diff options
Diffstat (limited to 'third_party/WebKit/Source/platform/graphics')
8 files changed, 176 insertions, 107 deletions
diff --git a/third_party/WebKit/Source/platform/graphics/CompositingReasons.cpp b/third_party/WebKit/Source/platform/graphics/CompositingReasons.cpp index a096b70..5608532 100644 --- a/third_party/WebKit/Source/platform/graphics/CompositingReasons.cpp +++ b/third_party/WebKit/Source/platform/graphics/CompositingReasons.cpp @@ -69,51 +69,9 @@ const CompositingReasonStringMap kCompositingReasonStringMap[] = { { CompositingReasonNegativeZIndexChildren, "negativeZIndexChildren", "Parent with composited negative z-index content" }, - { CompositingReasonScrollsWithRespectToSquashingLayer, - "scrollsWithRespectToSquashingLayer", - "Cannot be squashed since this layer scrolls with respect to the squashing layer" }, - { CompositingReasonSquashingSparsityExceeded, - "squashingSparsityExceeded", - "Cannot be squashed as the squashing layer would become too sparse" }, - { CompositingReasonSquashingClippingContainerMismatch, - "squashingClippingContainerMismatch", - "Cannot be squashed because this layer has a different clipping container than the squashing layer" }, - { CompositingReasonSquashingOpacityAncestorMismatch, - "squashingOpacityAncestorMismatch", - "Cannot be squashed because this layer has a different opacity ancestor than the squashing layer" }, - { CompositingReasonSquashingTransformAncestorMismatch, - "squashingTransformAncestorMismatch", - "Cannot be squashed because this layer has a different transform ancestor than the squashing layer" }, - { CompositingReasonSquashingFilterMismatch, - "squashingFilterAncestorMismatch", - "Cannot be squashed because this layer has a different filter ancestor than the squashing layer, or this layer has a filter" }, - { CompositingReasonSquashingWouldBreakPaintOrder, - "squashingWouldBreakPaintOrder", - "Cannot be squashed without breaking paint order" }, - { CompositingReasonSquashingVideoIsDisallowed, - "squashingVideoIsDisallowed", - "Squashing video is not supported" }, - { CompositingReasonSquashedLayerClipsCompositingDescendants, - "squashedLayerClipsCompositingDescendants", - "Squashing a layer that clips composited descendants is not supported." }, - { CompositingReasonSquashingLayoutPartIsDisallowed, - "squashingLayoutPartIsDisallowed", - "Squashing a frame, iframe or plugin is not supported." }, - { CompositingReasonSquashingReflectionIsDisallowed, - "squashingReflectionDisallowed", - "Squashing a element with a reflection is not supported." }, - { CompositingReasonSquashingBlendingIsDisallowed, - "squashingBlendingDisallowed", - "Squashing a layer with blending is not supported." }, - { CompositingReasonSquashingNearestFixedPositionMismatch, - "squashingNearestFixedPositionMismatch", - "Cannot be squashed because this layer has a different nearest fixed position layer than the squashing layer" }, - { CompositingReasonScrollChildWithCompositedDescendants, - "scrollChildWithCompositedDescendants", - "Squashing a scroll child with composited descendants is not supported." }, - { CompositingReasonSquashingLayerIsAnimating, - "squashingLayerIsAnimating", - "Cannot squash into a layer that is animating." }, + { CompositingReasonSquashingDisallowed, + "squashingDisallowed", + "Layer was separately composited because it could not be squashed." }, { CompositingReasonTransformWithCompositedDescendants, "transformWithCompositedDescendants", "Has a transform that needs to be known by compositor because of composited descendants" }, diff --git a/third_party/WebKit/Source/platform/graphics/CompositingReasons.h b/third_party/WebKit/Source/platform/graphics/CompositingReasons.h index 542694a..82cccab 100644 --- a/third_party/WebKit/Source/platform/graphics/CompositingReasons.h +++ b/third_party/WebKit/Source/platform/graphics/CompositingReasons.h @@ -36,63 +36,49 @@ const uint64_t CompositingReasonBackdropFilter = UINT6 const uint64_t CompositingReasonAssumedOverlap = UINT64_C(1) << 15; const uint64_t CompositingReasonOverlap = UINT64_C(1) << 16; const uint64_t CompositingReasonNegativeZIndexChildren = UINT64_C(1) << 17; -const uint64_t CompositingReasonScrollsWithRespectToSquashingLayer = UINT64_C(1) << 18; -const uint64_t CompositingReasonSquashingSparsityExceeded = UINT64_C(1) << 19; -const uint64_t CompositingReasonSquashingClippingContainerMismatch = UINT64_C(1) << 20; -const uint64_t CompositingReasonSquashingOpacityAncestorMismatch = UINT64_C(1) << 21; -const uint64_t CompositingReasonSquashingTransformAncestorMismatch = UINT64_C(1) << 22; -const uint64_t CompositingReasonSquashingFilterMismatch = UINT64_C(1) << 23; -const uint64_t CompositingReasonSquashingWouldBreakPaintOrder = UINT64_C(1) << 24; -const uint64_t CompositingReasonSquashingVideoIsDisallowed = UINT64_C(1) << 25; -const uint64_t CompositingReasonSquashedLayerClipsCompositingDescendants = UINT64_C(1) << 26; -const uint64_t CompositingReasonSquashingLayoutPartIsDisallowed = UINT64_C(1) << 27; -const uint64_t CompositingReasonSquashingReflectionIsDisallowed = UINT64_C(1) << 28; -const uint64_t CompositingReasonSquashingBlendingIsDisallowed = UINT64_C(1) << 29; -const uint64_t CompositingReasonSquashingNearestFixedPositionMismatch = UINT64_C(1) << 30; -const uint64_t CompositingReasonScrollChildWithCompositedDescendants = UINT64_C(1) << 31; -const uint64_t CompositingReasonSquashingLayerIsAnimating = UINT64_C(1) << 32; +const uint64_t CompositingReasonSquashingDisallowed = UINT64_C(1) << 18; // Subtree reasons that require knowing what the status of your subtree is before knowing the answer -const uint64_t CompositingReasonTransformWithCompositedDescendants = UINT64_C(1) << 33; -const uint64_t CompositingReasonOpacityWithCompositedDescendants = UINT64_C(1) << 34; -const uint64_t CompositingReasonMaskWithCompositedDescendants = UINT64_C(1) << 35; -const uint64_t CompositingReasonReflectionWithCompositedDescendants = UINT64_C(1) << 36; -const uint64_t CompositingReasonFilterWithCompositedDescendants = UINT64_C(1) << 37; -const uint64_t CompositingReasonBlendingWithCompositedDescendants = UINT64_C(1) << 38; -const uint64_t CompositingReasonClipsCompositingDescendants = UINT64_C(1) << 39; -const uint64_t CompositingReasonPerspectiveWith3DDescendants = UINT64_C(1) << 40; -const uint64_t CompositingReasonPreserve3DWith3DDescendants = UINT64_C(1) << 41; -const uint64_t CompositingReasonReflectionOfCompositedParent = UINT64_C(1) << 42; -const uint64_t CompositingReasonIsolateCompositedDescendants = UINT64_C(1) << 43; -const uint64_t CompositingReasonPositionFixedWithCompositedDescendants = UINT64_C(1) << 44; +const uint64_t CompositingReasonTransformWithCompositedDescendants = UINT64_C(1) << 19; +const uint64_t CompositingReasonOpacityWithCompositedDescendants = UINT64_C(1) << 20; +const uint64_t CompositingReasonMaskWithCompositedDescendants = UINT64_C(1) << 21; +const uint64_t CompositingReasonReflectionWithCompositedDescendants = UINT64_C(1) << 22; +const uint64_t CompositingReasonFilterWithCompositedDescendants = UINT64_C(1) << 23; +const uint64_t CompositingReasonBlendingWithCompositedDescendants = UINT64_C(1) << 24; +const uint64_t CompositingReasonClipsCompositingDescendants = UINT64_C(1) << 25; +const uint64_t CompositingReasonPerspectiveWith3DDescendants = UINT64_C(1) << 26; +const uint64_t CompositingReasonPreserve3DWith3DDescendants = UINT64_C(1) << 27; +const uint64_t CompositingReasonReflectionOfCompositedParent = UINT64_C(1) << 28; +const uint64_t CompositingReasonIsolateCompositedDescendants = UINT64_C(1) << 29; +const uint64_t CompositingReasonPositionFixedWithCompositedDescendants = UINT64_C(1) << 30; // The root layer is a special case that may be forced to be a layer, but also it needs to be // a layer if anything else in the subtree is composited. -const uint64_t CompositingReasonRoot = UINT64_C(1) << 45; +const uint64_t CompositingReasonRoot = UINT64_C(1) << 31; // CompositedLayerMapping internal hierarchy reasons -const uint64_t CompositingReasonLayerForAncestorClip = UINT64_C(1) << 46; -const uint64_t CompositingReasonLayerForDescendantClip = UINT64_C(1) << 47; -const uint64_t CompositingReasonLayerForPerspective = UINT64_C(1) << 48; -const uint64_t CompositingReasonLayerForHorizontalScrollbar = UINT64_C(1) << 49; -const uint64_t CompositingReasonLayerForVerticalScrollbar = UINT64_C(1) << 50; -const uint64_t CompositingReasonLayerForOverflowControlsHost = UINT64_C(1) << 51; -const uint64_t CompositingReasonLayerForScrollCorner = UINT64_C(1) << 52; -const uint64_t CompositingReasonLayerForScrollingContents = UINT64_C(1) << 53; -const uint64_t CompositingReasonLayerForScrollingContainer = UINT64_C(1) << 54; -const uint64_t CompositingReasonLayerForSquashingContents = UINT64_C(1) << 55; -const uint64_t CompositingReasonLayerForSquashingContainer = UINT64_C(1) << 56; -const uint64_t CompositingReasonLayerForForeground = UINT64_C(1) << 57; -const uint64_t CompositingReasonLayerForBackground = UINT64_C(1) << 58; -const uint64_t CompositingReasonLayerForMask = UINT64_C(1) << 59; -const uint64_t CompositingReasonLayerForClippingMask = UINT64_C(1) << 60; -const uint64_t CompositingReasonLayerForScrollingBlockSelection = UINT64_C(1) << 61; +const uint64_t CompositingReasonLayerForAncestorClip = UINT64_C(1) << 32; +const uint64_t CompositingReasonLayerForDescendantClip = UINT64_C(1) << 33; +const uint64_t CompositingReasonLayerForPerspective = UINT64_C(1) << 34; +const uint64_t CompositingReasonLayerForHorizontalScrollbar = UINT64_C(1) << 35; +const uint64_t CompositingReasonLayerForVerticalScrollbar = UINT64_C(1) << 36; +const uint64_t CompositingReasonLayerForOverflowControlsHost = UINT64_C(1) << 37; +const uint64_t CompositingReasonLayerForScrollCorner = UINT64_C(1) << 38; +const uint64_t CompositingReasonLayerForScrollingContents = UINT64_C(1) << 39; +const uint64_t CompositingReasonLayerForScrollingContainer = UINT64_C(1) << 40; +const uint64_t CompositingReasonLayerForSquashingContents = UINT64_C(1) << 41; +const uint64_t CompositingReasonLayerForSquashingContainer = UINT64_C(1) << 42; +const uint64_t CompositingReasonLayerForForeground = UINT64_C(1) << 43; +const uint64_t CompositingReasonLayerForBackground = UINT64_C(1) << 44; +const uint64_t CompositingReasonLayerForMask = UINT64_C(1) << 45; +const uint64_t CompositingReasonLayerForClippingMask = UINT64_C(1) << 46; +const uint64_t CompositingReasonLayerForScrollingBlockSelection = UINT64_C(1) << 47; // Composited elements with inline transforms trigger assumed overlap so that // we can update their transforms quickly. -const uint64_t CompositingReasonInlineTransform = UINT64_C(1) << 62; +const uint64_t CompositingReasonInlineTransform = UINT64_C(1) << 48; -const uint64_t CompositingReasonCompositorProxy = UINT64_C(1) << 63; +const uint64_t CompositingReasonCompositorProxy = UINT64_C(1) << 49; // Various combinations of compositing reasons are defined here also, for more intutive and faster bitwise logic. const uint64_t CompositingReasonComboAllDirectReasons = @@ -148,18 +134,7 @@ const uint64_t CompositingReasonComboReasonsThatRequireOwnBacking = | CompositingReasonOverlap | CompositingReasonAssumedOverlap | CompositingReasonNegativeZIndexChildren - | CompositingReasonScrollsWithRespectToSquashingLayer - | CompositingReasonSquashingSparsityExceeded - | CompositingReasonSquashingClippingContainerMismatch - | CompositingReasonSquashingOpacityAncestorMismatch - | CompositingReasonSquashingTransformAncestorMismatch - | CompositingReasonSquashingFilterMismatch - | CompositingReasonSquashingWouldBreakPaintOrder - | CompositingReasonSquashingVideoIsDisallowed - | CompositingReasonSquashedLayerClipsCompositingDescendants - | CompositingReasonSquashingLayoutPartIsDisallowed - | CompositingReasonSquashingReflectionIsDisallowed - | CompositingReasonSquashingBlendingIsDisallowed + | CompositingReasonSquashingDisallowed | CompositingReasonTransformWithCompositedDescendants | CompositingReasonOpacityWithCompositedDescendants | CompositingReasonMaskWithCompositedDescendants @@ -167,11 +142,8 @@ const uint64_t CompositingReasonComboReasonsThatRequireOwnBacking = | CompositingReasonBlendingWithCompositedDescendants | CompositingReasonIsolateCompositedDescendants | CompositingReasonPreserve3DWith3DDescendants // preserve-3d has to create backing store to ensure that 3d-transformed elements intersect. - | CompositingReasonSquashingNearestFixedPositionMismatch - | CompositingReasonScrollChildWithCompositedDescendants | CompositingReasonBackdropFilter - | CompositingReasonPositionFixedWithCompositedDescendants - | CompositingReasonSquashingLayerIsAnimating; + | CompositingReasonPositionFixedWithCompositedDescendants; const uint64_t CompositingReasonComboSquashableReasons = CompositingReasonOverlap diff --git a/third_party/WebKit/Source/platform/graphics/GraphicsLayer.cpp b/third_party/WebKit/Source/platform/graphics/GraphicsLayer.cpp index 89f0c8e..40ff0f1 100644 --- a/third_party/WebKit/Source/platform/graphics/GraphicsLayer.cpp +++ b/third_party/WebKit/Source/platform/graphics/GraphicsLayer.cpp @@ -783,6 +783,13 @@ PassRefPtr<JSONObject> GraphicsLayer::layerTreeAsJSON(LayerTreeFlags flags, Rend compositingReasonsJSON->pushString(debug ? kCompositingReasonStringMap[i].description : kCompositingReasonStringMap[i].shortName); } json->setArray("compositingReasons", compositingReasonsJSON); + + RefPtr<JSONArray> squashingDisallowedReasonsJSON = adoptRef(new JSONArray); + for (size_t i = 0; i < kNumberOfSquashingDisallowedReasons; ++i) { + if (m_debugInfo.squashingDisallowedReasons() & kSquashingDisallowedReasonStringMap[i].reason) + squashingDisallowedReasonsJSON->pushString(debug ? kSquashingDisallowedReasonStringMap[i].description : kSquashingDisallowedReasonStringMap[i].shortName); + } + json->setArray("squashingDisallowedReasons", squashingDisallowedReasonsJSON); } if (m_children.size()) { @@ -838,6 +845,11 @@ void GraphicsLayer::setCompositingReasons(CompositingReasons reasons) m_debugInfo.setCompositingReasons(reasons); } +void GraphicsLayer::setSquashingDisallowedReasons(SquashingDisallowedReasons reasons) +{ + m_debugInfo.setSquashingDisallowedReasons(reasons); +} + void GraphicsLayer::setOwnerNodeId(int nodeId) { m_debugInfo.setOwnerNodeId(nodeId); diff --git a/third_party/WebKit/Source/platform/graphics/GraphicsLayer.h b/third_party/WebKit/Source/platform/graphics/GraphicsLayer.h index 529ae1f..a565bc6 100644 --- a/third_party/WebKit/Source/platform/graphics/GraphicsLayer.h +++ b/third_party/WebKit/Source/platform/graphics/GraphicsLayer.h @@ -86,6 +86,7 @@ public: void setCompositingReasons(CompositingReasons); CompositingReasons compositingReasons() const { return m_debugInfo.compositingReasons(); } + void setSquashingDisallowedReasons(SquashingDisallowedReasons); void setOwnerNodeId(int); GraphicsLayer* parent() const { return m_parent; } diff --git a/third_party/WebKit/Source/platform/graphics/GraphicsLayerDebugInfo.cpp b/third_party/WebKit/Source/platform/graphics/GraphicsLayerDebugInfo.cpp index 3820b8a..b46bcad 100644 --- a/third_party/WebKit/Source/platform/graphics/GraphicsLayerDebugInfo.cpp +++ b/third_party/WebKit/Source/platform/graphics/GraphicsLayerDebugInfo.cpp @@ -25,6 +25,7 @@ namespace blink { GraphicsLayerDebugInfo::GraphicsLayerDebugInfo() : m_compositingReasons(CompositingReasonNone) + , m_squashingDisallowedReasons(SquashingDisallowedReasonsNone) , m_ownerNodeId(0) { } @@ -36,6 +37,7 @@ scoped_refptr<base::trace_event::TracedValue> GraphicsLayerDebugInfo::asTracedVa scoped_refptr<base::trace_event::TracedValue> tracedValue = new base::trace_event::TracedValue; appendAnnotatedInvalidateRects(tracedValue.get()); appendCompositingReasons(tracedValue.get()); + appendSquashingDisallowedReasons(tracedValue.get()); appendOwnerNodeId(tracedValue.get()); return tracedValue; } @@ -69,6 +71,17 @@ void GraphicsLayerDebugInfo::appendCompositingReasons(base::trace_event::TracedV tracedValue->EndArray(); } +void GraphicsLayerDebugInfo::appendSquashingDisallowedReasons(base::trace_event::TracedValue* tracedValue) const +{ + tracedValue->BeginArray("squashing_disallowed_reasons"); + for (size_t i = 0; i < kNumberOfSquashingDisallowedReasons; ++i) { + if (!(m_compositingReasons & kSquashingDisallowedReasonStringMap[i].reason)) + continue; + tracedValue->AppendString(kSquashingDisallowedReasonStringMap[i].description); + } + tracedValue->EndArray(); +} + void GraphicsLayerDebugInfo::appendOwnerNodeId(base::trace_event::TracedValue* tracedValue) const { if (!m_ownerNodeId) diff --git a/third_party/WebKit/Source/platform/graphics/GraphicsLayerDebugInfo.h b/third_party/WebKit/Source/platform/graphics/GraphicsLayerDebugInfo.h index ccc64fa..fd79f68 100644 --- a/third_party/WebKit/Source/platform/graphics/GraphicsLayerDebugInfo.h +++ b/third_party/WebKit/Source/platform/graphics/GraphicsLayerDebugInfo.h @@ -35,6 +35,7 @@ #include "platform/geometry/FloatRect.h" #include "platform/graphics/CompositingReasons.h" #include "platform/graphics/PaintInvalidationReason.h" +#include "platform/graphics/SquashingDisallowedReasons.h" #include "wtf/Allocator.h" #include "wtf/Noncopyable.h" #include "wtf/Vector.h" @@ -58,6 +59,9 @@ public: CompositingReasons compositingReasons() const { return m_compositingReasons; } void setCompositingReasons(CompositingReasons reasons) { m_compositingReasons = reasons; } + + SquashingDisallowedReasons squashingDisallowedReasons() const { return m_squashingDisallowedReasons; } + void setSquashingDisallowedReasons(SquashingDisallowedReasons reasons) { m_squashingDisallowedReasons = reasons; } void setOwnerNodeId(int id) { m_ownerNodeId = id; } void appendAnnotatedInvalidateRect(const FloatRect&, PaintInvalidationReason); @@ -66,6 +70,7 @@ public: private: void appendAnnotatedInvalidateRects(base::trace_event::TracedValue*) const; void appendCompositingReasons(base::trace_event::TracedValue*) const; + void appendSquashingDisallowedReasons(base::trace_event::TracedValue*) const; void appendOwnerNodeId(base::trace_event::TracedValue*) const; struct AnnotatedInvalidationRect { @@ -75,6 +80,7 @@ private: }; CompositingReasons m_compositingReasons; + SquashingDisallowedReasons m_squashingDisallowedReasons; int m_ownerNodeId; Vector<AnnotatedInvalidationRect> m_invalidations; Vector<AnnotatedInvalidationRect> m_previousInvalidations; diff --git a/third_party/WebKit/Source/platform/graphics/SquashingDisallowedReasons.cpp b/third_party/WebKit/Source/platform/graphics/SquashingDisallowedReasons.cpp new file mode 100644 index 0000000..5abeb33 --- /dev/null +++ b/third_party/WebKit/Source/platform/graphics/SquashingDisallowedReasons.cpp @@ -0,0 +1,61 @@ +// Copyright 2016 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include "platform/graphics/SquashingDisallowedReasons.h" + +#include "wtf/StdLibExtras.h" + +namespace blink { + +const SquashingDisallowedReasonStringMap kSquashingDisallowedReasonStringMap[] = { + { SquashingDisallowedReasonScrollsWithRespectToSquashingLayer, + "scrollsWithRespectToSquashingLayer", + "Cannot be squashed since this layer scrolls with respect to the squashing layer" }, + { SquashingDisallowedReasonSquashingSparsityExceeded, + "squashingSparsityExceeded", + "Cannot be squashed as the squashing layer would become too sparse" }, + { SquashingDisallowedReasonClippingContainerMismatch, + "squashingClippingContainerMismatch", + "Cannot be squashed because this layer has a different clipping container than the squashing layer" }, + { SquashingDisallowedReasonOpacityAncestorMismatch, + "squashingOpacityAncestorMismatch", + "Cannot be squashed because this layer has a different opacity ancestor than the squashing layer" }, + { SquashingDisallowedReasonTransformAncestorMismatch, + "squashingTransformAncestorMismatch", + "Cannot be squashed because this layer has a different transform ancestor than the squashing layer" }, + { SquashingDisallowedReasonFilterMismatch, + "squashingFilterAncestorMismatch", + "Cannot be squashed because this layer has a different filter ancestor than the squashing layer, or this layer has a filter" }, + { SquashingDisallowedReasonWouldBreakPaintOrder, + "squashingWouldBreakPaintOrder", + "Cannot be squashed without breaking paint order" }, + { SquashingDisallowedReasonSquashingVideoIsDisallowed, + "squashingVideoIsDisallowed", + "Squashing video is not supported" }, + { SquashingDisallowedReasonSquashedLayerClipsCompositingDescendants, + "squashedLayerClipsCompositingDescendants", + "Squashing a layer that clips composited descendants is not supported." }, + { SquashingDisallowedReasonSquashingLayoutPartIsDisallowed, + "squashingLayoutPartIsDisallowed", + "Squashing a frame, iframe or plugin is not supported." }, + { SquashingDisallowedReasonSquashingReflectionIsDisallowed, + "squashingReflectionDisallowed", + "Squashing a element with a reflection is not supported." }, + { SquashingDisallowedReasonSquashingBlendingIsDisallowed, + "squashingBlendingDisallowed", + "Squashing a layer with blending is not supported." }, + { SquashingDisallowedReasonNearestFixedPositionMismatch, + "squashingNearestFixedPositionMismatch", + "Cannot be squashed because this layer has a different nearest fixed position layer than the squashing layer" }, + { SquashingDisallowedReasonScrollChildWithCompositedDescendants, + "scrollChildWithCompositedDescendants", + "Squashing a scroll child with composited descendants is not supported." }, + { SquashingDisallowedReasonSquashingLayerIsAnimating, + "squashingLayerIsAnimating", + "Cannot squash into a layer that is animating." }, +}; + +const size_t kNumberOfSquashingDisallowedReasons = WTF_ARRAY_LENGTH(kSquashingDisallowedReasonStringMap); + +} // namespace blink diff --git a/third_party/WebKit/Source/platform/graphics/SquashingDisallowedReasons.h b/third_party/WebKit/Source/platform/graphics/SquashingDisallowedReasons.h new file mode 100644 index 0000000..ec29090 --- /dev/null +++ b/third_party/WebKit/Source/platform/graphics/SquashingDisallowedReasons.h @@ -0,0 +1,46 @@ +// Copyright 2016 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#ifndef SquashingDisallowedReasons_h +#define SquashingDisallowedReasons_h + +#include "platform/PlatformExport.h" +#include "wtf/Allocator.h" +#include <stdint.h> + +namespace blink { + +const uint64_t SquashingDisallowedReasonsNone = 0; + +const uint64_t SquashingDisallowedReasonScrollsWithRespectToSquashingLayer = UINT64_C(1) << 0; +const uint64_t SquashingDisallowedReasonSquashingSparsityExceeded = UINT64_C(1) << 1; +const uint64_t SquashingDisallowedReasonClippingContainerMismatch = UINT64_C(1) << 2; +const uint64_t SquashingDisallowedReasonOpacityAncestorMismatch = UINT64_C(1) << 3; +const uint64_t SquashingDisallowedReasonTransformAncestorMismatch = UINT64_C(1) << 4; +const uint64_t SquashingDisallowedReasonFilterMismatch = UINT64_C(1) << 5; +const uint64_t SquashingDisallowedReasonWouldBreakPaintOrder = UINT64_C(1) << 6; +const uint64_t SquashingDisallowedReasonSquashingVideoIsDisallowed = UINT64_C(1) << 7; +const uint64_t SquashingDisallowedReasonSquashedLayerClipsCompositingDescendants = UINT64_C(1) << 8; +const uint64_t SquashingDisallowedReasonSquashingLayoutPartIsDisallowed = UINT64_C(1) << 9; +const uint64_t SquashingDisallowedReasonSquashingReflectionIsDisallowed = UINT64_C(1) << 10; +const uint64_t SquashingDisallowedReasonSquashingBlendingIsDisallowed = UINT64_C(1) << 11; +const uint64_t SquashingDisallowedReasonNearestFixedPositionMismatch = UINT64_C(1) << 12; +const uint64_t SquashingDisallowedReasonScrollChildWithCompositedDescendants = UINT64_C(1) << 13; +const uint64_t SquashingDisallowedReasonSquashingLayerIsAnimating = UINT64_C(1) << 14; + +typedef uint64_t SquashingDisallowedReasons; + +struct SquashingDisallowedReasonStringMap { + STACK_ALLOCATED(); + SquashingDisallowedReasons reason; + const char* shortName; + const char* description; +}; + +PLATFORM_EXPORT extern const SquashingDisallowedReasonStringMap kSquashingDisallowedReasonStringMap[]; +PLATFORM_EXPORT extern const size_t kNumberOfSquashingDisallowedReasons; + +} // namespace blink + +#endif // SquashingDisallowedReasons_h |