WGL_3DL_stereo_control https://www.khronos.org/registry/OpenGL/extensions/3DL/WGL_3DL_stereo_control.txt WGL_3DL_stereo_control WGL_STEREO_EMITTER_ENABLE_3DL 0x2055 WGL_STEREO_EMITTER_DISABLE_3DL 0x2056 WGL_STEREO_POLARITY_NORMAL_3DL 0x2057 WGL_STEREO_POLARITY_INVERT_3DL 0x2058 BOOL wglSetStereoEmitterState3DL (HDC hDC, UINT uState)