Cogl.PipelineLayerCallback
Description: Reference for Cogl.PipelineLayerCallback

### Function

# CoglPipelineLayerCallback

#### Declaration

    gboolean
    (* CoglPipelineLayerCallback) (
      CoglPipeline* pipeline,
      int layer_index,
      void* user_data
    )

#### Description [src]

The callback prototype used with `cogl_pipeline_foreach_layer()` for iterating all the layers of a `pipeline`.

Stability: | Unstable
Available since: | 2.0

#### Parameters

`pipeline` | `CoglPipeline`
| The `CoglPipeline` whose layers are being iterated.
| The data is owned by the caller of the function.
`layer_index` | `int`
| The current layer index.
`user_data` | `void*`
| The private data passed to `cogl_pipeline_foreach_layer()`
| The argument can be `NULL`.
| The data is owned by the caller of the function.

#### Return value

Returns: | `gboolean`
| No description available.