readIndices(_:)
Reads the current contents of the index buffer synchronously on the CPU.
Declaration
final func readIndices<R, E>(_ body: (RawSpan) throws(E) -> R) throws(E) -> R where E : Error, R : ~CopyableParameters
- body:
A closure that receives a read-only span over the index buffer’s bytes.
Discussion
You pass a closure that receives a read-only span representing the contents of the index buffer. This span is valid only for the duration of the closure.