[Mesa-dev] Static/shared pipe-drivers (was megadriver/pipe-loader-to-all)

Emil Velikov emil.l.velikov at gmail.com
Mon Jun 23 11:12:47 PDT 2014

On 23/06/14 18:07, Aaron Watry wrote:
> On my machine, ${PREFIX}/lib/vdpau contains:
> libvdpau_gallium.so.1 -> libvdpau_r600.so.1.0.0
> libvdpau_r600.so*
> libvdpau_radeonsi.so*
> Note that libvdpau_gallium.so.1 is only created when I force an
> ldconfig on my system (until then, I just have
> libvdpau_[r600|radeonsi]*)
What do you mean with "force an ldconfig" ? Does [1] help ?

> For some reason, while the files are in the same place, mplayer -vo
> vdpau chokes on loading these files now.  If I copy
> libvdpau_r600.so.1.0.0 to /usr/local/lib/libvdpau_r600.so, then
> mplayer (-vo vdpau) picks it up and plays without issue.  Is the VDPAU
> backend loader looking in the wrong directory?

The path of the vdpau backends is hard-coded in libvdapu at build time.
vdpau/master can pick the path via VDPAU_DRIVER_PATH but there is no vdpau
release that has it afaik.


[1] http://patchwork.freedesktop.org/patch/28378/

> --Aaron
> On Mon, Jun 23, 2014 at 11:42 AM, Emil Velikov <emil.l.velikov at gmail.com> wrote:
>> On 23/06/14 16:10, Andy Furniss wrote:
>>> Emil Velikov wrote:
>>>> Hi all,
>>>> These patches add support for building (grouping) the various targets
>>>> per API, meaning that only one library will be created  for e.g.
>>>> vdpau (libvdpau_gallium) with individual ones (libvdpau_r600) being a
>>>> hardlink to it.
>>> How is this supposed to work from a users point of view, by which I mean
>>> that it seems if I build current mesa I no longer have vdpau.
>> Yes I had a few copy/paste typos that were causing make install to fall short
>> when generating the (sym|hard)links. Should be fixed with commit 11e46a32aed.
>> Let me know if latest master work for you.
>> -Emil
>>> Of course I do if I leave the old libs in place it still uses them, but
>>> if I remove them I get no new links installed.
>>> ./autogen.sh --prefix=/usr --enable-texture-float
>>> --with-egl-platforms=x11,drm --with-gallium-drivers=radeonsi,swrast
>>> --enable-opencl --enable-vdpau  --e--prefix you use to compile it. So if you're putting mesa into anable-gbm --enable-shared-glapi
>>> --enable-glx-tls --with-dri-drivers= && make -j5
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