Hi,
As far as I know, MemoryLayout<float3>.stride
is used for making buffer and setting bytes for vertex/fragment functions.
I understand what stride and size are, but still have confusion when to use stride or size.
For example, in Chapter 4, p.119, is like:
let originalBuffer = device.makeBuffer(
bytes: &vertices,
length: MemoryLayout.stride * vertices.count,
options: [])
However, in Chapter 14, p.655, is like:
quadVerticesBuffer =
Renderer.device.makeBuffer(bytes: quadVertices,
length: MemoryLayout.size * quadVertices.count,
options: [])
Which one should I follow and why?