[Mesa-users] Etnaviv support in Mesa

[Albert Freeman]

Gallium has code that allows gallium drivers to be used with the dri
interface. X uses that dri gallium code. It makes gallium drivers act
like dri ones.
I believe all you need is EGL and not GLX if you are using GL ES.
Though as soon as any software you are using requires GLX...
I am not entirely sure if etnaviv uses llvm so you can perhaps leave
that out below.

Here is a mesa config that can run X with OpenGL ES (so all the flags you need):

  ./configure --prefix=/usr \
    --sysconfdir=/etc \
    --with-dri-driverdir=/usr/lib/xorg/modules/dri \
    --with-gallium-drivers=etnaviv \
    --with-dri-drivers= \
    --with-egl-platforms=x11,drm,wayland \
    --with-sha1=libgcrypt \
    --disable-xvmc \
    --enable-gallium-llvm \
    --enable-llvm-shared-libs \
    --enable-shared-glapi \
    --enable-egl \
    --enable-glx \
    --enable-glx-tls \
    --enable-gles1 \
    --enable-gles2 \
    --enable-gbm \
    --enable-dri \
    --enable-texture-float \
    --enable-opencl --enable-opencl-icd \
    --with-clang-libdir=/usr/lib


On 17 October 2016 at 16:12, Gaylord Charles
<gaylord.charles at veo-labs.com> wrote:
> Hello,
>
> I'm working on an i.MX6 based board and I'm interested in Vivante GPU
> support. My goal is to run an OpenGL ES-based application on X server with
> hardware acceleration.
> I know there is ongoing work to include etnaviv support in Mesa but I'm
> trying to make it work on my side (mainly by compiling code from
> https://github.com/etnaviv).
> I've got:
>  - A 4.6.7 kernel with etnaviv DRM driver
>  - libdrm with etnaviv drm support (version 2.4.71)
>  - Mesa 12.0_etnaviv branch from https://github.com/etnaviv/mesa/
>  - Mesa3d-demos version 8.3.0 (I'm using glxinfo and glxgears to check
> OpenGL support)
>
> If my understanding is correct, I also need:
>  - xf86-video-armada (I took unstable-devel branch from
> http://git.arm.linux.org.uk/cgit/xf86-video-armada.git/) and the following
> dependencies:
>     - libdrm-armada (git://ftp.arm.linux.org.uk/~rmk/libdrm-armada.git/)
>     - libetnaviv
> (https://github.com/etnaviv/etna_viv/tree/master/src/etnaviv)
>
> Is it the right way to proceed ?
>
> Concerning Mesa configuration, I'm a little bit confused about Gallium and
> DRI. Etnaviv is a Gallium driver, so do I need to use --enable-dri or
> --enable-driglx-direct.
> For example in Buildroot, I have to select DRI swrast driver to have
> "--enable-driglx-direct" defined.
>
> Regards,
> Gaylord CHARLES
>
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