[Bug 103801] [i965] >Observer_ issue

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103801

            Bug ID: 103801
           Summary: [i965] >Observer_ issue
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: intel-3d-bugs at lists.freedesktop.org
          Reporter: d.spitznagel at goodbytez.de
        QA Contact: intel-3d-bugs at lists.freedesktop.org

Hello Intel team,

I took the risk and bought >Observer_ which is not supported on Intel and AMD
by the game developers but Nvidia blob.

There is an issue where you open a door to enter the next room.
You can see the next room through the open door, but when you pass the door the
game renders into total black.
Moving back renders the first room back and you can see again the second room
through the doorway.
It's like someone turns off all lights.

I did an apitrace of this issue.
When I replay it I see nothing but a black window, but the replay definetly
shows some GL_INVALID_OPERATION errors in the shell.

Did I something wrong??? I used...
DEBUGGER="apitrace trace" steam steam://rungameid/514900

Using this command with another appid worked as expected.

To whom of you can I send a download link for the trace as I think it's not
meant for public?

By the way... AMD (radeonsi) users have exactly the same problem when you read
the discussions at steam.

My specs:
Intel Haswell Iris Pro 5200
Libdrm 2.4.84
Kernel 4.9.60
Xorg 1.19.5

darius at pc1:~$ glxinfo | grep OpenGL
OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) Haswell Desktop 
OpenGL core profile version string: 4.5 (Core Profile) Mesa 17.4.0-devel
(git-501591e852)
OpenGL core profile shading language version string: 4.50
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
OpenGL version string: 3.0 Mesa 17.4.0-devel (git-501591e852)
OpenGL shading language version string: 1.30
OpenGL context flags: (none)
OpenGL extensions:
OpenGL ES profile version string: OpenGL ES 3.1 Mesa 17.4.0-devel
(git-501591e852)
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.10
OpenGL ES profile extensions:

Tried also mesa 17.3.0-rc4 and 17.2.5 without luck.

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