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The render layer name is now always included. Best to keep these consistent,
so that animation denoising and sample merging works the same for both and
tests can be the same. Ref D4311.
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This adds a cycles.denoise_animation operator, which denoises an animation
sequence or individual file. Renders must be saved as multilayer EXR files
with denoising data passes.
By default file path and frame range come from the current scene, and EXR
files are denoised in-place. Alternatively, a different input and/or output
file path can be provided.
Denoising settings come from the current view layer. Renders can be denoised
again with different settings, as the original noisy image is preserved along
with other passes and metadata.
There is no user interface yet for this feature, that comes later.
Code by Lukas with modifications by Brecht. This feature was originally
developed for Tangent Animation, thanks for the support!
Differential Revision: https://developer.blender.org/D3889
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This adds a cycles.denoise_animation operator, which denoises an animation
sequence or individual file. Renders must be saved as multilayer EXR files
with denoising data passes.
By default file path and frame range come from the current scene, and EXR
files are denoised in-place. Alternatively, a different input and/or output
file path can be provided.
Denoising settings come from the current view layer. Renders can be denoised
again with different settings, as the original noisy image is preserved along
with other passes and metadata.
There is no user interface yet for this feature, that comes later.
Code by Lukas with modifications by Brecht. This feature was originally
developed for Tangent Animation, thanks for the support!
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This is a request by the studio here to make it possible to see how
many samples were used to render a specific shot or a frame. It is a
bit more tricky than simply stamping number of samples from a scene
since rendering is happening in multiple ranges of samples.
This change makes it so Cycles saves configured number of samples for
the specific view layer, and also stores start sample and number of
samples when rendering only a subrange of all samples.
The format used is "cycles.<view_layer_name>.><field>", which allows
to have information about all layers in a multi-layer EXR file.
Ideally we can store simplified "cycles.<field>" if we know that there
is only one render layer in the file, but detecting this is somewhat
tricky since Cycles operates on an evaluated scene which always have
single view layer.
The metadata is shown in the Metadata panels for clip, image and
sequencer spaces.
Example screenshot which shows the metadata:
{F6527727}
Reviewers: brecht
Reviewed By: brecht
Subscribers: fsiddi
Differential Revision: https://developer.blender.org/D4311
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Prefiltering of feature passes will happen during rendering, which can
then be used for denoising immediately or written as a render pass for
later (animation) denoising.
The number of denoising data passes written is reduced because of this,
leaving out the feature variance passes. The passes are now Normal,
Albedo, Depth, Shadowing, Variance and Intensity.
Ref D3889.
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When using `--cycles-resumable-num-chunks N` to render a subset of the
samples, having N close to the total number of samples causes rounding
issues.
For example, a file configured for 250 samples and 150 chunks should
have 1.6666 sample per chunk. The old code rounded this to 2 samples per
chunk, which would result in too many samples being rendered. When
rendering a single chunk this doesn't matter much, but when larger chunk
ranges are rendered with `--cycles-resumable-start-chunk` and
`--cycles-resumable-end-chunk` the rounding errors start to add up.
By multiplying with the number of chunks to render first, and only round
to integers after that, this issue is solved. In the above example,
rendering 3 chunks will correctly render 5 samples rather than 6.
When the requested number of chunks is larger than the number of samples
there will be duplicate samples (that is, sample N appearing both in
chunk M and M+1). In this case a warning is printed to stderr.
This is needed for T50977 Progressive render: use non-uniform sample
chunks.
Reviewed by: sergey
Differential Revision: https://developer.blender.org/D4282
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We've had many reported crashes on Windows where we suspect there is a
corrupted OpenCL driver. The purpose here is to keep Blender generally
usable in such cases.
Now it always shows None / CUDA / OpenCL in the preferences, and only when
selecting one will it reveal if there are any GPUs available. This should
avoid crashes when opening the preferences or on startup.
Differential Revision: https://developer.blender.org/D4265
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Differential Revision: https://developer.blender.org/D4258
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This is a quick workaround to prevent the crashes with multi-view.
The ultimate solution can be plenty, and would turn around refactoring
Cycles to handle multi-view internally, so that depsgraph could be freed
before render with no problems.
Reviewers: brecht, sergey
For the complete discussion check: https://developer.blender.org/D4239
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this can now be found in the sidebar View panel
- uses existing 'lock_camera_and_layers' but renames the property to
'use_local_camera'
- uses RNA_def_property_boolean_negative_sdna to flip the value
- remove the local view code in
rna_SpaceView3D_lock_camera_and_layers_set
- update Python code
- update Addons code will be separate commit
Fixes T60756
Reviewers: billreynish, brecht
Maniphest Tasks: T60756
Differential Revision: https://developer.blender.org/D4247
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Even though it makes sense logically to have displacement actually displace
the mesh, this is causing a lot of confusion for existing users that are used
to the previous behavior. Further, since Eevee does not support displacement
yet and the discrepancy between the viewport and final render is problematic.
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Prevents clang-format merging into a single line.
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Refactors Cycles mesh export a bit to avoid unnecessary copies and to be in
sync with the Blender baker.
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In some cases it would load adaptive kernels or even start rendering
twice because the first time the scene was not fully synced yet.
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(Part 1 was 00963afc14978b)
Does the following changes visible to users:
* Use panels and sub-panels for more structured & logical grouping
* Re-organized options more logically than before (see images in D4148)
* Use flow layout (single column by default).
* New layout uses horizontal margin if there's enough space.
* Change size of Preferences window to suit new layout.
* Move keymap related options from "Input" into own section.
* Own, left-bottom aligned region for Save Preferences button.
* Adjustments of names, tooltips & icons.
* Move buttons from header into the main region (except editor switch).
* Hide Preferences header when opened in temporary window.
* Use full area width for header.
* Don't use slider but regular number widget for UI scale.
* Gray out animation player path option if player isn't "Custom"
Internal changes:
* Rearrange RNA properties to match changed UI structure.
* Introduces new "EXECUTE" region type, see reasoning in D3982.
* Changes to panel layout and AZone code for dynamic panel region.
* Bumps subversion and does versioning for new regions.
RNA changes are documented in the release notes:
https://wiki.blender.org/wiki/Reference/Release_Notes/2.80/Python_API/Preferences_API
Design & implementation mostly done by @billreynish and myself.
I recommend checking out the screenshots posted by William:
https://developer.blender.org/D4148#93787
Reviewed By: brecht
Maniphest Tasks: T54115
Differential Revision: https://developer.blender.org/D4148
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This code was not correctly ported to 2.8.
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Since there will be no view layer overrides in 2.80, this is needed still.
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Object visibility is now handled by the depsgraph iterator, but this API
was incomplete as it made no distinction for visibility of the object itself,
particles and generated instances.
The depsgraph iterator API now includes information about which part of the
object is visible, and this is used by Cycles to replace the old custom logic.
Cycles and EEVEE visibility should now be consistent, which unfortunately does
means some subtle compatibility breakage for both.
Fixes T58956, T58202, T59284.
Differential Revision: https://developer.blender.org/D4109
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The key indices were wrong: need to offset curve key index
by first curve key index. Also corrected calculation of the
interpolation step.
Annoyingly, can not reproduce this on a simple file, need
production rig. For the possible future look the following
file from Spring was used: 03_005_A.lighting.debug.blend
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probably an oversight in rBd40bffa17f6d
Reviewers: brecht
Differential Revision: https://developer.blender.org/D4079
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Partially reverts 45fdf41be87f & 6d38d824377c,
added comment why term 'updated' is used in this case.
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There are some changes in API of OpenImageIO, but those are quite
simple to keep working with older and newer library versions.
Reviewers: brecht
Reviewed By: brecht
Differential Revision: https://developer.blender.org/D4064
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They got lost in one of the merges it seems.
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The fix itself simply is to store the cage object as a pointer instead
of a string/name.
That said baking with or without cage is yielding very different results
than in 2.7.
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Differential Revision: https://developer.blender.org/D3926
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various parts of the CPU kernel
This commit adds a sample-based profiler that runs during CPU rendering and collects statistics on time spent in different parts of the kernel (ray intersection, shader evaluation etc.) as well as time spent per material and object.
The results are currently not exposed in the user interface or per Python yet, to see the stats on the console pass the "--cycles-print-stats" argument to Cycles (e.g. "./blender -- --cycles-print-stats").
Unfortunately, there is no clear way to extend this functionality to CUDA or OpenCL, so it is CPU-only for now.
Reviewers: brecht, sergey, swerner
Reviewed By: brecht, swerner
Differential Revision: https://developer.blender.org/D3892
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