1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "cc/layers/layer.h"
6
7 #include "cc/resources/layer_painter.h"
8 #include "cc/test/fake_impl_proxy.h"
9 #include "cc/test/fake_layer_tree_host.h"
10 #include "cc/test/fake_layer_tree_host_client.h"
11 #include "cc/test/fake_layer_tree_host_impl.h"
12 #include "cc/test/lap_timer.h"
13
14 #include "testing/gtest/include/gtest/gtest.h"
15 #include "testing/perf/perf_test.h"
16
17 namespace cc {
18 namespace {
19
20 static const int kTimeLimitMillis = 3000;
21 static const int kWarmupRuns = 5;
22 static const int kTimeCheckInterval = 10;
23
24 class MockLayerPainter : public LayerPainter {
25 public:
Paint(SkCanvas * canvas,gfx::Rect content_rect,gfx::RectF * opaque)26 virtual void Paint(SkCanvas* canvas,
27 gfx::Rect content_rect,
28 gfx::RectF* opaque) OVERRIDE {}
29 };
30
31
32 class LayerPerfTest : public testing::Test {
33 public:
LayerPerfTest()34 LayerPerfTest()
35 : host_impl_(&proxy_),
36 fake_client_(FakeLayerTreeHostClient::DIRECT_3D),
37 timer_(kWarmupRuns,
38 base::TimeDelta::FromMilliseconds(kTimeLimitMillis),
39 kTimeCheckInterval) {}
40
41 protected:
SetUp()42 virtual void SetUp() OVERRIDE {
43 layer_tree_host_ = FakeLayerTreeHost::Create();
44 layer_tree_host_->InitializeSingleThreaded(&fake_client_);
45 }
46
TearDown()47 virtual void TearDown() OVERRIDE {
48 layer_tree_host_->SetRootLayer(NULL);
49 layer_tree_host_.reset();
50 }
51
52 FakeImplProxy proxy_;
53 FakeLayerTreeHostImpl host_impl_;
54
55 FakeLayerTreeHostClient fake_client_;
56 scoped_ptr<FakeLayerTreeHost> layer_tree_host_;
57 LapTimer timer_;
58 };
59
TEST_F(LayerPerfTest,PushPropertiesTo)60 TEST_F(LayerPerfTest, PushPropertiesTo) {
61 scoped_refptr<Layer> test_layer = Layer::Create();
62 scoped_ptr<LayerImpl> impl_layer =
63 LayerImpl::Create(host_impl_.active_tree(), 1);
64
65 layer_tree_host_->SetRootLayer(test_layer);
66
67 float anchor_point_z = 0;
68 bool scrollable = true;
69 bool contents_opaque = true;
70 bool double_sided = true;
71 bool hide_layer_and_subtree = true;
72 bool masks_to_bounds = true;
73
74 // Properties changed.
75 timer_.Reset();
76 do {
77 test_layer->SetNeedsDisplayRect(gfx::RectF(0.f, 0.f, 5.f, 5.f));
78 test_layer->SetAnchorPointZ(anchor_point_z);
79 test_layer->SetContentsOpaque(contents_opaque);
80 test_layer->SetDoubleSided(double_sided);
81 test_layer->SetHideLayerAndSubtree(hide_layer_and_subtree);
82 test_layer->SetMasksToBounds(masks_to_bounds);
83 test_layer->SetScrollable(scrollable);
84 test_layer->PushPropertiesTo(impl_layer.get());
85
86 anchor_point_z += 0.01f;
87 scrollable = !scrollable;
88 contents_opaque = !contents_opaque;
89 double_sided = !double_sided;
90 hide_layer_and_subtree = !hide_layer_and_subtree;
91 masks_to_bounds = !masks_to_bounds;
92
93 timer_.NextLap();
94 } while (!timer_.HasTimeLimitExpired());
95
96 perf_test::PrintResult("push_properties_to",
97 "",
98 "props_changed",
99 timer_.LapsPerSecond(),
100 "runs/s",
101 true);
102
103 // Properties didn't change.
104 timer_.Reset();
105 do {
106 test_layer->PushPropertiesTo(impl_layer.get());
107 timer_.NextLap();
108 } while (!timer_.HasTimeLimitExpired());
109
110 perf_test::PrintResult("push_properties_to",
111 "",
112 "props_didnt_change",
113 timer_.LapsPerSecond(),
114 "runs/s",
115 true);
116 }
117
118
119 } // namespace
120 } // namespace cc
121