[Mesa-dev] [PATCH 3/4] meson: build libEGL

[Dylan Baker]

Quoting Daniel Stone (2017-10-19 07:34:28)
> Hi Dylan,
> 
> On 19 October 2017 at 01:55, Dylan Baker <dylan at pnwbakers.com> wrote:
> > This is based heavily on Daniel Stone's work for the same, rebased on
> > master and with a number of TODO's fixed.
> >
> > This does not implement glvnd (which is coming in a later patch)
> >
> > Meson builds egl slightly differently than autotools, namely it doesn't
> > build an intermediate shared library. It doesn't do this because meson
> > doesn't have problems with the name of the library being dynamically
> > generated, so the glvnd and non-glvnd code can follow the same path.
> 
> Thanks a million for picking this up, and fixing all the egregious
> bugs / gaps / variable name inconsistency! Is this available in a
> fully-baked git branch somewhere?

https://github.com/dcbaker/mesa submit/meson-egl

> 
> > +linux_dmabuf_unstable_v1_protocol_c = custom_target(
> > +  'linux-dmabuf-unstable-v1-protocol.c',
> > +  input : wayland_dmabuf_xml,
> > +  output : 'linux-dmabuf-unstable-v1-protocol.c',
> > +  command : [prog_wl_scanner, 'code', '@INPUT@', '@OUTPUT@'],
> > +)
> > +
> > +linux_dmabuf_unstable_v1_client_protocol_h = custom_target(
> > +  'linux-dmabuf-unstable-v1-client-protocol.h',
> > +  input : wayland_dmabuf_xml,
> > +  output : 'linux-dmabuf-unstable-v1-client-protocol.h',
> > +  command : [prog_wl_scanner, 'client-header', '@INPUT@', '@OUTPUT@'],
> > +)
> 
> Could you please move these into src/egl/wayland/wayland-drm? They're
> not actually wl_drm of course, but I have patches out to use
> linux-dmabuf inside Vulkan as well, so having wl_drm and
> zwp_linux_dmabuf in the same place where it's just built once seems
> like an idea. Then it'd be trivial to hoist that out of src/egl/
> later.

Jason and I talked about this, and he thought that the better thing to do would
be to make a src/wsi folder that could have things like src/wsi/wayland,
src/wsi/x11, etc. and we could move it in there. I like that idea too, would
that be okay as follow up work?

> 
> > +libwayland_egl = shared_library(
> > +  'wayland-egl',
> > +  'wayland-egl.c',
> > +  c_args : [c_vis_args],
> > +  link_args : ld_args_gc_sections,
> > +  version : '1.0.0',
> > +  install : true,
> >  )
> 
> As a drive-by musing, is there a reason c_vis_args isn't part of the
> global arguments? I realised after the fact that I'd left it out of
> quite a few places in my branch.

There are actually some targets that don't have visibility flags set for them.
Maybe those are just oversights?

> 
> Other than that, it looks good to me, so:
> Reviewed-by: Daniel Stone <daniels at collabora.com>
> 
> Cheers,
> Daniel
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