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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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