Age | Commit message (Collapse) | Author |
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There is no user visible difference in standard builds, as there are no
volume modifiers yet. When using WITH_NEW_OBJECT_TYPES some deform only
modifiers are now available for hair and pointcloud objects.
Differential Revision: https://developer.blender.org/D7141
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Allows to know what level sculpting has been done after the value has
been changed in the MultiresModifierData.
No functional changes, just preparing code to have everything needed
for propagation undo.
Differential Revision: https://developer.blender.org/D7307
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Show control edges stores the control edges in the mesh which is
picked up by the draw manager. When applyng a subsurf (or multires) we
don't want that data present in the base mesh. Any rebuilding of the mesh
would overwrite the data anyway.
This patch introduces a new flag for applying modifiers
that can be checked to ignore storing display specific data in
the base mesh.
Reviewed By: Brecht van Lommel
Differential Revision: https://developer.blender.org/D7163
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Affects both Subdivision Surface and Multires modifiers.
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Makes it work better "out of the box" for irregular topology like
Suzanne mesh.
There might be some performance impact on non-regular meshes, but
those are not very common usecase for multires and for those its
always possible to lower the quality if needed.
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The issue was caused by crazy space distortion orientation happening
for subsurf modifier.
Solved by making it so subsurf only deforms the surface but keeps
matrices as-is. This is not fully mathematically correct, but is better
that the fall-back solution which was doing wrong matrices anyway.
Also, this is closer to have subsurf was handled prior to the
related changes.
Reviewed By: brecht, pablodp606
Differential Revision: https://developer.blender.org/D5991
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Currently unused but the intention is to use this to hook up these
modifiers to a generic deformed PBVH to make it easier to sculpt or
paint on a subdivided mesh.
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Also fixes bug where mesh with multires modifier is invisible in render
while in sculpt mode.
Differential Revision: https://developer.blender.org/D5099
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Update more relevant fields in the sculpt session. Really becoming annoying, but
was also annoying in the old code as well.
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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
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This is something where there is no single correct behavior,
sometimes it's needed to ignore the crease to make mesh more
smooth. But sometimes crease is to be considered after first
subdivision surface: for example, when adding extra subdivisions
for render-time displacement.
Made it an option whether modifier needs to take crease into
account or not.
Existing files should be openable in the 2.7 compatible way,
to re-create an old behavior the options is to be manually
disabled in the modifier settings.
Reviewers: brecht
Reviewed By: brecht
Differential Revision: https://developer.blender.org/D4652
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Allows to preserve topology cache even when copy-on-write is
fully re-copying the object. For example, toggling edit mode
in and out does no longer causes full topology to be re-created.
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The general idea of this change is to have a runtime data pointer
in the ModifierData, so it can be preserved through copy-on-write
updates by the dependency graph.
This is where subdivision surface modifier can store its topology
cache, so it is not getting trashed on every copy-on-write which
is happening when moving a vertex.
Similar mechanism should be used by multiresolution, dynamic paint
and some other modifiers which cache evaluated data.
This fixes T61746.
Thing to keep in mind, that there are more reports about slow
subdivision surface in the tracker, but that boils down to the
fact that those have a lot of extraordinary vertices, and hence
a lot slower to evaluated topology.
Other thing is, this speeds up oeprations which doesn't change
topology (i.e. moving vertices).
Reviewers: brecht
Reviewed By: brecht
Maniphest Tasks: T61746
Differential Revision: https://developer.blender.org/D4541
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Mostly functions wrapping args, not confirming to our style guide.
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The SubdivCCG structure was re-allocated, but the cached one in
the sculpt session was still pointing to an original one.
This is rather a workaround, but is least evil from what i can
currently think. Remember something similar was also required in
2.7 as well.
Definitely need to revision this change.
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For some reason forgot to handle half of modifier files...
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Fixes crash when leaving multires mode.
Fixes T61836: Saving while in multires makes blender crash
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This commit makes it so both Subdivision Surface and Multiresolution
modifiers are caching OpenSubdiv topology. This cuts down evaluation
time quite a bit, especially for meshes which don't have many extra
ordinary verticies.
Only working for animation. Other modifications like edit mode needs
more work to make topology cache preserved by copy-on-write.
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While \file doesn't need an argument, it can't have another doxy
command after it.
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Move \ingroup onto same line to be more compact and
make it clear the file is in the group.
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BF-admins agree to remove header information that isn't useful,
to reduce noise.
- BEGIN/END license blocks
Developers should add non license comments as separate comment blocks.
No need for separator text.
- Contributors
This is often invalid, outdated or misleading
especially when splitting files.
It's more useful to git-blame to find out who has developed the code.
See P901 for script to perform these edits.
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Any time a modifier data has non-ID pointer, it should have own copy
function (and also take care of proper init/reset in its init callback).
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This is actually a workaround for the crash in OpenSubdiv.
Topology refiner will have a crash when special conditions
are met:
- Refiner is configured to use infinitely sharp patches.
- Refinement happens for the level 1 (which we call Quality 1 on
Blender side).
- Mesh has non-quad faces.
The workaround is to force refinement to happen to level 2 (or
quality 2 on Blender side) when those conditions are met.
Later on with the next OpenSubdiv update we can remove this
workaround, since there was work done on OpenSubdiv side to
deal better with such configurations.
The modifier will now be somewhat slower, but this will be
compensated with upcoming topology cache enabled by default.
The workaround is done when initializing settings, so the
comparison of topology refiner settings is happening without
any extra workarounds there.
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Note that the actual caching is still disabled, since
more tests is needed with more production-looking files.
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This commit makes it so that subsurf/multires modifiers will respect
the WITH_OPENSUBDIV option. The WITH_OPENSUBDIV_MODIFIER option is
now gone.
For artists it mean that subsurf modifier will behave same as it is
planned for 2.80. Multires will now support sculpting, but it has some
known limitations. Those will be worked on before the final release.
If OpenSubdiv is disabled, no subsurf/multires functionality will
present.
For the details see:
https://wiki.blender.org/wiki/Reference/Release_Notes/2.80/Modeling#Subsurf.2FMultires
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Was only used by subsurf in the past years, it is unlikely
other modifiers will every need this any time soon.
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Apparently, part of code got lost last minute prior to push.
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Only active when WITH_OPENSUBDIV_MODIFIER is set to ON.
There is still some work to be done to make that one enabled by
default.
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Was happening when using OSD for modifiers.
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The main goal of this patch is to cleanup the interface of every modifier. More specifically the interface of modifiers should be DerivedMesh-free.
Internally some modifiers still use DerivedMesh. However I think it is better when the wrappers are in the modifiers so that higher level functions can use the simplified interface.
This patch removes the applyModifier_DM and applyModifierEM_DM functions. In a previous patch (rB3614d9d) the other functions that used DerivedMesh have been removed.
Reviewers: brecht
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Allows to go to sculpt mode, do brush strokes, get out of sculpt mode
and have deformation preserved.
The issues currently is that the current implementation of CCG
storage is created from the limit surface, without displacement
taken into account. It is trivial to get displaced coordinates,
but it is more tricky to get displaced normals. This is something
to be solved next.
Another limitation is that this only works for sculpting at a maximal
multires level. There is code to be done to support propagation
of displacement onto a higher levels.
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Allows to do re-shaping easier, since we will know for sure
what was the limit surface the CCG is created for.
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Pointed by John Roper and Ray Molenkamp.
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Attempts to substitude CCGDM with an OpenSubdiv based structure
which has less abstraction levels. The missing part in this
substitude is a face pointers which old CCGDM/multires code was
using to stitch faces (averaging boundaries).
Another curial bit missing: "reshaping" of multires CD_MDISPS
to the state of new PBVH grids.
The new code is only available when OpenSubdiv modifier is
enabled (WITH_OPENSUBDIV_MODIFIER=ON) and with debug value of
128. This is so this WIP code is not interfering with current
production machines in the studio.
Reviewers: brecht
Reviewed By: brecht
Differential Revision: https://developer.blender.org/D3685
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The one which is used by applying deformation modifiers on the multires.
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Adds a displacement support for OpenSubdiov based subsurf object implemented
as a callback which gives vector displacement in object space. Currently is
implemented to calculate displacement based on myltires displacement grids,
but we can support things in the future if needed.
Submitting to review to see if there is something obviously wrong in the
direction (old multires code was sharing same displacement code to both
calculate final displaced mesh and reshape an existing one, which is rather
confusing and probably can be done more cleanly?).
Reviewers: brecht
Reviewed By: brecht
Differential Revision: https://developer.blender.org/D3604
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Currently behaves same as subsurf, support of displacement is the
next task in the line to tackle!
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Currently no functional changes, just exposes all settings which we need
for OpenSubdiv, similar to what Subsurf modifier is doing already.
Reviewers: brecht
Reviewed By: brecht
Differential Revision: https://developer.blender.org/D3602
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