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Side by Side Diff: third_party/WebKit/Source/core/paint/PaintLayerClipperTest.cpp

Issue 2822653003: [SPInvalidation] Micro-optimize PaintLayerClipper::calculateRects (Closed)
Patch Set: none Created 3 years, 8 months ago
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1 // Copyright 2016 The Chromium Authors. All rights reserved. 1 // Copyright 2016 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/PaintLayerClipper.h" 5 #include "core/paint/PaintLayerClipper.h"
6 6
7 #include "core/layout/LayoutBoxModelObject.h" 7 #include "core/layout/LayoutBoxModelObject.h"
8 #include "core/layout/LayoutTestHelper.h" 8 #include "core/layout/LayoutTestHelper.h"
9 #include "core/layout/LayoutView.h" 9 #include "core/layout/LayoutView.h"
10 #include "core/paint/PaintLayer.h" 10 #include "core/paint/PaintLayer.h"
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56 context.SetIgnoreOverflowClip(); 56 context.SetIgnoreOverflowClip();
57 LayoutRect layer_bounds; 57 LayoutRect layer_bounds;
58 ClipRect background_rect, foreground_rect; 58 ClipRect background_rect, foreground_rect;
59 59
60 PaintLayer::GeometryMapperOption option = PaintLayer::kDoNotUseGeometryMapper; 60 PaintLayer::GeometryMapperOption option = PaintLayer::kDoNotUseGeometryMapper;
61 if (RuntimeEnabledFeatures::slimmingPaintInvalidationEnabled()) 61 if (RuntimeEnabledFeatures::slimmingPaintInvalidationEnabled())
62 option = PaintLayer::kUseGeometryMapper; 62 option = PaintLayer::kUseGeometryMapper;
63 target_paint_layer->Clipper(option).CalculateRects( 63 target_paint_layer->Clipper(option).CalculateRects(
64 context, LayoutRect(LayoutRect::InfiniteIntRect()), layer_bounds, 64 context, LayoutRect(LayoutRect::InfiniteIntRect()), layer_bounds,
65 background_rect, foreground_rect); 65 background_rect, foreground_rect);
66 // TODO(chrishtr): investigate why these differences exist. 66
67 EXPECT_EQ(LayoutRect(FloatRect(8.25, 8.35, 200, 300)),
68 background_rect.Rect());
67 if (RuntimeEnabledFeatures::slimmingPaintInvalidationEnabled()) { 69 if (RuntimeEnabledFeatures::slimmingPaintInvalidationEnabled()) {
68 EXPECT_EQ(LayoutRect(FloatRect(8.25, 8.35, 200, 300)), 70 EXPECT_EQ(LayoutRect(FloatRect(8.25, 8.35, 199.75, 299.66)),
69 background_rect.Rect());
70 EXPECT_EQ(LayoutRect(FloatRect(8.25, 8.35, 200, 300)),
71 foreground_rect.Rect()); 71 foreground_rect.Rect());
72 } else { 72 } else {
73 EXPECT_EQ(LayoutRect(FloatRect(8, 8, 200, 300)), background_rect.Rect()); 73 // TODO(chrishtr): this is off by 0.25px because
74 // LayoutSVGRoot::OverflowClipRect incorrectly does pixel-snapping.
74 EXPECT_EQ(LayoutRect(FloatRect(8, 8, 200, 300)), foreground_rect.Rect()); 75 EXPECT_EQ(LayoutRect(FloatRect(8, 8, 200, 300)), foreground_rect.Rect());
75 } 76 }
76 EXPECT_EQ(LayoutRect(8, 8, 200, 300), layer_bounds); 77 EXPECT_EQ(LayoutRect(FloatRect(8.25, 8.35, 200, 300)), layer_bounds);
77 } 78 }
78 79
79 TEST_P(PaintLayerClipperTest, ControlClip) { 80 TEST_P(PaintLayerClipperTest, ControlClip) {
80 SetBodyInnerHTML( 81 SetBodyInnerHTML(
81 "<!DOCTYPE html>" 82 "<!DOCTYPE html>"
82 "<input id=target style='position:absolute; width: 200px; height: 300px'" 83 "<input id=target style='position:absolute; width: 200px; height: 300px'"
83 " type=button>"); 84 " type=button>");
84 Element* target = GetDocument().GetElementById("target"); 85 Element* target = GetDocument().GetElementById("target");
85 PaintLayer* target_paint_layer = 86 PaintLayer* target_paint_layer =
86 ToLayoutBoxModelObject(target->GetLayoutObject())->Layer(); 87 ToLayoutBoxModelObject(target->GetLayoutObject())->Layer();
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511 ClipRect background_rect(infinite_rect); 512 ClipRect background_rect(infinite_rect);
512 ClipRect foreground_rect(infinite_rect); 513 ClipRect foreground_rect(infinite_rect);
513 target->Clipper(option).CalculateRects(context, infinite_rect, layer_bounds, 514 target->Clipper(option).CalculateRects(context, infinite_rect, layer_bounds,
514 background_rect, foreground_rect); 515 background_rect, foreground_rect);
515 516
516 EXPECT_EQ(LayoutRect(-12, -9, 124, 224), background_rect.Rect()); 517 EXPECT_EQ(LayoutRect(-12, -9, 124, 224), background_rect.Rect());
517 EXPECT_EQ(LayoutRect(0, 0, 100, 200), foreground_rect.Rect()); 518 EXPECT_EQ(LayoutRect(0, 0, 100, 200), foreground_rect.Rect());
518 } 519 }
519 520
520 } // namespace blink 521 } // namespace blink
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