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This adds a fresnel conductive OSL preset to the Text Editor. Based on a patch by Lukas Stockner.
Differential revision: https://developer.blender.org/D145
See the differential for details.
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* Fix caustic properties, was not updated.
* Remove wrong items, leftovers from panel splitting.
* Add missing items. Even if the bundled presets do not set those, a user expects that all properties inside the panel are taken into account, when adding a new preset.
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Now that the option has been reversed, the tooltips should be changed too.
Thanks to David Black, for bringing this up!
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Path Tracing
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Refraction caustics.
This way artists can only disable/enable refraction or reflection caustics.
See Cycles logs for an example: http://wiki.blender.org/index.php/Dev:Ref/Release_Notes/2.72/Cycles
Differential revision: https://developer.blender.org/D766
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This adds a new "Volume Scatter" option to the "Ray Visibility" panels and can be used to e.g. exclude lamps from having an influence on the volume. See release logs for an example: http://wiki.blender.org/index.php/Dev:Ref/Release_Notes/2.72/Cycles
Differential revision: https://developer.blender.org/D771
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This is rather legit case which happens i.e. when having persistent images enabled
and session is updating the lookup tables.
Now device_memory keeps track of amount of memory being allocated on the device,
which makes freeing using the proper allocated size, not the CPU side buffer
size.
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Before this Cycles used to try using the cache even so it knew for the
fact that reading it from the disk failed. This change doesn't make it
more stable if someone will try to trick Cycles and give malformed data
but it solves general cases when Blender crashed during the cache write
and will preserve rendering from crashing when trying to use that partial
cache.
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I don't see a reason not to do this, and this also fixes update problems when 3D View rendering is running (no volume shader), and then a volume shader gets added.
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There were several issues involved into triangle ribbons hair:
- Even for the viewport rendering the blender scene camera was
used for orientation. This made hair triangles oriented to
the scene camera, not to the viewport camera.
- Triangle orientation was actually supposing the camera is
perspective. Triangles weren't oriented properly for the
orthographic camera resulting in different hair width across
it's length.
This issues are solved now, but there are some related TODOs:
- Rotating viewport doesn't re-orient the triangles, so after
viewport navigation hair might not look correct. However,
with this fix toggling viewport render (to force hair sync)
makes viewport render correct.
This isn't so much trivial fix, would require making BVH
aware of the dynamic triangle orientation, so they get
properly oriented without full hair re-sync.
- Panorama camera behavior didn't change but looks like it
should, however not really sure atm what's the right thing
to do here.
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The issue was caused by the changed defaults from the Cycles side.
Because of those properties being saved as an IDProp and not being
saved to the file, every change to the defaults would ruin someone's
day updating the values.
Added a bpy.app.handler.version_update which is run after the regular
do_versions() are done and could be sued by the scripts to apply
versioning code on their settings.
Reviewers: campbellbarton
Reviewed By: campbellbarton
Differential Revision: https://developer.blender.org/D761
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Issue was caused by the precision issues which made sdivm by 1 under
it's actual value. We can try to do some eps magic, but from the tests
on laptop and desktop doing integer division is not slower than using
floats here.
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Thanks for Aldo Zang for the help with the fix for the panorama/fisheye
depth of field calculation and the overall math.
Reviewed By: sergey, dingto
Subscribers: juicyfruit, gregzaal, #cycles, dingto, matray
Differential Revision: https://developer.blender.org/D753
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Now we build 2 .cubins per architecture (e.g. kernel_sm_21.cubin, kernel_experimental_sm_21.cubin).
The experimental kernel can be used by switching to the Experimental Feature Set: http://wiki.blender.org/index.php/Doc:2.6/Manual/Render/Cycles/Experimental_Features
This enables Subsurface Scattering and Correlated Multi Jitter Sampling on GPU, while keeping the stability and performance of the regular kernel.
Differential Revision: https://developer.blender.org/D762
Patch by Sergey and myself.
Developer / Builder Note:
CUDA Toolkit 6.5 is highly recommended for this, also note that building the experimental kernel requires a lot of system memory (~7-8GB).
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It can be helpful in some cases and it works properly, so no need to hide it behind the experimental flag anymore. It's only enabled for the CPU though.
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Limitations:
* Smoke/Fire rendering is *not* supported on GPU yet, that is also documented here: http://wiki.blender.org/index.php/Doc:2.6/Manual/Render/Cycles/Materials/Volume
* Decoupled Ray Marching is also not supported yet, so no Equi-Angular and MIS sampling yet.
Note for Builders and Developers:
* Make sure to use the CUDA Toolkit 6.5 from now on. 6.0 might still work, but can cause slower renders.
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'Copying Transforms to Device'
This was originally caused by a6ae12a where i didn't foresee unclear distinguishing
between empty and non-synced meshes will give issues for the viewport. They're the
same for final rendering, but for viewport we need to be accurate here.
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building without Decoupled Ray Marching.
The wrong throughput was used here.
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Sampling.
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required for Equi-Angular/MIS.
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when using GPU.
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Issue introduced in 8d3cc431d7fdcc9f3243cc24dfdcb94124be0993, parameter mismatch.
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This at least applies to DPX saved from within blender, which is 1st prio
to support working reliably.
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are supported now.
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* Merge Texture defines
* Remove Normal Map define.
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That was only needed in the beginning, when we did not had support for tangents. It's time to clean some of the defines up, it's getting a bit too much.
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* __VOLUME__ is basic volume support with Emission and Absorption.
* __VOLUME_SCATTER__ enables volume Scattering support.
* __VOLUME_DECOUPLED__ enables Decoupled Ray Marching.
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Avoid some if checks when probalistic_scatter is false.
Differential Revision: https://developer.blender.org/D743
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stripes rather than the expected noise pattern
This problem was introduced in 983cbafd1877f8dbaae60b064a14e27b5b640f18
Basically the issue is that we were not getting a unique index in the
baking routine for the RNG (random number generator).
Reviewers: sergey
Differential Revision: https://developer.blender.org/D749
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