Function

CoglOnscreenDirtyCallback

Declaration

void
OnscreenDirtyCallback (
  CoglOnscreen* onscreen,
  const CoglOnscreenDirtyInfo* info,
  void* user_data
)

Description [src]

Is a callback that can be registered via cogl_onscreen_add_dirty_callback() to be called when the windowing system determines that a region of the onscreen window has been lost and the application should redraw it.

Stability:	Unstable
Available since:	1.16

Parameters

`onscreen`	`CoglOnscreen`
	The onscreen that the frame is associated with.
	The data is owned by the caller of the function.
`info`	`CoglOnscreenDirtyInfo`
	A `CoglOnscreenDirtyInfo` struct containing the details of the dirty area.
	The data is owned by the caller of the function.
`user_data`	`void*`
	The user pointer passed to `cogl_onscreen_add_frame_callback()`
	The argument can be `NULL`.
	The data is owned by the caller of the function.