pub unsafe extern "C" fn CVOpenGLBufferAttach(
openGLBuffer: CVOpenGLBufferRef,
cglContext: CGLContextObj,
face: GLenum,
level: GLint,
screen: GLint,
) -> CVReturnpub unsafe extern "C" fn CVOpenGLBufferAttach(
openGLBuffer: CVOpenGLBufferRef,
cglContext: CGLContextObj,
face: GLenum,
level: GLint,
screen: GLint,
) -> CVReturn