943aed0de35621e328 and f76e04bf4d7cdce8
The latter caused a test failure: `sequencer_render_transform`
Reverting since the fix is not obvious (to me), and people are
away for the weekend.
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Most of the fields in Mesh had no comments, or outdated misleading
comments. For example, "BMESH ONLY" referred to the BMesh project,
not the data structure. Given how much these structs are used, it should
save a lot of time to have proper comments.
I also rearranged the fields in mesh to have a more logical order. Now
the most important fields come first. In the process I was able to
remove 19 bytes of unnecessary padding (31->12). I just had to
change a `short` flag to `char`.
Differential Revision: https://developer.blender.org/D13454
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This patch replaces `round_fl_to_int` with `floor` and adjusts the
maximum value accordingly. The call to `round_fl_to_int` is problematic
here because it messes with the probability distribution at the edges
of the value range, meaning the first and last values were only half
as common as all other values. Since `round_fl_to_int` does
`floor(val + 0.5)`, it will not introduce misbehavior in edge cases.
Differential Revision: https://developer.blender.org/D13474
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Improvement of the IMB_transform function by separating the UVWrapping
method from the color interpolation function. This would allow us to
perform uv wrapping operations separate from the interpolation function.
Currently this wrapping is only supported when interpolating colors.
This change would allow us to perform it on non-color image buffers.
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