pub unsafe extern "C" fn CVOpenGLBufferPoolCreate(
allocator: CFAllocatorRef,
poolAttributes: CFDictionaryRef,
openGLBufferAttributes: CFDictionaryRef,
poolOut: *mut CVOpenGLBufferPoolRef,
) -> CVReturnpub unsafe extern "C" fn CVOpenGLBufferPoolCreate(
allocator: CFAllocatorRef,
poolAttributes: CFDictionaryRef,
openGLBufferAttributes: CFDictionaryRef,
poolOut: *mut CVOpenGLBufferPoolRef,
) -> CVReturn