WGL_OML_sync_control http://www.opengl.org/registry/specs/OML/wgl_sync_control.txt WGL_OML_sync_control BOOL wglGetMscRateOML (HDC hdc, INT32* numerator, INT32 *denominator) BOOL wglGetSyncValuesOML (HDC hdc, INT64* ust, INT64 *msc, INT64 *sbc) INT64 wglSwapBuffersMscOML (HDC hdc, INT64 target_msc, INT64 divisor, INT64 remainder) INT64 wglSwapLayerBuffersMscOML (HDC hdc, INT fuPlanes, INT64 target_msc, INT64 divisor, INT64 remainder) BOOL wglWaitForMscOML (HDC hdc, INT64 target_msc, INT64 divisor, INT64 remainder, INT64* ust, INT64 *msc, INT64 *sbc) BOOL wglWaitForSbcOML (HDC hdc, INT64 target_sbc, INT64* ust, INT64 *msc, INT64 *sbc)