[Bug 75664] Unigine Valley & Heaven "error: syntax error, unexpected EXTENSION, expecting $end" IVB HD4000

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=75664

--- Comment #4 from Eero Tamminen <eero.t.tamminen at intel.com> ---
In the meanwhile, maybe appropriate workarounds could be added to Mesa drirc
also for Valley?


As to other issues with these demos, If I enable MSAA, I get a lot of these
warnings from Heaven & Valley:
----------
GLFrameBuffer::enable(): incomplete attachment
GLFrameBuffer::enable(): incomplete attachment
GLFrameBuffer::enable(): incomplete attachment
GLFrameBuffer::enable(): incomplete attachment
GLFrameBuffer::enable(): incomplete attachment
OpenGL error: invalid framebuffer operation
----------

And once:
  UserArray::push(): bad array index 4

On quick look, I don't see a visual problem in the demos though.


Whereas enabling MSAA for Tropics or Sanctuary demo completely breaks them with
Mesa.  I get lots of these errors:
-------------
0:165(89): error: bit-wise operations are forbidden in GLSL 1.10 (GLSL 1.30 or
GLSL ES 3.00 required)
GLShader::loadFragment(): error in
"core/shaders/meshes/fragment_leaf_ambient.shader" file
-------------

Trying to force indicated GLSL version or disabling bit encoding with Mesa
environment variables to work around the issue doesn't have any effect on it.

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