OptionalantiMultisample anti-aliasing level, defaulting to 0.
OptionalattributeContext attribute bit flags, defaulting to Default.
OptionaldepthDepth buffer bits, defaulting to 0.
OptionalmajorRequested OpenGL major version, defaulting to 1.
OptionalminorRequested OpenGL minor version, defaulting to 1.
OptionalsWhether to request an sRGB framebuffer, defaulting to false.
OptionalstencilStencil buffer bits, from 0 to 32, defaulting to 0.
SFML context requests; omitted members use SFML's defaults.