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| 1 // Copyright 2015 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 "base/logging.h" | |
| 6 #include "cc/debug/lap_timer.h" | |
| 7 #include "cc/resources/texture_compressor.h" | |
| 8 #include "testing/gtest/include/gtest/gtest.h" | |
| 9 #include "testing/perf/perf_test.h" | |
| 10 | |
| 11 namespace cc { | |
| 12 namespace { | |
| 13 | |
| 14 const int kTimeLimitMillis = 2000; | |
| 15 const int kWarmupRuns = 5; | |
| 16 const int kTimeCheckInterval = 10; | |
| 17 | |
| 18 const int kImageWidth = 256; | |
| 19 const int kImageHeight = 256; | |
| 20 const int kImageSizeInBytes = kImageWidth * kImageHeight * 4; | |
| 21 | |
| 22 const TextureCompressor::Quality kQualities[] = { | |
| 23 TextureCompressor::kQualityLow, | |
| 24 TextureCompressor::kQualityMedium, | |
| 25 TextureCompressor::kQualityHigh}; | |
| 26 | |
| 27 std::string FormatName(TextureCompressor::Format format) { | |
| 28 switch (format) { | |
| 29 case TextureCompressor::kFormatETC1: | |
| 30 return "ETC1"; | |
| 31 } | |
| 32 | |
| 33 NOTREACHED(); | |
| 34 return ""; | |
| 35 } | |
| 36 | |
| 37 std::string QualityName(TextureCompressor::Quality quality) { | |
| 38 switch (quality) { | |
| 39 case TextureCompressor::kQualityLow: | |
| 40 return "Low"; | |
| 41 case TextureCompressor::kQualityMedium: | |
| 42 return "Medium"; | |
| 43 case TextureCompressor::kQualityHigh: | |
| 44 return "High"; | |
| 45 } | |
| 46 | |
| 47 NOTREACHED(); | |
| 48 return ""; | |
| 49 } | |
| 50 | |
| 51 class TextureCompressorPerfTest | |
| 52 : public testing::TestWithParam<TextureCompressor::Format> { | |
| 53 public: | |
| 54 TextureCompressorPerfTest() | |
| 55 : timer_(kWarmupRuns, | |
| 56 base::TimeDelta::FromMilliseconds(kTimeLimitMillis), | |
| 57 kTimeCheckInterval) {} | |
| 58 | |
| 59 void SetUp() override { | |
| 60 TextureCompressor::Format format = GetParam(); | |
| 61 compressor_ = TextureCompressor::Create(format); | |
| 62 } | |
| 63 | |
| 64 void RunTest(const std::string& name, TextureCompressor::Quality quality) { | |
| 65 timer_.Reset(); | |
| 66 do { | |
| 67 compressor_->Compress(src_, dst_, kImageWidth, kImageHeight, quality); | |
| 68 timer_.NextLap(); | |
| 69 } while (!timer_.HasTimeLimitExpired()); | |
| 70 | |
| 71 std::string str = FormatName(GetParam()) + " " + QualityName(quality); | |
| 72 perf_test::PrintResult("Compress256x256", name, str, timer_.MsPerLap(), | |
| 73 "us", true); | |
| 74 } | |
| 75 | |
| 76 protected: | |
| 77 LapTimer timer_; | |
| 78 scoped_ptr<TextureCompressor> compressor_; | |
| 79 uint8_t src_[kImageSizeInBytes]; | |
| 80 uint8_t dst_[kImageSizeInBytes]; | |
| 81 }; | |
| 82 | |
| 83 TEST_P(TextureCompressorPerfTest, Compress256x256Image) { | |
| 84 for (int i = 0; i < kImageSizeInBytes; ++i) | |
| 85 src_[i] = i % 256; | |
| 86 | |
| 87 for (auto& quality : kQualities) | |
| 88 RunTest("Image", quality); | |
| 89 } | |
| 90 | |
| 91 TEST_P(TextureCompressorPerfTest, Compress256x256SolidImage) { | |
| 92 memset(src_, 0, kImageSizeInBytes); | |
| 93 | |
| 94 for (auto& quality : kQualities) | |
| 95 RunTest("SolidImage", quality); | |
| 96 } | |
| 97 | |
| 98 INSTANTIATE_TEST_CASE_P(TextureCompressorPerfTests, | |
| 99 TextureCompressorPerfTest, | |
| 100 ::testing::Values(TextureCompressor::kFormatETC1)); | |
| 101 | |
| 102 } // namespace | |
| 103 } // namespace cc | |
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