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14 Commits
Author SHA1 Message Date
Brecht Van Lommel bba11c68c4 Fix T75995: Cycles render artifacts with overlapping volumes 
This is a workaround, but a proper solution requires significant changes to
ray intersection in the kernel.
 2020-05-01 23:42:42 +02:00
Brecht Van Lommel cc53c9e476 Fix T75290: Cycles crash with out of bounds memory access in volume mesh build 2020-04-08 21:58:17 +02:00
Dalai Felinto 2d1cce8331 Cleanup: make format after SortedIncludes change 2020-03-19 09:33:58 +01:00
Brecht Van Lommel 7537cad576 Volumes: add render settings for volume datablock 
* Space: volume density and step size in object or world space
* Step Size: override automatic step size
* Clipping: values below this are ignored for tighter volume bounds

The last two are Cycles only currently.

Ref T73201
 2020-03-18 11:23:05 +01:00
Brecht Van Lommel 006025ead0 Cycles: support for different 3D transform per volume grid 
This is not yet fully supported by automatic volume bounds but works fine in
most cases that will have mostly matching bounds.

Ref T73201
 2020-03-18 11:23:05 +01:00
Brecht Van LommelandBrecht Van Lommel d8aa613d94 Cleanup: add ImageHandle to centralize image ownership logic 2020-03-11 20:35:38 +01:00
Brecht Van Lommel d9c5f0d25f Cleanup: split Cycles Hair and Mesh classes, with Geometry base class 2020-02-07 12:18:15 +01:00
Campbell Barton cd6b49f995 Cleanup: spelling 2019-07-07 15:38:41 +10:00
Campbell Barton e12c08e8d1 ClangFormat: apply to source, most of intern 
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
 2019-04-17 06:21:24 +02:00
Stefan WernerandBrecht Van Lommel b747524144 Cycles: speed up mesh volume bounds construction. 
Patch by Stefan, with minor tweaks by Brecht.
 2018-07-28 19:23:35 +02:00
Brecht Van Lommel fddb4dee8a Fix T54356: volume rendering bug using just color attribute. 2018-03-19 21:22:15 +01:00
Brecht Van Lommel d526b35ce2 Code cleanup: use spaces for aligned indentation. 2018-03-10 06:27:19 +01:00
Brecht Van Lommel 94b99949eb Fix T54202: Cycles crash rendering empty mesh volume after recent optimization. 2018-03-02 23:10:27 +01:00
Kévin Dietrich 7377d411b4 Cycles volume: fast empty space optimization by generating a tight mesh 
around the volume.

We generate a tight mesh around the active voxels of the volume in order
to effectively skip empty space, and start volume ray marching as close
to interesting volume data as possible. See code comments for details on
how the mesh generation algorithm works.

This gives up to 2x speedups in some scenes.

Reviewed by: brecht, dingto

Reviewers: #cycles

Subscribers: lvxejay, jtheninja, brecht

Differential Revision: https://developer.blender.org/D3038
 2018-03-01 11:54:01 +01:00