Radeon HD 7870 | Geo Shaders Ext | Fedora 21

Hey guys,

the last few days I was wondering if I had a working geometry shader 
extension and then in which mesa version it would come. Maybe I am 
overlooking something. I tried to find the extension with glxinfo and 
tried a shader demo of opentk.
I own a Radeon HD 7870 and I am using the free radeon drivers that come 
with fedora, so radeon. I found that the shader should be there for 
southern island, like written here: 
http://mesamatrix.net/#Version_OpenGL3.2-GLSL1.50_Extension_Geometryshaders 
and http://www.x.org/wiki/RadeonFeature/
So, Problem is that I have no clue if the feature is actually available, 
which version of mesa, wether there was some news about this (Did google 
or duckduckgo it :P) or or or. So Im kinda confused because of all the 
green fields on the feature site.
Do you know if the geometry shader extension is working with the free 
driver?

Many thanks,
AxP

> OpenGL vendor string: X.Org
> OpenGL renderer string: Gallium 0.4 on AMD PITCAIRN
> OpenGL core profile version string: 3.3 (Core Profile) Mesa 10.4.3
> OpenGL core profile shading language version string: 3.30
> OpenGL core profile context flags: (none)
> OpenGL core profile profile mask: core profile

> mesa-dri-drivers.x86_64 10.4.3-1.20150124.fc21
> mesa-filesystem.x86_64           10.4.3-1.20150124.fc21
> mesa-libEGL.i686                 10.4.3-1.20150124.fc21
> mesa-libEGL.x86_64               10.4.3-1.20150124.fc21
> mesa-libEGL-devel.x86_64         10.4.3-1.20150124.fc21
> mesa-libGL.i686                  10.4.3-1.20150124.fc21
> mesa-libGL.x86_64                10.4.3-1.20150124.fc21
> mesa-libGL-devel.x86_64          10.4.3-1.20150124.fc21
> mesa-libGLES.x86_64              10.4.3-1.20150124.fc21
> mesa-libGLU.x86_64               9.0.0-7.fc21 @koji-override-0/$releasever
> mesa-libgbm.i686                 10.4.3-1.20150124.fc21
> mesa-libgbm.x86_64               10.4.3-1.20150124.fc21
> mesa-libglapi.i686               10.4.3-1.20150124.fc21
> mesa-libglapi.x86_64             10.4.3-1.20150124.fc21
> mesa-libwayland-egl.x86_64       10.4.3-1.20150124.fc21
> mesa-libxatracker.x86_64         10.4.3-1.20150124.fc21

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