compile out of the box: master (commit b45fe171bc11b6eabee474bc7978d98c786f147a) about xcsoar HOT 18 CLOSED

thomas@Dell-Thomas:~$ glxinfo | grep "OpenGL"
OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) Sandybridge Mobile
OpenGL core profile version string: 3.3 (Core Profile) Mesa 13.0.6
OpenGL core profile shading language version string: 3.30
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
OpenGL version string: 3.0 Mesa 13.0.6
OpenGL shading language version string: 1.30
OpenGL context flags: (none)
OpenGL extensions:
OpenGL ES profile version string: OpenGL ES 3.0 Mesa 13.0.6
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.00
OpenGL ES profile extensions:
thomas@Dell-Thomas:~$

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OpenGL vendor string: X.Org
OpenGL renderer string: AMD Radeon (TM) RX 480 Graphics (POLARIS10, DRM 3.27.0, 4.20.6-heron, LLVM 7.0.1)
OpenGL core profile version string: 4.5 (Core Profile) Mesa 18.3.2
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: 4.5 (Compatibility Profile) Mesa 18.3.2
OpenGL shading language version string: 4.50
OpenGL context flags: (none)
OpenGL profile mask: compatibility profile
OpenGL extensions:
OpenGL ES profile version string: OpenGL ES 3.2 Mesa 18.3.2
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.20
OpenGL ES profile extensions:

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Please check your OpenGL Version with following command and make it public:

glxinfo | grep "OpenGL"

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can you use git bisect to check what commit introduced these issues for you?

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OK this is the first bad one:
67a9a19

this is the last good one:
faf7e21

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sounds like your system does not support GLSL 🤔

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It seems, that GLSL is supported:

OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) Sandybridge Mobile
OpenGL core profile version string: 3.3 (Core Profile) Mesa 13.0.6
OpenGL core profile shading language version string: 3.30
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
OpenGL version string: 3.0 Mesa 13.0.6
OpenGL shading language version string: 1.30
OpenGL context flags: (none)
OpenGL extensions:
OpenGL ES profile version string: OpenGL ES 3.0 Mesa 13.0.6
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.00
OpenGL ES profile extensions:

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interesting, then I'm out of ideas. maybe @MaxKellermann know more about this.

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I added a comment in 67a9a19#diff-03ee6a1a77c6809ec9e0ac6597f95f9dL55 - perhaps this is what's the cause of this issue?

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I have the same problem when building it with my docker environment. Its the diff @rawtaz mentioned.
Free storage 6433508 KB
Starting XCSoar XCSoar v7.0_preview12-Linux~git#c7e55bffa7
Display dpi=96,96
OpenGL: npot=1 fbo=1 stencil=0x84f9
Initialise fonts
Entering shutdown...
Free storage 6433504 KB
Stop threads
Waiting for calculation thread
delete MapWindow
Save default task
Close Progress Dialog
Close Windows - main
Free storage 6433504 KB
Finished shutdown

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@ThHanika What command should one run to check the GL stuff like you did above? It never hurts to include commands with the corresponding output ;)

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Is it working on other OpenGL Version?

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I have no such problem with the amdgpu driver and a Radeon RX 480.

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OK, it is not the INTEL-driver...

Version of OpenGL ES GLSL ES 3.xx ?
Which version is used in Android, Openvario and Linux?

OpenGL vendor string: VMware, Inc.
OpenGL renderer string: Gallium 0.4 on llvmpipe (LLVM 3.9, 256 bits)
OpenGL core profile version string: 3.3 (Core Profile) Mesa 13.0.6
OpenGL core profile shading language version string: 3.30
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
OpenGL version string: 3.0 Mesa 13.0.6
OpenGL shading language version string: 1.30
OpenGL context flags: (none)
OpenGL extensions:
OpenGL ES profile version string: OpenGL ES 3.0 Mesa 13.0.6
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.00
OpenGL ES profile extensions:

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OK I installed ubuntu-18.04.1-desktop-amd64

OpenGL vendor string: VMware, Inc.
OpenGL renderer string: llvmpipe (LLVM 7.0, 256 bits)
OpenGL core profile version string: 3.3 (Core Profile) Mesa 18.2.2
OpenGL core profile shading language version string: 3.30
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
OpenGL version string: 3.1 Mesa 18.2.2
OpenGL shading language version string: 1.40
OpenGL context flags: (none)
OpenGL extensions:
OpenGL ES profile version string: OpenGL ES 3.0 Mesa 18.2.2
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.00
OpenGL ES profile extensions:

this works!!!!!

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It seems, it is a mesa version problem

No chance to update mesa on my "debian stretch" development-system . Too old debian-packets

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Bin auf XUbuntu gewechselt: Version 18.04.1 = geht!!!

OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) Sandybridge Mobile
OpenGL core profile version string: 3.3 (Core Profile) Mesa 18.2.2
OpenGL core profile shading language version string: 3.30
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
OpenGL version string: 3.0 Mesa 18.2.2
OpenGL shading language version string: 1.30
OpenGL context flags: (none)
OpenGL extensions:
OpenGL ES profile version string: OpenGL ES 3.0 Mesa 18.2.2
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.00
OpenGL ES profile extensions:

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OK Closed, it is not a xcsoar development problem.

It is a version problem in Linux OpenGL Mesa Driver
buggy: OpenGL version string: 3.0 Mesa 13.0.6
OK: OpenGL version string: 3.1 Mesa 18.2.2

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