Function

CoglOnscreenDirtyCallback

Declaration

void
(* CoglOnscreenDirtyCallback) (
  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.

Parameters

onscreen

Type: CoglOnscreen

The onscreen that the frame is associated with.

The data is owned by the caller of the function.

info

Type: CoglOnscreenDirtyInfo

A CoglOnscreenDirtyInfo struct containing the details of the dirty area.

The data is owned by the caller of the function.

user_data

Type: 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.