Sven, awesome! You were right, I already have them - using your glxinfo statement I get:
> $ glxinfo |grep "OpenGL core profile version" > OpenGL core profile version string: 4.3 (Core Profile) Mesa 13.0.6 > SOLVED Thank you! --Brian On Thu, Jun 28, 2018 at 12:20 PM, Sven Joachim <svenj...@gmx.de> wrote: > On 2018-06-28 11:11 -0400, Brian Cary wrote: > > > Greetings, > > New to Debian, long-time Ubuntu user. If is in the wrong place, > apologies, > > please point me in the right direction. > > > > QUESTION: > > Can some-one tell me how (or point me to updated step-by-step docs) to > > update > > my Debian 9.4 system (with Gnome) to at least OpenGL 3.3 mesa drivers? > > > > BACKGROUND: > > Avid Blender user. Those latest versions of Blender contain critically > > needed features. I would like to start working/learning on > not-yet-released > > Blender 2.8 which comes out late in 2018. > > > > Blender 2.8 requires OpenGL 3.3 > > (per here: https://www.blender.org/2-8/#viewport ) > > > > Debian 9.4 seems to have OpenGL 3.0 > > On my system: > > > > $ glxinfo |grep "OpenGL version" > >> OpenGL version string: 3.0 Mesa 13.0.6 > >> > > > > So how can I upgrade Mesa drivers to a level that supports > > at least OpenGL 3.3 (or higher)? > > You probably already have them. From the release notes: > > ,---- > | Mesa 13.0.6 implements the OpenGL 4.4 API, but the version reported by > | glGetString(GL_VERSION) or glGetIntegerv(GL_MAJOR_VERSION) / > | glGetIntegerv(GL_MINOR_VERSION) depends on the particular driver being > | used. Some drivers don't support all the features required in OpenGL > | 4.4. OpenGL 4.4 is only available if requested at context creation > | because compatibility contexts are not supported. > `---- > > IIUC the last sentence is why "OpenGL version string" is stuck at 3.0. > To see the maximum OpenGL version the driver supports, you need to look > at the "OpenGL core profile version" string. > > $ glxinfo | grep "OpenGL core profile version" > > It should report 3.3 or higher unless your graphics card is older than > ~10 years. > > Cheers, > Sven > > -- --Brian
