[Mesa-dev] [android-x86-devel] [RFC 7/7] android: support swrast

[Mauro Rossi]

Hi,

I'm an update about external/llvm status

android-n-preview-2 switched to llvm 3.8.0, the following branch has AMDGPU
patches,
even if named after marshamallow, changes were made on top llvm 3.8.0,
after aosp switched with android-n-preview2:

https://github.com/maurossi/llvm/tree/marshmallow-x86_llvm380_WIP2

NOTE: the latest branch is untested because I could not complete build with
marshmallow and I did not dare to try building master,
before Chih-Wei porting.

The important thing is that between n-preview-1 and n-preview-2  (and AOSP
master before N-preview2) moved to llvm 3.8.0,
but I found in three distinct trials (master, n-preview-1, n-preview-2)
that llvm3.8.0 would break marshmallow-x86 build,
I have record of the build errors if needed.

As a final note I would recommend not to use the same llvm version for
different Android versions,
we tried that in the past and there were several build breakages,
so lollipop-x86 requires llvm 3.5.0, marshmallow-x86 requires 3.7.0 and
android-n will require 3.8.0

Mauro



2016-04-30 22:31 GMT+02:00 Paulo Sergio <pstglia at gmail.com>:

> > > I'm on AOSP master which probably means a different LLVM version.
> > > First, I had to enable several LLVM libs to build for the target and
> > > not just the host. In mesa, I had to set the LLVM version to 3.7 from
> > > 3.5, add libLLVMExecutionEngine to libmesa_nir and use libLLVM shared
> > > lib instead of r600 static libraries. I'm surprised similar changes
> > > aren't needed.
> > >
> > From memory Android-x86 (and/or Mauro) did have some LLVM and mesa (?)
> > changes to get LLVM and radeon(s) working. I think that most/all of
> > this work is over at github - https://github.com/maurossi
>
> When we were working to enable radeonsi on Android, we basically added
> lib/Target/R600/ target on Android.mk files and it's dependencies, as
> these were not included by AOSP by default
> See [1]
>
>
> [1] -
> https://github.com/maurossi/llvm/commit/571b37049a813fdb02631a20246ee3a4bc99760b
>
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