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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/layer.h"
#include "cc/debug/lap_timer.h"
#include "cc/resources/layer_painter.h"
#include "cc/test/fake_impl_proxy.h"
#include "cc/test/fake_layer_tree_host.h"
#include "cc/test/fake_layer_tree_host_client.h"
#include "cc/test/fake_layer_tree_host_impl.h"
#include "cc/test/test_task_graph_runner.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/perf/perf_test.h"
namespace cc {
namespace {
static const int kTimeLimitMillis = 3000;
static const int kWarmupRuns = 5;
static const int kTimeCheckInterval = 10;
class MockLayerPainter : public LayerPainter {
public:
void Paint(SkCanvas* canvas, const gfx::Rect& content_rect) override {}
};
class LayerPerfTest : public testing::Test {
public:
LayerPerfTest()
: host_impl_(&proxy_, &shared_bitmap_manager_, &task_graph_runner_),
fake_client_(FakeLayerTreeHostClient::DIRECT_3D),
timer_(kWarmupRuns,
base::TimeDelta::FromMilliseconds(kTimeLimitMillis),
kTimeCheckInterval) {}
protected:
void SetUp() override {
layer_tree_host_ = FakeLayerTreeHost::Create(&fake_client_);
layer_tree_host_->InitializeSingleThreaded(
&fake_client_, base::MessageLoopProxy::current(), nullptr);
}
void TearDown() override {
layer_tree_host_->SetRootLayer(nullptr);
layer_tree_host_ = nullptr;
}
FakeImplProxy proxy_;
TestSharedBitmapManager shared_bitmap_manager_;
TestTaskGraphRunner task_graph_runner_;
FakeLayerTreeHostImpl host_impl_;
FakeLayerTreeHostClient fake_client_;
scoped_ptr<FakeLayerTreeHost> layer_tree_host_;
LapTimer timer_;
};
TEST_F(LayerPerfTest, PushPropertiesTo) {
scoped_refptr<Layer> test_layer = Layer::Create();
scoped_ptr<LayerImpl> impl_layer =
LayerImpl::Create(host_impl_.active_tree(), 1);
layer_tree_host_->SetRootLayer(test_layer);
float transform_origin_z = 0;
bool scrollable = true;
bool contents_opaque = true;
bool double_sided = true;
bool hide_layer_and_subtree = true;
bool masks_to_bounds = true;
// Properties changed.
timer_.Reset();
do {
test_layer->SetNeedsDisplayRect(gfx::Rect(5, 5));
test_layer->SetTransformOrigin(gfx::Point3F(0.f, 0.f, transform_origin_z));
test_layer->SetContentsOpaque(contents_opaque);
test_layer->SetDoubleSided(double_sided);
test_layer->SetHideLayerAndSubtree(hide_layer_and_subtree);
test_layer->SetMasksToBounds(masks_to_bounds);
test_layer->SetScrollClipLayerId(scrollable ? test_layer->id()
: Layer::INVALID_ID);
test_layer->PushPropertiesTo(impl_layer.get());
transform_origin_z += 0.01f;
scrollable = !scrollable;
contents_opaque = !contents_opaque;
double_sided = !double_sided;
hide_layer_and_subtree = !hide_layer_and_subtree;
masks_to_bounds = !masks_to_bounds;
timer_.NextLap();
} while (!timer_.HasTimeLimitExpired());
perf_test::PrintResult("push_properties_to",
"",
"props_changed",
timer_.LapsPerSecond(),
"runs/s",
true);
// Properties didn't change.
timer_.Reset();
do {
test_layer->PushPropertiesTo(impl_layer.get());
timer_.NextLap();
} while (!timer_.HasTimeLimitExpired());
perf_test::PrintResult("push_properties_to",
"",
"props_didnt_change",
timer_.LapsPerSecond(),
"runs/s",
true);
}
} // namespace
} // namespace cc
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