Gallium-Nine-Standalone: Making Gallium D3D9 Easier To Use On Wine

At least until D3D9-over-Vulkan is in better shape, the means by which you can achieve the greatest Direct3D 9 performance right now under Wine/Linux is by using Gallium3D's "Nine" state tracker. Unfortunately though upstream Wine developers have been reluctant to support it upstream since its limited to just Linux and of that just Gallium3D drivers, but Gallium-Nine-Standalone makes this support easier to deploy across Wine versions...