Bug 716439; User data for mask layers. r=roc

This commit is contained in:
Nicholas Cameron 2012-02-08 11:26:33 +13:00
parent c4f07f19a1
commit 32f2aad481

View File

@ -459,6 +459,18 @@ public:
gfxPoint mActiveScrolledRootPosition;
};
/*
* User data for layers which will be used as masks.
*/
struct MaskLayerUserData : public LayerUserData
{
// properties of the mask layer; the mask layer may be re-used if these
// remain unchanged.
nsTArray<FrameLayerBuilder::Clip::RoundedRect> mRoundedClipRects;
gfx3DMatrix mTransform;
nsIntRect mBounds;
};
/**
* The address of gThebesDisplayItemLayerUserData is used as the user
* data key for ThebesLayers created by FrameLayerBuilder.
@ -487,6 +499,12 @@ PRUint8 gImageLayerUserData;
* The user data is a LayerManagerData.
*/
PRUint8 gLayerManagerUserData;
/**
* The address of gMaskLayerUserData is used as the user
* data key for mask layers managed by FrameLayerBuilder.
* The user data is a MaskLayerUserData.
*/
PRUint8 gMaskLayerUserData;
} // anonymous namespace