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Also move descriptions into doxy header
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Suggested by Campbell, thanks!
Also moved the exception into own function and improved comments.
Fixes T53008.
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The bug was affecting the ability to correctly edit the expected SSS profile.
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D2820 by @col-one w/ edits
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Previously, Mikktspace just bucketed the vertices based on one spatial coordinate and then ran full pairwise comparisons inside each bucket.
However, since models are three-dimensional, the bucketing has a massive false-positive rate, and since pairwise comparison is O(n^2), the merging process is very slow.
But, since we only care about exactly identical vertices, there is a much more efficient approach - we can just hash all values belonging to each vertex and form buckets based on the hash.
Since the hash has 32 bits and considers all values, false-positives are very unlikely - and since both hashing and the radixsort that's used for bucketing are O(n), both asymptotical and
real-world performance (as well as code complexity) are significantly improved.
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Redo system will set depsgraph to NULL, so need to ensure it exists.
Reported by Julian in IRC, thanks!
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Reviewers: sergey, brecht
Differential Revision: https://developer.blender.org/D2920
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No color pass because it's hard to define what to use as color in a volume.
Reviewers: sergey, brecht
Differential Revision: https://developer.blender.org/D2903
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passes
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This way hair system used for static forest does not make playblack slow.
A bit dangerous, but let's see how far we can go!
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UV project mixed up global/local space,
3D cursor offset didn't take object scale into account.
Minor improvements:
- Match Cube Project 'center' behavior w/ sphere & cylinder.
- Add active-element center.
- Wrap UV's in Cube Project based on center instead of first vertex.
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'function': incompatible types - from 'int *' to 'short *'
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It wasnt really hard except from the wierd sharpness 0.5 multiplication.
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This seems to be a correct implementation of the same diffusion profile as Cycles uses by default.
There are a few bias though:
- We consider _A_ the albedo to be 1 when evaluating _s_.
- We use a factor of 0.6 when computing _d_ to match more or less cycles results.
Note that doing per pixel jittering does bias the result even further (loss of energy).
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Differential Revision: D2914
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Quite similar to string ones actually, except more generic. Used in
id_override_static branch currently.
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ShaderData memory was getting clobbered in the branched path code paths.
Was caused by 087331c495b04ebd37903c0dc0e46262354cf026
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random_id() crashes when there is no current dupli object.
We could also throw a Python error when doing it via RNA, but as far as
Cycles is concerned we need to check if instanced.
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Conflicts:
source/blender/blenlib/BLI_math_matrix.h
source/blender/blenlib/intern/math_matrix.c
source/blender/blenlib/intern/rand.c
source/blender/editors/animation/anim_channels_edit.c
source/blender/makesrna/intern/rna_mask.c
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Considerable non-trivial merge conflict fixes.
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The loc one (shift-alt-G) was same as 'remove selected from active group'
action... Clear delta transform is not a common operation, so we can
live without a default shortcut for it.
Note that using same key (G) in same space for two completely different
kind of operations is probably a rather bad thing, nice topic for future
keymap work. ;)
Probably nice to have in 2.79a.
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This does NOT do the SSS diffusion when rendering probe but at least you can see your object without SSS in reflections / bounce light.
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This was caused by 93936b8643b9c4f77fe13d35b41ecaa246843dd8
From GL spec :
GL_INVALID_OPERATION is generated if mask contains GL_DEPTH_BUFFER_BIT or GL_STENCIL_BUFFER_BIT and the source and destination depth and stencil formats do not match.
So blitting framebuffer with depth or stencil require the SAME FORMAT.
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Ideally we could just declare abort, but this has attributes
based on the platform, so include stdlib instead.
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The issue was caused by SpinLock implementation in old pthreads we ar eusing on
Windows. Using newer one (2.10-rc) demonstrates same exact behavior. But likely
using own atomics and memory barrier based implementation solves the issue.
A bit annoying that we need to change such a core part of Blender just to make
specific CPU happy, but it's better to have artists happy on all computers.
There is no expected downsides of this change, but it is so called "works for
me" category. Let's see how it all goes.
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