| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "platform/graphics/CompositorMutableState.h" |
| |
| #include "base/message_loop/message_loop.h" |
| #include "cc/test/fake_impl_task_runner_provider.h" |
| #include "cc/test/fake_layer_tree_host_impl.h" |
| #include "cc/test/fake_output_surface.h" |
| #include "cc/test/test_shared_bitmap_manager.h" |
| #include "cc/test/test_task_graph_runner.h" |
| #include "cc/trees/layer_tree_host_impl.h" |
| #include "cc/trees/layer_tree_impl.h" |
| #include "platform/graphics/CompositorMutableProperties.h" |
| #include "platform/graphics/CompositorMutableStateProvider.h" |
| #include "platform/graphics/CompositorMutation.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "wtf/OwnPtr.h" |
| |
| namespace blink { |
| |
| using cc::FakeImplTaskRunnerProvider; |
| using cc::FakeLayerTreeHostImpl; |
| using cc::FakeOutputSurface; |
| using cc::LayerImpl; |
| using cc::LayerTreeSettings; |
| using cc::OutputSurface; |
| using cc::TestTaskGraphRunner; |
| using cc::TestSharedBitmapManager; |
| |
| class CompositorMutableStateTest : public testing::Test { |
| public: |
| CompositorMutableStateTest() |
| : m_outputSurface(FakeOutputSurface::Create3d()) |
| { |
| LayerTreeSettings settings; |
| settings.layer_transforms_should_scale_layer_contents = true; |
| settings.verify_property_trees = true; |
| m_hostImpl.reset(new FakeLayerTreeHostImpl(settings, &m_taskRunnerProvider, &m_sharedBitmapManager, &m_taskGraphRunner)); |
| m_hostImpl->SetVisible(true); |
| EXPECT_TRUE(m_hostImpl->InitializeRenderer(m_outputSurface.get())); |
| } |
| |
| void SetLayerPropertiesForTesting(LayerImpl* layer) |
| { |
| layer->SetTransform(gfx::Transform()); |
| layer->SetTransformOrigin(gfx::Point3F()); |
| layer->SetPosition(gfx::PointF()); |
| layer->SetBounds(gfx::Size(100, 100)); |
| layer->SetShouldFlattenTransform(true); |
| layer->Set3dSortingContextId(0); |
| layer->SetForceRenderSurface(true); |
| layer->SetDrawsContent(true); |
| } |
| |
| FakeLayerTreeHostImpl& hostImpl() { return *m_hostImpl; } |
| |
| LayerImpl* rootLayer() { return m_hostImpl->active_tree()->root_layer(); } |
| |
| private: |
| // The cc testing machinery has fairly deep dependency on having a main |
| // message loop (one example is the task runner provider). We construct one |
| // here so that it's installed in TLA and can be found by other cc classes. |
| base::MessageLoop m_messageLoop; |
| TestSharedBitmapManager m_sharedBitmapManager; |
| TestTaskGraphRunner m_taskGraphRunner; |
| FakeImplTaskRunnerProvider m_taskRunnerProvider; |
| scoped_ptr<OutputSurface> m_outputSurface; |
| scoped_ptr<FakeLayerTreeHostImpl> m_hostImpl; |
| }; |
| |
| TEST_F(CompositorMutableStateTest, NoMutableState) |
| { |
| // In this test, there are no layers with either an element id or mutable |
| // properties. We should not be able to get any mutable state. |
| scoped_ptr<LayerImpl> root = LayerImpl::Create(hostImpl().active_tree(), 42); |
| SetLayerPropertiesForTesting(root.get()); |
| |
| hostImpl().SetViewportSize(root->bounds()); |
| hostImpl().active_tree()->SetRootLayer(std::move(root)); |
| hostImpl().UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| |
| CompositorMutations mutations; |
| CompositorMutableStateProvider provider(hostImpl().active_tree(), &mutations); |
| OwnPtr<CompositorMutableState> state(provider.getMutableStateFor(42)); |
| EXPECT_FALSE(state); |
| } |
| |
| TEST_F(CompositorMutableStateTest, MutableStateNoMutableProperties) |
| { |
| // In this test, there is a layer with an element id, but no mutable |
| // properties. This should behave just as if we'd had no element id. |
| scoped_ptr<LayerImpl> root = LayerImpl::Create(hostImpl().active_tree(), 42); |
| SetLayerPropertiesForTesting(root.get()); |
| root->SetElementId(42); |
| |
| hostImpl().SetViewportSize(root->bounds()); |
| hostImpl().active_tree()->SetRootLayer(std::move(root)); |
| hostImpl().UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| |
| CompositorMutations mutations; |
| CompositorMutableStateProvider provider(hostImpl().active_tree(), &mutations); |
| OwnPtr<CompositorMutableState> state(provider.getMutableStateFor(42)); |
| EXPECT_FALSE(state); |
| } |
| |
| TEST_F(CompositorMutableStateTest, MutableStateMutableProperties) |
| { |
| // In this test, there is a layer with an element id and mutable properties. |
| // In this case, we should get a valid mutable state for this element id that |
| // has a real effect on the corresponding layer. |
| scoped_ptr<LayerImpl> root = LayerImpl::Create(hostImpl().active_tree(), 42); |
| SetLayerPropertiesForTesting(root.get()); |
| root->SetElementId(42); |
| root->SetMutableProperties(CompositorMutableProperty::kOpacity | CompositorMutableProperty::kTransform | CompositorMutableProperty::kScrollLeft | CompositorMutableProperty::kScrollTop); |
| |
| hostImpl().SetViewportSize(root->bounds()); |
| hostImpl().active_tree()->SetRootLayer(std::move(root)); |
| hostImpl().UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| |
| CompositorMutations mutations; |
| CompositorMutableStateProvider provider(hostImpl().active_tree(), &mutations); |
| |
| OwnPtr<CompositorMutableState> state(provider.getMutableStateFor(42)); |
| EXPECT_TRUE(state.get()); |
| |
| EXPECT_EQ(1.0, rootLayer()->opacity()); |
| EXPECT_EQ(gfx::Transform().ToString(), rootLayer()->transform().ToString()); |
| EXPECT_EQ(0.0, rootLayer()->CurrentScrollOffset().x()); |
| EXPECT_EQ(0.0, rootLayer()->CurrentScrollOffset().y()); |
| |
| gfx::Transform zero(0, 0, 0, 0, 0, 0); |
| state->setOpacity(0.5); |
| state->setTransform(zero.matrix()); |
| state->setScrollLeft(1.0); |
| state->setScrollTop(1.0); |
| |
| EXPECT_EQ(0.5, rootLayer()->opacity()); |
| EXPECT_EQ(zero.ToString(), rootLayer()->transform().ToString()); |
| EXPECT_EQ(1.0, rootLayer()->CurrentScrollOffset().x()); |
| EXPECT_EQ(1.0, rootLayer()->CurrentScrollOffset().y()); |
| |
| // The corresponding mutation should reflect the changed values. |
| EXPECT_EQ(1ul, mutations.map.size()); |
| |
| const CompositorMutation& mutation = *mutations.map.find(42)->value; |
| EXPECT_TRUE(mutation.isOpacityMutated()); |
| EXPECT_TRUE(mutation.isTransformMutated()); |
| EXPECT_TRUE(mutation.isScrollLeftMutated()); |
| EXPECT_TRUE(mutation.isScrollTopMutated()); |
| |
| EXPECT_EQ(0.5, mutation.opacity()); |
| EXPECT_EQ(zero.ToString(), gfx::Transform(mutation.transform()).ToString()); |
| EXPECT_EQ(1.0, mutation.scrollLeft()); |
| EXPECT_EQ(1.0, mutation.scrollTop()); |
| } |
| |
| } // namespace blink |