pub unsafe extern "C" fn CVOpenGLBufferPoolCreateOpenGLBuffer(
allocator: CFAllocatorRef,
openGLBufferPool: CVOpenGLBufferPoolRef,
openGLBufferOut: *mut CVOpenGLBufferRef
) -> CVReturnpub unsafe extern "C" fn CVOpenGLBufferPoolCreateOpenGLBuffer(
allocator: CFAllocatorRef,
openGLBufferPool: CVOpenGLBufferPoolRef,
openGLBufferOut: *mut CVOpenGLBufferRef
) -> CVReturn