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// Copyright 2013 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/layers/picture_layer.h"
#include "base/thread_task_runner_handle.h"
#include "cc/layers/content_layer_client.h"
#include "cc/layers/picture_layer_impl.h"
#include "cc/test/fake_layer_tree_host.h"
#include "cc/test/fake_picture_layer.h"
#include "cc/test/fake_picture_layer_impl.h"
#include "cc/test/fake_proxy.h"
#include "cc/test/test_shared_bitmap_manager.h"
#include "cc/test/test_task_graph_runner.h"
#include "cc/trees/single_thread_proxy.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace cc {
namespace {
class MockContentLayerClient : public ContentLayerClient {
public:
void PaintContents(SkCanvas* canvas,
const gfx::Rect& clip,
PaintingControlSetting picture_control) override {}
scoped_refptr<DisplayItemList> PaintContentsToDisplayList(
const gfx::Rect& clip,
PaintingControlSetting picture_control) override {
return DisplayItemList::Create(clip, false);
}
bool FillsBoundsCompletely() const override { return false; };
size_t GetApproximateUnsharedMemoryUsage() const override { return 0; }
};
TEST(PictureLayerTest, NoTilesIfEmptyBounds) {
MockContentLayerClient client;
scoped_refptr<PictureLayer> layer =
PictureLayer::Create(LayerSettings(), &client);
layer->SetBounds(gfx::Size(10, 10));
FakeLayerTreeHostClient host_client(FakeLayerTreeHostClient::DIRECT_3D);
TestTaskGraphRunner task_graph_runner;
scoped_ptr<FakeLayerTreeHost> host =
FakeLayerTreeHost::Create(&host_client, &task_graph_runner);
host->SetRootLayer(layer);
layer->SetIsDrawable(true);
layer->SavePaintProperties();
layer->Update();
EXPECT_EQ(0, host->source_frame_number());
host->CommitComplete();
EXPECT_EQ(1, host->source_frame_number());
layer->SetBounds(gfx::Size(0, 0));
layer->SavePaintProperties();
// Intentionally skipping Update since it would normally be skipped on
// a layer with empty bounds.
FakeProxy proxy;
{
DebugScopedSetImplThread impl_thread(&proxy);
TestSharedBitmapManager shared_bitmap_manager;
FakeLayerTreeHostImpl host_impl(LayerTreeSettings(), &proxy,
&shared_bitmap_manager, &task_graph_runner);
host_impl.CreatePendingTree();
scoped_ptr<FakePictureLayerImpl> layer_impl =
FakePictureLayerImpl::Create(host_impl.pending_tree(), 1);
layer->PushPropertiesTo(layer_impl.get());
EXPECT_FALSE(layer_impl->CanHaveTilings());
EXPECT_TRUE(layer_impl->bounds() == gfx::Size(0, 0));
EXPECT_EQ(gfx::Size(), layer_impl->raster_source()->GetSize());
EXPECT_FALSE(layer_impl->raster_source()->HasRecordings());
}
}
TEST(PictureLayerTest, SuitableForGpuRasterization) {
MockContentLayerClient client;
scoped_refptr<PictureLayer> layer =
PictureLayer::Create(LayerSettings(), &client);
FakeLayerTreeHostClient host_client(FakeLayerTreeHostClient::DIRECT_3D);
TestTaskGraphRunner task_graph_runner;
scoped_ptr<FakeLayerTreeHost> host =
FakeLayerTreeHost::Create(&host_client, &task_graph_runner);
host->SetRootLayer(layer);
RecordingSource* recording_source = layer->GetRecordingSourceForTesting();
// Layer is suitable for gpu rasterization by default.
EXPECT_TRUE(recording_source->IsSuitableForGpuRasterization());
EXPECT_TRUE(layer->IsSuitableForGpuRasterization());
// Veto gpu rasterization.
recording_source->SetUnsuitableForGpuRasterizationForTesting();
EXPECT_FALSE(recording_source->IsSuitableForGpuRasterization());
EXPECT_FALSE(layer->IsSuitableForGpuRasterization());
}
// PicturePile uses the source frame number as a unit for measuring invalidation
// frequency. When a pile moves between compositors, the frame number increases
// non-monotonically. This executes that code path under this scenario allowing
// for the code to verify correctness with DCHECKs.
TEST(PictureLayerTest, NonMonotonicSourceFrameNumber) {
LayerTreeSettings settings;
settings.single_thread_proxy_scheduler = false;
settings.use_zero_copy = true;
FakeLayerTreeHostClient host_client1(FakeLayerTreeHostClient::DIRECT_3D);
FakeLayerTreeHostClient host_client2(FakeLayerTreeHostClient::DIRECT_3D);
TestSharedBitmapManager shared_bitmap_manager;
TestTaskGraphRunner task_graph_runner;
MockContentLayerClient client;
scoped_refptr<FakePictureLayer> layer =
FakePictureLayer::Create(LayerSettings(), &client);
LayerTreeHost::InitParams params;
params.client = &host_client1;
params.shared_bitmap_manager = &shared_bitmap_manager;
params.settings = &settings;
params.task_graph_runner = &task_graph_runner;
params.main_task_runner = base::ThreadTaskRunnerHandle::Get();
scoped_ptr<LayerTreeHost> host1 =
LayerTreeHost::CreateSingleThreaded(&host_client1, ¶ms);
host_client1.SetLayerTreeHost(host1.get());
params.client = &host_client2;
scoped_ptr<LayerTreeHost> host2 =
LayerTreeHost::CreateSingleThreaded(&host_client2, ¶ms);
host_client2.SetLayerTreeHost(host2.get());
// The PictureLayer is put in one LayerTreeHost.
host1->SetRootLayer(layer);
// Do a main frame, record the picture layers.
EXPECT_EQ(0, layer->update_count());
layer->SetNeedsDisplay();
host1->Composite(base::TimeTicks::Now());
EXPECT_EQ(1, layer->update_count());
EXPECT_EQ(1, host1->source_frame_number());
// The source frame number in |host1| is now higher than host2.
layer->SetNeedsDisplay();
host1->Composite(base::TimeTicks::Now());
EXPECT_EQ(2, layer->update_count());
EXPECT_EQ(2, host1->source_frame_number());
// Then moved to another LayerTreeHost.
host1->SetRootLayer(nullptr);
host2->SetRootLayer(layer);
// Do a main frame, record the picture layers. The frame number has changed
// non-monotonically.
layer->SetNeedsDisplay();
host2->Composite(base::TimeTicks::Now());
EXPECT_EQ(3, layer->update_count());
EXPECT_EQ(1, host2->source_frame_number());
}
} // namespace
} // namespace cc
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