[Bug 110229] The driver is not waiting the shader have finished to update the framebuffer before displaying it.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110229

--- Comment #2 from Laurent <laurentduroisin at gmail.com> ---
I've installed mesa 19 :

glxinfo | grep OpenGL
OpenGL vendor string: X.Org
OpenGL renderer string: AMD CEDAR (DRM 2.50.0 / 4.15.0-46-generic, LLVM 8.0.0)
OpenGL core profile version string: 3.3 (Core Profile) Mesa 19.1.0-devel
(git-1501207 2019-03-23 bionic-oibaf-ppa)
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 19.1.0-devel (git-1501207 2019-03-23
bionic-oibaf-ppa)
OpenGL shading language version string: 1.40
OpenGL context flags: (none)
OpenGL extensions:
OpenGL ES profile version string: OpenGL ES 3.1 Mesa 19.1.0-devel (git-1501207
2019-03-23 bionic-oibaf-ppa)
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.10
OpenGL ES profile extensions:

But I've still the same problem, shader output data are processed after the
framebuffer is updated so it doens't display anything. (Or only a part of the
scene in some rare cases)

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