1 files changed, 24 insertions, 2 deletions
diff --git a/src/3rdparty/webkit/WebCore/platform/graphics/transforms/TransformOperation.h b/src/3rdparty/webkit/WebCore/platform/graphics/transforms/TransformOperation.h
index 65a0defe85..c610c4bbe6 100644
--- a/src/3rdparty/webkit/WebCore/platform/graphics/transforms/TransformOperation.h
+++ b/src/3rdparty/webkit/WebCore/platform/graphics/transforms/TransformOperation.h
@@ -39,9 +39,16 @@ public:
     enum OperationType {
         SCALE_X, SCALE_Y, SCALE, 
         TRANSLATE_X, TRANSLATE_Y, TRANSLATE, 
-        ROTATE, 
+        ROTATE,
+        ROTATE_Z = ROTATE,
         SKEW_X, SKEW_Y, SKEW, 
-        MATRIX, IDENTITY, NONE
+        MATRIX,
+        SCALE_Z, SCALE_3D,
+        TRANSLATE_Z, TRANSLATE_3D,
+        ROTATE_X, ROTATE_Y, ROTATE_3D,
+        MATRIX_3D,
+        PERSPECTIVE,
+        IDENTITY, NONE
     };
 
     virtual ~TransformOperation() { }
@@ -51,12 +58,27 @@ public:
 
     virtual bool isIdentity() const = 0;
 
+    // Return true if the borderBoxSize was used in the computation, false otherwise.
     virtual bool apply(TransformationMatrix&, const IntSize& borderBoxSize) const = 0;
 
     virtual PassRefPtr<TransformOperation> blend(const TransformOperation* from, double progress, bool blendToIdentity = false) = 0;
 
     virtual OperationType getOperationType() const = 0;
     virtual bool isSameType(const TransformOperation&) const { return false; }
+    
+    bool is3DOperation() const
+    {
+        OperationType opType = getOperationType();
+        return opType == SCALE_Z ||
+               opType == SCALE_3D ||
+               opType == TRANSLATE_Z ||
+               opType == TRANSLATE_3D ||
+               opType == ROTATE_X ||
+               opType == ROTATE_Y ||
+               opType == ROTATE_3D ||
+               opType == MATRIX_3D ||
+               opType == PERSPECTIVE;
+    }
 };
 
 } // namespace WebCore