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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "cc/raster/texture_compressor.h" | 5 #include "cc/raster/texture_compressor.h" |
6 | 6 |
7 #include <stdint.h> | 7 #include <stdint.h> |
8 | 8 |
9 #include "testing/gtest/include/gtest/gtest.h" | 9 #include "testing/gtest/include/gtest/gtest.h" |
10 | 10 |
11 namespace cc { | 11 namespace cc { |
12 namespace { | 12 namespace { |
13 | 13 |
14 const int kImageWidth = 256; | 14 const int kImageWidth = 256; |
15 const int kImageHeight = 256; | 15 const int kImageHeight = 256; |
16 const int kImageChannels = 4; | 16 const int kImageChannels = 4; |
17 const int kImageSizeInBytes = kImageWidth * kImageHeight * kImageChannels; | 17 const int kImageSizeInBytes = kImageWidth * kImageHeight * kImageChannels; |
18 | 18 |
19 TEST(TextureCompressorETC1Test, Compress256x256Ratio) { | 19 TEST(TextureCompressorETC1Test, Compress256x256Ratio) { |
20 scoped_ptr<TextureCompressor> compressor = | 20 std::unique_ptr<TextureCompressor> compressor = |
21 TextureCompressor::Create(TextureCompressor::kFormatETC1); | 21 TextureCompressor::Create(TextureCompressor::kFormatETC1); |
22 uint8_t src[kImageSizeInBytes]; | 22 uint8_t src[kImageSizeInBytes]; |
23 uint8_t dst[kImageSizeInBytes]; | 23 uint8_t dst[kImageSizeInBytes]; |
24 const unsigned int kImagePoison = 0xDEADBEEF; | 24 const unsigned int kImagePoison = 0xDEADBEEF; |
25 | 25 |
26 // Poison destination bytes so we can see how much has been | 26 // Poison destination bytes so we can see how much has been |
27 // overwritten by compression algorithm. | 27 // overwritten by compression algorithm. |
28 uint32_t* dst_32 = reinterpret_cast<uint32_t*>(dst); | 28 uint32_t* dst_32 = reinterpret_cast<uint32_t*>(dst); |
29 for (int i = 0; i < kImageWidth * kImageHeight; i++) { | 29 for (int i = 0; i < kImageWidth * kImageHeight; i++) { |
30 dst_32[i] = kImagePoison; | 30 dst_32[i] = kImagePoison; |
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48 } | 48 } |
49 } | 49 } |
50 | 50 |
51 // Check if compression ratio is 8:1 for RGBA or BGRA images, after discarding | 51 // Check if compression ratio is 8:1 for RGBA or BGRA images, after discarding |
52 // alpha channel. | 52 // alpha channel. |
53 EXPECT_EQ(kImageSizeInBytes, compressed_size * 8); | 53 EXPECT_EQ(kImageSizeInBytes, compressed_size * 8); |
54 } | 54 } |
55 | 55 |
56 } // namespace | 56 } // namespace |
57 } // namespace cc | 57 } // namespace cc |
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