Description
User request to pick a specific graphics adapter (e.g. when using a integrated graphics card with a discrete oneFor Windows D3D, unless a specific adapter is chosen we reject Microsoft adapters because we don't want the software emulationThis takes precedence over -prefer{AMD|NVidia|Intel} when the value is >= 0 -2: Take the first one that fulfills the criteri -1: Favour non integrated because there are usually faster (default 0: Adapter # 1: Adapter #1, ...
