Declaration [src]

gsk_renderer_render (
  GskRenderer* renderer,
  GskRenderNode* root,
  const cairo_region_t* region

Description [src]

Renders the scene graph, described by a tree of GskRenderNode instances to the renderer’s surface, ensuring that the given region gets redrawn.

If the renderer has no associated surface, this function does nothing.

Renderers must ensure that changes of the contents given by the root node as well as the area given by region are redrawn. They are however free to not redraw any pixel outside of region if they can guarantee that it didn’t change.

The renderer will acquire a reference on the GskRenderNode tree while the rendering is in progress.


root GskRenderNode

A GskRenderNode

 The data is owned by the caller of the function.
region cairo_region_t

The cairo_region_t that must be redrawn or NULL for the whole window.

 The argument can be NULL.
 The data is owned by the caller of the function.