---
title: MPSGraphPoolingReturnIndicesMode.globalFlatten2D
framework: metalperformanceshadersgraph
role: symbol
role_heading: Case
path: metalperformanceshadersgraph/mpsgraphpoolingreturnindicesmode/globalflatten2d
---

# MPSGraphPoolingReturnIndicesMode.globalFlatten2D

Returns indices flattened in 2 innermost dimensions. eg: HW in NCHW.

## Declaration

```swift
case globalFlatten2D
```