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Two fixes here (only the second one is strictly needed to fix the issue,
but both make the system better).
First is introduction of a random generator array for use with threaded
systems where each thread needs to access its own number generator.
The random texture now uses this so it should not be influenced by other
random generator reseedings of the main random generator like it did
before.
Second, I reshuffled the texture code to resample the upper bits of the
random number first. According to Numerical Recipes, this is where the
most variance can be found, so by sampling those we avoid correlation
issues. Also, multiplying here is not ideal because if a pair of bits
are zero, then the whole result will also be zero.
Overall this is much more random (tm) than before, however result will
also be brighter, since we now have less black spots. Tweaking the
brightness/contrast should somewhat fix that, generally having the same
result as before is not possible anyway if we are to really fix this.
Also, seems like exposing procedural depth might be nice here since it
influences the precision of the texture lookup.
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Reported by Jefferson Rausseo through mail, thanks.
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Not as if it gives noticeable changes render-time, but it's just weird to
convert float4 to float 3 to just access individual x/y/z components.
Plus some compilers might be more stupid than GCC and don't optimize this
out well.
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just to be sure we're dealing with the latest git version when troubleshooting
one annoying OSX issue..
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Basically the title tells it all, quite straightforward implementation.
The only thing is the image.render_slot which used to represent the active
render slot index is now moved to image.render_slots.active_index.
Reviewers: venomgfx, campbellbarton
Differential Revision: https://developer.blender.org/D821
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This patch removes several stroke shaders written in C++ that are unused
and don't serve a real purpose any more. The removed shaders are:
- BPy_ColorVariationPatternShader
- BPy_StrokeTextureShader
- BPy_TextureAssignerShader
- BPy_ThicknessVariationPatternShader
- BPy_fstreamShader
- BPy_streamShader
and a few more that weren't even exposed to the Python API.
Some minor edits were made by the reviewer.
Differential Revision: https://developer.blender.org/D801
Reviewed by: kjym3
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Added the select random functionality in particle edit mode for hairs or control points.
Reviewers: campbellbarton, lukastoenne
Reviewed By: lukastoenne
Subscribers: campbellbarton, kevindietrich, jezv
Projects: #quick_hacks, #bf_blender, #physics
Maniphest Tasks: T37873
Differential Revision: https://developer.blender.org/D809
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This way it is possible to define render border directly from the image editor,
which is useful for at least three things:
- If viewport is really optimized out (simplified etc) then it might be hard to
guess which exact area you're mainly interested now.
- No need to switch to the viewport to do render border tweaks, could be useful
when doing compositing.
- If one need to look at particular pixel(s) which is real handy for debugging
render engines (both Cycles and BI).
Reviewers: campbellbarton, venomgfx
Reviewed By: venomgfx
Differential Revision: https://developer.blender.org/D820
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Missing feature already present in Bevel modifier, useful and rather simple to add.
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shorts would wrap sometimes & many inputs were ints already.
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We queried the wrong value when looking for the bound 2D texture. This
is not totally robust because currently bound texture may not be a 2D
one, but this should work for now.
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include the parens around value before cast,
in some cases was causing double/float promotion by only casting the left value.
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Own mistake in previous fix here, was too greedy in finding an existing kmi of UserPref add diff kmi, we only want
to ignore exact same kmi's here.
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https://developer.blender.org/D643
Separates graphics context creation from window code in Ghost so that they can vary separately.
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Add retake to range-tree to avoid double lookup.
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corner and blend is 0
After discussion with cambo here we decided it's better to choose arbitrary side of the box
(in this case it's X-axis) and use image from it. That's better than doing a blackness.
P.S. This is literally a corner case anyway.
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or not
If render engine has bl_use_texture_preview set to truth blender wouldn't fallback to
the blender internal rendering for previews.
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The solution is to do the multiplication with the energy in the shader
after texture application.
We might be able to avoid setting dyncol completely, but this needs
better investigation. Some shader paths also look a bit redundant.
Also, texture mapping is not supported very well for light lamps, might
also need investigation.
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BM_face_point_inside_test assumed the face center was inside the face.
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config profile
When patching a keymap with a 'UserPref' diff one, do not add keymap items from diff
if they already exists in patched keymap.
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Do not generate materials/images/UVs if they are missing.
Now we spawn a panel ("Missing Data") with operators to generate the missing data and
pop a warning if user tries to paint without them.
The reason we have reverted this is that it is too easy to end up with more textures
than we wanted. It was impossible to enter texture paint without having textures added,
and code makes too many assumptions about what user may want.
Discussed during Sunday's meeting.
This might be a candidate for 2.72a but I'm not sure how other artists will take this
(and how refined and crash-free it is), better make a few iterations first.
And for interested parties...test please, don't wait until after a release to poke with such issues.
Also, add slot operator now adds a new unconnected image node in cycles. Only
used in the "Missing Data" panel. This should be a separate commit but I am squashing it into the same commit because
it relies too much on changes done here and can be reverted easily if complainstorm occurs again.
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Behavior with NULL context was wrong.
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This is only a (hacky) partial fix, actually, since `RNA_property_animated()` will still
not work in those cases... Better that than nothing, though.
Thanks to Campbell for review.
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