Index: third_party/WebKit/Source/platform/graphics/CompositorMutableStateTest.cpp |
diff --git a/third_party/WebKit/Source/platform/graphics/CompositorMutableStateTest.cpp b/third_party/WebKit/Source/platform/graphics/CompositorMutableStateTest.cpp |
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index 0000000000000000000000000000000000000000..1b4d2a92052a70b99871476936ab4d98fe3a8cc2 |
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+++ b/third_party/WebKit/Source/platform/graphics/CompositorMutableStateTest.cpp |
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+// 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 |