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1307 Commits

Author SHA1 Message Date
Campbell Barton
d09920687c Merge branch 'master' into blender2.8 2018-05-02 12:46:14 +02:00
Lukas Stockner
16c05161e7 Cycles: Cleanup: Remove double semicolons 2018-04-29 09:28:41 +02:00
Sergey Sharybin
ef22b837e8 Merge branch 'master' into blender2.8 2018-04-04 12:57:36 +02:00
Mai Lavelle
49f77b0d83 Proper fix for T54337 
Accidentally checked the wrong variable in fa01a1738b.
 2018-04-04 06:36:16 -04:00
Sergey Sharybin
eaf8608ba5 Merge branch 'master' into blender2.8 2018-04-04 09:54:50 +02:00
Mai Lavelle
fa01a1738b Fix T54337: Cycles crash with simple subd object in debug build 2018-04-03 23:37:12 -04:00
Joshua Leung
c8a7c4f245 Merge branch 'master' into blender2.8 2018-03-20 16:13:37 +13:00
Brecht Van Lommel
148b0fef09 Fix T54317: overlapping volume render bug after recent changes. 
Increasing the samplig dimensions like this is not optimal, I'm looking
into some deeper changes to reuse the random number and change the RR
probabilities, but this should fix the bug for now.
 2018-03-19 21:22:15 +01:00
Brecht Van Lommel
fddb4dee8a Fix T54356: volume rendering bug using just color attribute. 2018-03-19 21:22:15 +01:00
Brecht Van Lommel
3692a2bcb3 Merge branch 'master' into blender2.8 2018-03-16 04:35:37 +01:00
Guillaume Chereau
e56fd59f22 Code refactor: move OIIO image buffer writing outside session, into callback. 
Original patch by Guillaume, modifications by Brecht.

Differential Revision: https://developer.blender.org/D3102
 2018-03-15 23:05:16 +01:00
Campbell Barton
028580fd1e Merge branch 'master' into blender2.8 2018-03-13 18:39:51 +11:00
Brecht Van Lommel
e07dd9fd59 Cycles: add constant folding to displacement nodes. 2018-03-12 17:29:44 +01:00
Brecht Van Lommel
93e0e716f3 Merge branch 'master' into blender2.8 2018-03-10 19:06:28 +01:00
Brecht Van Lommel
23ccf5767f Cycles: add roughness baking support, using squared roughness convention. 2018-03-10 18:37:33 +01:00
Brecht Van Lommel
7613ffc944 Cycles: switch to squared roughness convention for all nodes. 
This was already done for the Principled BSDF to be compatible with typical
baked roughness maps in PBR workflows.
 2018-03-10 18:05:01 +01:00
Brecht Van Lommel
d27158aae9 Merge branch 'master' into blender2.8 2018-03-10 06:55:39 +01:00
Brecht Van Lommel
8a76f8dac3 Code cleanup: fix compiler warning. 2018-03-10 06:51:52 +01:00
Brecht Van Lommel
1f5c5fa189 Fix T54279: viewport update bug with volume meshes. 
Meshes without vertex normals were not handled correctly.
 2018-03-10 06:27:19 +01:00
Brecht Van Lommel
3f2b88d195 Code refactor: reduce number of loops over meshes. 2018-03-10 06:27:19 +01:00
Brecht Van Lommel
d526b35ce2 Code cleanup: use spaces for aligned indentation. 2018-03-10 06:27:19 +01:00
Brecht Van Lommel
db333d9ea4 Cycles: support arbitrary number of motion blur steps for objects. 2018-03-10 06:27:19 +01:00
Brecht Van Lommel
78c2063685 Cycles: support arbitrary number of motion blur steps for cameras. 2018-03-10 06:27:19 +01:00
Brecht Van Lommel
267d892326 Code refactor: motion blur cleanups, preparing for next commit. 2018-03-10 04:54:05 +01:00
Brecht Van Lommel
6c4ddfc5d9 Code refactor: don't expose UpdateObjectTransformState in header. 2018-03-10 04:54:05 +01:00
Brecht Van Lommel
b66efbecf4 Code refactor: make Transform always affine, dropping last row. 
This save a little memory and copying in the kernel by storing only a 4x3
matrix instead of a 4x4 matrix. We already did this in a few places, and
those don't need to be special exceptions anymore now.
 2018-03-10 04:54:05 +01:00
Brecht Van Lommel
623141f339 Code refactor: add DecomposedTransform. 
This is in preparation of making Transform affine only, and also gives us
a little extra type safety so we don't accidentally treat it as a regular
4x4 matrix.
 2018-03-10 04:54:05 +01:00
Brecht Van Lommel
516e82a900 Code refactor: add ProjectionTransform separate from regular Transform. 
This is in preparation of making Transform affine only.
 2018-03-10 04:54:04 +01:00
Stefan Werner
f3010e98c3 Code refactor: use KernelShader and KernelParticle instead of float arrays. 
Original patch by Stefan with modifications by Brecht.
 2018-03-10 04:54:04 +01:00
Stefan Werner
fa9175ff02 Code refactor: use KernelLight instead of float4 arrays. 
Original patch by Stefan with modifications by Brecht.
 2018-03-10 04:54:04 +01:00
Stefan Werner
f66ff4ee86 Code refactor: use KernelOject struct instead of float4 array. 
Original patch by Stefan with modifications by Brecht.
 2018-03-10 04:54:04 +01:00
Brecht Van Lommel
2adece9fbb Merge branch 'master' into blender2.8 2018-03-03 14:58:14 +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
1852e702ab Merge branch 'master' into blender2.8 2018-03-01 11:56:01 +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
Brecht Van Lommel
11100faa5c Merge branch 'master' into blender2.8 2018-02-28 00:08:16 +01:00
Brecht Van Lommel
2eb94be750 Code cleanup: refactor Cycles image metadata retrieval to use a struct. 2018-02-27 23:42:30 +01:00
Brecht Van Lommel
a44b08a6c4 Merge branch 'master' into blender2.8 2018-02-23 19:02:49 +01:00
Brecht Van Lommel
0aec2dcd3a Cycles: add Principled Volume shader. 
Similar to the Principled BSDF, this should make it easier to set up volume
materials. Smoke and fire can be rendererd with just a single principled
volume node, the appropriate attributes will be used when available. The node
also works for simpler homogeneous volumes like water or mist.

Differential Revision: https://developer.blender.org/D3033
 2018-02-23 18:57:58 +01:00
Brecht Van Lommel
a963c7d48d Code refactor: improve attribute handling for optional volume attributes. 
A volume shader should be able to request attributes, and still be rendered
as homogeneous if no volume attributes are available for the object.
 2018-02-23 18:57:58 +01:00
Brecht Van Lommel
04896d223d Smoke: add temperature grid, with values 0..1 corresponding to 0..1000K. 2018-02-23 18:57:58 +01:00
Brecht Van Lommel
257cf86a05 Merge branch 'master' into blender2.8 2018-02-22 00:59:32 +01:00
Brecht Van Lommel
2d81758aa6 Cycles: better path termination for transparency. 
We now continue transparent paths after diffuse/glossy/transmission/volume
bounces are exceeded. This avoids unexpected boundaries in volumes with
transparent boundaries. It is also required for MIS to work correctly with
transparent surfaces, as we also continue through these in shadow rays.

The main visible changes is that volumes will now be lit by the background
even at volume bounces 0, same as surfaces.

Fixes T53914 and T54103.
 2018-02-22 00:55:32 +01:00
Brecht Van Lommel
6a48a9dc6e Code cleanup: fix incorrect socket names in hair and particle info nodes. 2018-02-22 00:55:11 +01:00
Brecht Van Lommel
9a5be1fba9 Fix incorrect OSL raytype bits and add some comments. 2018-02-21 17:56:26 +01:00
Campbell Barton
2bc952fdb6 Merge branch 'master' into blender2.8 2018-02-18 22:33:05 +11:00
Brecht Van Lommel
1dcd7db73d Code cleanup: remove some more unused code after recent CUDA changes. 2018-02-18 00:53:03 +01:00
Thomas Dinges
9e717c0495 Cycles: Remove Fermi texture code. 
This should be the last Fermi removal commit, unless I missed something.
It's been a pleasure Fermi!
 2018-02-17 22:56:58 +01:00
Brecht Van Lommel
e6386ed286 Merge branch 'master' into blender2.8 2018-02-14 21:49:13 +01:00
Brecht Van Lommel
b5fe00d1ac Cycles: restore Particle Info Index for now, keep it next to Random. 
It seems to be useful still in cases where the particle are distributed in
a particular order or pattern, to colorize them along with that. This isn't
really well defined, but might as well avoid breaking backwards compatibility
for now.
 2018-02-14 21:45:57 +01:00