Function CVMetalTextureCacheCreateTextureFromImage 

pub unsafe extern "C" fn CVMetalTextureCacheCreateTextureFromImage(
    allocator: CFAllocatorRef,
    textureCache: CVMetalTextureCacheRef,
    sourceImage: CVImageBufferRef,
    textureAttributes: CFDictionaryRef,
    pixelFormat: usize,
    width: usize,
    height: usize,
    planeIndex: usize,
    textureOut: *mut CVMetalTextureRef,
) -> CVReturn

Apple SDK function CVMetalTextureCacheCreateTextureFromImage.