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// 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_impl.h"
#include "cc/layer_tree_impl.h"
#include "cc/single_thread_proxy.h"
#include "cc/test/fake_impl_proxy.h"
#include "cc/test/fake_layer_tree_host_impl.h"
#include "cc/test/fake_output_surface.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/WebKit/Source/Platform/chromium/public/WebFilterOperation.h"
#include "third_party/WebKit/Source/Platform/chromium/public/WebFilterOperations.h"
#include "third_party/skia/include/effects/SkBlurImageFilter.h"
using namespace WebKit;
namespace cc {
namespace {
#define EXECUTE_AND_VERIFY_SUBTREE_CHANGED(codeToTest) \
root->ResetAllChangeTrackingForSubtree(); \
codeToTest; \
EXPECT_TRUE(root->LayerPropertyChanged()); \
EXPECT_TRUE(child->LayerPropertyChanged()); \
EXPECT_TRUE(grandChild->LayerPropertyChanged()); \
EXPECT_FALSE(root->LayerSurfacePropertyChanged())
#define EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(codeToTest) \
root->ResetAllChangeTrackingForSubtree(); \
codeToTest; \
EXPECT_FALSE(root->LayerPropertyChanged()); \
EXPECT_FALSE(child->LayerPropertyChanged()); \
EXPECT_FALSE(grandChild->LayerPropertyChanged()); \
EXPECT_FALSE(root->LayerSurfacePropertyChanged())
#define EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(codeToTest) \
root->ResetAllChangeTrackingForSubtree(); \
codeToTest; \
EXPECT_TRUE(root->LayerPropertyChanged()); \
EXPECT_FALSE(child->LayerPropertyChanged()); \
EXPECT_FALSE(grandChild->LayerPropertyChanged()); \
EXPECT_FALSE(root->LayerSurfacePropertyChanged())
#define EXECUTE_AND_VERIFY_ONLY_SURFACE_CHANGED(codeToTest) \
root->ResetAllChangeTrackingForSubtree(); \
codeToTest; \
EXPECT_FALSE(root->LayerPropertyChanged()); \
EXPECT_FALSE(child->LayerPropertyChanged()); \
EXPECT_FALSE(grandChild->LayerPropertyChanged()); \
EXPECT_TRUE(root->LayerSurfacePropertyChanged())
#define VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(codeToTest) \
root->ResetAllChangeTrackingForSubtree(); \
hostImpl.ForcePrepareToDraw(); \
EXPECT_FALSE(hostImpl.active_tree()->needs_update_draw_properties()); \
codeToTest; \
EXPECT_TRUE(hostImpl.active_tree()->needs_update_draw_properties());
#define VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(codeToTest) \
root->ResetAllChangeTrackingForSubtree(); \
hostImpl.ForcePrepareToDraw(); \
EXPECT_FALSE(hostImpl.active_tree()->needs_update_draw_properties()); \
codeToTest; \
EXPECT_FALSE(hostImpl.active_tree()->needs_update_draw_properties());
TEST(LayerImplTest, verifyLayerChangesAreTrackedProperly)
{
//
// This test checks that layerPropertyChanged() has the correct behavior.
//
// The constructor on this will fake that we are on the correct thread.
// Create a simple LayerImpl tree:
FakeImplProxy proxy;
FakeLayerTreeHostImpl hostImpl(&proxy);
EXPECT_TRUE(hostImpl.InitializeRenderer(createFakeOutputSurface()));
scoped_ptr<LayerImpl> root = LayerImpl::Create(hostImpl.active_tree(), 1);
root->AddChild(LayerImpl::Create(hostImpl.active_tree(), 2));
LayerImpl* child = root->children()[0];
child->AddChild(LayerImpl::Create(hostImpl.active_tree(), 3));
LayerImpl* grandChild = child->children()[0];
// Adding children is an internal operation and should not mark layers as changed.
EXPECT_FALSE(root->LayerPropertyChanged());
EXPECT_FALSE(child->LayerPropertyChanged());
EXPECT_FALSE(grandChild->LayerPropertyChanged());
gfx::PointF arbitraryPointF = gfx::PointF(0.125f, 0.25f);
float arbitraryNumber = 0.352f;
gfx::Size arbitrarySize = gfx::Size(111, 222);
gfx::Point arbitraryPoint = gfx::Point(333, 444);
gfx::Vector2d arbitraryVector2d = gfx::Vector2d(111, 222);
gfx::Rect arbitraryRect = gfx::Rect(arbitraryPoint, arbitrarySize);
gfx::RectF arbitraryRectF = gfx::RectF(arbitraryPointF, gfx::SizeF(1.234f, 5.678f));
SkColor arbitraryColor = SkColorSetRGB(10, 20, 30);
gfx::Transform arbitraryTransform;
arbitraryTransform.Scale3d(0.1, 0.2, 0.3);
WebFilterOperations arbitraryFilters;
arbitraryFilters.append(WebFilterOperation::createOpacityFilter(0.5));
skia::RefPtr<SkImageFilter> arbitraryFilter = skia::AdoptRef(new SkBlurImageFilter(SK_Scalar1, SK_Scalar1));
// These properties are internal, and should not be considered "change" when they are used.
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->set_update_rect(arbitraryRectF));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetMaxScrollOffset(arbitraryVector2d));
// Changing these properties affects the entire subtree of layers.
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetAnchorPoint(arbitraryPointF));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetAnchorPointZ(arbitraryNumber));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetFilters(arbitraryFilters));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetFilters(WebFilterOperations()));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetFilter(arbitraryFilter));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetMaskLayer(LayerImpl::Create(hostImpl.active_tree(), 4)));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetMasksToBounds(true));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetContentsOpaque(true));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetReplicaLayer(LayerImpl::Create(hostImpl.active_tree(), 5)));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetPosition(arbitraryPointF));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetPreserves3d(true));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetDoubleSided(false)); // constructor initializes it to "true".
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->ScrollBy(arbitraryVector2d));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetScrollDelta(gfx::Vector2d()));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetScrollOffset(arbitraryVector2d));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetImplTransform(arbitraryTransform));
// Changing these properties only affects the layer itself.
EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->SetContentBounds(arbitrarySize));
EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->SetContentsScale(arbitraryNumber, arbitraryNumber));
EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->SetDrawsContent(true));
EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->SetBackgroundColor(SK_ColorGRAY));
EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->SetBackgroundFilters(arbitraryFilters));
// Changing these properties only affects how render surface is drawn
EXECUTE_AND_VERIFY_ONLY_SURFACE_CHANGED(root->SetOpacity(arbitraryNumber));
EXECUTE_AND_VERIFY_ONLY_SURFACE_CHANGED(root->SetTransform(arbitraryTransform));
// Special case: check that sublayer transform changes all layer's descendants, but not the layer itself.
root->ResetAllChangeTrackingForSubtree();
root->SetSublayerTransform(arbitraryTransform);
EXPECT_FALSE(root->LayerPropertyChanged());
EXPECT_TRUE(child->LayerPropertyChanged());
EXPECT_TRUE(grandChild->LayerPropertyChanged());
// Special case: check that setBounds changes behavior depending on masksToBounds.
root->SetMasksToBounds(false);
EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->SetBounds(gfx::Size(135, 246)));
root->SetMasksToBounds(true);
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetBounds(arbitrarySize)); // should be a different size than previous call, to ensure it marks tree changed.
// After setting all these properties already, setting to the exact same values again should
// not cause any change.
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetAnchorPoint(arbitraryPointF));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetAnchorPointZ(arbitraryNumber));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetMasksToBounds(true));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetPosition(arbitraryPointF));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetPreserves3d(true));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetTransform(arbitraryTransform));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetDoubleSided(false)); // constructor initializes it to "true".
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetScrollDelta(gfx::Vector2d()));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetScrollOffset(arbitraryVector2d));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetImplTransform(arbitraryTransform));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetContentBounds(arbitrarySize));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetContentsScale(arbitraryNumber, arbitraryNumber));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetContentsOpaque(true));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetOpacity(arbitraryNumber));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetDrawsContent(true));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetSublayerTransform(arbitraryTransform));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetBounds(arbitrarySize));
}
TEST(LayerImplTest, VerifyNeedsUpdateDrawProperties)
{
FakeImplProxy proxy;
FakeLayerTreeHostImpl hostImpl(&proxy);
EXPECT_TRUE(hostImpl.InitializeRenderer(createFakeOutputSurface()));
scoped_ptr<LayerImpl> root = LayerImpl::Create(hostImpl.active_tree(), 1);
gfx::PointF arbitraryPointF = gfx::PointF(0.125f, 0.25f);
float arbitraryNumber = 0.352f;
gfx::Size arbitrarySize = gfx::Size(111, 222);
gfx::Point arbitraryPoint = gfx::Point(333, 444);
gfx::Vector2d arbitraryVector2d = gfx::Vector2d(111, 222);
gfx::Vector2d largeVector2d = gfx::Vector2d(1000, 1000);
gfx::Rect arbitraryRect = gfx::Rect(arbitraryPoint, arbitrarySize);
gfx::RectF arbitraryRectF = gfx::RectF(arbitraryPointF, gfx::SizeF(1.234f, 5.678f));
SkColor arbitraryColor = SkColorSetRGB(10, 20, 30);
gfx::Transform arbitraryTransform;
arbitraryTransform.Scale3d(0.1, 0.2, 0.3);
WebFilterOperations arbitraryFilters;
arbitraryFilters.append(WebFilterOperation::createOpacityFilter(0.5));
skia::RefPtr<SkImageFilter> arbitraryFilter = skia::AdoptRef(new SkBlurImageFilter(SK_Scalar1, SK_Scalar1));
// Related filter functions.
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetFilters(arbitraryFilters));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetFilters(arbitraryFilters));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetFilters(WebFilterOperations()));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetFilter(arbitraryFilter));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetFilter(arbitraryFilter));
// Related scrolling functions.
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetMaxScrollOffset(largeVector2d));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetMaxScrollOffset(largeVector2d));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->ScrollBy(arbitraryVector2d));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(root->ScrollBy(gfx::Vector2d()));
root->SetScrollDelta(gfx::Vector2d(0, 0));
hostImpl.ForcePrepareToDraw();
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetScrollDelta(arbitraryVector2d));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetScrollDelta(arbitraryVector2d));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetScrollOffset(arbitraryVector2d));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetScrollOffset(arbitraryVector2d));
// Unrelated functions, always set to new values, always set needs update.
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetAnchorPointZ(arbitraryNumber));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetMaskLayer(LayerImpl::Create(hostImpl.active_tree(), 4)));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetMasksToBounds(true));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetContentsOpaque(true));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetReplicaLayer(LayerImpl::Create(hostImpl.active_tree(), 5)));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetPosition(arbitraryPointF));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetPreserves3d(true));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetDoubleSided(false)); // constructor initializes it to "true".
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetImplTransform(arbitraryTransform));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetContentBounds(arbitrarySize));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetContentsScale(arbitraryNumber, arbitraryNumber));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetDrawsContent(true));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetBackgroundColor(SK_ColorGRAY));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetBackgroundFilters(arbitraryFilters));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetOpacity(arbitraryNumber));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetTransform(arbitraryTransform));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetSublayerTransform(arbitraryTransform));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetBounds(arbitrarySize));
// Unrelated functions, set to the same values, no needs update.
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetAnchorPointZ(arbitraryNumber));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetFilter(arbitraryFilter));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetMasksToBounds(true));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetContentsOpaque(true));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetPosition(arbitraryPointF));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetPreserves3d(true));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetDoubleSided(false)); // constructor initializes it to "true".
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetImplTransform(arbitraryTransform));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetContentBounds(arbitrarySize));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetContentsScale(arbitraryNumber, arbitraryNumber));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetDrawsContent(true));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetBackgroundColor(SK_ColorGRAY));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetBackgroundFilters(arbitraryFilters));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetOpacity(arbitraryNumber));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetTransform(arbitraryTransform));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetSublayerTransform(arbitraryTransform));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetBounds(arbitrarySize));
}
} // namespace
} // namespace cc
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