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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "cc/trees/layer_tree_host.h"
#include "base/test/scoped_feature_list.h"
#include "cc/layers/layer.h"
#include "cc/layers/picture_layer.h"
#include "cc/test/fake_content_layer_client.h"
#include "cc/test/layer_test_common.h"
#include "cc/test/layer_tree_test.h"
#include "cc/trees/layer_tree_impl.h"
#include "components/viz/common/features.h"
namespace cc {
namespace {
#define EXPECT_OCCLUSION_EQ(expected, actual) \
EXPECT_TRUE(expected.IsEqual(actual)) \
<< " Expected: " << expected.ToString() << std::endl \
<< " Actual: " << actual.ToString();
class LayerTreeHostOcclusionTest : public LayerTreeTest {
protected:
void InitializeSettings(LayerTreeSettings* settings) override {
scoped_feature_list_.InitAndDisableFeature(
features::kAllowUndamagedNonrootRenderPassToSkip);
settings->minimum_occlusion_tracking_size = gfx::Size();
}
base::test::ScopedFeatureList scoped_feature_list_;
};
// Verify occlusion is set on the layer draw properties.
class LayerTreeHostOcclusionTestDrawPropertiesOnLayer
: public LayerTreeHostOcclusionTest {
public:
void SetupTree() override {
scoped_refptr<Layer> root = Layer::Create();
root->SetBounds(gfx::Size(100, 100));
root->SetIsDrawable(true);
child_ = Layer::Create();
child_->SetBounds(gfx::Size(50, 60));
child_->SetPosition(gfx::PointF(10.f, 5.5f));
child_->SetContentsOpaque(true);
child_->SetIsDrawable(true);
root->AddChild(child_);
layer_tree_host()->SetRootLayer(root);
LayerTreeTest::SetupTree();
}
void BeginTest() override { PostSetNeedsCommitToMainThread(); }
void DrawLayersOnThread(LayerTreeHostImpl* impl) override {
LayerImpl* root = impl->active_tree()->root_layer();
LayerImpl* child = impl->active_tree()->LayerById(child_->id());
// Verify the draw properties are valid.
EXPECT_TRUE(root->contributes_to_drawn_render_surface());
EXPECT_TRUE(child->contributes_to_drawn_render_surface());
EXPECT_OCCLUSION_EQ(
Occlusion(child->DrawTransform(), SimpleEnclosedRegion(),
SimpleEnclosedRegion()),
child->draw_properties().occlusion_in_content_space);
EXPECT_OCCLUSION_EQ(
Occlusion(root->DrawTransform(), SimpleEnclosedRegion(),
SimpleEnclosedRegion(gfx::Rect(10, 6, 50, 59))),
root->draw_properties().occlusion_in_content_space);
EndTest();
}
private:
scoped_refptr<Layer> child_;
};
SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeHostOcclusionTestDrawPropertiesOnLayer);
// Verify occlusion is set on the render surfaces.
class LayerTreeHostOcclusionTestDrawPropertiesOnSurface
: public LayerTreeHostOcclusionTest {
public:
void SetupTree() override {
scoped_refptr<Layer> root = Layer::Create();
root->SetBounds(gfx::Size(100, 100));
root->SetIsDrawable(true);
child_ = Layer::Create();
child_->SetBounds(gfx::Size(1, 1));
child_->SetPosition(gfx::PointF(10.f, 5.5f));
child_->SetIsDrawable(true);
child_->SetForceRenderSurfaceForTesting(true);
root->AddChild(child_);
scoped_refptr<Layer> child2 = Layer::Create();
child2->SetBounds(gfx::Size(10, 12));
child2->SetPosition(gfx::PointF(13.f, 8.5f));
child2->SetContentsOpaque(true);
child2->SetIsDrawable(true);
root->AddChild(child2);
layer_tree_host()->SetRootLayer(root);
LayerTreeTest::SetupTree();
}
void BeginTest() override { PostSetNeedsCommitToMainThread(); }
void DrawLayersOnThread(LayerTreeHostImpl* impl) override {
LayerImpl* root = impl->active_tree()->root_layer();
LayerImpl* child = impl->active_tree()->LayerById(child_->id());
RenderSurfaceImpl* surface = GetRenderSurface(child);
// Verify the draw properties are valid.
EXPECT_TRUE(root->contributes_to_drawn_render_surface());
EXPECT_TRUE(child->contributes_to_drawn_render_surface());
EXPECT_TRUE(GetRenderSurface(child));
EXPECT_EQ(GetRenderSurface(child), child->render_target());
// Use the original draw transform before pixel alignment.
gfx::Transform transform = surface->draw_transform();
transform.Translate(surface->pixel_alignment_offset());
EXPECT_OCCLUSION_EQ(
Occlusion(transform, SimpleEnclosedRegion(),
SimpleEnclosedRegion(gfx::Rect(13, 9, 10, 11))),
surface->occlusion_in_content_space());
EndTest();
}
private:
scoped_refptr<Layer> child_;
};
SINGLE_AND_MULTI_THREAD_TEST_F(
LayerTreeHostOcclusionTestDrawPropertiesOnSurface);
// Verify occlusion is set on mask layers.
class LayerTreeHostOcclusionTestDrawPropertiesOnMask
: public LayerTreeHostOcclusionTest {
public:
void SetupTree() override {
scoped_refptr<Layer> root = Layer::Create();
root->SetBounds(gfx::Size(100, 100));
root->SetIsDrawable(true);
child_ = Layer::Create();
child_->SetBounds(gfx::Size(30, 40));
child_->SetPosition(gfx::PointF(10.f, 5.5f));
child_->SetIsDrawable(true);
root->AddChild(child_);
scoped_refptr<Layer> make_surface_bigger = Layer::Create();
make_surface_bigger->SetBounds(gfx::Size(100, 100));
make_surface_bigger->SetPosition(gfx::PointF(-10.f, -15.f));
make_surface_bigger->SetIsDrawable(true);
child_->AddChild(make_surface_bigger);
mask_ = PictureLayer::Create(&client_);
mask_->SetBounds(gfx::Size(30, 40));
mask_->SetIsDrawable(true);
child_->SetMaskLayer(mask_);
scoped_refptr<Layer> child2 = Layer::Create();
child2->SetBounds(gfx::Size(10, 12));
child2->SetPosition(gfx::PointF(13.f, 8.5f));
child2->SetContentsOpaque(true);
child2->SetIsDrawable(true);
root->AddChild(child2);
layer_tree_host()->SetRootLayer(root);
LayerTreeTest::SetupTree();
client_.set_bounds(root->bounds());
}
void BeginTest() override { PostSetNeedsCommitToMainThread(); }
void DrawLayersOnThread(LayerTreeHostImpl* impl) override {
LayerImpl* root = impl->active_tree()->root_layer();
LayerImpl* child = impl->active_tree()->LayerById(child_->id());
RenderSurfaceImpl* child_surface = GetRenderSurface(child);
LayerImpl* mask = impl->active_tree()->LayerById(mask_->id());
RenderSurfaceImpl* mask_surface = GetRenderSurface(mask);
// Verify the draw properties are valid.
EXPECT_TRUE(root->contributes_to_drawn_render_surface());
EXPECT_TRUE(child->contributes_to_drawn_render_surface());
EXPECT_TRUE(mask->contributes_to_drawn_render_surface());
EXPECT_TRUE(child_surface);
EXPECT_EQ(child_surface, child->render_target());
gfx::Transform transform = child_surface->draw_transform();
transform.PreConcat(child->DrawTransform());
EXPECT_OCCLUSION_EQ(
Occlusion(transform, SimpleEnclosedRegion(),
SimpleEnclosedRegion(gfx::Rect(13, 9, 10, 11))),
child_surface->occlusion_in_content_space());
// Mask layer has its own transform and render surface in layer tree mode.
EXPECT_NE(child_surface, mask_surface);
EXPECT_OCCLUSION_EQ(
Occlusion(transform, SimpleEnclosedRegion(),
SimpleEnclosedRegion(gfx::Rect(13, 9, 10, 11))),
mask_surface->occlusion_in_content_space());
EXPECT_OCCLUSION_EQ(Occlusion(mask->DrawTransform(),
SimpleEnclosedRegion(gfx::Rect(3, 4, 10, 10)),
SimpleEnclosedRegion()),
mask->draw_properties().occlusion_in_content_space);
EndTest();
}
private:
FakeContentLayerClient client_;
scoped_refptr<Layer> child_;
scoped_refptr<PictureLayer> mask_;
};
SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeHostOcclusionTestDrawPropertiesOnMask);
// Verify occlusion is correctly set on scaled mask layers.
class LayerTreeHostOcclusionTestDrawPropertiesOnScaledMask
: public LayerTreeHostOcclusionTest {
public:
void SetupTree() override {
scoped_refptr<Layer> root = Layer::Create();
root->SetBounds(gfx::Size(100, 100));
root->SetIsDrawable(true);
gfx::Transform scale;
scale.Scale(2, 2);
scoped_refptr<Layer> child = Layer::Create();
child->SetBounds(gfx::Size(30, 40));
child->SetTransform(scale);
root->AddChild(child);
scoped_refptr<Layer> grand_child = Layer::Create();
grand_child->SetBounds(gfx::Size(100, 100));
grand_child->SetPosition(gfx::PointF(-10.f, -15.f));
grand_child->SetIsDrawable(true);
child->AddChild(grand_child);
mask_ = PictureLayer::Create(&client_);
mask_->SetBounds(gfx::Size(30, 40));
mask_->SetIsDrawable(true);
child->SetMaskLayer(mask_);
scoped_refptr<Layer> child2 = Layer::Create();
child2->SetBounds(gfx::Size(10, 11));
child2->SetPosition(gfx::PointF(13.f, 15.f));
child2->SetContentsOpaque(true);
child2->SetIsDrawable(true);
root->AddChild(child2);
layer_tree_host()->SetRootLayer(root);
LayerTreeTest::SetupTree();
client_.set_bounds(root->bounds());
}
void BeginTest() override { PostSetNeedsCommitToMainThread(); }
void DrawLayersOnThread(LayerTreeHostImpl* impl) override {
LayerImpl* mask = impl->active_tree()->LayerById(mask_->id());
gfx::Transform scale;
scale.Scale(2, 2);
EXPECT_OCCLUSION_EQ(
Occlusion(scale, SimpleEnclosedRegion(gfx::Rect(13, 15, 10, 11)),
SimpleEnclosedRegion()),
mask->draw_properties().occlusion_in_content_space);
EndTest();
}
private:
FakeContentLayerClient client_;
scoped_refptr<PictureLayer> mask_;
};
SINGLE_AND_MULTI_THREAD_TEST_F(
LayerTreeHostOcclusionTestDrawPropertiesOnScaledMask);
} // namespace
} // namespace cc
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