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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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37 return; | 37 return; |
38 | 38 |
39 DCHECK(layer.filterInfo()); | 39 DCHECK(layer.filterInfo()); |
40 | 40 |
41 sk_sp<SkImageFilter> imageFilter = | 41 sk_sp<SkImageFilter> imageFilter = |
42 SkiaImageFilterBuilder::build(lastEffect, ColorSpaceDeviceRGB); | 42 SkiaImageFilterBuilder::build(lastEffect, ColorSpaceDeviceRGB); |
43 if (!imageFilter) | 43 if (!imageFilter) |
44 return; | 44 return; |
45 | 45 |
46 // We'll handle clipping to the dirty rect before filter rasterization. | 46 // We'll handle clipping to the dirty rect before filter rasterization. |
47 // Filter processing will automatically expand the clip rect and the offscreen
to accommodate any filter outsets. | 47 // Filter processing will automatically expand the clip rect and the offscreen |
48 // FIXME: It is incorrect to just clip to the damageRect here once multiple fr
agments are involved. | 48 // to accommodate any filter outsets. |
| 49 // FIXME: It is incorrect to just clip to the damageRect here once multiple |
| 50 // fragments are involved. |
49 | 51 |
50 // Subsequent code should not clip to the dirty rect, since we've already | 52 // 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. | 53 // done it above, and doing it later will defeat the outsets. |
52 paintingInfo.clipToDirtyRect = false; | 54 paintingInfo.clipToDirtyRect = false; |
53 | 55 |
54 DCHECK(m_layoutObject); | 56 DCHECK(m_layoutObject); |
55 | 57 |
56 if (clipRect.rect() != paintingInfo.paintDirtyRect || clipRect.hasRadius()) | 58 if (clipRect.rect() != paintingInfo.paintDirtyRect || clipRect.hasRadius()) |
57 m_clipRecorder = wrapUnique(new LayerClipRecorder( | 59 m_clipRecorder = wrapUnique(new LayerClipRecorder( |
58 context, *layer.layoutObject(), DisplayItem::kClipLayerFilter, clipRect, | 60 context, *layer.layoutObject(), DisplayItem::kClipLayerFilter, clipRect, |
59 &paintingInfo, LayoutPoint(), paintFlags)); | 61 &paintingInfo, LayoutPoint(), paintFlags)); |
60 | 62 |
61 if (!context.getPaintController().displayItemConstructionIsDisabled()) { | 63 if (!context.getPaintController().displayItemConstructionIsDisabled()) { |
62 CompositorFilterOperations compositorFilterOperations = | 64 CompositorFilterOperations compositorFilterOperations = |
63 layer.createCompositorFilterOperationsForFilter( | 65 layer.createCompositorFilterOperationsForFilter( |
64 m_layoutObject->styleRef()); | 66 m_layoutObject->styleRef()); |
65 // FIXME: It's possible to have empty CompositorFilterOperations here even | 67 // FIXME: It's possible to have empty CompositorFilterOperations here even |
66 // though the SkImageFilter produced above is non-null, since the | 68 // though the SkImageFilter produced above is non-null, since the |
67 // layer's FilterEffectBuilder can have a stale representation of | 69 // layer's FilterEffectBuilder can have a stale representation of |
68 // the layer's filter. See crbug.com/502026. | 70 // the layer's filter. See crbug.com/502026. |
69 if (compositorFilterOperations.isEmpty()) | 71 if (compositorFilterOperations.isEmpty()) |
70 return; | 72 return; |
71 LayoutRect visualBounds( | 73 LayoutRect visualBounds( |
72 layer.physicalBoundingBoxIncludingStackingChildren(offsetFromRoot)); | 74 layer.physicalBoundingBoxIncludingStackingChildren(offsetFromRoot)); |
73 if (layer.enclosingPaginationLayer()) { | 75 if (layer.enclosingPaginationLayer()) { |
74 // Filters are set up before pagination, so we need to make the bounding b
ox visual on our own. | 76 // Filters are set up before pagination, so we need to make the bounding |
| 77 // box visual on our own. |
75 visualBounds.moveBy(-offsetFromRoot); | 78 visualBounds.moveBy(-offsetFromRoot); |
76 layer.convertFromFlowThreadToVisualBoundingBoxInAncestor( | 79 layer.convertFromFlowThreadToVisualBoundingBoxInAncestor( |
77 paintingInfo.rootLayer, visualBounds); | 80 paintingInfo.rootLayer, visualBounds); |
78 } | 81 } |
79 FloatPoint origin(offsetFromRoot); | 82 FloatPoint origin(offsetFromRoot); |
80 context.getPaintController().createAndAppend<BeginFilterDisplayItem>( | 83 context.getPaintController().createAndAppend<BeginFilterDisplayItem>( |
81 *m_layoutObject, std::move(imageFilter), FloatRect(visualBounds), | 84 *m_layoutObject, std::move(imageFilter), FloatRect(visualBounds), |
82 origin, std::move(compositorFilterOperations)); | 85 origin, std::move(compositorFilterOperations)); |
83 } | 86 } |
84 | 87 |
85 m_filterInProgress = true; | 88 m_filterInProgress = true; |
86 } | 89 } |
87 | 90 |
88 FilterPainter::~FilterPainter() { | 91 FilterPainter::~FilterPainter() { |
89 if (!m_filterInProgress) | 92 if (!m_filterInProgress) |
90 return; | 93 return; |
91 | 94 |
92 m_context.getPaintController().endItem<EndFilterDisplayItem>(*m_layoutObject); | 95 m_context.getPaintController().endItem<EndFilterDisplayItem>(*m_layoutObject); |
93 } | 96 } |
94 | 97 |
95 } // namespace blink | 98 } // namespace blink |
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