[Mesa-dev] [Bug 91888] EGL Wayland software rendering no longer work after regression

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=91888

--- Comment #16 from Pekka Paalanen  ---
(In reply to nerdopolis1 from comment #15)
> Doesn't seem that break _mesa_error works, it's not defined...

It should become defined once all the related Mesa libraries get loaded. Looks
like 'start' is not enough to pull all shared objects in, the driver needs to
load also. Just let it pend "on future shared library load".

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[Mesa-dev] [Bug 91888] EGL Wayland software rendering no longer work after regression

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=91888

--- Comment #17 from nerdopol...@verizon.net ---
Argh, I tried to recompile mesa master with all of the symbols, and now SDL is
working, not sure what to think now...

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[Mesa-dev] [Bug 91888] EGL Wayland software rendering no longer work after regression

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=91888

--- Comment #18 from Daniel Stone  ---
How about 'hooray, it's fixed'? :)

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[Mesa-dev] [Bug 91888] EGL Wayland software rendering no longer work after regression

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=91888

--- Comment #19 from nerdopol...@verizon.net ---
I didn't see any thing in the changelog for 'egl' that looked like it might be
a fix... Not 100% sure though

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[Mesa-dev] [Bug 91888] EGL Wayland software rendering no longer work after regression

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=91888

--- Comment #20 from nerdopol...@verizon.net ---
And now all the examples from qtbase/examples/opengl are working as well even
after exporting LIBGL_ALWAYS_SOFTWARE as well with mesa master.
including contextinfo, qopenglwidget, qopenglwindow, and threadedqopenglwindow

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[Mesa-dev] [Bug 91888] EGL Wayland software rendering no longer work after regression

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=91888

--- Comment #15 from nerdopol...@verizon.net ---
(In reply to Daniel Stone from comment #14)
> Ugh, so I think I'm using the same options, and I can't see what's going
> wrong with either big GL or GLES. To be honest, I'm at a total loss ... can
> you break on _mesa_error when running SDL to see where it's triggered?

Doesn't seem that break _mesa_error works, it's not defined...

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[Mesa-dev] [Bug 91888] EGL Wayland software rendering no longer work after regression

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=91888

--- Comment #14 from Daniel Stone  ---
Ugh, so I think I'm using the same options, and I can't see what's going wrong
with either big GL or GLES. To be honest, I'm at a total loss ... can you break
on _mesa_error when running SDL to see where it's triggered?

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[Mesa-dev] [Bug 91888] EGL Wayland software rendering no longer work after regression

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=91888

--- Comment #11 from Daniel Stone  ---
strictly:~/src/misc/SDL/test% LIBGL_ALWAYS_SOFTWARE=1 ./testgl2
INFO: Screen BPP: 0
INFO: Swap Interval : 0
INFO: Window Size   : 640,480
INFO: Draw Size : 640,480
INFO: 
INFO: Vendor: VMware, Inc.
INFO: Renderer  : Gallium 0.4 on llvmpipe (LLVM 3.7, 256 bits)
INFO: Version   : 3.0 Mesa 11.1.0-devel (git-f4f30ad)
[...]
^CINFO: 189.75 frames per second

Do I need any special configure flags or anything ... ?

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[Mesa-dev] [Bug 91888] EGL Wayland software rendering no longer work after regression

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=91888

--- Comment #12 from Daniel Stone  ---
(Testing with an ES2-only build of SDL still worked as well, in the sense that
both accelerated and software-only gave me a black window and consumed a lot of
resources whilst failing to render anything. But initialisation worked fine.)

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[Mesa-dev] [Bug 91888] EGL Wayland software rendering no longer work after regression

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=91888

--- Comment #13 from nerdopol...@verizon.net ---
I compiled SDL master (well default, since it's an HG repo)
./autogen.sh 
./configure --prefix=$INSTALLDIR --libdir=$INSTALLDIR/lib/$(dpkg-architecture
-qDEB_HOST_MULTIARCH) 


I also ran it under Wayland with
export SDL_VIDEODRIVER=wayland


but it does seem that the SDL issue might have been caused by something later
than b2c5986ea1c8e66c4e0a05bcacbcf28c27f5b183, so it could be a separate issue,
but I'm not sure what SDL doing to know what to report?

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[Mesa-dev] [Bug 91888] EGL Wayland software rendering no longer work after regression

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=91888

--- Comment #10 from nerdopol...@verizon.net ---
unfortunately, if I knew how to write a test case...

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[Mesa-dev] [Bug 91888] EGL Wayland software rendering no longer work after regression

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=91888

--- Comment #8 from Emil Velikov  ---
(In reply to nerdopolis1 from comment #7)
> It seems that mesa master's software rendering also causes some problems
> with SDL v2, and the testgl2 application that is in their repository for
> Wayland
> 
> Reverting Mesa to 10.6 allows this application to work
> 
> otherwise I get
> 
> libEGL Debug: EGL user error 0x3001 (EGL_NOT_INITIALIZED) in eglInitilize

Mind opening up a separate bug, and attaching a test case that does not depend
on SDL. Wayland support is not amongst my priority list, so if I have to debug
SDL/Qt/etc. I will likely go to near the bottom of my list.

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[Mesa-dev] [Bug 91888] EGL Wayland software rendering no longer work after regression

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=91888

--- Comment #9 from Emil Velikov  ---
For future reference the qtwayland bug is
https://bugreports.qt.io/browse/QTBUG-48166

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[Mesa-dev] [Bug 91888] EGL Wayland software rendering no longer work after regression

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=91888

--- Comment #7 from nerdopol...@verizon.net ---
It seems that mesa master's software rendering also causes some problems with
SDL v2, and the testgl2 application that is in their repository for Wayland

Reverting Mesa to 10.6 allows this application to work

otherwise I get

libEGL Debug: EGL user error 0x3001 (EGL_NOT_INITIALIZED) in eglInitilize

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[Mesa-dev] [Bug 91888] EGL Wayland software rendering no longer work after regression

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=91888

--- Comment #6 from Emil Velikov  ---
(In reply to Giulio Camuffo from comment #5)
> (In reply to Daniel Stone from comment #2)
> > I think that commit is a a red herring. 0x3098 is
> > EGL_CONTEXT_CLIENT_VERSION, and Mesa has recently gained more strictness:
> >  if ((api != EGL_OPENGL_ES_API &&
> >  (!dpy->Extensions.KHR_create_context || api !=
> > EGL_OPENGL_API))) {
> >err = EGL_BAD_ATTRIBUTE;
> >break;
> >  }
> > 
> > I suspect QWaylandGLContext is missing eglBindAPI(EGL_OPENGL_ES_API) before
> > context creation.
> 
> Nope, it does call it:
> http://code.qt.io/cgit/qt/qtwayland.git/tree/src/hardwareintegration/client/
> wayland-egl/qwaylandglcontext.cpp#n278
> 
> I also noticed that i can reproduce this with LIBGL_ALWAYS_SOFTWARE=1, but
> not when running on i965.

If you look at the code more closely you'll see that EGL_CONTEXT_CLIENT_VERSION
is set regardless of the API and presence of KHR_create_context. Both of which
rather important :)

With that said, I'll repeat my request - please flesh out a simple test app
(which does not depend on QT), before we jump on the pointing fingers train :-P

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[Mesa-dev] [Bug 91888] EGL Wayland software rendering no longer work after regression

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=91888

--- Comment #5 from Giulio Camuffo  ---
(In reply to Daniel Stone from comment #2)
> I think that commit is a a red herring. 0x3098 is
> EGL_CONTEXT_CLIENT_VERSION, and Mesa has recently gained more strictness:
>  if ((api != EGL_OPENGL_ES_API &&
>  (!dpy->Extensions.KHR_create_context || api !=
> EGL_OPENGL_API))) {
>err = EGL_BAD_ATTRIBUTE;
>break;
>  }
> 
> I suspect QWaylandGLContext is missing eglBindAPI(EGL_OPENGL_ES_API) before
> context creation.

Nope, it does call it:
http://code.qt.io/cgit/qt/qtwayland.git/tree/src/hardwareintegration/client/wayland-egl/qwaylandglcontext.cpp#n278

I also noticed that i can reproduce this with LIBGL_ALWAYS_SOFTWARE=1, but not
when running on i965.

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[Mesa-dev] [Bug 91888] EGL Wayland software rendering no longer work after regression

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=91888

Daniel Stone  changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |NOTOURBUG

--- Comment #4 from Daniel Stone  ---
Yeah, I would; it seems like Mesa is doing the right thing tbh.

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[Mesa-dev] [Bug 91888] EGL Wayland software rendering no longer work after regression

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=91888

--- Comment #2 from Daniel Stone  ---
I think that commit is a a red herring. 0x3098 is EGL_CONTEXT_CLIENT_VERSION,
and Mesa has recently gained more strictness:
 if ((api != EGL_OPENGL_ES_API &&
 (!dpy->Extensions.KHR_create_context || api != EGL_OPENGL_API))) {
   err = EGL_BAD_ATTRIBUTE;
   break;
 }

I suspect QWaylandGLContext is missing eglBindAPI(EGL_OPENGL_ES_API) before
context creation.

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[Mesa-dev] [Bug 91888] EGL Wayland software rendering no longer work after regression

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=91888

--- Comment #3 from nerdopol...@verizon.net ---
So, should I report this against qtwayland instead?

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[Mesa-dev] [Bug 91888] EGL Wayland software rendering no longer work after regression

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=91888

--- Comment #1 from Emil Velikov  ---
Hmm that's quite strange... the commit mentioned has nothing to do with context
creation. I'm slightly leaning towards a "not-our-bug" but I'd appreciate a
short test app that I can use to double-check :)

Thanks

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[Mesa-dev] [Bug 91888] EGL Wayland software rendering no longer work after regression

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=91888

Bug ID: 91888
   Summary: EGL Wayland software rendering no longer work after
regression
   Product: Mesa
   Version: git
  Hardware: Other
OS: All
Status: NEW
  Severity: normal
  Priority: medium
 Component: EGL/Wayland
  Assignee: wayland-b...@lists.freedesktop.org
  Reporter: nerdopol...@verizon.net
QA Contact: mesa-dev@lists.freedesktop.org

It seems that it was caused by commit b2c5986ea1c8e66c4e0a05bcacbcf28c27f5b183
and still exists in Master... 
exporting EGL_LOG_LEVEL=debug

and running a qtwayland application that uses egl:
libEGL debug: bad context attribute 0x3098
libEGL debug: EGL user error 0x3004 (EGL_BAD_ATTRIBUTE) in eglCreateContext

libEGL debug: bad context attribute 0x3098
libEGL debug: EGL user error 0x3004 (EGL_BAD_ATTRIBUTE) in eglCreateContext

21:53:31 [0]: QWaylandGLContext: failed to create EGLContext, error=3004

checking out the commit before b2c5986ea1c8e66c4e0a05bcacbcf28c27f5b183 and it
works. This is on a QEMU vm

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