diff options
Diffstat (limited to 'Source/WebCore/platform/graphics/ca/GraphicsLayerCA.cpp')
| -rw-r--r-- | Source/WebCore/platform/graphics/ca/GraphicsLayerCA.cpp | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/Source/WebCore/platform/graphics/ca/GraphicsLayerCA.cpp b/Source/WebCore/platform/graphics/ca/GraphicsLayerCA.cpp index 427c7bf..8fb4c9f 100644 --- a/Source/WebCore/platform/graphics/ca/GraphicsLayerCA.cpp +++ b/Source/WebCore/platform/graphics/ca/GraphicsLayerCA.cpp @@ -255,6 +255,7 @@ GraphicsLayerCA::GraphicsLayerCA(GraphicsLayerClient* client) , m_contentsLayerHasBackgroundColor(false) , m_uncommittedChanges(NoChange) , m_contentsScale(1) + , m_allowTiledLayer(true) { m_layer = PlatformCALayer::create(PlatformCALayer::LayerTypeWebLayer, this); @@ -492,6 +493,17 @@ void GraphicsLayerCA::setAcceleratesDrawing(bool acceleratesDrawing) noteLayerPropertyChanged(AcceleratesDrawingChanged); } +void GraphicsLayerCA::setAllowTiledLayer(bool allowTiledLayer) +{ + if (allowTiledLayer == m_allowTiledLayer) + return; + + m_allowTiledLayer = allowTiledLayer; + + // Handling this as a SizeChanged will cause use to switch in or out of tiled layer as needed + noteLayerPropertyChanged(SizeChanged); +} + void GraphicsLayerCA::setBackgroundColor(const Color& color) { if (m_backgroundColorSet && m_backgroundColor == color) @@ -2005,7 +2017,7 @@ FloatSize GraphicsLayerCA::constrainedSize() const bool GraphicsLayerCA::requiresTiledLayer(const FloatSize& size) const { - if (!m_drawsContent) + if (!m_drawsContent || !m_allowTiledLayer) return false; // FIXME: catch zero-size height or width here (or earlier)? |