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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include <vector> | |
| 6 #include "cc/blink/web_layer_impl_fixed_bounds.h" | |
| 7 #include "cc/layers/picture_image_layer.h" | |
| 8 #include "cc/test/fake_layer_tree_host.h" | |
| 9 #include "cc/test/geometry_test_utils.h" | |
| 10 #include "cc/trees/layer_tree_host_common.h" | |
| 11 #include "testing/gtest/include/gtest/gtest.h" | |
| 12 #include "third_party/WebKit/public/platform/WebFloatPoint.h" | |
| 13 #include "third_party/WebKit/public/platform/WebSize.h" | |
| 14 #include "third_party/skia/include/utils/SkMatrix44.h" | |
| 15 #include "ui/gfx/geometry/point3_f.h" | |
| 16 | |
| 17 using blink::WebFloatPoint; | |
| 18 using blink::WebSize; | |
| 19 | |
| 20 namespace cc_blink { | |
| 21 namespace { | |
| 22 | |
| 23 TEST(WebLayerImplFixedBoundsTest, IdentityBounds) { | |
| 24 scoped_ptr<WebLayerImplFixedBounds> layer(new WebLayerImplFixedBounds()); | |
| 25 layer->SetFixedBounds(gfx::Size(100, 100)); | |
| 26 layer->setBounds(WebSize(100, 100)); | |
| 27 EXPECT_EQ(WebSize(100, 100), layer->bounds()); | |
| 28 EXPECT_EQ(gfx::Size(100, 100), layer->layer()->bounds()); | |
| 29 EXPECT_EQ(gfx::Transform(), layer->layer()->transform()); | |
| 30 } | |
| 31 | |
| 32 gfx::Point3F TransformPoint(const gfx::Transform& transform, | |
| 33 const gfx::Point3F& point) { | |
| 34 gfx::Point3F result = point; | |
| 35 transform.TransformPoint(&result); | |
| 36 return result; | |
| 37 } | |
| 38 | |
| 39 void CheckBoundsScaleSimple(WebLayerImplFixedBounds* layer, | |
| 40 const WebSize& bounds, | |
| 41 const gfx::Size& fixed_bounds) { | |
| 42 layer->setBounds(bounds); | |
| 43 layer->SetFixedBounds(fixed_bounds); | |
| 44 | |
| 45 EXPECT_EQ(bounds, layer->bounds()); | |
| 46 EXPECT_EQ(fixed_bounds, layer->layer()->bounds()); | |
| 47 EXPECT_TRUE(layer->transform().isIdentity()); | |
| 48 | |
| 49 // An arbitrary point to check the scale and transforms. | |
| 50 gfx::Point3F original_point(10, 20, 1); | |
| 51 gfx::Point3F scaled_point( | |
| 52 original_point.x() * bounds.width / fixed_bounds.width(), | |
| 53 original_point.y() * bounds.height / fixed_bounds.height(), | |
| 54 original_point.z()); | |
| 55 // Test if the bounds scale is correctly applied in transform. | |
| 56 EXPECT_POINT3F_EQ(scaled_point, TransformPoint(layer->layer()->transform(), | |
| 57 original_point)); | |
| 58 } | |
| 59 | |
| 60 TEST(WebLayerImplFixedBoundsTest, BoundsScaleSimple) { | |
| 61 scoped_ptr<WebLayerImplFixedBounds> layer(new WebLayerImplFixedBounds()); | |
| 62 CheckBoundsScaleSimple(layer.get(), WebSize(100, 200), gfx::Size(150, 250)); | |
| 63 // Change fixed_bounds. | |
| 64 CheckBoundsScaleSimple(layer.get(), WebSize(100, 200), gfx::Size(75, 100)); | |
| 65 // Change bounds. | |
| 66 CheckBoundsScaleSimple(layer.get(), WebSize(300, 100), gfx::Size(75, 100)); | |
| 67 } | |
| 68 | |
| 69 void ExpectEqualLayerRectsInTarget(cc::Layer* layer1, cc::Layer* layer2) { | |
| 70 gfx::RectF layer1_rect_in_target(layer1->content_bounds()); | |
| 71 layer1->draw_transform().TransformRect(&layer1_rect_in_target); | |
| 72 | |
| 73 gfx::RectF layer2_rect_in_target(layer2->content_bounds()); | |
| 74 layer2->draw_transform().TransformRect(&layer2_rect_in_target); | |
| 75 | |
| 76 EXPECT_FLOAT_RECT_EQ(layer1_rect_in_target, layer2_rect_in_target); | |
| 77 } | |
| 78 | |
| 79 void CompareFixedBoundsLayerAndNormalLayer(const WebFloatPoint& anchor_point, | |
| 80 const gfx::Transform& transform) { | |
| 81 const gfx::Size kDeviceViewportSize(800, 600); | |
| 82 const float kDeviceScaleFactor = 2.f; | |
| 83 const float kPageScaleFactor = 1.5f; | |
| 84 | |
| 85 WebSize bounds(150, 200); | |
| 86 WebFloatPoint position(20, 30); | |
| 87 gfx::Size fixed_bounds(160, 70); | |
| 88 | |
| 89 scoped_ptr<WebLayerImplFixedBounds> root_layer(new WebLayerImplFixedBounds()); | |
| 90 | |
| 91 WebLayerImplFixedBounds* fixed_bounds_layer = | |
| 92 new WebLayerImplFixedBounds(cc::PictureImageLayer::Create()); | |
| 93 fixed_bounds_layer->setBounds(bounds); | |
| 94 fixed_bounds_layer->SetFixedBounds(fixed_bounds); | |
| 95 fixed_bounds_layer->setTransform(transform.matrix()); | |
| 96 fixed_bounds_layer->setPosition(position); | |
| 97 root_layer->addChild(fixed_bounds_layer); | |
| 98 | |
| 99 WebLayerImpl* normal_layer(new WebLayerImpl(cc::PictureImageLayer::Create())); | |
| 100 | |
| 101 normal_layer->setBounds(bounds); | |
| 102 normal_layer->setTransform(transform.matrix()); | |
| 103 normal_layer->setPosition(position); | |
| 104 root_layer->addChild(normal_layer); | |
| 105 | |
| 106 cc::FakeLayerTreeHostClient client(cc::FakeLayerTreeHostClient::DIRECT_3D); | |
| 107 scoped_ptr<cc::FakeLayerTreeHost> host = | |
| 108 cc::FakeLayerTreeHost::Create(&client); | |
| 109 host->SetRootLayer(root_layer->layer()); | |
| 110 | |
| 111 { | |
| 112 cc::RenderSurfaceLayerList render_surface_layer_list; | |
| 113 cc::LayerTreeHostCommon::CalcDrawPropsMainInputsForTesting inputs( | |
| 114 root_layer->layer(), kDeviceViewportSize, &render_surface_layer_list); | |
| 115 inputs.device_scale_factor = kDeviceScaleFactor; | |
| 116 inputs.page_scale_factor = kPageScaleFactor; | |
| 117 inputs.page_scale_application_layer = root_layer->layer(), | |
| 118 cc::LayerTreeHostCommon::CalculateDrawProperties(&inputs); | |
| 119 | |
| 120 ExpectEqualLayerRectsInTarget(normal_layer->layer(), | |
| 121 fixed_bounds_layer->layer()); | |
| 122 } | |
| 123 | |
| 124 // Change of fixed bounds should not affect the target geometries. | |
| 125 fixed_bounds_layer->SetFixedBounds( | |
| 126 gfx::Size(fixed_bounds.width() / 2, fixed_bounds.height() * 2)); | |
| 127 | |
| 128 { | |
| 129 cc::RenderSurfaceLayerList render_surface_layer_list; | |
| 130 cc::LayerTreeHostCommon::CalcDrawPropsMainInputsForTesting inputs( | |
| 131 root_layer->layer(), kDeviceViewportSize, &render_surface_layer_list); | |
| 132 inputs.device_scale_factor = kDeviceScaleFactor; | |
| 133 inputs.page_scale_factor = kPageScaleFactor; | |
| 134 inputs.page_scale_application_layer = root_layer->layer(), | |
| 135 cc::LayerTreeHostCommon::CalculateDrawProperties(&inputs); | |
| 136 | |
| 137 ExpectEqualLayerRectsInTarget(normal_layer->layer(), | |
| 138 fixed_bounds_layer->layer()); | |
| 139 } | |
| 140 } | |
| 141 | |
| 142 // TODO(perkj): CompareToWebLayerImplSimple disabled on LSAN due to crbug/386080 | |
| 143 #if defined(LEAK_SANITIZER) | |
| 144 #define MAYBE_CompareToWebLayerImplSimple DISABLED_CompareToWebLayerImplSimple | |
| 145 #else | |
| 146 #define MAYBE_CompareToWebLayerImplSimple CompareToWebLayerImplSimple | |
| 147 #endif | |
| 148 // A black box test that ensures WebLayerImplFixedBounds won't change target | |
| 149 // geometries. Simple case: identity transforms and zero anchor point. | |
| 150 TEST(WebLayerImplFixedBoundsTest, MAYBE_CompareToWebLayerImplSimple) { | |
| 151 CompareFixedBoundsLayerAndNormalLayer(WebFloatPoint(0, 0), gfx::Transform()); | |
| 152 } | |
| 153 | |
| 154 // TODO(perkj): CompareToWebLayerImplComplex disabled on LSAN due to | |
| 155 // crbug/386080 | |
| 156 #if defined(LEAK_SANITIZER) | |
| 157 #define MAYBE_CompareToWebLayerImplComplex DISABLED_CompareToWebLayerImplComplex | |
| 158 #else | |
| 159 #define MAYBE_CompareToWebLayerImplComplex CompareToWebLayerImplComplex | |
| 160 #endif | |
| 161 // A black box test that ensures WebLayerImplFixedBounds won't change target | |
| 162 // geometries. Complex case: complex transforms and non-zero anchor point. | |
| 163 TEST(WebLayerImplFixedBoundsTest, MAYBE_CompareToWebLayerImplComplex) { | |
| 164 gfx::Transform transform; | |
| 165 // These are arbitrary values that should not affect the results. | |
| 166 transform.Translate3d(50, 60, 70); | |
| 167 transform.Scale3d(2, 3, 4); | |
| 168 transform.RotateAbout(gfx::Vector3dF(33, 44, 55), 99); | |
| 169 | |
| 170 CompareFixedBoundsLayerAndNormalLayer(WebFloatPoint(0, 0), transform); | |
| 171 | |
| 172 // With non-zero anchor point, WebLayerImplFixedBounds will fall back to | |
| 173 // WebLayerImpl. | |
| 174 CompareFixedBoundsLayerAndNormalLayer(WebFloatPoint(0.4f, 0.6f), transform); | |
| 175 } | |
| 176 | |
| 177 } // namespace | |
| 178 } // namespace cc_blink | |
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