Re: [OE-core] [meta-oe][PATCH] libva: Removed virtual/mesa dependency

["Anuj Mittal" <anuj.mittal@intel.com>]

On Sat, 2020-04-25 at 12:38 -0700, Bartłomiej Burdukiewicz wrote:
> On Sat, Apr 25, 2020 at 06:46 AM, Khem Raj wrote:
> 
> > On 4/24/20 8:01 AM, Bartłomiej Burdukiewicz wrote: > Mesa can be
> > compiled with libva support, in order to avoid recursive >
> > dependency between mesa and libva, virtual/mesa must be removed >
> > from libva recipe. > > Signed-off-by: Bartłomiej Burdukiewicz
> > bartlomiej.burdukiewicz@gmail.com > --- > meta/recipes-
> > graphics/libva/libva_2.6.1.bb | 2 +- > 1 file changed, 1
> > insertion(+), 1 deletion(-) > > diff --git a/meta/recipes-
> > graphics/libva/libva_2.6.1.bb b/meta/recipes-
> > graphics/libva/libva_2.6.1.bb > index 92cea83bc1..c1a441a18b 100644
> > > --- a/meta/recipes-graphics/libva/libva_2.6.1.bb > +++
> > b/meta/recipes-graphics/libva/libva_2.6.1.bb > @@ -23,7 +23,7 @@
> > SRC_URI[sha256sum] =
> > "6c57eb642d828af2411aa38f55dc10111e8c98976dbab8fd62e4862940 > >
> > UPSTREAM_CHECK_URI = "https://github.com/intel/libva/releases" > >
> > -DEPENDS = "libdrm virtual/mesa" > +DEPENDS = "libdrm"
> > 
> > I am not sure how it will work with non-mesa graphics stacks. Or is
> > it non-issue ?
> > 
> 
> It looks like libva is designed to work without mesa (or other
> graphical stacks), since it's using libdrm to dispatch kernel calls. 
> https://en.wikipedia.org/wiki/Direct_Rendering_Manager#/media/File:DRM_architecture.svg
> 
> There is also ebuild in Gentoo for libva do not depend on mesa (
> https://data.gpo.zugaina.org/gentoo/x11-libs/libva/libva-2.6.1.ebuild
> ) or other graphical stacks (like nvidia-drivers or etc.).

I see a DEPEND on opengl there which is what glx backend in libva
expects:

https://github.com/intel/libva/blob/master/meson.build#L95

Just removing the dependency will force glx backend to not be built. Is
there software out there that expects libva-glx to be present?

Thanks,

Anuj