---
title: cp_layer_renderer_capabilities_supported_tracking_areas_format
framework: Compositor Services
role: symbol
role_heading: Function
platforms: [macOS 26.0+, visionOS 26.0+]
path: compositorservices/cp_layer_renderer_capabilities_supported_tracking_areas_format
---

# cp_layer_renderer_capabilities_supported_tracking_areas_format

Returns the tracking areas format at the specified index in the layer capabilities.

## Declaration

```occ
MTLPixelFormat cp_layer_renderer_capabilities_supported_tracking_areas_format(cp_layer_renderer_capabilities_t layer_capabilities, size_t index);
```

## Parameters

- `layer_capabilities`: The layer capabilities to query.
- `index`: A zero-based index into the list of index formats.

## Return Value

Return Value The pixel format at the specified index.

## Discussion

Discussion Use this function to determine what tracking areas texture formats the layer supports.