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Bug 1236750 - Add some specialized typedefs of Matrix4x4 to represent layer transform matrices. r=kats

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Also add a related PixelCastJustification and a utility function.
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Botond Ballo
2016-01-06 18:56:25 -05:00
parent 18bf5aaa2c
commit d300745fa5
3 changed files with 34 additions and 1 deletions
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6
layout/base/UnitTransforms.h
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@@ -47,7 +47,11 @@ enum class PixelCastJustification : uint8_t {
LayoutDeviceIsScreenForTabDims,
// A combination of LayoutDeviceIsScreenForBounds and
// ScreenIsParentLayerForRoot, which is how we're using it.
LayoutDeviceIsParentLayerForRCDRSF
LayoutDeviceIsParentLayerForRCDRSF,
// Used to treat the product of AsyncTransformComponentMatrix objects
// as an AsyncTransformMatrix. See the definitions of these matrices in
// LayersTypes.h for details.
MultipleAsyncTransforms
};
template <class TargetUnits, class SourceUnits>