Version 1 of Basemark GPU supports OpenGL 4.5, OpenGL ES 3.1 and Vulkan 1.0 graphics APIs across Windows, Linux and Android directly. The firm is actively working on releases that can support and give test results via Apple Metal and Windows DirectX APIs too.
More info and download at: https://www.basemark.com/products/basemark-gpu/
More info and download at: https://www.basemark.com/products/basemark-gpu/