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causes the factory not to play
Backport of upstream audaspace bugfix (ddd9a4d).
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Was giving huge artifacts in the barber shop file here in the studio,
Maybe not fully optimal solution, but committing it for now to have
closer look later.
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Spotted by David (bocs), thanks!
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Should be no functional changes.
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Main intention is to give some quick way to control scene's memory
usage by clamping textures which are too big. This is really handy
on the early production stages when you first create really nice
looking hi-res textures and only when it all works and approved
start investing time on optimizing your scene.
This is a new option in Scene Simplify panel and it acts as
following: when texture size is bigger than the given value it'll
be scaled down by half for until it fits into given limit.
There are various possible improvements, such as:
- Use threaded scaling using our own task manager.
This is actually one of the main reasons why image resize is
manually-implemented instead of using OIIO's resize. Other
reason here is that API seems limited to construct 3D texture
description easily.
- Vectorization of uchar4/float4/half4 textures.
- Use something smarter than box filter.
Was playing with some other filters, but not sure they are
really better: they kind of causes more fuzzy edges.
Even with such a TODOs in the code the option is already quite
useful.
Reviewers: brecht
Reviewed By: brecht
Subscribers: jtheninja, Blendify, gregzaal, venomgfx
Differential Revision: https://developer.blender.org/D2362
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There is some define conflict between system headers and clew,
so delay include of clew.h as much as possible.]
This is something which needed to be done in the code before
the refactor, hopefully such change will still work.
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System tab.
For the multi-GPU case users still have to reconfigure the devices they want to use.
Based on patch from Lukas Stockner.
Differential Revision: https://developer.blender.org/D2347
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This can be used together with camera culling to keep nearby objects visible in
reflections, using a minimum distance within which objects are visible. It is
also useful to cull small objects far from the camera.
Reviewed By: brecht
Differential Revision: https://developer.blender.org/D2332
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This worked by accident because of struct padding,
treat state as a CARD32 as documented.
Matches wine-x11 usage.
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Patch by Sergey Sharybin.
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Adds a get_num_gpu_devices() utility function for the addon to use.
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No need to hash subframe == 0.
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data types , to force aligned on 16 byte boundaries.
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Also fixed semantic of fetch-and-add in assembler implementation,
it seemed to not match the naming.
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The code was templated already, so don't see big reason to have
3 versions of templated functions. It was giving some extra code
to maintain and in fact already had divergency for support of huge
image resolution (missing size_t cast in byte image loading).
There should be no changes visible by artists.
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`kernel_path.h` and `kernel_path_branched.h` have a lot of conditional code and
it was kind of hard to tell what code belonged to which directive. Should be
easier to read now.
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Add subframe to the animated seed hash calculation.
Should be no difference for the regular files, only for cases when scene is
rendered from sequencer with a speed effect, which is not really a common thing.
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This is a late follow-up commit to the light sample threshold changes which
caused difference in rendering all existing .blend files which is not something
we are happy about: it is fine to use new optimized defaults for new files, but
existing ones should always be rendering in the same way as they used to be.
Sorry for the inconveniece, but such thing should have been done to begin with.
If this setting was modified it will not be reset to zero.
Now all render tests should be passing again.
P.S. Also really annoying to bump subversion for such reasons, but currently we
don't have better way to achieve what we want.
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After CUDA dynload changes having CUDA toolkit became required
in order to compile Cycles. This only happened due to wrong
default value to the option.
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This was included in the commit by accident, it doesn't belong there.
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selection
Previously, it was only possible to choose a single GPU or all of that type (CUDA or OpenCL).
Now, a toggle button is displayed for every device.
These settings are tied to the PCI Bus ID of the devices, so they're consistent across hardware addition and removal (but not when swapping/moving cards).
From the code perspective, the more important change is that now, the compute device properties are stored in the Addon preferences of the Cycles addon, instead of directly in the User Preferences.
This allows for a cleaner implementation, removing the Cycles C API functions that were called by the RNA code to specify the enum items.
Note that this change is neither backwards- nor forwards-compatible, but since it's only a User Preference no existing files are broken.
Reviewers: #cycles, brecht
Reviewed By: #cycles, brecht
Subscribers: brecht, juicyfruit, mib2berlin, Blendify
Differential Revision: https://developer.blender.org/D2338
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With this fix, using a MIS map resolution equal to the image size for closest imterpolation or twice the size for linear interpolation gets rid of all fireflies.
Previously, a much higher resolution was needed to get acceptable noise levels.
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commit
Basically, the problem here was that the transform that's used to bring texture coordinates
to world space is either fetched while setting up the shader (with Object Motion is enabled) or
fetched when needed (otherwise). That helps to save ShaderData memory on OpenCL when Object Motion isn't needed.
Now, if OM is enabled, the Lamp transform can just be stored inside the ShaderData as well. The original commit just assumed it is.
However, when it's not (on OpenCL by default, for example), there is no easy way to fetch it when needed, since the ShaderData doesn't
store the Lamp index.
So, for now the lamps just don't support local texture coordinates anymore when Object Motion is disabled.
To fix and support this properly, one of the following could be done:
- Just always pre-fetch the transform. Downside: Memory Usage increases when not using OM on OpenCL
- Add a variable to ShaderData that stores the Lamp ID to allow fetching it when needed
- Store the Lamp ID inside prim or object. Problem: Cycles currently checks these for whether an object was hit - these checks would need to be changed.
- Enable OM whenever a Texture Coordinate's Normal output is used. Downside: Might not actually be needed.
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Just a precision issue, difference is around 1e-7. Should be fine to
simply update expected value.
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No functional changes.
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This allows to save a memory copy, which will be particularly useful for network rendering.
Reviewers: sergey, brecht, dingto, juicyfruit, maiself
Differential Revision: https://developer.blender.org/D2323
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their expected contribution
In scenes with many lights, some of them might have a very small contribution to some pixels, but the shadow rays are traced anyways.
To avoid that, this patch adds probabilistic termination to light samples - if the contribution before checking for shadowing is below a user-defined threshold, the sample will be discarded with probability (1 - (contribution / threshold)) and otherwise kept, but weighted more to remain unbiased.
This is the same approach that's also used in path termination based on length.
Note that the rendering remains unbiased with this option, it just adds a bit of noise - but if the setting is used moderately, the speedup gained easily outweighs the additional noise.
Reviewers: #cycles
Subscribers: sergey, brecht
Differential Revision: https://developer.blender.org/D2217
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