Index: Source/core/rendering/CompositingReasons.h |
diff --git a/Source/core/rendering/CompositingReasons.h b/Source/core/rendering/CompositingReasons.h |
index 21a545ed56bb0face64e0100b3480bf15338bf16..059156c9d2a8d1602af460fc13dc1d3fa56205ea 100644 |
--- a/Source/core/rendering/CompositingReasons.h |
+++ b/Source/core/rendering/CompositingReasons.h |
@@ -61,6 +61,9 @@ const uint64_t CompositingReasonOutOfFlowClipping = UINT64_ |
const uint64_t CompositingReasonLayerForVideoOverlay = UINT64_C(1) << 34; |
+// Note: if you add more reasons here, you will need to update WebCompositingReasons as well. |
+ |
+// Various combinations of compositing reasons are defined here also, for more intutive and faster bitwise logic. |
const uint64_t CompositingReasonComboAllDirectReasons = |
CompositingReason3DTransform |
| CompositingReasonVideo |
@@ -88,7 +91,10 @@ const uint64_t CompositingReasonComboReasonsThatRequireOwnBacking = |
| CompositingReasonBlendingWithCompositedDescendants |
| CompositingReasonPreserve3D; // preserve-3d has to create backing store to ensure that 3d-transformed elements intersect. |
-// Note: if you add more reasons here, you will need to update WebCompositingReasons as well. |
+const uint64_t CompositingReasonComboAllOverlapReasons = |
+ CompositingReasonOverlap |
+ | CompositingReasonAssumedOverlap; |
+ |
typedef uint64_t CompositingReasons; |