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To run it, you need latest version of Adreno GPU driver: https://www.qualcomm.com/products/mobile/snapdragon/pcs-and-tablets/snapdragon-8-series-mobile-compute-platforms/snapdragon-8cx-gen-3-compute-platform#Software
Status
WIP - “lite” working with some patches. “Release” needs dependencies enabling first, which is WIP.
Dependencies
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Dependencies are being enabled one by one, the cmakelists which shows ones that are not commented out is PR to blender ongoing for full release builds.
Dependencies
All are enabled except OpenPGL, DPCPP, and OIDN2.
A full list can be seen here: https://gitlabprojects.blender.comorg/Linaroblender/windowsonarm/forks/blender/-src/blobbranch/woamain/build_files/build_environment/CMakeLists.txtAny commented out ones are not yet enabled.cmake/versions.cmake
Todo
Finish cleaning up code for a patch to push up to blender mainlineEngage with upstream for PR.
Known Limitations
There are assumptions within blender's codebase that "Windows == x64", which need to be worked out - some things (such as stack traces) won’t work because of thisOnly 8cx Gen3 and above devices work. OIDN does not wor, and must be unchecked for cycles renders to complete successfully.
Compiling notes
This must be done on a WoA machine - cross-compiling is not yet supported.
Compiling via build script
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It currently pulls our internal fork of blender, which has patches applied that are required to compile/run Blender. Some dependencies are enabled via this script, but not enough to consider it a full “release”.
To use:
Set up arm64 wenv: https://gitlab.com/Linaro/windowsonarm/wenv/
Clone repo
Execute
build./recipe.bat sh origin/part-2-patch-mrwoa out_dirfrom a wenv bash terminal - ie, not a vcvarsall/plain CMD instance!Wait for build to complete
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