1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/strings/utf_string_conversions.h"
#include "base/timer/lap_timer.h"
#include "chrome/browser/vr/elements/text.h"
#include "chrome/browser/vr/skia_surface_provider_factory.h"
#include "chrome/browser/vr/test/constants.h"
#include "chrome/browser/vr/test/gl_test_environment.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/perf/perf_result_reporter.h"
#include "testing/perf/perf_test.h"
#include "third_party/skia/include/core/SkSurface.h"
namespace vr {
namespace {
constexpr size_t kNumberOfRuns = 35;
constexpr float kFontHeightMeters = 0.05f;
constexpr float kTextWidthMeters = 1.0f;
} // namespace
class TextPerfTest : public testing::Test {
public:
void SetUp() override {
gl_test_environment_ =
std::make_unique<GlTestEnvironment>(kPixelHalfScreen);
provider_ = SkiaSurfaceProviderFactory::Create();
text_element_ = std::make_unique<Text>(kFontHeightMeters);
text_element_->SetFieldWidth(kTextWidthMeters);
text_element_->Initialize(provider_.get());
}
void TearDown() override {
PrintResults();
text_element_.reset();
provider_.reset();
gl_test_environment_.reset();
}
protected:
void SetupReporter(const std::string& test_name,
const std::string& story_name) {
reporter_ =
std::make_unique<perf_test::PerfResultReporter>(test_name, story_name);
reporter_->RegisterImportantMetric(".render_time_avg", "ms");
reporter_->RegisterImportantMetric(".number_of_runs", "runs");
}
void PrintResults() {
reporter_->AddResult(".render_time_avg", timer_.TimePerLap());
reporter_->AddResult(".number_of_runs",
static_cast<size_t>(timer_.NumLaps()));
}
void RenderAndLapTimer() {
text_element_->PrepareToDrawForTest();
text_element_->UpdateTexture();
// Make sure all GL commands are applied before we measure the time.
glFinish();
timer_.NextLap();
}
std::unique_ptr<Text> text_element_;
// It would be better to initialize this during SetUp(), but there doesn't
// appear to be a good way to get the test name from within testing::Test.
std::unique_ptr<perf_test::PerfResultReporter> reporter_;
base::LapTimer timer_;
private:
std::unique_ptr<SkiaSurfaceProvider> provider_;
std::unique_ptr<GlTestEnvironment> gl_test_environment_;
};
TEST_F(TextPerfTest, RenderLoremIpsum100Chars) {
SetupReporter("TextPerfTest", "render_lorem_ipsum_100_chars");
std::u16string text = base::UTF8ToUTF16(kLoremIpsum100Chars);
timer_.Reset();
for (size_t i = 0; i < kNumberOfRuns; i++) {
text[0] = 'a' + (i % 26);
text_element_->SetText(text);
RenderAndLapTimer();
}
}
TEST_F(TextPerfTest, RenderLoremIpsum700Chars) {
SetupReporter("TextPerfTest", "render_lorem_ipsum_700_chars");
std::u16string text = base::UTF8ToUTF16(kLoremIpsum700Chars);
timer_.Reset();
for (size_t i = 0; i < kNumberOfRuns; i++) {
text[0] = 'a' + (i % 26);
text_element_->SetText(text);
RenderAndLapTimer();
}
}
} // namespace vr
|
