cc/CCDamageTrackerTest.cpp - Issue 11108020: [cc] Change cc_tests.gyp filenames to Chromium style

Unified Diff: cc/CCDamageTrackerTest.cpp

Issue 11108020: [cc] Change cc_tests.gyp filenames to Chromium style (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src

Patch Set: Rebase Created 8 years, 2 months ago

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Index: cc/CCDamageTrackerTest.cpp

diff --git a/cc/CCDamageTrackerTest.cpp b/cc/CCDamageTrackerTest.cpp

deleted file mode 100644

index 75fe8e4924a9760cfddde9bc36867ca2c5957707..0000000000000000000000000000000000000000

--- a/cc/CCDamageTrackerTest.cpp

+++ /dev/null

@@ -1,1137 +0,0 @@

-// Use of this source code is governed by a BSD-style license that can be

-// found in the LICENSE file.

-#include "config.h"

-#include "CCDamageTracker.h"

-#include "CCGeometryTestUtils.h"

-#include "CCLayerImpl.h"

-#include "CCLayerSorter.h"

-#include "CCLayerTreeHostCommon.h"

-#include "CCMathUtil.h"

-#include "CCSingleThreadProxy.h"

-#include "testing/gtest/include/gtest/gtest.h"

-#include <public/WebFilterOperation.h>

-#include <public/WebFilterOperations.h>

-using namespace cc;

-using namespace WebKit;

-using namespace WTF;

-using namespace WebKitTests;

-namespace {

-void executeCalculateDrawTransformsAndVisibility(CCLayerImpl* root, std::vector<CCLayerImpl*>& renderSurfaceLayerList)

- CCLayerSorter layerSorter;

- int dummyMaxTextureSize = 512;

- // Sanity check: The test itself should create the root layer's render surface, so

- // that the surface (and its damage tracker) can persist across multiple

- // calls to this function.

- ASSERT_TRUE(root->renderSurface());

- ASSERT_FALSE(renderSurfaceLayerList.size());

- CCLayerTreeHostCommon::calculateDrawTransforms(root, root->bounds(), 1, &layerSorter, dummyMaxTextureSize, renderSurfaceLayerList);

-void clearDamageForAllSurfaces(CCLayerImpl* layer)

- if (layer->renderSurface())

- layer->renderSurface()->damageTracker()->didDrawDamagedArea();

- // Recursively clear damage for any existing surface.

- for (size_t i = 0; i < layer->children().size(); ++i)

- clearDamageForAllSurfaces(layer->children()[i]);

-void emulateDrawingOneFrame(CCLayerImpl* root)

- // This emulates only the steps that are relevant to testing the damage tracker:

- // 1. computing the render passes and layerlists

- // 2. updating all damage trackers in the correct order

- // 3. resetting all updateRects and propertyChanged flags for all layers and surfaces.

- std::vector<CCLayerImpl*> renderSurfaceLayerList;

- executeCalculateDrawTransformsAndVisibility(root, renderSurfaceLayerList);

- // Iterate back-to-front, so that damage correctly propagates from descendant surfaces to ancestors.

- for (int i = renderSurfaceLayerList.size() - 1; i >= 0; --i) {

- CCRenderSurface* targetSurface = renderSurfaceLayerList[i]->renderSurface();

- targetSurface->damageTracker()->updateDamageTrackingState(targetSurface->layerList(), targetSurface->owningLayerId(), targetSurface->surfacePropertyChangedOnlyFromDescendant(), targetSurface->contentRect(), renderSurfaceLayerList[i]->maskLayer(), renderSurfaceLayerList[i]->filters());

- }

- root->resetAllChangeTrackingForSubtree();

-scoped_ptr<CCLayerImpl> createTestTreeWithOneSurface()

- scoped_ptr<CCLayerImpl> root = CCLayerImpl::create(1);

- scoped_ptr<CCLayerImpl> child = CCLayerImpl::create(2);

- root->setPosition(FloatPoint::zero());

- root->setAnchorPoint(FloatPoint::zero());

- root->setBounds(IntSize(500, 500));

- root->setContentBounds(IntSize(500, 500));

- root->setDrawsContent(true);

- root->createRenderSurface();

- root->renderSurface()->setContentRect(IntRect(IntPoint(), IntSize(500, 500)));

- child->setPosition(FloatPoint(100, 100));

- child->setAnchorPoint(FloatPoint::zero());

- child->setBounds(IntSize(30, 30));

- child->setContentBounds(IntSize(30, 30));

- child->setDrawsContent(true);

- root->addChild(child.Pass());

- return root.Pass();

-scoped_ptr<CCLayerImpl> createTestTreeWithTwoSurfaces()

- // This test tree has two render surfaces: one for the root, and one for

- // child1. Additionally, the root has a second child layer, and child1 has two

- // children of its own.

- scoped_ptr<CCLayerImpl> root = CCLayerImpl::create(1);

- scoped_ptr<CCLayerImpl> child1 = CCLayerImpl::create(2);

- scoped_ptr<CCLayerImpl> child2 = CCLayerImpl::create(3);

- scoped_ptr<CCLayerImpl> grandChild1 = CCLayerImpl::create(4);

- scoped_ptr<CCLayerImpl> grandChild2 = CCLayerImpl::create(5);

- root->setPosition(FloatPoint::zero());

- root->setAnchorPoint(FloatPoint::zero());

- root->setBounds(IntSize(500, 500));

- root->setContentBounds(IntSize(500, 500));

- root->setDrawsContent(true);

- root->createRenderSurface();

- root->renderSurface()->setContentRect(IntRect(IntPoint(), IntSize(500, 500)));

- child1->setPosition(FloatPoint(100, 100));

- child1->setAnchorPoint(FloatPoint::zero());

- child1->setBounds(IntSize(30, 30));

- child1->setContentBounds(IntSize(30, 30));

- child1->setOpacity(0.5); // with a child that drawsContent, this will cause the layer to create its own renderSurface.

- child1->setDrawsContent(false); // this layer does not draw, but is intended to create its own renderSurface.

- child2->setPosition(FloatPoint(11, 11));

- child2->setAnchorPoint(FloatPoint::zero());

- child2->setBounds(IntSize(18, 18));

- child2->setContentBounds(IntSize(18, 18));

- child2->setDrawsContent(true);

- grandChild1->setPosition(FloatPoint(200, 200));

- grandChild1->setAnchorPoint(FloatPoint::zero());

- grandChild1->setBounds(IntSize(6, 8));

- grandChild1->setContentBounds(IntSize(6, 8));

- grandChild1->setDrawsContent(true);

- grandChild2->setPosition(FloatPoint(190, 190));

- grandChild2->setAnchorPoint(FloatPoint::zero());

- grandChild2->setBounds(IntSize(6, 8));

- grandChild2->setContentBounds(IntSize(6, 8));

- grandChild2->setDrawsContent(true);

- child1->addChild(grandChild1.Pass());

- child1->addChild(grandChild2.Pass());

- root->addChild(child1.Pass());

- root->addChild(child2.Pass());

- return root.Pass();

-scoped_ptr<CCLayerImpl> createAndSetUpTestTreeWithOneSurface()

- scoped_ptr<CCLayerImpl> root = createTestTreeWithOneSurface();

- // Setup includes going past the first frame which always damages everything, so

- // that we can actually perform specific tests.

- emulateDrawingOneFrame(root.get());

- return root.Pass();

-scoped_ptr<CCLayerImpl> createAndSetUpTestTreeWithTwoSurfaces()

- scoped_ptr<CCLayerImpl> root = createTestTreeWithTwoSurfaces();

- // Setup includes going past the first frame which always damages everything, so

- // that we can actually perform specific tests.

- emulateDrawingOneFrame(root.get());

- return root.Pass();

-class CCDamageTrackerTest : public testing::Test {

-private:

- // For testing purposes, fake that we are on the impl thread.

- DebugScopedSetImplThread setImplThread;

-};

-TEST_F(CCDamageTrackerTest, sanityCheckTestTreeWithOneSurface)

- // Sanity check that the simple test tree will actually produce the expected render

- // surfaces and layer lists.

- scoped_ptr<CCLayerImpl> root = createAndSetUpTestTreeWithOneSurface();

- EXPECT_EQ(2u, root->renderSurface()->layerList().size());

- EXPECT_EQ(1, root->renderSurface()->layerList()[0]->id());

- EXPECT_EQ(2, root->renderSurface()->layerList()[1]->id());

- FloatRect rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- EXPECT_FLOAT_RECT_EQ(FloatRect(0, 0, 500, 500), rootDamageRect);

-TEST_F(CCDamageTrackerTest, sanityCheckTestTreeWithTwoSurfaces)

- // Sanity check that the complex test tree will actually produce the expected render

- // surfaces and layer lists.

- scoped_ptr<CCLayerImpl> root = createAndSetUpTestTreeWithTwoSurfaces();

- CCLayerImpl* child1 = root->children()[0];

- CCLayerImpl* child2 = root->children()[1];

- FloatRect childDamageRect = child1->renderSurface()->damageTracker()->currentDamageRect();

- FloatRect rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- ASSERT_TRUE(child1->renderSurface());

- EXPECT_FALSE(child2->renderSurface());

- EXPECT_EQ(3u, root->renderSurface()->layerList().size());

- EXPECT_EQ(2u, child1->renderSurface()->layerList().size());

- // The render surface for child1 only has a contentRect that encloses grandChild1 and grandChild2, because child1 does not draw content.

- EXPECT_FLOAT_RECT_EQ(FloatRect(190, 190, 16, 18), childDamageRect);

- EXPECT_FLOAT_RECT_EQ(FloatRect(0, 0, 500, 500), rootDamageRect);

-TEST_F(CCDamageTrackerTest, verifyDamageForUpdateRects)

- scoped_ptr<CCLayerImpl> root = createAndSetUpTestTreeWithOneSurface();

- CCLayerImpl* child = root->children()[0];

- // CASE 1: Setting the update rect should cause the corresponding damage to the surface.

- //

- clearDamageForAllSurfaces(root.get());

- child->setUpdateRect(FloatRect(10, 11, 12, 13));

- emulateDrawingOneFrame(root.get());

- // Damage position on the surface should be: position of updateRect (10, 11) relative to the child (100, 100).

- FloatRect rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- EXPECT_FLOAT_RECT_EQ(FloatRect(110, 111, 12, 13), rootDamageRect);

- // CASE 2: The same update rect twice in a row still produces the same damage.

- //

- clearDamageForAllSurfaces(root.get());

- child->setUpdateRect(FloatRect(10, 11, 12, 13));

- emulateDrawingOneFrame(root.get());

- rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- EXPECT_FLOAT_RECT_EQ(FloatRect(110, 111, 12, 13), rootDamageRect);

- // CASE 3: Setting a different update rect should cause damage on the new update region, but no additional exposed old region.

- //

- clearDamageForAllSurfaces(root.get());

- child->setUpdateRect(FloatRect(20, 25, 1, 2));

- emulateDrawingOneFrame(root.get());

- // Damage position on the surface should be: position of updateRect (20, 25) relative to the child (100, 100).

- rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- EXPECT_FLOAT_RECT_EQ(FloatRect(120, 125, 1, 2), rootDamageRect);

-TEST_F(CCDamageTrackerTest, verifyDamageForPropertyChanges)

- scoped_ptr<CCLayerImpl> root = createAndSetUpTestTreeWithOneSurface();

- CCLayerImpl* child = root->children()[0];

- // CASE 1: The layer's property changed flag takes priority over update rect.

- //

- clearDamageForAllSurfaces(root.get());

- child->setUpdateRect(FloatRect(10, 11, 12, 13));

- child->setOpacity(0.5);

- emulateDrawingOneFrame(root.get());

- // Sanity check - we should not have accidentally created a separate render surface for the translucent layer.

- ASSERT_FALSE(child->renderSurface());

- ASSERT_EQ(2u, root->renderSurface()->layerList().size());

- // Damage should be the entire child layer in targetSurface space.

- FloatRect expectedRect = FloatRect(100, 100, 30, 30);

- FloatRect rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- EXPECT_FLOAT_RECT_EQ(expectedRect, rootDamageRect);

- // CASE 2: If a layer moves due to property change, it damages both the new location

- // and the old (exposed) location. The old location is the entire old layer,

- // not just the updateRect.

- // Cycle one frame of no change, just to sanity check that the next rect is not because of the old damage state.

- clearDamageForAllSurfaces(root.get());

- emulateDrawingOneFrame(root.get());

- EXPECT_TRUE(root->renderSurface()->damageTracker()->currentDamageRect().isEmpty());

- // Then, test the actual layer movement.

- clearDamageForAllSurfaces(root.get());

- child->setPosition(FloatPoint(200, 230));

- emulateDrawingOneFrame(root.get());

- // Expect damage to be the combination of the previous one and the new one.

- expectedRect.uniteIfNonZero(FloatRect(200, 230, 30, 30));

- rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- EXPECT_FLOAT_RECT_EQ(expectedRect, rootDamageRect);

-TEST_F(CCDamageTrackerTest, verifyDamageForTransformedLayer)

- // If a layer is transformed, the damage rect should still enclose the entire

- // transformed layer.

- scoped_ptr<CCLayerImpl> root = createAndSetUpTestTreeWithOneSurface();

- CCLayerImpl* child = root->children()[0];

- WebTransformationMatrix rotation;

- rotation.rotate(45);

- clearDamageForAllSurfaces(root.get());

- child->setAnchorPoint(FloatPoint(0.5, 0.5));

- child->setPosition(FloatPoint(85, 85));

- emulateDrawingOneFrame(root.get());

- // Sanity check that the layer actually moved to (85, 85), damaging its old location and new location.

- FloatRect rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- EXPECT_FLOAT_RECT_EQ(FloatRect(85, 85, 45, 45), rootDamageRect);

- // With the anchor on the layer's center, now we can test the rotation more

- // intuitively, since it applies about the layer's anchor.

- clearDamageForAllSurfaces(root.get());

- child->setTransform(rotation);

- emulateDrawingOneFrame(root.get());

- // Since the child layer is square, rotation by 45 degrees about the center should

- // increase the size of the expected rect by sqrt(2), centered around (100, 100). The

- // old exposed region should be fully contained in the new region.

- double expectedWidth = 30 * sqrt(2.0);

- double expectedPosition = 100 - 0.5 * expectedWidth;

- FloatRect expectedRect(expectedPosition, expectedPosition, expectedWidth, expectedWidth);

- rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- EXPECT_FLOAT_RECT_EQ(expectedRect, rootDamageRect);

-TEST_F(CCDamageTrackerTest, verifyDamageForPerspectiveClippedLayer)

- // If a layer has a perspective transform that causes w < 0, then not clipping the

- // layer can cause an invalid damage rect. This test checks that the w < 0 case is

- // tracked properly.

- //

- // The transform is constructed so that if w < 0 clipping is not performed, the

- // incorrect rect will be very small, specifically: position (500.972504, 498.544617) and size 0.056610 x 2.910767.

- // Instead, the correctly transformed rect should actually be very huge (i.e. in theory, -infinity on the left),

- // and positioned so that the right-most bound rect will be approximately 501 units in root surface space.

- //

- scoped_ptr<CCLayerImpl> root = createAndSetUpTestTreeWithOneSurface();

- CCLayerImpl* child = root->children()[0];

- WebTransformationMatrix transform;

- transform.translate3d(500, 500, 0);

- transform.applyPerspective(1);

- transform.rotate3d(0, 45, 0);

- transform.translate3d(-50, -50, 0);

- // Set up the child

- child->setPosition(FloatPoint(0, 0));

- child->setBounds(IntSize(100, 100));

- child->setContentBounds(IntSize(100, 100));

- child->setTransform(transform);

- emulateDrawingOneFrame(root.get());

- // Sanity check that the child layer's bounds would actually get clipped by w < 0,

- // otherwise this test is not actually testing the intended scenario.

- FloatQuad testQuad(FloatRect(FloatPoint::zero(), FloatSize(100, 100)));

- bool clipped = false;

- CCMathUtil::mapQuad(transform, testQuad, clipped);

- EXPECT_TRUE(clipped);

- // Damage the child without moving it.

- clearDamageForAllSurfaces(root.get());

- child->setOpacity(0.5);

- emulateDrawingOneFrame(root.get());

- // The expected damage should cover the entire root surface (500x500), but we don't

- // care whether the damage rect was clamped or is larger than the surface for this test.

- FloatRect rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- FloatRect damageWeCareAbout = FloatRect(FloatPoint::zero(), FloatSize(500, 500));

- EXPECT_TRUE(rootDamageRect.contains(damageWeCareAbout));

-TEST_F(CCDamageTrackerTest, verifyDamageForBlurredSurface)

- scoped_ptr<CCLayerImpl> root = createAndSetUpTestTreeWithOneSurface();

- CCLayerImpl* child = root->children()[0];

- WebFilterOperations filters;

- filters.append(WebFilterOperation::createBlurFilter(5));

- int outsetTop, outsetRight, outsetBottom, outsetLeft;

- filters.getOutsets(outsetTop, outsetRight, outsetBottom, outsetLeft);

- // Setting the filter will damage the whole surface.

- clearDamageForAllSurfaces(root.get());

- root->setFilters(filters);

- emulateDrawingOneFrame(root.get());

- // Setting the update rect should cause the corresponding damage to the surface, blurred based on the size of the blur filter.

- clearDamageForAllSurfaces(root.get());

- child->setUpdateRect(FloatRect(10, 11, 12, 13));

- emulateDrawingOneFrame(root.get());

- // Damage position on the surface should be: position of updateRect (10, 11) relative to the child (100, 100), but expanded by the blur outsets.

- FloatRect rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- FloatRect expectedDamageRect = FloatRect(110, 111, 12, 13);

- expectedDamageRect.move(-outsetLeft, -outsetTop);

- expectedDamageRect.expand(outsetLeft + outsetRight, outsetTop + outsetBottom);

- EXPECT_FLOAT_RECT_EQ(expectedDamageRect, rootDamageRect);

-TEST_F(CCDamageTrackerTest, verifyDamageForBackgroundBlurredChild)

- scoped_ptr<CCLayerImpl> root = createAndSetUpTestTreeWithTwoSurfaces();

- CCLayerImpl* child1 = root->children()[0];

- CCLayerImpl* child2 = root->children()[1];

- // Allow us to set damage on child1 too.

- child1->setDrawsContent(true);

- WebFilterOperations filters;

- filters.append(WebFilterOperation::createBlurFilter(2));

- int outsetTop, outsetRight, outsetBottom, outsetLeft;

- filters.getOutsets(outsetTop, outsetRight, outsetBottom, outsetLeft);

- // Setting the filter will damage the whole surface.

- clearDamageForAllSurfaces(root.get());

- child1->setBackgroundFilters(filters);

- emulateDrawingOneFrame(root.get());

- // CASE 1: Setting the update rect should cause the corresponding damage to

- // the surface, blurred based on the size of the child's background blur

- // filter.

- clearDamageForAllSurfaces(root.get());

- root->setUpdateRect(FloatRect(297, 297, 2, 2));

- emulateDrawingOneFrame(root.get());

- FloatRect rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- // Damage position on the surface should be a composition of the damage on the root and on child2.

- // Damage on the root should be: position of updateRect (297, 297), but expanded by the blur outsets.

- FloatRect expectedDamageRect = FloatRect(297, 297, 2, 2);

- expectedDamageRect.move(-outsetLeft, -outsetTop);

- expectedDamageRect.expand(outsetLeft + outsetRight, outsetTop + outsetBottom);

- EXPECT_FLOAT_RECT_EQ(expectedDamageRect, rootDamageRect);

- // CASE 2: Setting the update rect should cause the corresponding damage to

- // the surface, blurred based on the size of the child's background blur

- // filter. Since the damage extends to the right/bottom outside of the

- // blurred layer, only the left/top should end up expanded.

- clearDamageForAllSurfaces(root.get());

- root->setUpdateRect(FloatRect(297, 297, 30, 30));

- emulateDrawingOneFrame(root.get());

- rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- // Damage position on the surface should be a composition of the damage on the root and on child2.

- // Damage on the root should be: position of updateRect (297, 297), but expanded on the left/top

- // by the blur outsets.

- expectedDamageRect = FloatRect(297, 297, 30, 30);

- expectedDamageRect.move(-outsetLeft, -outsetTop);

- expectedDamageRect.expand(outsetLeft, outsetTop);

- EXPECT_FLOAT_RECT_EQ(expectedDamageRect, rootDamageRect);

- // CASE 3: Setting this update rect outside the blurred contentBounds of the blurred

- // child1 will not cause it to be expanded.

- clearDamageForAllSurfaces(root.get());

- root->setUpdateRect(FloatRect(30, 30, 2, 2));

- emulateDrawingOneFrame(root.get());

- rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- // Damage on the root should be: position of updateRect (30, 30), not

- // expanded.

- expectedDamageRect = FloatRect(30, 30, 2, 2);

- EXPECT_FLOAT_RECT_EQ(expectedDamageRect, rootDamageRect);

- // CASE 4: Setting this update rect inside the blurred contentBounds but outside the

- // original contentBounds of the blurred child1 will cause it to be expanded.

- clearDamageForAllSurfaces(root.get());

- root->setUpdateRect(FloatRect(99, 99, 1, 1));

- emulateDrawingOneFrame(root.get());

- rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- // Damage on the root should be: position of updateRect (99, 99), expanded

- // by the blurring on child1, but since it is 1 pixel outside the layer, the

- // expanding should be reduced by 1.

- expectedDamageRect = FloatRect(99, 99, 1, 1);

- expectedDamageRect.move(-outsetLeft + 1, -outsetTop + 1);

- expectedDamageRect.expand(outsetLeft + outsetRight - 1, outsetTop + outsetBottom - 1);

- EXPECT_FLOAT_RECT_EQ(expectedDamageRect, rootDamageRect);

- // CASE 5: Setting the update rect on child2, which is above child1, will

- // not get blurred by child1, so it does not need to get expanded.

- clearDamageForAllSurfaces(root.get());

- child2->setUpdateRect(FloatRect(0, 0, 1, 1));

- emulateDrawingOneFrame(root.get());

- rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- // Damage on child2 should be: position of updateRect offset by the child's position (11, 11), and not expanded by anything.

- expectedDamageRect = FloatRect(11, 11, 1, 1);

- EXPECT_FLOAT_RECT_EQ(expectedDamageRect, rootDamageRect);

- // CASE 6: Setting the update rect on child1 will also blur the damage, so

- // that any pixels needed for the blur are redrawn in the current frame.

- clearDamageForAllSurfaces(root.get());

- child1->setUpdateRect(FloatRect(0, 0, 1, 1));

- emulateDrawingOneFrame(root.get());

- rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- // Damage on child1 should be: position of updateRect offset by the child's position (100, 100), and expanded by the damage.

- expectedDamageRect = FloatRect(100, 100, 1, 1);

- expectedDamageRect.move(-outsetLeft, -outsetTop);

- expectedDamageRect.expand(outsetLeft + outsetRight, outsetTop + outsetBottom);

- EXPECT_FLOAT_RECT_EQ(expectedDamageRect, rootDamageRect);

-TEST_F(CCDamageTrackerTest, verifyDamageForAddingAndRemovingLayer)

- scoped_ptr<CCLayerImpl> root = createAndSetUpTestTreeWithOneSurface();

- CCLayerImpl* child1 = root->children()[0];

- // CASE 1: Adding a new layer should cause the appropriate damage.

- //

- clearDamageForAllSurfaces(root.get());

- {

- scoped_ptr<CCLayerImpl> child2 = CCLayerImpl::create(3);

- child2->setPosition(FloatPoint(400, 380));

- child2->setAnchorPoint(FloatPoint::zero());

- child2->setBounds(IntSize(6, 8));

- child2->setContentBounds(IntSize(6, 8));

- child2->setDrawsContent(true);

- root->addChild(child2.Pass());

- }

- emulateDrawingOneFrame(root.get());

- // Sanity check - all 3 layers should be on the same render surface; render surfaces are tested elsewhere.

- ASSERT_EQ(3u, root->renderSurface()->layerList().size());

- FloatRect rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- EXPECT_FLOAT_RECT_EQ(FloatRect(400, 380, 6, 8), rootDamageRect);

- // CASE 2: If the layer is removed, its entire old layer becomes exposed, not just the

- // last update rect.

- // Advance one frame without damage so that we know the damage rect is not leftover from the previous case.

- clearDamageForAllSurfaces(root.get());

- emulateDrawingOneFrame(root.get());

- EXPECT_TRUE(root->renderSurface()->damageTracker()->currentDamageRect().isEmpty());

- // Then, test removing child1.

- child1->removeFromParent();

- emulateDrawingOneFrame(root.get());

- rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- EXPECT_FLOAT_RECT_EQ(FloatRect(100, 100, 30, 30), rootDamageRect);

-TEST_F(CCDamageTrackerTest, verifyDamageForNewUnchangedLayer)

- // If child2 is added to the layer tree, but it doesn't have any explicit damage of

- // its own, it should still indeed damage the target surface.

- scoped_ptr<CCLayerImpl> root = createAndSetUpTestTreeWithOneSurface();

- clearDamageForAllSurfaces(root.get());

- {

- scoped_ptr<CCLayerImpl> child2 = CCLayerImpl::create(3);

- child2->setPosition(FloatPoint(400, 380));

- child2->setAnchorPoint(FloatPoint::zero());

- child2->setBounds(IntSize(6, 8));

- child2->setContentBounds(IntSize(6, 8));

- child2->setDrawsContent(true);

- child2->resetAllChangeTrackingForSubtree();

- // Sanity check the initial conditions of the test, if these asserts trigger, it

- // means the test no longer actually covers the intended scenario.

- ASSERT_FALSE(child2->layerPropertyChanged());

- ASSERT_TRUE(child2->updateRect().isEmpty());

- root->addChild(child2.Pass());

- }

- emulateDrawingOneFrame(root.get());

- // Sanity check - all 3 layers should be on the same render surface; render surfaces are tested elsewhere.

- ASSERT_EQ(3u, root->renderSurface()->layerList().size());

- FloatRect rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- EXPECT_FLOAT_RECT_EQ(FloatRect(400, 380, 6, 8), rootDamageRect);

-TEST_F(CCDamageTrackerTest, verifyDamageForMultipleLayers)

- scoped_ptr<CCLayerImpl> root = createAndSetUpTestTreeWithOneSurface();

- CCLayerImpl* child1 = root->children()[0];

- // In this test we don't want the above tree manipulation to be considered part of the same frame.

- clearDamageForAllSurfaces(root.get());

- {

- scoped_ptr<CCLayerImpl> child2 = CCLayerImpl::create(3);

- child2->setPosition(FloatPoint(400, 380));

- child2->setAnchorPoint(FloatPoint::zero());

- child2->setBounds(IntSize(6, 8));

- child2->setContentBounds(IntSize(6, 8));

- child2->setDrawsContent(true);

- root->addChild(child2.Pass());

- }

- CCLayerImpl* child2 = root->children()[1];

- emulateDrawingOneFrame(root.get());

- // Damaging two layers simultaneously should cause combined damage.

- // - child1 update rect in surface space: FloatRect(100, 100, 1, 2);

- // - child2 update rect in surface space: FloatRect(400, 380, 3, 4);

- clearDamageForAllSurfaces(root.get());

- child1->setUpdateRect(FloatRect(0, 0, 1, 2));

- child2->setUpdateRect(FloatRect(0, 0, 3, 4));

- emulateDrawingOneFrame(root.get());

- FloatRect rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- EXPECT_FLOAT_RECT_EQ(FloatRect(100, 100, 303, 284), rootDamageRect);

-TEST_F(CCDamageTrackerTest, verifyDamageForNestedSurfaces)

- scoped_ptr<CCLayerImpl> root = createAndSetUpTestTreeWithTwoSurfaces();

- CCLayerImpl* child1 = root->children()[0];

- CCLayerImpl* child2 = root->children()[1];

- CCLayerImpl* grandChild1 = root->children()[0]->children()[0];

- FloatRect childDamageRect;

- FloatRect rootDamageRect;

- // CASE 1: Damage to a descendant surface should propagate properly to ancestor surface.

- //

- clearDamageForAllSurfaces(root.get());

- grandChild1->setOpacity(0.5);

- emulateDrawingOneFrame(root.get());

- childDamageRect = child1->renderSurface()->damageTracker()->currentDamageRect();

- rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- EXPECT_FLOAT_RECT_EQ(FloatRect(200, 200, 6, 8), childDamageRect);

- EXPECT_FLOAT_RECT_EQ(FloatRect(300, 300, 6, 8), rootDamageRect);

- // CASE 2: Same as previous case, but with additional damage elsewhere that should be properly unioned.

- // - child1 surface damage in root surface space: FloatRect(300, 300, 6, 8);

- // - child2 damage in root surface space: FloatRect(11, 11, 18, 18);

- clearDamageForAllSurfaces(root.get());

- grandChild1->setOpacity(0.7f);

- child2->setOpacity(0.7f);

- emulateDrawingOneFrame(root.get());

- childDamageRect = child1->renderSurface()->damageTracker()->currentDamageRect();

- rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- EXPECT_FLOAT_RECT_EQ(FloatRect(200, 200, 6, 8), childDamageRect);

- EXPECT_FLOAT_RECT_EQ(FloatRect(11, 11, 295, 297), rootDamageRect);

-TEST_F(CCDamageTrackerTest, verifyDamageForSurfaceChangeFromDescendantLayer)

- // If descendant layer changes and affects the content bounds of the render surface,

- // then the entire descendant surface should be damaged, and it should damage its

- // ancestor surface with the old and new surface regions.

- // This is a tricky case, since only the first grandChild changes, but the entire

- // surface should be marked dirty.

- scoped_ptr<CCLayerImpl> root = createAndSetUpTestTreeWithTwoSurfaces();

- CCLayerImpl* child1 = root->children()[0];

- CCLayerImpl* grandChild1 = root->children()[0]->children()[0];

- FloatRect childDamageRect;

- FloatRect rootDamageRect;

- clearDamageForAllSurfaces(root.get());

- grandChild1->setPosition(FloatPoint(195, 205));

- emulateDrawingOneFrame(root.get());

- childDamageRect = child1->renderSurface()->damageTracker()->currentDamageRect();

- rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- // The new surface bounds should be damaged entirely, even though only one of the layers changed.

- EXPECT_FLOAT_RECT_EQ(FloatRect(190, 190, 11, 23), childDamageRect);

- // Damage to the root surface should be the union of child1's *entire* render surface

- // (in target space), and its old exposed area (also in target space).

- EXPECT_FLOAT_RECT_EQ(FloatRect(290, 290, 16, 23), rootDamageRect);

-TEST_F(CCDamageTrackerTest, verifyDamageForSurfaceChangeFromAncestorLayer)

- // An ancestor/owning layer changes that affects the position/transform of the render

- // surface. Note that in this case, the layerPropertyChanged flag already propagates

- // to the subtree (tested in CCLayerImpltest), which damages the entire child1

- // surface, but the damage tracker still needs the correct logic to compute the

- // exposed region on the root surface.

- // FIXME: the expectations of this test case should change when we add support for a

- // unique scissorRect per renderSurface. In that case, the child1 surface

- // should be completely unchanged, since we are only transforming it, while the

- // root surface would be damaged appropriately.

- scoped_ptr<CCLayerImpl> root = createAndSetUpTestTreeWithTwoSurfaces();

- CCLayerImpl* child1 = root->children()[0];

- FloatRect childDamageRect;

- FloatRect rootDamageRect;

- clearDamageForAllSurfaces(root.get());

- child1->setPosition(FloatPoint(50, 50));

- emulateDrawingOneFrame(root.get());

- childDamageRect = child1->renderSurface()->damageTracker()->currentDamageRect();

- rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- // The new surface bounds should be damaged entirely.

- EXPECT_FLOAT_RECT_EQ(FloatRect(190, 190, 16, 18), childDamageRect);

- // The entire child1 surface and the old exposed child1 surface should damage the root surface.

- // - old child1 surface in target space: FloatRect(290, 290, 16, 18)

- // - new child1 surface in target space: FloatRect(240, 240, 16, 18)

- EXPECT_FLOAT_RECT_EQ(FloatRect(240, 240, 66, 68), rootDamageRect);

-TEST_F(CCDamageTrackerTest, verifyDamageForAddingAndRemovingRenderSurfaces)

- scoped_ptr<CCLayerImpl> root = createAndSetUpTestTreeWithTwoSurfaces();

- CCLayerImpl* child1 = root->children()[0];

- FloatRect childDamageRect;

- FloatRect rootDamageRect;

- // CASE 1: If a descendant surface disappears, its entire old area becomes exposed.

- //

- clearDamageForAllSurfaces(root.get());

- child1->setOpacity(1);

- emulateDrawingOneFrame(root.get());

- // Sanity check that there is only one surface now.

- ASSERT_FALSE(child1->renderSurface());

- ASSERT_EQ(4u, root->renderSurface()->layerList().size());

- rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- EXPECT_FLOAT_RECT_EQ(FloatRect(290, 290, 16, 18), rootDamageRect);

- // CASE 2: If a descendant surface appears, its entire old area becomes exposed.

- // Cycle one frame of no change, just to sanity check that the next rect is not because of the old damage state.

- clearDamageForAllSurfaces(root.get());

- emulateDrawingOneFrame(root.get());

- rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- EXPECT_TRUE(rootDamageRect.isEmpty());

- // Then change the tree so that the render surface is added back.

- clearDamageForAllSurfaces(root.get());

- child1->setOpacity(0.5);

- emulateDrawingOneFrame(root.get());

- // Sanity check that there is a new surface now.

- ASSERT_TRUE(child1->renderSurface());

- EXPECT_EQ(3u, root->renderSurface()->layerList().size());

- EXPECT_EQ(2u, child1->renderSurface()->layerList().size());

- childDamageRect = child1->renderSurface()->damageTracker()->currentDamageRect();

- rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- EXPECT_FLOAT_RECT_EQ(FloatRect(190, 190, 16, 18), childDamageRect);

- EXPECT_FLOAT_RECT_EQ(FloatRect(290, 290, 16, 18), rootDamageRect);

-TEST_F(CCDamageTrackerTest, verifyNoDamageWhenNothingChanged)

- scoped_ptr<CCLayerImpl> root = createAndSetUpTestTreeWithTwoSurfaces();

- CCLayerImpl* child1 = root->children()[0];

- FloatRect childDamageRect;

- FloatRect rootDamageRect;

- // CASE 1: If nothing changes, the damage rect should be empty.

- //

- clearDamageForAllSurfaces(root.get());

- emulateDrawingOneFrame(root.get());

- childDamageRect = child1->renderSurface()->damageTracker()->currentDamageRect();

- rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- EXPECT_TRUE(childDamageRect.isEmpty());

- EXPECT_TRUE(rootDamageRect.isEmpty());

- // CASE 2: If nothing changes twice in a row, the damage rect should still be empty.

- //

- clearDamageForAllSurfaces(root.get());

- emulateDrawingOneFrame(root.get());

- childDamageRect = child1->renderSurface()->damageTracker()->currentDamageRect();

- rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- EXPECT_TRUE(childDamageRect.isEmpty());

- EXPECT_TRUE(rootDamageRect.isEmpty());

-TEST_F(CCDamageTrackerTest, verifyNoDamageForUpdateRectThatDoesNotDrawContent)

- scoped_ptr<CCLayerImpl> root = createAndSetUpTestTreeWithTwoSurfaces();

- CCLayerImpl* child1 = root->children()[0];

- FloatRect childDamageRect;

- FloatRect rootDamageRect;

- // In our specific tree, the update rect of child1 should not cause any damage to any

- // surface because it does not actually draw content.

- clearDamageForAllSurfaces(root.get());

- child1->setUpdateRect(FloatRect(0, 0, 1, 2));

- emulateDrawingOneFrame(root.get());

- childDamageRect = child1->renderSurface()->damageTracker()->currentDamageRect();

- rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- EXPECT_TRUE(childDamageRect.isEmpty());

- EXPECT_TRUE(rootDamageRect.isEmpty());

-TEST_F(CCDamageTrackerTest, verifyDamageForReplica)

- scoped_ptr<CCLayerImpl> root = createAndSetUpTestTreeWithTwoSurfaces();

- CCLayerImpl* child1 = root->children()[0];

- CCLayerImpl* grandChild1 = child1->children()[0];

- CCLayerImpl* grandChild2 = child1->children()[1];

- // Damage on a surface that has a reflection should cause the target surface to

- // receive the surface's damage and the surface's reflected damage.

- // For this test case, we modify grandChild2, and add grandChild3 to extend the bounds

- // of child1's surface. This way, we can test reflection changes without changing

- // contentBounds of the surface.

- grandChild2->setPosition(FloatPoint(180, 180));

- {

- scoped_ptr<CCLayerImpl> grandChild3 = CCLayerImpl::create(6);

- grandChild3->setPosition(FloatPoint(240, 240));

- grandChild3->setAnchorPoint(FloatPoint::zero());

- grandChild3->setBounds(IntSize(10, 10));

- grandChild3->setContentBounds(IntSize(10, 10));

- grandChild3->setDrawsContent(true);

- child1->addChild(grandChild3.Pass());

- }

- child1->setOpacity(0.5);

- emulateDrawingOneFrame(root.get());

- // CASE 1: adding a reflection about the left edge of grandChild1.

- //

- clearDamageForAllSurfaces(root.get());

- {

- scoped_ptr<CCLayerImpl> grandChild1Replica = CCLayerImpl::create(7);

- grandChild1Replica->setPosition(FloatPoint::zero());

- grandChild1Replica->setAnchorPoint(FloatPoint::zero());

- WebTransformationMatrix reflection;

- reflection.scale3d(-1, 1, 1);

- grandChild1Replica->setTransform(reflection);

- grandChild1->setReplicaLayer(grandChild1Replica.Pass());

- }

- emulateDrawingOneFrame(root.get());

- FloatRect grandChildDamageRect = grandChild1->renderSurface()->damageTracker()->currentDamageRect();

- FloatRect childDamageRect = child1->renderSurface()->damageTracker()->currentDamageRect();

- FloatRect rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- // The grandChild surface damage should not include its own replica. The child

- // surface damage should include the normal and replica surfaces.

- EXPECT_FLOAT_RECT_EQ(FloatRect(0, 0, 6, 8), grandChildDamageRect);

- EXPECT_FLOAT_RECT_EQ(FloatRect(194, 200, 12, 8), childDamageRect);

- EXPECT_FLOAT_RECT_EQ(FloatRect(294, 300, 12, 8), rootDamageRect);

- // CASE 2: moving the descendant surface should cause both the original and reflected

- // areas to be damaged on the target.

- clearDamageForAllSurfaces(root.get());

- IntRect oldContentRect = child1->renderSurface()->contentRect();

- grandChild1->setPosition(FloatPoint(195, 205));

- emulateDrawingOneFrame(root.get());

- ASSERT_EQ(oldContentRect.width(), child1->renderSurface()->contentRect().width());

- ASSERT_EQ(oldContentRect.height(), child1->renderSurface()->contentRect().height());

- grandChildDamageRect = grandChild1->renderSurface()->damageTracker()->currentDamageRect();

- childDamageRect = child1->renderSurface()->damageTracker()->currentDamageRect();

- rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- // The child surface damage should include normal and replica surfaces for both old and new locations.

- // - old location in target space: FloatRect(194, 200, 12, 8)

- // - new location in target space: FloatRect(189, 205, 12, 8)

- EXPECT_FLOAT_RECT_EQ(FloatRect(0, 0, 6, 8), grandChildDamageRect);

- EXPECT_FLOAT_RECT_EQ(FloatRect(189, 200, 17, 13), childDamageRect);

- EXPECT_FLOAT_RECT_EQ(FloatRect(289, 300, 17, 13), rootDamageRect);

- // CASE 3: removing the reflection should cause the entire region including reflection

- // to damage the target surface.

- clearDamageForAllSurfaces(root.get());

- grandChild1->setReplicaLayer(scoped_ptr<CCLayerImpl>());

- emulateDrawingOneFrame(root.get());

- ASSERT_EQ(oldContentRect.width(), child1->renderSurface()->contentRect().width());

- ASSERT_EQ(oldContentRect.height(), child1->renderSurface()->contentRect().height());

- EXPECT_FALSE(grandChild1->renderSurface());

- childDamageRect = child1->renderSurface()->damageTracker()->currentDamageRect();

- rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- EXPECT_FLOAT_RECT_EQ(FloatRect(189, 205, 12, 8), childDamageRect);

- EXPECT_FLOAT_RECT_EQ(FloatRect(289, 305, 12, 8), rootDamageRect);

-TEST_F(CCDamageTrackerTest, verifyDamageForMask)

- scoped_ptr<CCLayerImpl> root = createAndSetUpTestTreeWithOneSurface();

- CCLayerImpl* child = root->children()[0];

- // In the current implementation of the damage tracker, changes to mask layers should

- // damage the entire corresponding surface.

- clearDamageForAllSurfaces(root.get());

- // Set up the mask layer.

- {

- scoped_ptr<CCLayerImpl> maskLayer = CCLayerImpl::create(3);

- maskLayer->setPosition(child->position());

- maskLayer->setAnchorPoint(FloatPoint::zero());

- maskLayer->setBounds(child->bounds());

- maskLayer->setContentBounds(child->bounds());

- child->setMaskLayer(maskLayer.Pass());

- }

- CCLayerImpl* maskLayer = child->maskLayer();

- // Add opacity and a grandChild so that the render surface persists even after we remove the mask.

- child->setOpacity(0.5);

- {

- scoped_ptr<CCLayerImpl> grandChild = CCLayerImpl::create(4);

- grandChild->setPosition(FloatPoint(2, 2));

- grandChild->setAnchorPoint(FloatPoint::zero());

- grandChild->setBounds(IntSize(2, 2));

- grandChild->setContentBounds(IntSize(2, 2));

- grandChild->setDrawsContent(true);

- child->addChild(grandChild.Pass());

- }

- emulateDrawingOneFrame(root.get());

- // Sanity check that a new surface was created for the child.

- ASSERT_TRUE(child->renderSurface());

- // CASE 1: the updateRect on a mask layer should damage the entire target surface.

- //

- clearDamageForAllSurfaces(root.get());

- maskLayer->setUpdateRect(FloatRect(1, 2, 3, 4));

- emulateDrawingOneFrame(root.get());

- FloatRect childDamageRect = child->renderSurface()->damageTracker()->currentDamageRect();

- EXPECT_FLOAT_RECT_EQ(FloatRect(0, 0, 30, 30), childDamageRect);

- // CASE 2: a property change on the mask layer should damage the entire target surface.

- //

- // Advance one frame without damage so that we know the damage rect is not leftover from the previous case.

- clearDamageForAllSurfaces(root.get());

- emulateDrawingOneFrame(root.get());

- childDamageRect = child->renderSurface()->damageTracker()->currentDamageRect();

- EXPECT_TRUE(childDamageRect.isEmpty());

- // Then test the property change.

- clearDamageForAllSurfaces(root.get());

- maskLayer->setStackingOrderChanged(true);

- emulateDrawingOneFrame(root.get());

- childDamageRect = child->renderSurface()->damageTracker()->currentDamageRect();

- EXPECT_FLOAT_RECT_EQ(FloatRect(0, 0, 30, 30), childDamageRect);

- // CASE 3: removing the mask also damages the entire target surface.

- //

- // Advance one frame without damage so that we know the damage rect is not leftover from the previous case.

- clearDamageForAllSurfaces(root.get());

- emulateDrawingOneFrame(root.get());

- childDamageRect = child->renderSurface()->damageTracker()->currentDamageRect();

- EXPECT_TRUE(childDamageRect.isEmpty());

- // Then test mask removal.

- clearDamageForAllSurfaces(root.get());

- child->setMaskLayer(scoped_ptr<CCLayerImpl>());

- ASSERT_TRUE(child->layerPropertyChanged());

- emulateDrawingOneFrame(root.get());

- // Sanity check that a render surface still exists.

- ASSERT_TRUE(child->renderSurface());

- childDamageRect = child->renderSurface()->damageTracker()->currentDamageRect();

- EXPECT_FLOAT_RECT_EQ(FloatRect(0, 0, 30, 30), childDamageRect);

-TEST_F(CCDamageTrackerTest, verifyDamageForReplicaMask)

- scoped_ptr<CCLayerImpl> root = createAndSetUpTestTreeWithTwoSurfaces();

- CCLayerImpl* child1 = root->children()[0];

- CCLayerImpl* grandChild1 = child1->children()[0];

- // Changes to a replica's mask should not damage the original surface, because it is

- // not masked. But it does damage the ancestor target surface.

- clearDamageForAllSurfaces(root.get());

- // Create a reflection about the left edge of grandChild1.

- {

- scoped_ptr<CCLayerImpl> grandChild1Replica = CCLayerImpl::create(6);

- grandChild1Replica->setPosition(FloatPoint::zero());

- grandChild1Replica->setAnchorPoint(FloatPoint::zero());

- WebTransformationMatrix reflection;

- reflection.scale3d(-1, 1, 1);

- grandChild1Replica->setTransform(reflection);

- grandChild1->setReplicaLayer(grandChild1Replica.Pass());

- }

- CCLayerImpl* grandChild1Replica = grandChild1->replicaLayer();

- // Set up the mask layer on the replica layer

- {

- scoped_ptr<CCLayerImpl> replicaMaskLayer = CCLayerImpl::create(7);

- replicaMaskLayer->setPosition(FloatPoint::zero());

- replicaMaskLayer->setAnchorPoint(FloatPoint::zero());

- replicaMaskLayer->setBounds(grandChild1->bounds());

- replicaMaskLayer->setContentBounds(grandChild1->bounds());

- grandChild1Replica->setMaskLayer(replicaMaskLayer.Pass());

- }

- CCLayerImpl* replicaMaskLayer = grandChild1Replica->maskLayer();

- emulateDrawingOneFrame(root.get());

- // Sanity check that the appropriate render surfaces were created

- ASSERT_TRUE(grandChild1->renderSurface());

- // CASE 1: a property change on the mask should damage only the reflected region on the target surface.

- clearDamageForAllSurfaces(root.get());

- replicaMaskLayer->setStackingOrderChanged(true);

- emulateDrawingOneFrame(root.get());

- FloatRect grandChildDamageRect = grandChild1->renderSurface()->damageTracker()->currentDamageRect();

- FloatRect childDamageRect = child1->renderSurface()->damageTracker()->currentDamageRect();

- EXPECT_TRUE(grandChildDamageRect.isEmpty());

- EXPECT_FLOAT_RECT_EQ(FloatRect(194, 200, 6, 8), childDamageRect);

- // CASE 2: removing the replica mask damages only the reflected region on the target surface.

- //

- clearDamageForAllSurfaces(root.get());

- grandChild1Replica->setMaskLayer(scoped_ptr<CCLayerImpl>());

- emulateDrawingOneFrame(root.get());

- grandChildDamageRect = grandChild1->renderSurface()->damageTracker()->currentDamageRect();

- childDamageRect = child1->renderSurface()->damageTracker()->currentDamageRect();

- EXPECT_TRUE(grandChildDamageRect.isEmpty());

- EXPECT_FLOAT_RECT_EQ(FloatRect(194, 200, 6, 8), childDamageRect);

-TEST_F(CCDamageTrackerTest, verifyDamageForReplicaMaskWithAnchor)

- scoped_ptr<CCLayerImpl> root = createAndSetUpTestTreeWithTwoSurfaces();

- CCLayerImpl* child1 = root->children()[0];

- CCLayerImpl* grandChild1 = child1->children()[0];

- // Verify that the correct replicaOriginTransform is used for the replicaMask;

- clearDamageForAllSurfaces(root.get());

- grandChild1->setAnchorPoint(FloatPoint(1, 0)); // This is not exactly the anchor being tested, but by convention its expected to be the same as the replica's anchor point.

- {

- scoped_ptr<CCLayerImpl> grandChild1Replica = CCLayerImpl::create(6);

- grandChild1Replica->setPosition(FloatPoint::zero());

- grandChild1Replica->setAnchorPoint(FloatPoint(1, 0)); // This is the anchor being tested.

- WebTransformationMatrix reflection;

- reflection.scale3d(-1, 1, 1);

- grandChild1Replica->setTransform(reflection);

- grandChild1->setReplicaLayer(grandChild1Replica.Pass());

- }

- CCLayerImpl* grandChild1Replica = grandChild1->replicaLayer();

- // Set up the mask layer on the replica layer

- {

- scoped_ptr<CCLayerImpl> replicaMaskLayer = CCLayerImpl::create(7);

- replicaMaskLayer->setPosition(FloatPoint::zero());

- replicaMaskLayer->setAnchorPoint(FloatPoint::zero()); // note, this is not the anchor being tested.

- replicaMaskLayer->setBounds(grandChild1->bounds());

- replicaMaskLayer->setContentBounds(grandChild1->bounds());

- grandChild1Replica->setMaskLayer(replicaMaskLayer.Pass());

- }

- CCLayerImpl* replicaMaskLayer = grandChild1Replica->maskLayer();

- emulateDrawingOneFrame(root.get());

- // Sanity check that the appropriate render surfaces were created

- ASSERT_TRUE(grandChild1->renderSurface());

- // A property change on the replicaMask should damage the reflected region on the target surface.

- clearDamageForAllSurfaces(root.get());

- replicaMaskLayer->setStackingOrderChanged(true);

- emulateDrawingOneFrame(root.get());

- FloatRect childDamageRect = child1->renderSurface()->damageTracker()->currentDamageRect();

- EXPECT_FLOAT_RECT_EQ(FloatRect(206, 200, 6, 8), childDamageRect);

-TEST_F(CCDamageTrackerTest, verifyDamageWhenForcedFullDamage)

- scoped_ptr<CCLayerImpl> root = createAndSetUpTestTreeWithOneSurface();

- CCLayerImpl* child = root->children()[0];

- // Case 1: This test ensures that when the tracker is forced to have full damage, that

- // it takes priority over any other partial damage.

- //

- clearDamageForAllSurfaces(root.get());

- child->setUpdateRect(FloatRect(10, 11, 12, 13));

- root->renderSurface()->damageTracker()->forceFullDamageNextUpdate();

- emulateDrawingOneFrame(root.get());

- FloatRect rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- EXPECT_FLOAT_RECT_EQ(FloatRect(0, 0, 500, 500), rootDamageRect);

- // Case 2: An additional sanity check that forcing full damage works even when nothing

- // on the layer tree changed.

- //

- clearDamageForAllSurfaces(root.get());

- root->renderSurface()->damageTracker()->forceFullDamageNextUpdate();

- emulateDrawingOneFrame(root.get());

- rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- EXPECT_FLOAT_RECT_EQ(FloatRect(0, 0, 500, 500), rootDamageRect);

-TEST_F(CCDamageTrackerTest, verifyDamageForEmptyLayerList)

- // Though it should never happen, its a good idea to verify that the damage tracker

- // does not crash when it receives an empty layerList.

- scoped_ptr<CCLayerImpl> root = CCLayerImpl::create(1);

- root->createRenderSurface();

- ASSERT_TRUE(root == root->renderTarget());

- CCRenderSurface* targetSurface = root->renderSurface();

- targetSurface->clearLayerLists();

- targetSurface->damageTracker()->updateDamageTrackingState(targetSurface->layerList(), targetSurface->owningLayerId(), false, IntRect(), 0, WebFilterOperations());

- FloatRect damageRect = targetSurface->damageTracker()->currentDamageRect();

- EXPECT_TRUE(damageRect.isEmpty());

-TEST_F(CCDamageTrackerTest, verifyDamageAccumulatesUntilReset)

- // If damage is not cleared, it should accumulate.

- scoped_ptr<CCLayerImpl> root = createAndSetUpTestTreeWithOneSurface();

- CCLayerImpl* child = root->children()[0];

- clearDamageForAllSurfaces(root.get());

- child->setUpdateRect(FloatRect(10, 11, 1, 2));

- emulateDrawingOneFrame(root.get());

- // Sanity check damage after the first frame; this isnt the actual test yet.

- FloatRect rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- EXPECT_FLOAT_RECT_EQ(FloatRect(110, 111, 1, 2), rootDamageRect);

- // New damage, without having cleared the previous damage, should be unioned to the previous one.

- child->setUpdateRect(FloatRect(20, 25, 1, 2));

- emulateDrawingOneFrame(root.get());

- rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- EXPECT_FLOAT_RECT_EQ(FloatRect(110, 111, 11, 16), rootDamageRect);

- // If we notify the damage tracker that we drew the damaged area, then damage should be emptied.

- root->renderSurface()->damageTracker()->didDrawDamagedArea();

- rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- EXPECT_TRUE(rootDamageRect.isEmpty());

- // Damage should remain empty even after one frame, since there's yet no new damage

- emulateDrawingOneFrame(root.get());

- rootDamageRect = root->renderSurface()->damageTracker()->currentDamageRect();

- EXPECT_TRUE(rootDamageRect.isEmpty());

-} // namespace

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