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Differential Revision: https://developer.blender.org/D10958
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Tell `FindOSL.cmake` where to find the shader header files. These have
moved from `${LIBDIR}/osl/shaders` to `${LIBDIR}/osl/share/OSL/shaders`
when OSL was upgraded (T85365).
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This adds PulseAudio as audio backend on Linux.
PulseAudio is the main audio engine used on most,
if not all, Linux distributions today.
Ref T86590
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This bumps OSL to 1.11.10.0. OSL Has a new build time
dependency: Clang, and more importantly it expects
clang and llvm to share a library folder, which it
previously for us did not.
This patch changes:
-OSL Update to 1.11.10.0
-refactor the llvm/clang/clang-tools-extra builds into the llvm
build using the llvm-project tarball for building that has all
of the subprojects in it.
-update ispc/openmp builds since clang no longer its own dependency
and they have to depend on the llvm build now.
-Update the windows builder to use the 64 bit host tools since it
ran out of ram linking clang
-Since OSL now needs clang to link successfully a findclang.cmake
has been provided for linux/OSX
Differential Revision: https://developer.blender.org/D10212
Reviewed By: brecht, sebbas, sybren
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This required using a fork of Embree, newer LLVM version, unreleased ISPC
version and sse2neon directly from Git. Hopefully over time all the required
changes end up in official releases. For now we deviate from other platforms.
Based on contributions by Apple and Stefan Werner.
Ref D9527, D8237, T78710
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Ref T84819
Build System
============
This is an API breaking new version, and the updated code only builds with
OpenColorIO 2.0 and later. Adding backwards compatibility was too complicated.
* Tinyxml was replaced with Expat, adding a new dependency.
* Yaml-cpp is now built as a dependency on Unix, as was already done on Windows.
* Removed currently unused LCMS code.
* Pystring remains built as part of OCIO itself, since it has no good build system.
* Linux and macOS check for the OpenColorIO verison, and disable it if too old.
Ref D10270
Processors and Transforms
=========================
CPU processors now need to be created to do CPU processing. These are cached
internally, but the cache lookup is not fast enough to execute per pixel or
texture sample, so for performance these are now also exposed in the C API.
The C API for transforms will no longer be needed afer all changes, so remove
it to simplify the API and fallback implementation.
Ref D10271
Display Transforms
==================
Needs a bit more manual work constructing the transform. LegacyViewingPipeline
could also have been used, but isn't really any simpler and since it's legacy
we better not rely on it.
We moved more logic into the opencolorio module, to simplify the API. There is
no need to wrap a dozen functions just to be able to do this in C rather than C++.
It's also tightly coupled to the GPU shader logic, and so should be in the same
module.
Ref D10271
GPU Display Shader
==================
To avoid baking exposure and gamma into the GLSL shader and requiring slow
recompiles when tweaking, we manually apply them in the shader. This leads
to some logic duplicaton between the CPU and GPU display processor, but it
seems unavoidable.
Caching was also changed. Previously this was done both on the imbuf and
opencolorio module levels. Now it's all done in the opencolorio module by
simply matching color space names. We no longer use cacheIDs from OpenColorIO
since computing them is expensive, and they are unlikely to match now that
more is baked into the shader code.
Shaders can now use multiple 2D textures, 3D textures and uniforms, rather
than a single 3D texture. So allocating and binding those adds some code.
Color space conversions for blending with overlays is now hardcoded in the
shader. This was using harcoded numbers anyway, if this every becomes a
general OpenColorIO transform it can be changed, but for now there is no
point to add code complexity.
Ref D10273
CIE XYZ
=======
We need standard CIE XYZ values for rendering effects like blackbody emission.
The relation to the scene linear role is based on OpenColorIO configuration.
In OpenColorIO 2.0 configs roles can no longer have the same name as color
spaces, which means our XYZ role and colorspace in the configuration give an
error.
Instead use the new standard aces_interchange role, which relates scene linear
to a known scene referred color space. Compatibility with the old XYZ role is
preserved, if the configuration file has no conflicting names.
Also includes a non-functional change to the configuraton file to use an
XYZ-to-ACES matrix instead of REC709-to-ACES, makes debugging a little easier
since the matrix is the same one we have in the code now and that is also
found easily in the ACES specs.
Ref D10274
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Default to Python version 3.9.
Reviewed By: LazyDodo, sybren, sebbas
Ref D10380
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Paths and names of system packages-installed libhpdf on Debian (and
probably its derived distributions?) are slightly different than what
was given to CMake finding script.
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Decision: https://lists.blender.org/pipermail/bf-committers/2020-December/050836.html
Adds CMake dependency builder support. Tested on
macOS and Windows (Thanks @LazyDodo).
Reviewed By: #platform_macos, LazyDodo, sebbas
Maniphest Task: T84836
Differential Revision: https://developer.blender.org/D9928
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Don't overwrite environment variables that may
contain options like suppression files, symboliser etc.
It's similar to rBa181b156399a13fa429159112e30c8005d5e8a59
and rBA589d13408a60cbec34a8bc3cc798c586043743ae .
For Blender Add-ons repo, see the equivalent in D9816.
Reviewed By: Blendify
Differential Revision: https://developer.blender.org/D9815
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Group all tests of a test suite into a single test command invocation.
This reduces the number of invocations by `ctest` by an order of
magnitude.
Since rB56aa5b0d8c6b663, `bin/tests/blender_test` was run for every
individual test. Having over a 1000 tests made testing slower than
necessary. Individual tests can still be run if desired by invocation of
`bin/tests/blender_test --gtest_filter=suitename.testname`.
NOTE: For this commit to have an immediate effect, it may be necessary
to remove the `tests` and `Testing` directories and some CMake files
from your build directory and rebuild. Run `ctest -N` to see the list of
tests; there should be less than 200.
Reviewed By: sergey, LazyDodo, sebbas
Maniphest Tasks: T83222
Differential Revision: https://developer.blender.org/D9649
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This commit expands the Windows-specific code in rBdca9aa0053f7 and Linux-specific code in rB33b7d53df08a.
It also fixes a capitalization issue in FindPugiXML.cmake
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Replace `Blender` with `BLENDER` so that it's more clearly a marker, and
not just the name.
No functional changes.
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For blender we disable VCPKG to prevent it from picking
up the wrong libraries from VCPKG rather than our lib folder
some of the cycles tests needed this to link correctly.
reported by @alef on chat
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Stop with an error when the Clang-Tidy executable cannot be found.
Without this check, CMake will happily report "Found Clang-Tidy" but with
the fallback version (0, 0, 0), when `CLANG_TIDY_EXECUTABLE` points to a
non-existing executable.
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NanoVDB is a platform-independent sparse volume data structure that makes it possible to
use OpenVDB volumes on the GPU. This patch uses it for volume rendering in Cycles,
replacing the previous usage of dense 3D textures.
Since it has a big impact on memory usage and performance and changes the OpenVDB
branch used for the rest of Blender as well, this is not enabled by default yet, which will
happen only after 2.82 was branched off. To enable it, build both dependencies and Blender
itself with the "WITH_NANOVDB" CMake option.
Reviewed By: brecht
Differential Revision: https://developer.blender.org/D8794
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This is an old convention that hasn't been used
by Blender or CMake distributed Find* files for a long time.
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Code added in the last commit {rB2fdbe4d0501114c716fd12bc}.
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The behaviour is a bit different from other find modules:
`FFMPEG_FIND_COMPONENTS` should contain the
list of required libraries before calling `find_package(FFmpeg)`.
If not set, a default set of most common libraries is searched for:
`avcodec avdevice avfilter avformat avutil`
http://ffmpeg.org/download.html
Ref D8855
Reviewed By: brecht
Differential Revision: https://developer.blender.org/D8918
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Embree static libraries need additional linking flags to avoid SSE and
AVX symbols getting mixed up.
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Ref {D8855}
Reviewed By: brecht
Differential Revision: https://developer.blender.org/D8919
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The `find_package()` callers expect the library name as `Potrace`, not
`POTRACE`.
Reviewed By: LazyDodo
Differential Revision: https://developer.blender.org/D8923
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Set flags directly on the target, and use common function for all cases.
This refactoring helps with the next commit for test executables.
Ref D8714
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For work the GP team plans to land soon (T79877) potrace was taken
on as an additional optional dependency.
This diff adds building the library to the deps builder and takes
care of the integration into the build-system with the `WITH_POTRACE`
cmake switch.
Differential Revision: https://developer.blender.org/D8662
Reviewed by: brecht, sergey
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gmpxx library (C++ version of gmp) uses symbols from libgmp, which means
the libgmp is to be passed to the linker after libgmpxx.
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This is for design task T67744, Boolean Redesign.
It adds a choice of solver to the Boolean modifier and the
Intersect (Boolean) and Intersect (Knife) tools.
The 'Fast' choice is the current Bmesh boolean.
The new 'Exact' choice is a more advanced algorithm that supports
overlapping geometry and uses more robust calculations, but is
slower than the Fast choice.
The default with this commit is set to 'Exact'. We can decide before
the 2.91 release whether or not this is the right choice, but this
choice now will get us more testing and feedback on the new code.
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It is now possible to build against a shared embree library.
Before it was only possible to build against static Embree libraries.
Reviewed By: Brecht
Differential Revision: http://developer.blender.org/D8702
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Many of these are derived from similar modules in the CMake project, which
have this license.
Fixes T79715
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Fix package name missmatch in a few module files. IE "ALEMBIC" was
defined in the file but the find_package commands used "Alembic"
Some modules state that they set and use the _LIBRARY variable but the
do in fact not do this. Removed these comments from those files.
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Required for the new boolean code, disabled by default
until all platforms have landed the libs and the boolean
code actually lands in master.
Reviewed By: brecht
Differential Revision: https://developer.blender.org/D8384
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Add our own copy of the gtest discovery scripts from CMake a few reasons:
* Use the very latest version which supports PRE_TEST for Windows
* Fix usage of [] symbols in file paths that fail with the zsh shell
* Disable asan leak checker when discovering tests
This means Windows also no longer requires the very latest CMake 3.18.
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This commit introduces a new way to build unit tests. It is now possible
for each module to generate its own test library. The tests in these
libraries are then bundled into a single executable.
The test executable can be run with `ctest`. Even though the tests
reside in a single executable, they are still exposed as individual
tests to `ctest`, and thus can be selected via its `-R` argument.
Not yet ported tests still build & run as before.
The following rules apply:
- Test code should reside in the same directory as the code under test.
- Tests that target functionality in `somefile.{c,cc}` should reside in
`somefile_test.cc`.
- The namespace for tests is the `tests` sub-namespace of the code under
test. For example, tests for `blender::bke` should be in
`blender::bke:tests`.
- The test files should be listed in the module's `CMakeLists.txt` in a
`blender_add_test_lib()` call. See the `blenkernel` module for an
example.
Reviewed By: brecht
Differential Revision: https://developer.blender.org/D7649
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The spelling and capitalization of package name passed to find_package()
and find_package_handle_standard_args() needs to match.
Silences CMake warning about mismatch.
Differential Revision: https://developer.blender.org/D8247
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Clang Tidy is a Clang based "linter" tool which goal is to help
fixing typical programming errors.
It is run as a separate compile step of every file, which slows
compilation down but allows to fully analyze the file the same
way as compiler does and catch non-trivial bugprone cases.
This change includes:
- CMake option called `WITH_CLANG_TIDY` which enables Clang Tidy
linter tool on all source in the `source/` directory.
This option is only available on Linux, as it is currently the
easiest platform to get the Clang Tidy toolchain to work.
- CMake module which is aimed to find latest available Clang Tidy.
- Set of rules which allows to have Blender fully compiled without
extra issues.
The goal of this change is to provide a base ground so that solving
all the warnings can happen later on, as a team effort.
It should be possible to use Clang Tidy side-by-side with both GCC
and Clang, but there seems to be some tweaks to be done in CMake to
make it really work for Blender. For now use Clang toolchain if
there are issues with GCC+Clang Tidy.
It will be worked on in the nearest future to bring seamless
experience for all configurations.
Currently there is no official way of getting Clang Tidy on macOS,
and on Windows there are some difficulties of hooking up Clang Tidy
from LLVM package to the MSVC compiler toolchain.
The actual warnings in the code will be addressed as a part of the
Code Quality Days, task T78535.
Differential Revision: https://developer.blender.org/D7937
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This requires ISPC for building OpenImageDenoise, so that is now added as
a dependency as well. Blender itself does not need ISPC for building so it
is not included as part of the precompiled libraries.
Differential Revision: https://developer.blender.org/D7641
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This is a follup to 0c384362272.
No functional changes to Blender, just the build scripts.
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Search for all potential library names in each directory, otherwise e.g.
libImath-2_2.a from a system directory will be preferred over libImath.a even
if we specified a directory.
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This patch enables TBB as the default task scheduler. TBB stands for Threading Building Blocks and is developed by Intel. The library contains several threading patters. This patch maps blenders BLI_task_* function to their counterpart. After this patch we can add more patterns. A promising one is TBB:graph that can be used for depsgraph, draw manager and compositor.
Performance changes depends on the actual hardware. It was tested on different hardwares from laptops to workstations and we didn't detected any downgrade of the performance.
* Linux Xeon E5-2699 v4 got FPS boost from 12 to 17 using Spring's 04_010_A.anim.blend.
* AMD Ryzen Threadripper 2990WX 32-Core Animation playback goes from 9.5-10.5 FPS to 13.0-14.0 FPS on Agent 327 , 10_03_B.anim.blend.
Reviewed By: brecht, sergey
Differential Revision: https://developer.blender.org/D7475
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The spelling should match exactly between how package is called in
find_package and in FIND_PACKAGE_HANDLE_STANDARD_ARGS.
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The OpenXR-SDK contains utilities for using the OpenXR standard
(https://www.khronos.org/openxr/). Namely C-headers and a so called
"loader" to manage runtime linking to OpenXR platforms ("runtimes")
installed on the user's system.
The WITH_XR_OPENXR build option is disabled by default for now, as there
is no code using it yet. On macOS it will remain disabled for now, it's
untested and there's no OpenXR runtime in sight for it.
Some points on the OpenXR-SDK dependency:
* The repository is located at
https://github.com/KhronosGroup/OpenXR-SDK (Apache 2).
* Notes on updating the dependency:
https://wiki.blender.org/wiki/Source/OpenXR_SDK_Dependency
* It contains a bunch of generated files, for which the sources are in a
separate repository
(https://github.com/KhronosGroup/OpenXR-SDK-Source).
* We could use that other repo by default, but I'd rather go with the
simpler solution and allow people to opt in if they want advanced dev
features.
* We currently use the OpenXR loader lib from it and the headers.
* To use the injected OpenXR API-layers from the SDK (e.g. API
validation layers), the SDK needs to be compiled from this other
repository.
The extra "XR_" prefix in the build option is to avoid mix-ups of OpenXR
with OpenEXR.
Most of this comes from the 2019 GSoC project, "Core Support of Virtual
Reality Headsets through OpenXR"
(https://wiki.blender.org/wiki/User:Severin/GSoC-2019/).
Differential Revision: https://developer.blender.org/D6188
Reviewed by: Campbell Barton, Sergey Sharybin, Bastien Montagne, Ray
Molenkamp
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On Linux, precompiled libraries may be made with a glibc version that is
incompatible with the system libraries that Blender is built on. To solve
this we add a few -ffast-math symbols that can be missing.
Differential Revision: https://developer.blender.org/D6930
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This extends FindOpenShadingLanguage.cmake to also look for the location of
stdosl.h and adds the path to the invocation of oslc to deal with the headers
being in different locations a little better.
Differential Revision: https://developer.blender.org/D6865
Reviewers: brecht
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This commit adds the download, extract, patch, build, and install of the
Universal Scene Description (USD) library to the `install_deps.sh`
script.
Reviewed By: mont29, LazyDodo
Differential Revision: https://developer.blender.org/D6478
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Reduce the number of possible locations used to find libraries,
to simplify troubleshooting.
Only keep '*_ROOT_DIR' and the path used by 'install_deps.sh'.
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An educated guess to put ensure order of static libraries initialization.
A bit weird, since OpenImageDenoise should be depending on TBB, but that
is likely being ensured by bf_compositor.
Linking succeeded on my Intel machine, and blenloader_test was passing
when doing manual test on buildbot.
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Similar fix as the one we did for the blender executable, see T72015.
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