From 37f9f11ef7fc4eab46de857fc853afea2636642b Mon Sep 17 00:00:00 2001 From: Adam Barth Date: Fri, 23 Jan 2015 12:49:50 -0800 Subject: [PATCH] Remove CompositingReasons.h This file is not referenced. R=esprehn@chromium.org Review URL: https://codereview.chromium.org/869023006 --- engine/platform/graphics/CompositingReasons.h | 167 ------------------ 1 file changed, 167 deletions(-) delete mode 100644 engine/platform/graphics/CompositingReasons.h diff --git a/engine/platform/graphics/CompositingReasons.h b/engine/platform/graphics/CompositingReasons.h deleted file mode 100644 index bf91c82276f..00000000000 --- a/engine/platform/graphics/CompositingReasons.h +++ /dev/null @@ -1,167 +0,0 @@ -// Copyright 2014 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 SKY_ENGINE_PLATFORM_GRAPHICS_COMPOSITINGREASONS_H_ -#define SKY_ENGINE_PLATFORM_GRAPHICS_COMPOSITINGREASONS_H_ - -#include -#include "sky/engine/platform/PlatformExport.h" -#include "sky/engine/wtf/MathExtras.h" - -namespace blink { - -const uint64_t CompositingReasonNone = 0; -const uint64_t CompositingReasonAll = ~static_cast(0); - -// FIXME(sky): Get rid of all this. - -// Intrinsic reasons that can be known right away by the layer -const uint64_t CompositingReason3DTransform = UINT64_C(1) << 0; -const uint64_t CompositingReasonVideo = UINT64_C(1) << 1; -const uint64_t CompositingReasonCanvas = UINT64_C(1) << 2; -const uint64_t CompositingReasonIFrame = UINT64_C(1) << 4; -const uint64_t CompositingReasonBackfaceVisibilityHidden = UINT64_C(1) << 5; -const uint64_t CompositingReasonActiveAnimation = UINT64_C(1) << 6; -const uint64_t CompositingReasonTransitionProperty = UINT64_C(1) << 7; -const uint64_t CompositingReasonOverflowScrollingTouch = UINT64_C(1) << 9; -const uint64_t CompositingReasonOverflowScrollingParent = UINT64_C(1) << 10; -const uint64_t CompositingReasonOutOfFlowClipping = UINT64_C(1) << 11; -const uint64_t CompositingReasonWillChangeCompositingHint = UINT64_C(1) << 13; - -// Overlap reasons that require knowing what's behind you in paint-order before knowing the answer -const uint64_t CompositingReasonAssumedOverlap = UINT64_C(1) << 14; -const uint64_t CompositingReasonOverlap = UINT64_C(1) << 15; -const uint64_t CompositingReasonNegativeZIndexChildren = UINT64_C(1) << 16; -const uint64_t CompositingReasonScrollsWithRespectToSquashingLayer = UINT64_C(1) << 17; -const uint64_t CompositingReasonSquashingClippingContainerMismatch = UINT64_C(1) << 19; -const uint64_t CompositingReasonSquashingOpacityAncestorMismatch = UINT64_C(1) << 20; -const uint64_t CompositingReasonSquashingTransformAncestorMismatch = UINT64_C(1) << 21; -const uint64_t CompositingReasonSquashingFilterAncestorMismatch = UINT64_C(1) << 22; -const uint64_t CompositingReasonSquashingWouldBreakPaintOrder = UINT64_C(1) << 23; -const uint64_t CompositingReasonSquashingVideoIsDisallowed = UINT64_C(1) << 24; -const uint64_t CompositingReasonSquashedLayerClipsCompositingDescendants = UINT64_C(1) << 25; - -// Subtree reasons that require knowing what the status of your subtree is before knowing the answer -const uint64_t CompositingReasonTransformWithCompositedDescendants = UINT64_C(1) << 28; -const uint64_t CompositingReasonOpacityWithCompositedDescendants = UINT64_C(1) << 29; -const uint64_t CompositingReasonMaskWithCompositedDescendants = UINT64_C(1) << 30; -const uint64_t CompositingReasonFilterWithCompositedDescendants = UINT64_C(1) << 32; -// TODO(sky): Unused 33 -const uint64_t CompositingReasonClipsCompositingDescendants = UINT64_C(1) << 34; -const uint64_t CompositingReasonPerspectiveWith3DDescendants = UINT64_C(1) << 35; -const uint64_t CompositingReasonPreserve3DWith3DDescendants = UINT64_C(1) << 36; -// TODO(sky): Unused 37 & 38 - -// 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) << 39; - -// CompositedLayerMapping internal hierarchy reasons -const uint64_t CompositingReasonLayerForAncestorClip = UINT64_C(1) << 40; -const uint64_t CompositingReasonLayerForDescendantClip = UINT64_C(1) << 41; -const uint64_t CompositingReasonLayerForPerspective = UINT64_C(1) << 42; -// FIXME(sky): 43 is unused. -// FIXME(sky): 44 is unused. -const uint64_t CompositingReasonLayerForOverflowControlsHost = UINT64_C(1) << 45; -// FIXME(sky): 46 is unused. -const uint64_t CompositingReasonLayerForSquashingContents = UINT64_C(1) << 49; -const uint64_t CompositingReasonLayerForSquashingContainer = UINT64_C(1) << 50; -const uint64_t CompositingReasonLayerForForeground = UINT64_C(1) << 51; -const uint64_t CompositingReasonLayerForBackground = UINT64_C(1) << 52; -const uint64_t CompositingReasonLayerForMask = UINT64_C(1) << 53; -const uint64_t CompositingReasonLayerForClippingMask = UINT64_C(1) << 54; -// FIXME(sky): 55 is unused. - -// Composited elements with inline transforms trigger assumed overlap so that -// we can update their transforms quickly. -const uint64_t CompositingReasonInlineTransform = UINT64_C(1) << 56; - -// Various combinations of compositing reasons are defined here also, for more intutive and faster bitwise logic. -const uint64_t CompositingReasonComboAllDirectReasons = - CompositingReason3DTransform - | CompositingReasonVideo - | CompositingReasonCanvas - | CompositingReasonIFrame - | CompositingReasonBackfaceVisibilityHidden - | CompositingReasonActiveAnimation - | CompositingReasonTransitionProperty - | CompositingReasonOverflowScrollingTouch - | CompositingReasonOverflowScrollingParent - | CompositingReasonOutOfFlowClipping - | CompositingReasonWillChangeCompositingHint; - -const uint64_t CompositingReasonComboAllDirectStyleDeterminedReasons = - CompositingReason3DTransform - | CompositingReasonBackfaceVisibilityHidden - | CompositingReasonActiveAnimation - | CompositingReasonTransitionProperty - | CompositingReasonWillChangeCompositingHint; - -const uint64_t CompositingReasonComboCompositedDescendants = - CompositingReasonTransformWithCompositedDescendants - | CompositingReasonOpacityWithCompositedDescendants - | CompositingReasonMaskWithCompositedDescendants - | CompositingReasonFilterWithCompositedDescendants - | CompositingReasonClipsCompositingDescendants; - -const uint64_t CompositingReasonCombo3DDescendants = - CompositingReasonPreserve3DWith3DDescendants - | CompositingReasonPerspectiveWith3DDescendants; - -const uint64_t CompositingReasonComboAllStyleDeterminedReasons = - CompositingReasonComboAllDirectStyleDeterminedReasons - | CompositingReasonComboCompositedDescendants - | CompositingReasonCombo3DDescendants - | CompositingReasonInlineTransform; - -const uint64_t CompositingReasonComboReasonsThatRequireOwnBacking = - CompositingReasonComboAllDirectReasons - | CompositingReasonOverlap - | CompositingReasonAssumedOverlap - | CompositingReasonNegativeZIndexChildren - | CompositingReasonScrollsWithRespectToSquashingLayer - | CompositingReasonSquashingClippingContainerMismatch - | CompositingReasonSquashingOpacityAncestorMismatch - | CompositingReasonSquashingTransformAncestorMismatch - | CompositingReasonSquashingFilterAncestorMismatch - | CompositingReasonSquashingWouldBreakPaintOrder - | CompositingReasonSquashingVideoIsDisallowed - | CompositingReasonSquashedLayerClipsCompositingDescendants - | CompositingReasonTransformWithCompositedDescendants - | CompositingReasonOpacityWithCompositedDescendants - | CompositingReasonMaskWithCompositedDescendants - | CompositingReasonFilterWithCompositedDescendants - | CompositingReasonPreserve3DWith3DDescendants; // preserve-3d has to create backing store to ensure that 3d-transformed elements intersect. - -const uint64_t CompositingReasonComboSquashableReasons = - CompositingReasonOverlap - | CompositingReasonAssumedOverlap - | CompositingReasonOverflowScrollingParent; - -typedef uint64_t CompositingReasons; - -// Any reasons other than overlap or assumed overlap will require the layer to be separately compositing. -inline bool requiresCompositing(CompositingReasons reasons) -{ - return reasons & ~CompositingReasonComboSquashableReasons; -} - -// If the layer has overlap or assumed overlap, but no other reasons, then it should be squashed. -inline bool requiresSquashing(CompositingReasons reasons) -{ - return !requiresCompositing(reasons) && (reasons & CompositingReasonComboSquashableReasons); -} - -struct CompositingReasonStringMap { - CompositingReasons reason; - const char* shortName; - const char* description; -}; - -PLATFORM_EXPORT extern const CompositingReasonStringMap kCompositingReasonStringMap[]; -PLATFORM_EXPORT extern size_t kNumberOfCompositingReasons; - -} // namespace blink - -#endif // SKY_ENGINE_PLATFORM_GRAPHICS_COMPOSITINGREASONS_H_