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1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef CC_LAYERS_COMPOSITING_REASONS_H_ | |
6 #define CC_LAYERS_COMPOSITING_REASONS_H_ | |
7 | |
8 #include "base/port.h" | |
9 | |
10 namespace cc { | |
11 | |
12 // This is a clone of CompositingReasons and WebCompositingReasons from Blink. | |
13 const uint64 kCompositingReasonUnknown = 0; | |
14 const uint64 kCompositingReason3DTransform = GG_UINT64_C(1) << 0; | |
15 const uint64 kCompositingReasonVideo = GG_UINT64_C(1) << 1; | |
16 const uint64 kCompositingReasonCanvas = GG_UINT64_C(1) << 2; | |
17 const uint64 kCompositingReasonPlugin = GG_UINT64_C(1) << 3; | |
18 const uint64 kCompositingReasonIFrame = GG_UINT64_C(1) << 4; | |
19 const uint64 kCompositingReasonBackfaceVisibilityHidden = GG_UINT64_C(1) << 5; | |
20 const uint64 kCompositingReasonAnimation = GG_UINT64_C(1) << 6; | |
21 const uint64 kCompositingReasonFilters = GG_UINT64_C(1) << 7; | |
22 const uint64 kCompositingReasonPositionFixed = GG_UINT64_C(1) << 8; | |
23 const uint64 kCompositingReasonPositionSticky = GG_UINT64_C(1) << 9; | |
24 const uint64 kCompositingReasonOverflowScrollingTouch = GG_UINT64_C(1) << 10; | |
25 const uint64 kCompositingReasonAssumedOverlap = GG_UINT64_C(1) << 12; | |
26 const uint64 kCompositingReasonOverlap = GG_UINT64_C(1) << 13; | |
27 const uint64 kCompositingReasonNegativeZIndexChildren = GG_UINT64_C(1) << 14; | |
28 const uint64 kCompositingReasonTransformWithCompositedDescendants = | |
29 GG_UINT64_C(1) << 15; | |
30 const uint64 kCompositingReasonOpacityWithCompositedDescendants = | |
31 GG_UINT64_C(1) << 16; | |
32 const uint64 kCompositingReasonMaskWithCompositedDescendants = | |
33 GG_UINT64_C(1) << 17; | |
34 const uint64 kCompositingReasonReflectionWithCompositedDescendants = | |
35 GG_UINT64_C(1) << 18; | |
36 const uint64 kCompositingReasonFilterWithCompositedDescendants = | |
37 GG_UINT64_C(1) << 19; | |
38 const uint64 kCompositingReasonBlendingWithCompositedDescendants = | |
39 GG_UINT64_C(1) << 20; | |
40 const uint64 kCompositingReasonClipsCompositingDescendants = | |
41 GG_UINT64_C(1) << 21; | |
42 const uint64 kCompositingReasonPerspective = GG_UINT64_C(1) << 22; | |
43 const uint64 kCompositingReasonPreserve3D = GG_UINT64_C(1) << 23; | |
44 const uint64 kCompositingReasonReflectionOfCompositedParent = | |
45 GG_UINT64_C(1) << 24; | |
46 const uint64 kCompositingReasonRoot = GG_UINT64_C(1) << 25; | |
47 const uint64 kCompositingReasonLayerForClip = GG_UINT64_C(1) << 26; | |
48 const uint64 kCompositingReasonLayerForScrollbar = GG_UINT64_C(1) << 27; | |
49 const uint64 kCompositingReasonLayerForScrollingContainer = | |
50 GG_UINT64_C(1) << 28; | |
51 const uint64 kCompositingReasonLayerForForeground = GG_UINT64_C(1) << 29; | |
52 const uint64 kCompositingReasonLayerForBackground = GG_UINT64_C(1) << 30; | |
53 const uint64 kCompositingReasonLayerForMask = GG_UINT64_C(1) << 31; | |
54 const uint64 kCompositingReasonOverflowScrollingParent = GG_UINT64_C(1) << 32; | |
55 const uint64 kCompositingReasonOutOfFlowClipping = GG_UINT64_C(1) << 33; | |
56 const uint64 kCompositingReasonIsolateCompositedDescendants = | |
57 GG_UINT64_C(1) << 35; | |
58 | |
59 typedef uint64 CompositingReasons; | |
60 | |
61 } // namespace cc | |
62 | |
63 #endif // CC_LAYERS_COMPOSITING_REASONS_H_ | |
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