Vivante GPU and OpenGL 3 / Vulkan

[praveen.arimbrathodi]

Yay! It is now working with MESA_GLES_VERSION_OVERRIDE=3.0 environment variable and my patched version of mesa!

@agx suggested this here Guido Günther: „@austriancoder@fosstodon.org @praveen@social.mast…“ - ruhr.social