Lines Matching full:occlusion
23 // This class is used to track occlusion of layers while traversing them in a
26 // occlusion in the content space of the current layer may be queried, via
28 // owns a RenderSurfaceImpl, then occlusion on that RenderSurfaceImpl may also
30 // once finished with the layer, occlusion behind the layer should be marked by
62 // layer. Used when considering occlusion for a layer that paints/draws
76 // render_target owned by the layer. Used when considering occlusion for a
127 // - When we visit a layer representing itself, we add its occlusion to the
132 // We merge the occlusion at the top of the stack with the new current
152 // Add the layer's occlusion to the tracked state.
160 // This is used for visualizing the occlusion tracking process.
