小编the*_*ker的帖子

我需要帮助来替换MTLBuffer的内容而不创建新的内容.两种情况下的内容都是Float Arrays.

let vector:[Float] = [0,1,2,3,4,5,6,7,8,9]   
let byteLength = arr1.count*MemoryLayout<Float>.size
let buffer = metalDevice.makeBuffer(bytes: &vector, length: byteLength, options: MTLResourceOptions())

let vector2:[Float] = [10,20,30,40,50,60,70,80,90]

我理解buffer.contents()为我们提供了一个UnsafeMutableRawPointer.我想从vector2创建一个新的UnsafeMutableRawPointer 并替换buffer的内容.

提前致谢!