cc: Move occlusion tests to layer_tree_host_unittest_occlusion.cc

cc/layer_tree_host_unittest.cc

 // Copyright 2011 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 "cc/layer_tree_host.h"
 
 #include "base/synchronization/lock.h"
 #include "cc/content_layer.h"
 #include "cc/content_layer_client.h"
 #include "cc/layer_impl.h"
@@ skipping 1330 matching lines @@
     scoped_refptr<ContentLayerWithUpdateTracking> m_parent;
     scoped_refptr<ContentLayerWithUpdateTracking> m_child;
     int m_numCommits;
 };
 
 TEST_F(LayerTreeHostTestAtomicCommitWithPartialUpdate, runMultiThread)
 {
     runTest(true);
 }
 
-class TestLayer : public Layer {
-public:
-    static scoped_refptr<TestLayer> create() { return make_scoped_refptr(new TestLayer()); }
-
-    virtual void update(ResourceUpdateQueue&, const OcclusionTracker* occlusion, RenderingStats&) OVERRIDE
-    {
-        // Gain access to internals of the OcclusionTracker.
-        const TestOcclusionTracker* testOcclusion = static_cast<const TestOcclusionTracker*>(occlusion);
-        if (!testOcclusion) {
-            m_occlusion.Clear();
-            return;
-        }
-        m_occlusion = UnionRegions(testOcclusion->occlusionFromInsideTarget(), testOcclusion->occlusionFromOutsideTarget());
-    }
-
-    virtual bool drawsContent() const OVERRIDE { return true; }
-
-    const Region& occlusion() const { return m_occlusion; }
-    void clearOcclusion() { m_occlusion.Clear(); }
-
-private:
-    TestLayer() : Layer() { }
-    virtual ~TestLayer() { }
-
-    Region m_occlusion;
-};
-
-static void setTestLayerPropertiesForTesting(TestLayer* layer, Layer* parent, const gfx::Transform& transform, const gfx::PointF& anchor, const gfx::PointF& position, const gfx::Size& bounds, bool opaque)
-{
-    setLayerPropertiesForTesting(layer, parent, transform, anchor, position, bounds, opaque);
-    layer->clearOcclusion();
-}
-
-class LayerTreeHostTestLayerOcclusion : public LayerTreeHostTest {
-public:
-    LayerTreeHostTestLayerOcclusion() { }
-
-    virtual void beginTest() OVERRIDE
-    {
-        scoped_refptr<TestLayer> rootLayer = TestLayer::create();
-        scoped_refptr<TestLayer> child = TestLayer::create();
-        scoped_refptr<TestLayer> child2 = TestLayer::create();
-        scoped_refptr<TestLayer> grandChild = TestLayer::create();
-        scoped_refptr<TestLayer> mask = TestLayer::create();
-
-        gfx::Transform identityMatrix;
-
-        child->setMasksToBounds(true);
-        child->setForceRenderSurface(true);
-
-        // See LayerTreeHostCommonTest.layerAddsSelfToOccludedRegionWithRotatedSurface for a nice visual of these layers and how they end up
-        // positioned on the screen.
-
-        // The child layer is a surface and the grandChild is opaque, but clipped to the child and rootLayer
-        setTestLayerPropertiesForTesting(rootLayer.get(), 0, identityMatrix, gfx::PointF(0, 0), gfx::PointF(0, 0), gfx::Size(200, 200), true);
-        setTestLayerPropertiesForTesting(child.get(), rootLayer.get(), identityMatrix, gfx::PointF(0, 0), gfx::PointF(10, 10), gfx::Size(500, 500), false);
-        setTestLayerPropertiesForTesting(grandChild.get(), child.get(), identityMatrix, gfx::PointF(0, 0), gfx::PointF(-10, -10), gfx::Size(20, 500), true);
-
-        m_layerTreeHost->setRootLayer(rootLayer);
-        m_layerTreeHost->setViewportSize(rootLayer->bounds(), rootLayer->bounds());
-        ASSERT_TRUE(m_layerTreeHost->initializeRendererIfNeeded());
-        ResourceUpdateQueue queue;
-        m_layerTreeHost->updateLayers(queue, std::numeric_limits<size_t>::max());
-        m_layerTreeHost->commitComplete();
-
-        EXPECT_EQ(gfx::Rect().ToString(), grandChild->occlusion().ToString());
-        EXPECT_EQ(gfx::Rect(0, 0, 10, 190).ToString(), child->occlusion().ToString());
-        EXPECT_EQ(gfx::Rect(10, 10, 10, 190).ToString(), rootLayer->occlusion().ToString());
-
-        // If the child layer is opaque, then it adds to the occlusion seen by the rootLayer.
-        setLayerPropertiesForTesting(rootLayer.get(), 0, identityMatrix, gfx::PointF(0, 0), gfx::PointF(0, 0), gfx::Size(200, 200), true);
-        setLayerPropertiesForTesting(child.get(), rootLayer.get(), identityMatrix, gfx::PointF(0, 0), gfx::PointF(10, 10), gfx::Size(500, 500), true);
-        setLayerPropertiesForTesting(grandChild.get(), child.get(), identityMatrix, gfx::PointF(0, 0), gfx::PointF(-10, -10), gfx::Size(20, 500), true);
-
-        m_layerTreeHost->setRootLayer(rootLayer);
-        m_layerTreeHost->setViewportSize(rootLayer->bounds(), rootLayer->bounds());
-        m_layerTreeHost->updateLayers(queue, std::numeric_limits<size_t>::max());
-        m_layerTreeHost->commitComplete();
-
-        EXPECT_EQ(gfx::Rect().ToString(), grandChild->occlusion().ToString());
-        EXPECT_EQ(gfx::Rect(0, 0, 10, 190).ToString(), child->occlusion().ToString());
-        EXPECT_EQ(gfx::Rect(10, 10, 190, 190).ToString(), rootLayer->occlusion().ToString());
-
-        // Add a second child to the root layer and the regions should merge
-        setTestLayerPropertiesForTesting(rootLayer.get(), 0, identityMatrix, gfx::PointF(0, 0), gfx::PointF(0, 0), gfx::Size(200, 200), true);
-        setTestLayerPropertiesForTesting(child.get(), rootLayer.get(), identityMatrix, gfx::PointF(0, 0), gfx::PointF(10, 10), gfx::Size(500, 500), false);
-        setTestLayerPropertiesForTesting(grandChild.get(), child.get(), identityMatrix, gfx::PointF(0, 0), gfx::PointF(-10, -10), gfx::Size(20, 500), true);
-        setTestLayerPropertiesForTesting(child2.get(), rootLayer.get(), identityMatrix, gfx::PointF(0, 0), gfx::PointF(20, 10), gfx::Size(10, 500), true);
-
-        m_layerTreeHost->setRootLayer(rootLayer);
-        m_layerTreeHost->setViewportSize(rootLayer->bounds(), rootLayer->bounds());
-        m_layerTreeHost->updateLayers(queue, std::numeric_limits<size_t>::max());
-        m_layerTreeHost->commitComplete();
-
-        EXPECT_EQ(gfx::Rect().ToString(), child2->occlusion().ToString());
-        EXPECT_EQ(gfx::Rect(10, 0, 10, 190).ToString(), grandChild->occlusion().ToString());
-        EXPECT_EQ(gfx::Rect(0, 0, 20, 190).ToString(), child->occlusion().ToString());
-        EXPECT_EQ(gfx::Rect(10, 10, 20, 190).ToString(), rootLayer->occlusion().ToString());
-
-        // If the child layer has a mask on it, then it shouldn't contribute to occlusion on stuff below it
-        setLayerPropertiesForTesting(rootLayer.get(), 0, identityMatrix, gfx::PointF(0, 0), gfx::PointF(0, 0), gfx::Size(200, 200), true);
-        setLayerPropertiesForTesting(child2.get(), rootLayer.get(), identityMatrix, gfx::PointF(0, 0), gfx::PointF(10, 10), gfx::Size(500, 500), true);
-        setLayerPropertiesForTesting(child.get(), rootLayer.get(), identityMatrix, gfx::PointF(0, 0), gfx::PointF(20, 20), gfx::Size(500, 500), true);
-        setLayerPropertiesForTesting(grandChild.get(), child.get(), identityMatrix, gfx::PointF(0, 0), gfx::PointF(-10, -10), gfx::Size(500, 500), true);
-
-        child->setMaskLayer(mask.get());
-
-        m_layerTreeHost->setRootLayer(rootLayer);
-        m_layerTreeHost->setViewportSize(rootLayer->bounds(), rootLayer->bounds());
-        m_layerTreeHost->updateLayers(queue, std::numeric_limits<size_t>::max());
-        m_layerTreeHost->commitComplete();
-
-        EXPECT_EQ(gfx::Rect().ToString(), grandChild->occlusion().ToString());
-        EXPECT_EQ(gfx::Rect(0, 0, 180, 180).ToString(), child->occlusion().ToString());
-        EXPECT_EQ(gfx::Rect().ToString(), child2->occlusion().ToString());
-        EXPECT_EQ(gfx::Rect(10, 10, 190, 190).ToString(), rootLayer->occlusion().ToString());
-
-        // If the child layer with a mask is below child2, then child2 should contribute to occlusion on everything, and child shouldn't contribute to the rootLayer
-        setLayerPropertiesForTesting(rootLayer.get(), 0, identityMatrix, gfx::PointF(0, 0), gfx::PointF(0, 0), gfx::Size(200, 200), true);
-        setLayerPropertiesForTesting(child.get(), rootLayer.get(), identityMatrix, gfx::PointF(0, 0), gfx::PointF(10, 10), gfx::Size(500, 500), true);
-        setLayerPropertiesForTesting(grandChild.get(), child.get(), identityMatrix, gfx::PointF(0, 0), gfx::PointF(-10, -10), gfx::Size(20, 500), true);
-        setLayerPropertiesForTesting(child2.get(), rootLayer.get(), identityMatrix, gfx::PointF(0, 0), gfx::PointF(20, 10), gfx::Size(10, 500), true);
-
-        child->setMaskLayer(mask.get());
-
-        m_layerTreeHost->setRootLayer(rootLayer);
-        m_layerTreeHost->setViewportSize(rootLayer->bounds(), rootLayer->bounds());
-        m_layerTreeHost->updateLayers(queue, std::numeric_limits<size_t>::max());
-        m_layerTreeHost->commitComplete();
-
-        EXPECT_EQ(gfx::Rect().ToString(), child2->occlusion().ToString());
-        EXPECT_EQ(gfx::Rect(10, 0, 10, 190).ToString(), grandChild->occlusion().ToString());
-        EXPECT_EQ(gfx::Rect(0, 0, 20, 190).ToString(), child->occlusion().ToString());
-        EXPECT_EQ(gfx::Rect(20, 10, 10, 190), rootLayer->occlusion());
-
-        // If the child layer has a non-opaque drawOpacity, then it shouldn't contribute to occlusion on stuff below it
-        setTestLayerPropertiesForTesting(rootLayer.get(), 0, identityMatrix, gfx::PointF(0, 0), gfx::PointF(0, 0), gfx::Size(200, 200), true);
-        setTestLayerPropertiesForTesting(child2.get(), rootLayer.get(), identityMatrix, gfx::PointF(0, 0), gfx::PointF(20, 10), gfx::Size(10, 500), true);
-        setTestLayerPropertiesForTesting(child.get(), rootLayer.get(), identityMatrix, gfx::PointF(0, 0), gfx::PointF(10, 10), gfx::Size(500, 500), true);
-        setTestLayerPropertiesForTesting(grandChild.get(), child.get(), identityMatrix, gfx::PointF(0, 0), gfx::PointF(-10, -10), gfx::Size(20, 500), true);
-
-        child->setMaskLayer(0);
-        child->setOpacity(0.5);
-
-        m_layerTreeHost->setRootLayer(rootLayer);
-        m_layerTreeHost->setViewportSize(rootLayer->bounds(), rootLayer->bounds());
-        m_layerTreeHost->updateLayers(queue, std::numeric_limits<size_t>::max());
-        m_layerTreeHost->commitComplete();
-
-        EXPECT_EQ(gfx::Rect().ToString(), grandChild->occlusion().ToString());
-        EXPECT_EQ(gfx::Rect(0, 0, 10, 190).ToString(), child->occlusion().ToString());
-        EXPECT_EQ(gfx::Rect().ToString(), child2->occlusion().ToString());
-        EXPECT_EQ(gfx::Rect(20, 10, 10, 190).ToString(), rootLayer->occlusion().ToString());
-
-        // If the child layer with non-opaque drawOpacity is below child2, then child2 should contribute to occlusion on everything, and child shouldn't contribute to the rootLayer
-        setTestLayerPropertiesForTesting(rootLayer.get(), 0, identityMatrix, gfx::PointF(0, 0), gfx::PointF(0, 0), gfx::Size(200, 200), true);
-        setTestLayerPropertiesForTesting(child.get(), rootLayer.get(), identityMatrix, gfx::PointF(0, 0), gfx::PointF(10, 10), gfx::Size(500, 500), true);
-        setTestLayerPropertiesForTesting(grandChild.get(), child.get(), identityMatrix, gfx::PointF(0, 0), gfx::PointF(-10, -10), gfx::Size(20, 500), true);
-        setTestLayerPropertiesForTesting(child2.get(), rootLayer.get(), identityMatrix, gfx::PointF(0, 0), gfx::PointF(20, 10), gfx::Size(10, 500), true);
-
-        child->setMaskLayer(0);
-        child->setOpacity(0.5);
-
-        m_layerTreeHost->setRootLayer(rootLayer);
-        m_layerTreeHost->setViewportSize(rootLayer->bounds(), rootLayer->bounds());
-        m_layerTreeHost->updateLayers(queue, std::numeric_limits<size_t>::max());
-        m_layerTreeHost->commitComplete();
-
-        EXPECT_EQ(gfx::Rect().ToString(), child2->occlusion().ToString());
-        EXPECT_EQ(gfx::Rect(10, 0, 10, 190).ToString(), grandChild->occlusion().ToString());
-        EXPECT_EQ(gfx::Rect(0, 0, 20, 190).ToString(), child->occlusion().ToString());
-        EXPECT_EQ(gfx::Rect(20, 10, 10, 190).ToString(), rootLayer->occlusion().ToString());
-
-        // Kill the layerTreeHost immediately.
-        m_layerTreeHost->setRootLayer(0);
-        m_layerTreeHost.reset();
-
-        endTest();
-    }
-
-    virtual void afterTest() OVERRIDE
-    {
-    }
-};
-
-SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeHostTestLayerOcclusion)
-
-class LayerTreeHostTestLayerOcclusionWithFilters : public LayerTreeHostTest {
-public:
-    LayerTreeHostTestLayerOcclusionWithFilters() { }
-
-    virtual void beginTest() OVERRIDE
-    {
-        scoped_refptr<TestLayer> rootLayer = TestLayer::create();
-        scoped_refptr<TestLayer> child = TestLayer::create();
-        scoped_refptr<TestLayer> child2 = TestLayer::create();
-        scoped_refptr<TestLayer> grandChild = TestLayer::create();
-        scoped_refptr<TestLayer> mask = TestLayer::create();
-
-        gfx::Transform identityMatrix;
-        gfx::Transform childTransform;
-        childTransform.Translate(250, 250);
-        childTransform.Rotate(90);
-        childTransform.Translate(-250, -250);
-
-        child->setMasksToBounds(true);
-
-        // If the child layer has a filter that changes alpha values, and is below child2, then child2 should contribute to occlusion on everything,
-        // and child shouldn't contribute to the rootLayer
-        setTestLayerPropertiesForTesting(rootLayer.get(), 0, identityMatrix, gfx::PointF(0, 0), gfx::PointF(0, 0), gfx::Size(200, 200), true);
-        setTestLayerPropertiesForTesting(child.get(), rootLayer.get(), childTransform, gfx::PointF(0, 0), gfx::PointF(30, 30), gfx::Size(500, 500), true);
-        setTestLayerPropertiesForTesting(grandChild.get(), child.get(), identityMatrix, gfx::PointF(0, 0), gfx::PointF(10, 10), gfx::Size(500, 500), true);
-        setTestLayerPropertiesForTesting(child2.get(), rootLayer.get(), identityMatrix, gfx::PointF(0, 0), gfx::PointF(10, 70), gfx::Size(500, 500), true);
-
-        {
-            WebKit::WebFilterOperations filters;
-            filters.append(WebKit::WebFilterOperation::createOpacityFilter(0.5));
-            child->setFilters(filters);
-        }
-
-        m_layerTreeHost->setRootLayer(rootLayer);
-        m_layerTreeHost->setViewportSize(rootLayer->bounds(), rootLayer->bounds());
-        ASSERT_TRUE(m_layerTreeHost->initializeRendererIfNeeded());
-        ResourceUpdateQueue queue;
-        m_layerTreeHost->updateLayers(queue, std::numeric_limits<size_t>::max());
-        m_layerTreeHost->commitComplete();
-
-        EXPECT_EQ(gfx::Rect().ToString(), child2->occlusion().ToString());
-        EXPECT_EQ(gfx::Rect(40, 330, 130, 190).ToString(), grandChild->occlusion().ToString());
-        EXPECT_EQ(UnionRegions(gfx::Rect(10, 330, 160, 170), gfx::Rect(40, 500, 130, 20)).ToString(), child->occlusion().ToString());
-        EXPECT_EQ(gfx::Rect(10, 70, 190, 130).ToString(), rootLayer->occlusion().ToString());
-
-        // If the child layer has a filter that moves pixels/changes alpha, and is below child2, then child should not inherit occlusion from outside its subtree,
-        // and should not contribute to the rootLayer
-        setTestLayerPropertiesForTesting(rootLayer.get(), 0, identityMatrix, gfx::PointF(0, 0), gfx::PointF(0, 0), gfx::Size(200, 200), true);
-        setTestLayerPropertiesForTesting(child.get(), rootLayer.get(), childTransform, gfx::PointF(0, 0), gfx::PointF(30, 30), gfx::Size(500, 500), true);
-        setTestLayerPropertiesForTesting(grandChild.get(), child.get(), identityMatrix, gfx::PointF(0, 0), gfx::PointF(10, 10), gfx::Size(500, 500), true);
-        setTestLayerPropertiesForTesting(child2.get(), rootLayer.get(), identityMatrix, gfx::PointF(0, 0), gfx::PointF(10, 70), gfx::Size(500, 500), true);
-
-        {
-            WebKit::WebFilterOperations filters;
-            filters.append(WebKit::WebFilterOperation::createBlurFilter(10));
-            child->setFilters(filters);
-        }
-
-        m_layerTreeHost->setRootLayer(rootLayer);
-        m_layerTreeHost->setViewportSize(rootLayer->bounds(), rootLayer->bounds());
-        m_layerTreeHost->updateLayers(queue, std::numeric_limits<size_t>::max());
-        m_layerTreeHost->commitComplete();
-
-        EXPECT_EQ(gfx::Rect().ToString(), child2->occlusion().ToString());
-        EXPECT_EQ(gfx::Rect().ToString(), grandChild->occlusion().ToString());
-        EXPECT_EQ(gfx::Rect(10, 330, 160, 170).ToString(), child->occlusion().ToString());
-        EXPECT_EQ(gfx::Rect(10, 70, 190, 130).ToString(), rootLayer->occlusion().ToString());
-
-        // Kill the layerTreeHost immediately.
-        m_layerTreeHost->setRootLayer(0);
-        m_layerTreeHost.reset();
-
-        LayerTreeHost::setNeedsFilterContext(false);
-        endTest();
-    }
-
-    virtual void afterTest() OVERRIDE
-    {
-    }
-};
-
-SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeHostTestLayerOcclusionWithFilters)
-
-class LayerTreeHostTestManySurfaces : public LayerTreeHostTest {
-public:
-    LayerTreeHostTestManySurfaces() { }
-
-    virtual void beginTest() OVERRIDE
-    {
-        // We create enough RenderSurfaces that it will trigger Vector reallocation while computing occlusion.
-        Region occluded;
-        const gfx::Transform identityMatrix;
-        std::vector<scoped_refptr<TestLayer> > layers;
-        std::vector<scoped_refptr<TestLayer> > children;
-        int numSurfaces = 20;
-        scoped_refptr<TestLayer> replica = TestLayer::create();
-
-        for (int i = 0; i < numSurfaces; ++i) {
-            layers.push_back(TestLayer::create());
-            if (!i) {
-                setTestLayerPropertiesForTesting(layers.back().get(), 0, identityMatrix, gfx::PointF(0, 0), gfx::PointF(0, 0), gfx::Size(200, 200), true);
-                layers.back()->createRenderSurface();
-            } else {
-                setTestLayerPropertiesForTesting(layers.back().get(), layers[layers.size()-2].get(), identityMatrix, gfx::PointF(0, 0), gfx::PointF(1, 1), gfx::Size(200-i, 200-i), true);
-                layers.back()->setMasksToBounds(true);
-                layers.back()->setReplicaLayer(replica.get()); // Make it have a RenderSurfaceImpl
-            }
-        }
-
-        for (int i = 1; i < numSurfaces; ++i) {
-            children.push_back(TestLayer::create());
-            setTestLayerPropertiesForTesting(children.back().get(), layers[i].get(), identityMatrix, gfx::PointF(0, 0), gfx::PointF(0, 0), gfx::Size(500, 500), false);
-        }
-
-        m_layerTreeHost->setRootLayer(layers[0].get());
-        m_layerTreeHost->setViewportSize(layers[0]->bounds(), layers[0]->bounds());
-        ASSERT_TRUE(m_layerTreeHost->initializeRendererIfNeeded());
-        ResourceUpdateQueue queue;
-        m_layerTreeHost->updateLayers(queue, std::numeric_limits<size_t>::max());
-        m_layerTreeHost->commitComplete();
-
-        for (int i = 0; i < numSurfaces-1; ++i) {
-            gfx::Rect expectedOcclusion(1, 1, 200-i-1, 200-i-1);
-            EXPECT_EQ(expectedOcclusion.ToString(), layers[i]->occlusion().ToString());
-        }
-
-        // Kill the layerTreeHost immediately.
-        m_layerTreeHost->setRootLayer(0);
-        m_layerTreeHost.reset();
-
-        endTest();
-    }
-
-    virtual void afterTest() OVERRIDE
-    {
-    }
-};
-
-SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeHostTestManySurfaces)
-
 // A loseOutputSurface(1) should lead to a didRecreateOutputSurface(true)
 class LayerTreeHostTestSetSingleLostContext : public LayerTreeHostTest {
 public:
     LayerTreeHostTestSetSingleLostContext()
     {
     }
 
     virtual void beginTest() OVERRIDE
     {
         postSetNeedsCommitToMainThread();
@@ skipping 1271 matching lines @@
     LayerTreeSettings settings;
     settings.maxPartialTextureUpdates = 4;
 
     scoped_ptr<LayerTreeHost> host = LayerTreeHost::create(&client, settings, scoped_ptr<Thread>());
     EXPECT_TRUE(host->initializeRendererIfNeeded());
     EXPECT_EQ(0u, host->settings().maxPartialTextureUpdates);
 }
 
 }  // namespace
 }  // namespace cc