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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 #include "core/paint/FilterPainter.h" | 5 #include "core/paint/FilterPainter.h" |
6 | 6 |
7 #include "core/paint/FilterEffectBuilder.h" | 7 #include "core/paint/FilterEffectBuilder.h" |
8 #include "core/paint/LayerClipRecorder.h" | 8 #include "core/paint/LayerClipRecorder.h" |
9 #include "core/paint/PaintLayer.h" | 9 #include "core/paint/PaintLayer.h" |
10 #include "platform/RuntimeEnabledFeatures.h" | 10 #include "platform/RuntimeEnabledFeatures.h" |
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44 // We'll handle clipping to the dirty rect before filter rasterization. | 44 // We'll handle clipping to the dirty rect before filter rasterization. |
45 // Filter processing will automatically expand the clip rect and the offscreen | 45 // Filter processing will automatically expand the clip rect and the offscreen |
46 // to accommodate any filter outsets. | 46 // to accommodate any filter outsets. |
47 // FIXME: It is incorrect to just clip to the damageRect here once multiple | 47 // FIXME: It is incorrect to just clip to the damageRect here once multiple |
48 // fragments are involved. | 48 // fragments are involved. |
49 | 49 |
50 // Subsequent code should not clip to the dirty rect, since we've already | 50 // Subsequent code should not clip to the dirty rect, since we've already |
51 // done it above, and doing it later will defeat the outsets. | 51 // done it above, and doing it later will defeat the outsets. |
52 paintingInfo.clipToDirtyRect = false; | 52 paintingInfo.clipToDirtyRect = false; |
53 | 53 |
54 DCHECK(m_layoutObject); | |
55 | |
56 if (clipRect.rect() != paintingInfo.paintDirtyRect || clipRect.hasRadius()) { | 54 if (clipRect.rect() != paintingInfo.paintDirtyRect || clipRect.hasRadius()) { |
57 m_clipRecorder = WTF::wrapUnique(new LayerClipRecorder( | 55 m_clipRecorder = WTF::wrapUnique(new LayerClipRecorder( |
58 context, *layer.layoutObject(), DisplayItem::kClipLayerFilter, clipRect, | 56 context, layer.layoutObject(), DisplayItem::kClipLayerFilter, clipRect, |
59 paintingInfo.rootLayer, LayoutPoint(), paintFlags)); | 57 paintingInfo.rootLayer, LayoutPoint(), paintFlags)); |
60 } | 58 } |
61 | 59 |
62 if (!context.getPaintController().displayItemConstructionIsDisabled()) { | 60 if (!context.getPaintController().displayItemConstructionIsDisabled()) { |
63 CompositorFilterOperations compositorFilterOperations = | 61 CompositorFilterOperations compositorFilterOperations = |
64 layer.createCompositorFilterOperationsForFilter( | 62 layer.createCompositorFilterOperationsForFilter( |
65 m_layoutObject->styleRef()); | 63 m_layoutObject.styleRef()); |
66 // FIXME: It's possible to have empty CompositorFilterOperations here even | 64 // FIXME: It's possible to have empty CompositorFilterOperations here even |
67 // though the SkImageFilter produced above is non-null, since the | 65 // though the SkImageFilter produced above is non-null, since the |
68 // layer's FilterEffectBuilder can have a stale representation of | 66 // layer's FilterEffectBuilder can have a stale representation of |
69 // the layer's filter. See crbug.com/502026. | 67 // the layer's filter. See crbug.com/502026. |
70 if (compositorFilterOperations.isEmpty()) | 68 if (compositorFilterOperations.isEmpty()) |
71 return; | 69 return; |
72 LayoutRect visualBounds( | 70 LayoutRect visualBounds( |
73 layer.physicalBoundingBoxIncludingStackingChildren(offsetFromRoot)); | 71 layer.physicalBoundingBoxIncludingStackingChildren(offsetFromRoot)); |
74 if (layer.enclosingPaginationLayer()) { | 72 if (layer.enclosingPaginationLayer()) { |
75 // Filters are set up before pagination, so we need to make the bounding | 73 // Filters are set up before pagination, so we need to make the bounding |
76 // box visual on our own. | 74 // box visual on our own. |
77 visualBounds.moveBy(-offsetFromRoot); | 75 visualBounds.moveBy(-offsetFromRoot); |
78 layer.convertFromFlowThreadToVisualBoundingBoxInAncestor( | 76 layer.convertFromFlowThreadToVisualBoundingBoxInAncestor( |
79 paintingInfo.rootLayer, visualBounds); | 77 paintingInfo.rootLayer, visualBounds); |
80 } | 78 } |
81 FloatPoint origin(offsetFromRoot); | 79 FloatPoint origin(offsetFromRoot); |
82 context.getPaintController().createAndAppend<BeginFilterDisplayItem>( | 80 context.getPaintController().createAndAppend<BeginFilterDisplayItem>( |
83 *m_layoutObject, std::move(imageFilter), FloatRect(visualBounds), | 81 m_layoutObject, std::move(imageFilter), FloatRect(visualBounds), origin, |
84 origin, std::move(compositorFilterOperations)); | 82 std::move(compositorFilterOperations)); |
85 } | 83 } |
86 | 84 |
87 m_filterInProgress = true; | 85 m_filterInProgress = true; |
88 } | 86 } |
89 | 87 |
90 FilterPainter::~FilterPainter() { | 88 FilterPainter::~FilterPainter() { |
91 if (!m_filterInProgress) | 89 if (!m_filterInProgress) |
92 return; | 90 return; |
93 | 91 |
94 m_context.getPaintController().endItem<EndFilterDisplayItem>(*m_layoutObject); | 92 m_context.getPaintController().endItem<EndFilterDisplayItem>(m_layoutObject); |
95 } | 93 } |
96 | 94 |
97 } // namespace blink | 95 } // namespace blink |
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