AMD Radeon R9 290: Gallium3D vs. Catalyst Drivers

AMD Radeon R9 290: Gallium3D vs. Catalyst Drivers: After yesterday delivering the first open-source benchmarks of the Radeon R9 290, here's the open-source driver (RadeonSI Gallium3D) vs. closed-source driver (Catalyst) Linux OpenGL benchmarks for this high-end AMD Hawaii graphics card.