Not tested for fedora-like and arch distro, would expect it to work though. Please report otherwise.
Also, always inatll git now (and a few other XOrg -dev packages).
Use --skip-osd to skip building opensubdiv libs,
use --force-osd to force a rebuild of the libs.
I added all needed user information (where to find the include dir, which -D options to set) to the print_info method that is called at the end too, so it should be pretty intuitive to use.
Reviewers: sergey, mont29
Reviewed By: mont29
Subscribers: mont29
Differential Revision: https://developer.blender.org/D1452
This commit makes sure Linux and Windows buildbots are using OpenSubdiv
and also enables OpenSubdiv by default on Windows.
OSX is kept disabled still, this is due to OpenGL restrictions which are
not solved in any way yet.
Linux is defaults to OpenSubdiv disabled because it needs precompiled
library.
The documentation could be found there:
http://wiki.blender.org/index.php/User:Nazg-gul/OpenSubdiv
Recent changes to kernel broke compilation of the kernels again, need some
other kind of solution for this issue.
Don't have much time for this currently, but will be addressed before the
release.
Meanwhile it's better to have some buildbot builds instead of totally failing
one.
- rename WITH_EXTERNAL_AUDASPACE to WITH_SYSTEM_AUDASPACE.
- rename C/PYAUDASPACE to AUDASPACE_C/PY
- simplifying cmake defines and includes.
- fixing include paths and enabling WITH_SYSTEM_AUDASPACE for windows.
- fixing scons building.
- other minor build system fixes.
Upstream is not always configured ad might give empty results.
Ideally we need to re-use the same code as we use for buildinfo,
but it's also a bit of a question which exact hash we want to put
to the name by default.
Did this in packaging buildbot rule because of several reasons:
- CMake doesn't deliver name of package which we expect it to be for buildbot
- CMake doesn't really know that building happens for buildbot
- Making default CPAck name matching buildbot's naming is kinda stupid
Probably we can pass CPack name via command line arguments, but i'm happy with
the current state and one might change things in the future.
This commit contains all the remained parts needed for initial integration of
OpenSubdiv into Blender's subdivision surface code. Includes both GPU and CPU
backends which works in the following way:
- When SubSurf modifier is the last in the modifiers stack then GPU pipeline
of OpenSubdiv is used, making viewport performance as fast as possible.
This also requires graphscard with GLSL 1.5 support. If this requirement is
not met, then no GPU pipeline is used at all.
- If SubSurf is not a last modifier or if DerivesMesh is being evaluated for
rendering then CPU limit evaluation API from OpenSubdiv is used. This only
replaces the legacy evaluation code from CCGSubSurf_legacy, but keeps CCG
structures exactly the same as they used to be for ages now.
This integration is fully covered with ifdef and not enabled by default
because there are several TODOs to be solved first:
- Face varying data interpolation is not really cleanly implemented for GPU
in OpenSubdiv 3.0. It is also not implemented for limit evaluation API.
This basically means we'll have really hard time supporting UVs.
- Limit evaluation only works with adaptivly subdivided meshes so far, which
basically means all the points of CCG are pushed to the limit. This gives
different result from old code.
- There are some serious optimizations possible on the topology refiner
creation, which would speed up initial OpenSubdiv mesh creation.
- There are some hardcoded asumptions in the GPU and DerivedMesh areas which
could be generalized.
That's something where Antony and Campbell can help, making it so the code
is structured in a way which is reusable by all planned viewport projects.
- There are also some workarounds in the dependency graph to make sure OpenGL
buffers are only freed from the main thread.
Those who'll be wanting to make experiments with this code should grab dev
branch (NOT master) from
https://github.com/Nazg-Gul/OpenSubdiv/tree/dev
There are some patches applied in there which we're working on on getting
into upstream.
This includes C-API bindings in intern/opensubdiv and CMAke module
which finds the OpenSubdiv library. This filea are not in use so
far, making it a separate commit to make actual integration commit
more clear.
Title says pretty much everything. For now, only thing available is a solver of eigen
values/vectors for self-adjoint matrices.
We can easily add more when needed.
Thanks to Sergey and Campbell for quick review.
