cc/layers/compositing_reasons.h

   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
  57 typedef uint64 CompositingReasons;
  58
  59 }  // namespace cc
  60
  61 #endif  // CC_LAYERS_COMPOSITING_REASONS_H_