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Age	Commit message (Collapse)	Author
2020-06-22	Cycles: internal refactoring to make thick/ribbon curve separate primitives	Brecht Van Lommel
	Also removing the curve system manager which only stored a few curve intersection settings. These are all changes towards making shape and subdivision settings per-object instead of per-scene, but there is more work to do here. Ref T73778 Depends on D8013 Maniphest Tasks: T73778 Differential Revision: https://developer.blender.org/D8014
2020-06-22	Cycles: always perform backface culling for curve, remove option	Brecht Van Lommel
	The hair BSDFs are already designed to assume this, and disabling backface culling would break them in some cases. Ref T73778 Depends on D8009 Maniphest Tasks: T73778 Differential Revision: https://developer.blender.org/D8010
2020-06-22	Cycles: remove support for rendering hair as triangle and lines	Brecht Van Lommel
	Triangles were very memory intensive. The only reason they were not removed yet is that they gave more accurate results, but there will be an accurate 3D curve primitive added for this. Line rendering was always poor quality since the ends do not match up. To keep CPU and GPU compatibility we just remove them entirely. They could be brought back if an Embree compatible implementation is added, but it's not clear to me that there is a use case for these that we'd consider important. Ref T73778 Reviewers: #cycles Subscribers:
2020-06-22	Cleanup: minor refactoring around DeviceTask	Brecht Van Lommel

2020-05-27	Cycles: Upgraded Embree to version 3.10.0	Stefan Werner
	Enabled round linear hair in Embree. Differential Revision: https://developer.blender.org/D7623
2020-03-19	Cleanup: `make format` after SortedIncludes change	Dalai Felinto

2020-02-24	Fix Cycles Embree hair + motion blur failing after recent Catmull-Rom change	Brecht Van Lommel
	Ref T73778
2020-02-20	Cycles: Switched Embree to use Catmull-Rom curves.	Stefan Werner
	The latest versions of Embree support Catmull-Rom splines which use less memory than the previously used Hermite splines. The representation is also much closer to Cycles own data structures and can hopefully be unified in the future for more memory savings. Memory savings using Victor benchmark scene: Compared to previous Embree: ~400MB Compared to Cycles' native BVH: ~1GB
2020-02-18	Fix Embree failing on objects with a very high number of motion steps	Brecht Van Lommel
	Set the limit to 129 to match Embree. This applies to all devices for consistent render results. Ref T73778
2020-02-18	Fix Cycles Embree test failures with shadow catcher	Brecht Van Lommel
	Ref T73778
2020-02-18	Cycles: Enabled quaternion motion blur with Embree.	Stefan Werner
	Bringing Embree's motion blur closer to Cycles' native blur. This requries Embree 3.8.0 or newer. Differential Revision: https://developer.blender.org/D6575
2020-02-10	Cleanup: spelling	Campbell Barton

2020-02-08	Fix Cycles embree render crash after recent refactor	Brecht Van Lommel

2020-02-07	Cleanup: split Cycles Hair and Mesh classes, with Geometry base class	Brecht Van Lommel

2020-01-16	Fix T73064: Embree does not like Bevel shader	Stefan Werner
	Embree's local intersection routine was not prepared for local intersections without per-object BVH. Now it should be able to handle any kind of local intersection, such as AO, bevel and SSS. Differential Revision: https://developer.blender.org/D6602
2020-01-15	Cleanup: clang-format	Campbell Barton

2020-01-14	Cycles: Crash fix for random walk SSS with Embree.	Stefan Werner

2019-08-26	Cycles: refactor of BVH building to prepare for Optix	Patrick Mours
	Ref D5363
2019-07-07	Cleanup: spelling	Campbell Barton

2019-06-17	Cleanup: comment spelling	Campbell Barton

2019-06-15	Cleanup: spelling	Campbell Barton

2019-05-01	Cleanup: comments (long lines) in cycles	Campbell Barton

2019-04-17	ClangFormat: apply to source, most of intern	Campbell Barton
	Apply clang format as proposed in T53211. For details on usage and instructions for migrating branches without conflicts, see: https://wiki.blender.org/wiki/Tools/ClangFormat
2019-03-20	Cycles: Made Embree ignore curve intersections with SSS.	Stefan Werner

2019-03-20	Cycles: Performance optimization for Embree, resizing arrays once instead of ↵	Stefan Werner
	per object.
2019-01-09	Cycles: Make BVH wider prior to packing	Sergey Sharybin
	This allows to do more non-trivial tree modifications to make it more dense and more friendly for vectorization.
2018-11-25	Cleanup: trailing space	Campbell Barton

2018-11-09	Cycles: Cleanup, spacing after preprocessor	Sergey Sharybin
	It is supposed to be two spaces before comment stating which if else/endif statements corresponds to. Was mainly violated in the header guards.
2018-11-07	Cycles: Added Embree as BVH option for CPU renders.	Stefan Werner
	Note that this is turned off by default and must be enabled at build time with the CMake WITH_CYCLES_EMBREE flag. Embree must be built as a static library with ray masking turned on, the `make deps` scripts have been updated accordingly. There, Embree is off by default too and must be enabled with the WITH_EMBREE flag. Using Embree allows for much faster rendering of deformation motion blur while reducing the memory footprint. TODO: GPU implementation, deduplication of data, leveraging more of Embrees features (e.g. tessellation cache). Differential Revision: https://developer.blender.org/D3682