1 // Copyright 2011 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 "cc/layers/layer_impl.h" 6 7 #include "cc/layers/painted_scrollbar_layer_impl.h" 8 #include "cc/output/filter_operation.h" 9 #include "cc/output/filter_operations.h" 10 #include "cc/test/fake_impl_proxy.h" 11 #include "cc/test/fake_layer_tree_host_impl.h" 12 #include "cc/test/fake_output_surface.h" 13 #include "cc/test/geometry_test_utils.h" 14 #include "cc/test/test_shared_bitmap_manager.h" 15 #include "cc/trees/layer_tree_impl.h" 16 #include "cc/trees/single_thread_proxy.h" 17 #include "testing/gmock/include/gmock/gmock.h" 18 #include "testing/gtest/include/gtest/gtest.h" 19 #include "third_party/skia/include/effects/SkBlurImageFilter.h" 20 #include "ui/gfx/geometry/vector2d_conversions.h" 21 22 namespace cc { 23 namespace { 24 25 #define EXECUTE_AND_VERIFY_SUBTREE_CHANGED(code_to_test) \ 26 root->ResetAllChangeTrackingForSubtree(); \ 27 code_to_test; \ 28 EXPECT_TRUE(root->needs_push_properties()); \ 29 EXPECT_FALSE(child->needs_push_properties()); \ 30 EXPECT_FALSE(grand_child->needs_push_properties()); \ 31 EXPECT_TRUE(root->LayerPropertyChanged()); \ 32 EXPECT_TRUE(child->LayerPropertyChanged()); \ 33 EXPECT_TRUE(grand_child->LayerPropertyChanged()); 34 35 #define EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(code_to_test) \ 36 root->ResetAllChangeTrackingForSubtree(); \ 37 code_to_test; \ 38 EXPECT_FALSE(root->needs_push_properties()); \ 39 EXPECT_FALSE(child->needs_push_properties()); \ 40 EXPECT_FALSE(grand_child->needs_push_properties()); \ 41 EXPECT_FALSE(root->LayerPropertyChanged()); \ 42 EXPECT_FALSE(child->LayerPropertyChanged()); \ 43 EXPECT_FALSE(grand_child->LayerPropertyChanged()); 44 45 #define EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE( \ 46 code_to_test) \ 47 root->ResetAllChangeTrackingForSubtree(); \ 48 code_to_test; \ 49 EXPECT_TRUE(root->needs_push_properties()); \ 50 EXPECT_FALSE(child->needs_push_properties()); \ 51 EXPECT_FALSE(grand_child->needs_push_properties()); \ 52 EXPECT_FALSE(root->LayerPropertyChanged()); \ 53 EXPECT_FALSE(child->LayerPropertyChanged()); \ 54 EXPECT_FALSE(grand_child->LayerPropertyChanged()); 55 56 #define EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(code_to_test) \ 57 root->ResetAllChangeTrackingForSubtree(); \ 58 code_to_test; \ 59 EXPECT_TRUE(root->needs_push_properties()); \ 60 EXPECT_FALSE(child->needs_push_properties()); \ 61 EXPECT_FALSE(grand_child->needs_push_properties()); \ 62 EXPECT_TRUE(root->LayerPropertyChanged()); \ 63 EXPECT_FALSE(child->LayerPropertyChanged()); \ 64 EXPECT_FALSE(grand_child->LayerPropertyChanged()); 65 66 #define VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(code_to_test) \ 67 root->ResetAllChangeTrackingForSubtree(); \ 68 host_impl.ForcePrepareToDraw(); \ 69 EXPECT_FALSE(host_impl.active_tree()->needs_update_draw_properties()); \ 70 code_to_test; \ 71 EXPECT_TRUE(host_impl.active_tree()->needs_update_draw_properties()); 72 73 #define VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(code_to_test) \ 74 root->ResetAllChangeTrackingForSubtree(); \ 75 host_impl.ForcePrepareToDraw(); \ 76 EXPECT_FALSE(host_impl.active_tree()->needs_update_draw_properties()); \ 77 code_to_test; \ 78 EXPECT_FALSE(host_impl.active_tree()->needs_update_draw_properties()); 79 80 TEST(LayerImplTest, VerifyLayerChangesAreTrackedProperly) { 81 // 82 // This test checks that layerPropertyChanged() has the correct behavior. 83 // 84 85 // The constructor on this will fake that we are on the correct thread. 86 // Create a simple LayerImpl tree: 87 FakeImplProxy proxy; 88 TestSharedBitmapManager shared_bitmap_manager; 89 FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager); 90 EXPECT_TRUE(host_impl.InitializeRenderer( 91 FakeOutputSurface::Create3d().PassAs<OutputSurface>())); 92 scoped_ptr<LayerImpl> root_clip = 93 LayerImpl::Create(host_impl.active_tree(), 1); 94 scoped_ptr<LayerImpl> root_ptr = 95 LayerImpl::Create(host_impl.active_tree(), 2); 96 LayerImpl* root = root_ptr.get(); 97 root_clip->AddChild(root_ptr.Pass()); 98 scoped_ptr<LayerImpl> scroll_parent = 99 LayerImpl::Create(host_impl.active_tree(), 3); 100 LayerImpl* scroll_child = LayerImpl::Create(host_impl.active_tree(), 4).get(); 101 std::set<LayerImpl*>* scroll_children = new std::set<LayerImpl*>(); 102 scroll_children->insert(scroll_child); 103 scroll_children->insert(root); 104 105 scoped_ptr<LayerImpl> clip_parent = 106 LayerImpl::Create(host_impl.active_tree(), 5); 107 LayerImpl* clip_child = LayerImpl::Create(host_impl.active_tree(), 6).get(); 108 std::set<LayerImpl*>* clip_children = new std::set<LayerImpl*>(); 109 clip_children->insert(clip_child); 110 clip_children->insert(root); 111 112 root->AddChild(LayerImpl::Create(host_impl.active_tree(), 7)); 113 LayerImpl* child = root->children()[0]; 114 child->AddChild(LayerImpl::Create(host_impl.active_tree(), 8)); 115 LayerImpl* grand_child = child->children()[0]; 116 117 root->SetScrollClipLayer(root_clip->id()); 118 119 // Adding children is an internal operation and should not mark layers as 120 // changed. 121 EXPECT_FALSE(root->LayerPropertyChanged()); 122 EXPECT_FALSE(child->LayerPropertyChanged()); 123 EXPECT_FALSE(grand_child->LayerPropertyChanged()); 124 125 gfx::PointF arbitrary_point_f = gfx::PointF(0.125f, 0.25f); 126 gfx::Point3F arbitrary_point_3f = gfx::Point3F(0.125f, 0.25f, 0.f); 127 float arbitrary_number = 0.352f; 128 gfx::Size arbitrary_size = gfx::Size(111, 222); 129 gfx::Point arbitrary_point = gfx::Point(333, 444); 130 gfx::Vector2d arbitrary_vector2d = gfx::Vector2d(111, 222); 131 gfx::Rect arbitrary_rect = gfx::Rect(arbitrary_point, arbitrary_size); 132 gfx::RectF arbitrary_rect_f = 133 gfx::RectF(arbitrary_point_f, gfx::SizeF(1.234f, 5.678f)); 134 SkColor arbitrary_color = SkColorSetRGB(10, 20, 30); 135 gfx::Transform arbitrary_transform; 136 arbitrary_transform.Scale3d(0.1f, 0.2f, 0.3f); 137 FilterOperations arbitrary_filters; 138 arbitrary_filters.Append(FilterOperation::CreateOpacityFilter(0.5f)); 139 SkXfermode::Mode arbitrary_blend_mode = SkXfermode::kMultiply_Mode; 140 141 // These properties are internal, and should not be considered "change" when 142 // they are used. 143 EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE( 144 root->SetUpdateRect(arbitrary_rect_f)); 145 EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->SetBounds(arbitrary_size)); 146 147 // Changing these properties affects the entire subtree of layers. 148 EXECUTE_AND_VERIFY_SUBTREE_CHANGED( 149 root->SetTransformOrigin(arbitrary_point_3f)); 150 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetFilters(arbitrary_filters)); 151 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetFilters(FilterOperations())); 152 EXECUTE_AND_VERIFY_SUBTREE_CHANGED( 153 root->SetMaskLayer(LayerImpl::Create(host_impl.active_tree(), 9))); 154 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetMasksToBounds(true)); 155 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetContentsOpaque(true)); 156 EXECUTE_AND_VERIFY_SUBTREE_CHANGED( 157 root->SetReplicaLayer(LayerImpl::Create(host_impl.active_tree(), 10))); 158 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetPosition(arbitrary_point_f)); 159 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetShouldFlattenTransform(false)); 160 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->Set3dSortingContextId(1)); 161 EXECUTE_AND_VERIFY_SUBTREE_CHANGED( 162 root->SetDoubleSided(false)); // constructor initializes it to "true". 163 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->ScrollBy(arbitrary_vector2d)); 164 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetScrollDelta(gfx::Vector2d())); 165 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetScrollOffset(arbitrary_vector2d)); 166 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetHideLayerAndSubtree(true)); 167 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetOpacity(arbitrary_number)); 168 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetBlendMode(arbitrary_blend_mode)); 169 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetTransform(arbitrary_transform)); 170 171 // Changing these properties only affects the layer itself. 172 EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->SetContentBounds(arbitrary_size)); 173 EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED( 174 root->SetContentsScale(arbitrary_number, arbitrary_number)); 175 EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->SetDrawsContent(true)); 176 EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED( 177 root->SetBackgroundColor(arbitrary_color)); 178 EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED( 179 root->SetBackgroundFilters(arbitrary_filters)); 180 181 // Special case: check that SetBounds changes behavior depending on 182 // masksToBounds. 183 root->SetMasksToBounds(false); 184 EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->SetBounds(gfx::Size(135, 246))); 185 root->SetMasksToBounds(true); 186 // Should be a different size than previous call, to ensure it marks tree 187 // changed. 188 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetBounds(arbitrary_size)); 189 190 // Changing this property does not cause the layer to be marked as changed 191 // but does cause the layer to need to push properties. 192 EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE( 193 root->SetIsRootForIsolatedGroup(true)); 194 195 // Changing these properties should cause the layer to need to push properties 196 EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE( 197 root->SetScrollParent(scroll_parent.get())); 198 EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE( 199 root->SetScrollChildren(scroll_children)); 200 EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE( 201 root->SetClipParent(clip_parent.get())); 202 EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE( 203 root->SetClipChildren(clip_children)); 204 EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE( 205 root->SetNumDescendantsThatDrawContent(10)); 206 207 // After setting all these properties already, setting to the exact same 208 // values again should not cause any change. 209 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE( 210 root->SetTransformOrigin(arbitrary_point_3f)); 211 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetMasksToBounds(true)); 212 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE( 213 root->SetPosition(arbitrary_point_f)); 214 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE( 215 root->SetShouldFlattenTransform(false)); 216 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->Set3dSortingContextId(1)); 217 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE( 218 root->SetTransform(arbitrary_transform)); 219 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE( 220 root->SetDoubleSided(false)); // constructor initializes it to "true". 221 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE( 222 root->SetScrollDelta(gfx::Vector2d())); 223 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE( 224 root->SetScrollOffset(arbitrary_vector2d)); 225 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE( 226 root->SetContentBounds(arbitrary_size)); 227 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE( 228 root->SetContentsScale(arbitrary_number, arbitrary_number)); 229 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetContentsOpaque(true)); 230 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetOpacity(arbitrary_number)); 231 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE( 232 root->SetBlendMode(arbitrary_blend_mode)); 233 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE( 234 root->SetIsRootForIsolatedGroup(true)); 235 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetDrawsContent(true)); 236 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetBounds(arbitrary_size)); 237 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE( 238 root->SetScrollParent(scroll_parent.get())); 239 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE( 240 root->SetScrollChildren(scroll_children)); 241 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE( 242 root->SetClipParent(clip_parent.get())); 243 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE( 244 root->SetClipChildren(clip_children)); 245 } 246 247 TEST(LayerImplTest, VerifyNeedsUpdateDrawProperties) { 248 FakeImplProxy proxy; 249 TestSharedBitmapManager shared_bitmap_manager; 250 FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager); 251 EXPECT_TRUE(host_impl.InitializeRenderer( 252 FakeOutputSurface::Create3d().PassAs<OutputSurface>())); 253 host_impl.active_tree()->SetRootLayer( 254 LayerImpl::Create(host_impl.active_tree(), 1)); 255 LayerImpl* root = host_impl.active_tree()->root_layer(); 256 scoped_ptr<LayerImpl> layer_ptr = 257 LayerImpl::Create(host_impl.active_tree(), 2); 258 LayerImpl* layer = layer_ptr.get(); 259 root->AddChild(layer_ptr.Pass()); 260 layer->SetScrollClipLayer(root->id()); 261 DCHECK(host_impl.CanDraw()); 262 263 gfx::PointF arbitrary_point_f = gfx::PointF(0.125f, 0.25f); 264 float arbitrary_number = 0.352f; 265 gfx::Size arbitrary_size = gfx::Size(111, 222); 266 gfx::Point arbitrary_point = gfx::Point(333, 444); 267 gfx::Vector2d arbitrary_vector2d = gfx::Vector2d(111, 222); 268 gfx::Size large_size = gfx::Size(1000, 1000); 269 gfx::Rect arbitrary_rect = gfx::Rect(arbitrary_point, arbitrary_size); 270 gfx::RectF arbitrary_rect_f = 271 gfx::RectF(arbitrary_point_f, gfx::SizeF(1.234f, 5.678f)); 272 SkColor arbitrary_color = SkColorSetRGB(10, 20, 30); 273 gfx::Transform arbitrary_transform; 274 arbitrary_transform.Scale3d(0.1f, 0.2f, 0.3f); 275 FilterOperations arbitrary_filters; 276 arbitrary_filters.Append(FilterOperation::CreateOpacityFilter(0.5f)); 277 SkXfermode::Mode arbitrary_blend_mode = SkXfermode::kMultiply_Mode; 278 279 // Related filter functions. 280 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetFilters(arbitrary_filters)); 281 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetFilters(arbitrary_filters)); 282 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetFilters(FilterOperations())); 283 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetFilters(arbitrary_filters)); 284 285 // Related scrolling functions. 286 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetBounds(large_size)); 287 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetBounds(large_size)); 288 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->ScrollBy(arbitrary_vector2d)); 289 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->ScrollBy(gfx::Vector2d())); 290 layer->SetScrollDelta(gfx::Vector2d(0, 0)); 291 host_impl.ForcePrepareToDraw(); 292 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES( 293 layer->SetScrollDelta(arbitrary_vector2d)); 294 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES( 295 layer->SetScrollDelta(arbitrary_vector2d)); 296 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES( 297 layer->SetScrollOffset(arbitrary_vector2d)); 298 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES( 299 layer->SetScrollOffset(arbitrary_vector2d)); 300 301 // Unrelated functions, always set to new values, always set needs update. 302 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES( 303 layer->SetMaskLayer(LayerImpl::Create(host_impl.active_tree(), 4))); 304 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetMasksToBounds(true)); 305 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetContentsOpaque(true)); 306 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES( 307 layer->SetReplicaLayer(LayerImpl::Create(host_impl.active_tree(), 5))); 308 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetPosition(arbitrary_point_f)); 309 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetShouldFlattenTransform(false)); 310 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->Set3dSortingContextId(1)); 311 312 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES( 313 layer->SetDoubleSided(false)); // constructor initializes it to "true". 314 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetContentBounds(arbitrary_size)); 315 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES( 316 layer->SetContentsScale(arbitrary_number, arbitrary_number)); 317 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetDrawsContent(true)); 318 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES( 319 layer->SetBackgroundColor(arbitrary_color)); 320 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES( 321 layer->SetBackgroundFilters(arbitrary_filters)); 322 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetOpacity(arbitrary_number)); 323 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES( 324 layer->SetBlendMode(arbitrary_blend_mode)); 325 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetTransform(arbitrary_transform)); 326 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetBounds(arbitrary_size)); 327 328 // Unrelated functions, set to the same values, no needs update. 329 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES( 330 layer->SetIsRootForIsolatedGroup(true)); 331 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetFilters(arbitrary_filters)); 332 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetMasksToBounds(true)); 333 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetContentsOpaque(true)); 334 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetPosition(arbitrary_point_f)); 335 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->Set3dSortingContextId(1)); 336 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES( 337 layer->SetDoubleSided(false)); // constructor initializes it to "true". 338 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES( 339 layer->SetContentBounds(arbitrary_size)); 340 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES( 341 layer->SetContentsScale(arbitrary_number, arbitrary_number)); 342 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetDrawsContent(true)); 343 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES( 344 layer->SetBackgroundColor(arbitrary_color)); 345 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES( 346 layer->SetBackgroundFilters(arbitrary_filters)); 347 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetOpacity(arbitrary_number)); 348 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES( 349 layer->SetBlendMode(arbitrary_blend_mode)); 350 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES( 351 layer->SetIsRootForIsolatedGroup(true)); 352 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES( 353 layer->SetTransform(arbitrary_transform)); 354 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetBounds(arbitrary_size)); 355 } 356 357 TEST(LayerImplTest, SafeOpaqueBackgroundColor) { 358 FakeImplProxy proxy; 359 TestSharedBitmapManager shared_bitmap_manager; 360 FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager); 361 EXPECT_TRUE(host_impl.InitializeRenderer( 362 FakeOutputSurface::Create3d().PassAs<OutputSurface>())); 363 scoped_ptr<LayerImpl> layer = LayerImpl::Create(host_impl.active_tree(), 1); 364 365 for (int contents_opaque = 0; contents_opaque < 2; ++contents_opaque) { 366 for (int layer_opaque = 0; layer_opaque < 2; ++layer_opaque) { 367 for (int host_opaque = 0; host_opaque < 2; ++host_opaque) { 368 layer->SetContentsOpaque(!!contents_opaque); 369 layer->SetBackgroundColor(layer_opaque ? SK_ColorRED 370 : SK_ColorTRANSPARENT); 371 host_impl.active_tree()->set_background_color( 372 host_opaque ? SK_ColorRED : SK_ColorTRANSPARENT); 373 374 SkColor safe_color = layer->SafeOpaqueBackgroundColor(); 375 if (contents_opaque) { 376 EXPECT_EQ(SkColorGetA(safe_color), 255u) 377 << "Flags: " << contents_opaque << ", " << layer_opaque << ", " 378 << host_opaque << "\n"; 379 } else { 380 EXPECT_NE(SkColorGetA(safe_color), 255u) 381 << "Flags: " << contents_opaque << ", " << layer_opaque << ", " 382 << host_opaque << "\n"; 383 } 384 } 385 } 386 } 387 } 388 389 TEST(LayerImplTest, TransformInvertibility) { 390 FakeImplProxy proxy; 391 TestSharedBitmapManager shared_bitmap_manager; 392 FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager); 393 394 scoped_ptr<LayerImpl> layer = LayerImpl::Create(host_impl.active_tree(), 1); 395 EXPECT_TRUE(layer->transform().IsInvertible()); 396 EXPECT_TRUE(layer->transform_is_invertible()); 397 398 gfx::Transform transform; 399 transform.Scale3d( 400 SkDoubleToMScalar(1.0), SkDoubleToMScalar(1.0), SkDoubleToMScalar(0.0)); 401 layer->SetTransform(transform); 402 EXPECT_FALSE(layer->transform().IsInvertible()); 403 EXPECT_FALSE(layer->transform_is_invertible()); 404 405 transform.MakeIdentity(); 406 transform.ApplyPerspectiveDepth(SkDoubleToMScalar(100.0)); 407 transform.RotateAboutZAxis(75.0); 408 transform.RotateAboutXAxis(32.2); 409 transform.RotateAboutZAxis(-75.0); 410 transform.Translate3d(SkDoubleToMScalar(50.5), 411 SkDoubleToMScalar(42.42), 412 SkDoubleToMScalar(-100.25)); 413 414 layer->SetTransform(transform); 415 EXPECT_TRUE(layer->transform().IsInvertible()); 416 EXPECT_TRUE(layer->transform_is_invertible()); 417 } 418 419 class LayerImplScrollTest : public testing::Test { 420 public: 421 LayerImplScrollTest() 422 : host_impl_(&proxy_, &shared_bitmap_manager_), root_id_(7) { 423 host_impl_.active_tree()->SetRootLayer( 424 LayerImpl::Create(host_impl_.active_tree(), root_id_)); 425 host_impl_.active_tree()->root_layer()->AddChild( 426 LayerImpl::Create(host_impl_.active_tree(), root_id_ + 1)); 427 layer()->SetScrollClipLayer(root_id_); 428 // Set the max scroll offset by noting that the root layer has bounds (1,1), 429 // thus whatever bounds are set for the layer will be the max scroll 430 // offset plus 1 in each direction. 431 host_impl_.active_tree()->root_layer()->SetBounds(gfx::Size(1, 1)); 432 gfx::Vector2d max_scroll_offset(51, 81); 433 layer()->SetBounds(gfx::Size(max_scroll_offset.x(), max_scroll_offset.y())); 434 } 435 436 LayerImpl* layer() { 437 return host_impl_.active_tree()->root_layer()->children()[0]; 438 } 439 440 LayerTreeHostImpl& host_impl() { return host_impl_; } 441 442 LayerTreeImpl* tree() { return host_impl_.active_tree(); } 443 444 private: 445 FakeImplProxy proxy_; 446 TestSharedBitmapManager shared_bitmap_manager_; 447 FakeLayerTreeHostImpl host_impl_; 448 int root_id_; 449 }; 450 451 TEST_F(LayerImplScrollTest, ScrollByWithZeroOffset) { 452 // Test that LayerImpl::ScrollBy only affects ScrollDelta and total scroll 453 // offset is bounded by the range [0, max scroll offset]. 454 455 EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->TotalScrollOffset()); 456 EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->scroll_offset()); 457 EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->ScrollDelta()); 458 459 layer()->ScrollBy(gfx::Vector2dF(-100, 100)); 460 EXPECT_VECTOR_EQ(gfx::Vector2dF(0, 80), layer()->TotalScrollOffset()); 461 462 EXPECT_VECTOR_EQ(layer()->ScrollDelta(), layer()->TotalScrollOffset()); 463 EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->scroll_offset()); 464 465 layer()->ScrollBy(gfx::Vector2dF(100, -100)); 466 EXPECT_VECTOR_EQ(gfx::Vector2dF(50, 0), layer()->TotalScrollOffset()); 467 468 EXPECT_VECTOR_EQ(layer()->ScrollDelta(), layer()->TotalScrollOffset()); 469 EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->scroll_offset()); 470 } 471 472 TEST_F(LayerImplScrollTest, ScrollByWithNonZeroOffset) { 473 gfx::Vector2d scroll_offset(10, 5); 474 layer()->SetScrollOffset(scroll_offset); 475 476 EXPECT_VECTOR_EQ(scroll_offset, layer()->TotalScrollOffset()); 477 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset()); 478 EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->ScrollDelta()); 479 480 layer()->ScrollBy(gfx::Vector2dF(-100, 100)); 481 EXPECT_VECTOR_EQ(gfx::Vector2dF(0, 80), layer()->TotalScrollOffset()); 482 483 EXPECT_VECTOR_EQ(layer()->ScrollDelta() + scroll_offset, 484 layer()->TotalScrollOffset()); 485 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset()); 486 487 layer()->ScrollBy(gfx::Vector2dF(100, -100)); 488 EXPECT_VECTOR_EQ(gfx::Vector2dF(50, 0), layer()->TotalScrollOffset()); 489 490 EXPECT_VECTOR_EQ(layer()->ScrollDelta() + scroll_offset, 491 layer()->TotalScrollOffset()); 492 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset()); 493 } 494 495 class ScrollDelegateIgnore : public LayerImpl::ScrollOffsetDelegate { 496 public: 497 virtual void SetTotalScrollOffset(const gfx::Vector2dF& new_value) OVERRIDE {} 498 virtual gfx::Vector2dF GetTotalScrollOffset() OVERRIDE { 499 return fixed_offset_; 500 } 501 virtual bool IsExternalFlingActive() const OVERRIDE { return false; } 502 503 void set_fixed_offset(const gfx::Vector2dF& fixed_offset) { 504 fixed_offset_ = fixed_offset; 505 } 506 507 private: 508 gfx::Vector2dF fixed_offset_; 509 }; 510 511 TEST_F(LayerImplScrollTest, ScrollByWithIgnoringDelegate) { 512 gfx::Vector2d scroll_offset(10, 5); 513 layer()->SetScrollOffset(scroll_offset); 514 515 EXPECT_VECTOR_EQ(scroll_offset, layer()->TotalScrollOffset()); 516 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset()); 517 EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->ScrollDelta()); 518 519 ScrollDelegateIgnore delegate; 520 gfx::Vector2dF fixed_offset(32, 12); 521 delegate.set_fixed_offset(fixed_offset); 522 layer()->SetScrollOffsetDelegate(&delegate); 523 524 EXPECT_VECTOR_EQ(fixed_offset, layer()->TotalScrollOffset()); 525 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset()); 526 527 layer()->ScrollBy(gfx::Vector2dF(-100, 100)); 528 529 EXPECT_VECTOR_EQ(fixed_offset, layer()->TotalScrollOffset()); 530 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset()); 531 532 layer()->SetScrollOffsetDelegate(NULL); 533 534 EXPECT_VECTOR_EQ(fixed_offset, layer()->TotalScrollOffset()); 535 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset()); 536 537 gfx::Vector2dF scroll_delta(1, 1); 538 layer()->ScrollBy(scroll_delta); 539 540 EXPECT_VECTOR_EQ(fixed_offset + scroll_delta, layer()->TotalScrollOffset()); 541 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset()); 542 } 543 544 class ScrollDelegateAccept : public LayerImpl::ScrollOffsetDelegate { 545 public: 546 virtual void SetTotalScrollOffset(const gfx::Vector2dF& new_value) OVERRIDE { 547 current_offset_ = new_value; 548 } 549 virtual gfx::Vector2dF GetTotalScrollOffset() OVERRIDE { 550 return current_offset_; 551 } 552 virtual bool IsExternalFlingActive() const OVERRIDE { return false; } 553 554 private: 555 gfx::Vector2dF current_offset_; 556 }; 557 558 TEST_F(LayerImplScrollTest, ScrollByWithAcceptingDelegate) { 559 gfx::Vector2d scroll_offset(10, 5); 560 layer()->SetScrollOffset(scroll_offset); 561 562 EXPECT_VECTOR_EQ(scroll_offset, layer()->TotalScrollOffset()); 563 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset()); 564 EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->ScrollDelta()); 565 566 ScrollDelegateAccept delegate; 567 layer()->SetScrollOffsetDelegate(&delegate); 568 569 EXPECT_VECTOR_EQ(scroll_offset, layer()->TotalScrollOffset()); 570 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset()); 571 EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->ScrollDelta()); 572 573 layer()->ScrollBy(gfx::Vector2dF(-100, 100)); 574 575 EXPECT_VECTOR_EQ(gfx::Vector2dF(0, 80), layer()->TotalScrollOffset()); 576 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset()); 577 578 layer()->SetScrollOffsetDelegate(NULL); 579 580 EXPECT_VECTOR_EQ(gfx::Vector2dF(0, 80), layer()->TotalScrollOffset()); 581 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset()); 582 583 gfx::Vector2dF scroll_delta(1, 1); 584 layer()->ScrollBy(scroll_delta); 585 586 EXPECT_VECTOR_EQ(gfx::Vector2dF(1, 80), layer()->TotalScrollOffset()); 587 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset()); 588 } 589 590 TEST_F(LayerImplScrollTest, ApplySentScrollsNoDelegate) { 591 gfx::Vector2d scroll_offset(10, 5); 592 gfx::Vector2dF scroll_delta(20.5f, 8.5f); 593 gfx::Vector2d sent_scroll_delta(12, -3); 594 595 layer()->SetScrollOffset(scroll_offset); 596 layer()->ScrollBy(scroll_delta); 597 layer()->SetSentScrollDelta(sent_scroll_delta); 598 599 EXPECT_VECTOR_EQ(scroll_offset + scroll_delta, layer()->TotalScrollOffset()); 600 EXPECT_VECTOR_EQ(scroll_delta, layer()->ScrollDelta()); 601 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset()); 602 EXPECT_VECTOR_EQ(sent_scroll_delta, layer()->sent_scroll_delta()); 603 604 layer()->ApplySentScrollDeltasFromAbortedCommit(); 605 606 EXPECT_VECTOR_EQ(scroll_offset + scroll_delta, layer()->TotalScrollOffset()); 607 EXPECT_VECTOR_EQ(scroll_delta - sent_scroll_delta, layer()->ScrollDelta()); 608 EXPECT_VECTOR_EQ(scroll_offset + sent_scroll_delta, layer()->scroll_offset()); 609 EXPECT_VECTOR_EQ(gfx::Vector2d(), layer()->sent_scroll_delta()); 610 } 611 612 TEST_F(LayerImplScrollTest, ApplySentScrollsWithIgnoringDelegate) { 613 gfx::Vector2d scroll_offset(10, 5); 614 gfx::Vector2d sent_scroll_delta(12, -3); 615 gfx::Vector2dF fixed_offset(32, 12); 616 617 layer()->SetScrollOffset(scroll_offset); 618 ScrollDelegateIgnore delegate; 619 delegate.set_fixed_offset(fixed_offset); 620 layer()->SetScrollOffsetDelegate(&delegate); 621 layer()->SetSentScrollDelta(sent_scroll_delta); 622 623 EXPECT_VECTOR_EQ(fixed_offset, layer()->TotalScrollOffset()); 624 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset()); 625 EXPECT_VECTOR_EQ(sent_scroll_delta, layer()->sent_scroll_delta()); 626 627 layer()->ApplySentScrollDeltasFromAbortedCommit(); 628 629 EXPECT_VECTOR_EQ(fixed_offset, layer()->TotalScrollOffset()); 630 EXPECT_VECTOR_EQ(scroll_offset + sent_scroll_delta, layer()->scroll_offset()); 631 EXPECT_VECTOR_EQ(gfx::Vector2d(), layer()->sent_scroll_delta()); 632 } 633 634 TEST_F(LayerImplScrollTest, ApplySentScrollsWithAcceptingDelegate) { 635 gfx::Vector2d scroll_offset(10, 5); 636 gfx::Vector2d sent_scroll_delta(12, -3); 637 gfx::Vector2dF scroll_delta(20.5f, 8.5f); 638 639 layer()->SetScrollOffset(scroll_offset); 640 ScrollDelegateAccept delegate; 641 layer()->SetScrollOffsetDelegate(&delegate); 642 layer()->ScrollBy(scroll_delta); 643 layer()->SetSentScrollDelta(sent_scroll_delta); 644 645 EXPECT_VECTOR_EQ(scroll_offset + scroll_delta, layer()->TotalScrollOffset()); 646 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset()); 647 EXPECT_VECTOR_EQ(sent_scroll_delta, layer()->sent_scroll_delta()); 648 649 layer()->ApplySentScrollDeltasFromAbortedCommit(); 650 651 EXPECT_VECTOR_EQ(scroll_offset + scroll_delta, layer()->TotalScrollOffset()); 652 EXPECT_VECTOR_EQ(scroll_offset + sent_scroll_delta, layer()->scroll_offset()); 653 EXPECT_VECTOR_EQ(gfx::Vector2d(), layer()->sent_scroll_delta()); 654 } 655 656 // The user-scrollability breaks for zoomed-in pages. So disable this. 657 // http://crbug.com/322223 658 TEST_F(LayerImplScrollTest, DISABLED_ScrollUserUnscrollableLayer) { 659 gfx::Vector2d scroll_offset(10, 5); 660 gfx::Vector2dF scroll_delta(20.5f, 8.5f); 661 662 layer()->set_user_scrollable_vertical(false); 663 layer()->SetScrollOffset(scroll_offset); 664 gfx::Vector2dF unscrolled = layer()->ScrollBy(scroll_delta); 665 666 EXPECT_VECTOR_EQ(gfx::Vector2dF(0, 8.5f), unscrolled); 667 EXPECT_VECTOR_EQ(gfx::Vector2dF(30.5f, 5), layer()->TotalScrollOffset()); 668 } 669 670 TEST_F(LayerImplScrollTest, PushPropertiesToMirrorsTotalScrollOffset) { 671 gfx::Vector2d scroll_offset(10, 5); 672 gfx::Vector2dF scroll_delta(12, 18); 673 674 host_impl().CreatePendingTree(); 675 676 layer()->SetScrollOffset(scroll_offset); 677 gfx::Vector2dF unscrolled = layer()->ScrollBy(scroll_delta); 678 679 EXPECT_VECTOR_EQ(gfx::Vector2dF(0, 0), unscrolled); 680 EXPECT_VECTOR_EQ(gfx::Vector2dF(22, 23), layer()->TotalScrollOffset()); 681 682 layer()->SetSentScrollDelta(gfx::ToFlooredVector2d(scroll_delta)); 683 684 scoped_ptr<LayerImpl> pending_layer = 685 LayerImpl::Create(host_impl().sync_tree(), layer()->id()); 686 pending_layer->SetScrollOffset( 687 gfx::ToFlooredVector2d(layer()->TotalScrollOffset())); 688 689 pending_layer->PushPropertiesTo(layer()); 690 691 EXPECT_VECTOR_EQ(gfx::Vector2dF(22, 23), layer()->TotalScrollOffset()); 692 EXPECT_VECTOR_EQ(layer()->TotalScrollOffset(), 693 pending_layer->TotalScrollOffset()); 694 } 695 696 TEST_F(LayerImplScrollTest, SetNewScrollbarParameters) { 697 gfx::Vector2d scroll_offset(10, 5); 698 layer()->SetScrollOffset(scroll_offset); 699 700 scoped_ptr<PaintedScrollbarLayerImpl> vertical_scrollbar( 701 PaintedScrollbarLayerImpl::Create(tree(), 100, VERTICAL)); 702 vertical_scrollbar->SetScrollLayerAndClipLayerByIds( 703 layer()->id(), tree()->root_layer()->id()); 704 705 int expected_vertical_maximum = 706 layer()->bounds().height() - tree()->root_layer()->bounds().height(); 707 EXPECT_EQ(expected_vertical_maximum, vertical_scrollbar->maximum()); 708 EXPECT_EQ(scroll_offset.y(), vertical_scrollbar->current_pos()); 709 710 scoped_ptr<PaintedScrollbarLayerImpl> horizontal_scrollbar( 711 PaintedScrollbarLayerImpl::Create(tree(), 101, HORIZONTAL)); 712 horizontal_scrollbar->SetScrollLayerAndClipLayerByIds( 713 layer()->id(), tree()->root_layer()->id()); 714 715 int expected_horizontal_maximum = 716 layer()->bounds().width() - tree()->root_layer()->bounds().width(); 717 EXPECT_EQ(expected_horizontal_maximum, horizontal_scrollbar->maximum()); 718 EXPECT_EQ(scroll_offset.x(), horizontal_scrollbar->current_pos()); 719 } 720 721 } // namespace 722 } // namespace cc 723
