Constant D3DKMT_MULTIPLANE_OVERLAY_STEREO_FORMAT_HORIZONTAL
pub const D3DKMT_MULTIPLANE_OVERLAY_STEREO_FORMAT_HORIZONTAL: D3DKMT_MULTIPLANE_OVERLAY_STEREO_FORMAT = 1i32;
pub const D3DKMT_MULTIPLANE_OVERLAY_STEREO_FORMAT_HORIZONTAL: D3DKMT_MULTIPLANE_OVERLAY_STEREO_FORMAT = 1i32;