Source/core/paint/LayerPainter.h - Issue 725433002: Remove optimization to lazily allocate transparency layers in LayerPainter.

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Issue 725433002: Remove optimization to lazily allocate transparency layers in LayerPainter. (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Created 6 years, 1 month ago

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1 // Copyright 2014 The Chromium Authors. All rights reserved.	1 // Copyright 2014 The Chromium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be	2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.	3 // found in the LICENSE file.

4	4

5 #ifndef LayerPainter_h	5 #ifndef LayerPainter_h

6 #define LayerPainter_h	6 #define LayerPainter_h

7	7

8 #include "core/paint/ClipRecorder.h"	8 #include "core/paint/ClipRecorder.h"

9 #include "core/rendering/LayerFragment.h"	9 #include "core/rendering/LayerFragment.h"

10 #include "core/rendering/LayerPaintingInfo.h"	10 #include "core/rendering/LayerPaintingInfo.h"

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24 void paint(GraphicsContext, const LayoutRect& damageRect, PaintBehavior = P aintBehaviorNormal, RenderObject paintingRoot = 0, PaintLayerFlags = 0);	24 void paint(GraphicsContext, const LayoutRect& damageRect, PaintBehavior = P aintBehaviorNormal, RenderObject paintingRoot = 0, PaintLayerFlags = 0);

25 // paintLayer() assumes that the caller will clip to the bounds of the paint ing dirty if necessary.	25 // paintLayer() assumes that the caller will clip to the bounds of the paint ing dirty if necessary.

26 void paintLayer(GraphicsContext*, const LayerPaintingInfo&, PaintLayerFlags) ;	26 void paintLayer(GraphicsContext*, const LayerPaintingInfo&, PaintLayerFlags) ;

27 // paintLayerContents() assumes that the caller will clip to the bounds of t he painting dirty rect if necessary.	27 // paintLayerContents() assumes that the caller will clip to the bounds of t he painting dirty rect if necessary.

28 void paintLayerContents(GraphicsContext*, const LayerPaintingInfo&, PaintLay erFlags);	28 void paintLayerContents(GraphicsContext*, const LayerPaintingInfo&, PaintLay erFlags);

29	29

30 void paintOverlayScrollbars(GraphicsContext, const LayoutRect& damageRect, PaintBehavior, RenderObject paintingRoot = 0);	30 void paintOverlayScrollbars(GraphicsContext, const LayoutRect& damageRect, PaintBehavior, RenderObject paintingRoot = 0);

31	31

32 enum BorderRadiusClippingRule { IncludeSelfForBorderRadius, DoNotIncludeSelf ForBorderRadius };	32 enum BorderRadiusClippingRule { IncludeSelfForBorderRadius, DoNotIncludeSelf ForBorderRadius };

33 static void applyRoundedRectClips(RenderLayer&, const LayerPaintingInfo&, Gr aphicsContext*, PaintLayerFlags, ClipRecorder&, BorderRadiusClippingRule = Inclu deSelfForBorderRadius);	33 static void applyRoundedRectClips(RenderLayer&, const LayerPaintingInfo&, Gr aphicsContext*, PaintLayerFlags, ClipRecorder&, BorderRadiusClippingRule = Inclu deSelfForBorderRadius);

34 static void beginTransparencyLayers(GraphicsContext, RenderLayer&, const Re nderLayer rootLayer, const LayoutRect& paintDirtyRect, const LayoutSize& subPix elAccumulation, PaintBehavior);

35	34

36 private:	35 private:

37 enum ClipState { HasNotClipped, HasClipped };	36 enum ClipState { HasNotClipped, HasClipped };

38	37

39 void paintLayerContentsAndReflection(GraphicsContext*, const LayerPaintingIn fo&, PaintLayerFlags);	38 void paintLayerContentsAndReflection(GraphicsContext*, const LayerPaintingIn fo&, PaintLayerFlags);

40 void paintLayerByApplyingTransform(GraphicsContext*, const LayerPaintingInfo &, PaintLayerFlags, const LayoutPoint& translationOffset = LayoutPoint());	39 void paintLayerByApplyingTransform(GraphicsContext*, const LayerPaintingInfo &, PaintLayerFlags, const LayoutPoint& translationOffset = LayoutPoint());

41	40

42 void paintChildren(unsigned childrenToVisit, GraphicsContext*, const LayerPa intingInfo&, PaintLayerFlags);	41 void paintChildren(unsigned childrenToVisit, GraphicsContext*, const LayerPa intingInfo&, PaintLayerFlags);

43 void paintPaginatedChildLayer(RenderLayer* childLayer, GraphicsContext*, con st LayerPaintingInfo&, PaintLayerFlags);	42 void paintPaginatedChildLayer(RenderLayer* childLayer, GraphicsContext*, con st LayerPaintingInfo&, PaintLayerFlags);

44 void paintChildLayerIntoColumns(RenderLayer* childLayer, GraphicsContext, c onst LayerPaintingInfo&, PaintLayerFlags, const Vector<RenderLayer>& columnLaye rs, size_t columnIndex);	43 void paintChildLayerIntoColumns(RenderLayer* childLayer, GraphicsContext, c onst LayerPaintingInfo&, PaintLayerFlags, const Vector<RenderLayer>& columnLaye rs, size_t columnIndex);

45 bool atLeastOneFragmentIntersectsDamageRect(LayerFragments&, const LayerPain tingInfo&, PaintLayerFlags, const LayoutPoint& offsetFromRoot);	44 bool atLeastOneFragmentIntersectsDamageRect(LayerFragments&, const LayerPain tingInfo&, PaintLayerFlags, const LayoutPoint& offsetFromRoot);

46 void paintFragmentWithPhase(PaintPhase, const LayerFragment&, GraphicsContex t, const ClipRect&, const LayerPaintingInfo&, PaintBehavior, RenderObject pain tingRootForRenderer, PaintLayerFlags, ClipState);	45 void paintFragmentWithPhase(PaintPhase, const LayerFragment&, GraphicsContex t, const ClipRect&, const LayerPaintingInfo&, PaintBehavior, RenderObject pain tingRootForRenderer, PaintLayerFlags, ClipState);

47 void paintBackgroundForFragments(const LayerFragments&, GraphicsContext*,	46 void paintBackgroundForFragments(const LayerFragments&, GraphicsContext*,

48 const LayoutRect& transparencyPaintDirtyRect, bool haveTransparency, con st LayerPaintingInfo&, PaintBehavior, RenderObject* paintingRootForRenderer, Pai ntLayerFlags);	47 const LayoutRect& transparencyPaintDirtyRect, const LayerPaintingInfo&, PaintBehavior, RenderObject* paintingRootForRenderer, PaintLayerFlags);

49 void paintForegroundForFragments(const LayerFragments&, GraphicsContext*,	48 void paintForegroundForFragments(const LayerFragments&, GraphicsContext*,

50 const LayoutRect& transparencyPaintDirtyRect, bool haveTransparency, con st LayerPaintingInfo&, PaintBehavior, RenderObject* paintingRootForRenderer,	49 const LayoutRect& transparencyPaintDirtyRect, const LayerPaintingInfo&, PaintBehavior, RenderObject* paintingRootForRenderer,

51 bool selectionOnly, PaintLayerFlags);	50 bool selectionOnly, PaintLayerFlags);

52 void paintForegroundForFragmentsWithPhase(PaintPhase, const LayerFragments&, GraphicsContext, const LayerPaintingInfo&, PaintBehavior, RenderObject painti ngRootForRenderer, PaintLayerFlags, ClipState);	51 void paintForegroundForFragmentsWithPhase(PaintPhase, const LayerFragments&, GraphicsContext, const LayerPaintingInfo&, PaintBehavior, RenderObject painti ngRootForRenderer, PaintLayerFlags, ClipState);

53 void paintOutlineForFragments(const LayerFragments&, GraphicsContext, const LayerPaintingInfo&, PaintBehavior, RenderObject paintingRootForRenderer, Paint LayerFlags);	52 void paintOutlineForFragments(const LayerFragments&, GraphicsContext, const LayerPaintingInfo&, PaintBehavior, RenderObject paintingRootForRenderer, Paint LayerFlags);

54 void paintOverflowControlsForFragments(const LayerFragments&, GraphicsContex t*, const LayerPaintingInfo&, PaintLayerFlags);	53 void paintOverflowControlsForFragments(const LayerFragments&, GraphicsContex t*, const LayerPaintingInfo&, PaintLayerFlags);

55 void paintMaskForFragments(const LayerFragments&, GraphicsContext, const La yerPaintingInfo&, RenderObject paintingRootForRenderer, PaintLayerFlags);	54 void paintMaskForFragments(const LayerFragments&, GraphicsContext, const La yerPaintingInfo&, RenderObject paintingRootForRenderer, PaintLayerFlags);

56 void paintChildClippingMaskForFragments(const LayerFragments&, GraphicsConte xt, const LayerPaintingInfo&, RenderObject paintingRootForRenderer, PaintLayer Flags);	55 void paintChildClippingMaskForFragments(const LayerFragments&, GraphicsConte xt, const LayerPaintingInfo&, RenderObject paintingRootForRenderer, PaintLayer Flags);

57 void paintTransformedLayerIntoFragments(GraphicsContext*, const LayerPaintin gInfo&, PaintLayerFlags);	56 void paintTransformedLayerIntoFragments(GraphicsContext*, const LayerPaintin gInfo&, PaintLayerFlags);

	57 void beginTransparencyLayers(GraphicsContext, const RenderLayer rootLayer, const LayoutRect& paintDirtyRect, const LayoutSize& subPixelAccumulation, Paint Behavior);

58	58

59 static bool needsToClip(const LayerPaintingInfo& localPaintingInfo, const Cl ipRect&);	59 static bool needsToClip(const LayerPaintingInfo& localPaintingInfo, const Cl ipRect&);

60	60

61 // Returns whether this layer should be painted during sofware painting (i.e ., not via calls from CompositedLayerMapping to draw into composited	61 // Returns whether this layer should be painted during sofware painting (i.e ., not via calls from CompositedLayerMapping to draw into composited

62 // layers).	62 // layers).

63 bool shouldPaintLayerInSoftwareMode(const LayerPaintingInfo&, PaintLayerFlag s paintFlags);	63 bool shouldPaintLayerInSoftwareMode(const LayerPaintingInfo&, PaintLayerFlag s paintFlags);

	64 bool shouldCreateTransparencyLayerForBlendMode();

64	65

65 RenderLayer& m_renderLayer;	66 RenderLayer& m_renderLayer;

66 };	67 };

67	68

68 } // namespace blink	69 } // namespace blink

69	70

70 #endif // LayerPainter_h	71 #endif // LayerPainter_h

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