diff options
Diffstat (limited to 'Source/WebCore/platform/graphics/android/GLWebViewState.h')
| -rw-r--r-- | Source/WebCore/platform/graphics/android/GLWebViewState.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Source/WebCore/platform/graphics/android/GLWebViewState.h b/Source/WebCore/platform/graphics/android/GLWebViewState.h index 4f8d4fe..82b6f12 100644 --- a/Source/WebCore/platform/graphics/android/GLWebViewState.h +++ b/Source/WebCore/platform/graphics/android/GLWebViewState.h @@ -129,6 +129,12 @@ class LayerAndroid; // paint the tile and the second id (B) represents the pictureSet in which the // tile was invalidated by webkit. Thus, if A < B then tile is dirty. // +// Since invalidates can occur faster than a full tiled page update, the tiled +// page is protected by a 'lock' (m_baseLayerUpdate) that is set to true to +// defer updates to the background layer, giving the foreground time to render +// content instead of constantly flushing with invalidates. See +// lockBaseLayerUpdate() & unlockBaseLayerUpdate(). +// // Painting scheduling // ------------------- // |