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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 "cc/resources/texture_compressor.h" | |
6 | |
7 #include "cc/base/util.h" | |
8 #include "testing/gtest/include/gtest/gtest.h" | |
9 | |
10 namespace cc { | |
11 namespace { | |
12 | |
13 const int kImageWidth = 256; | |
14 const int kImageHeight = 256; | |
15 const int kImageChannels = 4; | |
16 const int kImageSizeInBytes = kImageWidth * kImageHeight * kImageChannels; | |
17 | |
18 TEST(TextureCompressorETC1Test, Compress256x256CreateETC1) { | |
reveman
2015/05/06 18:44:02
This test is not ETC1 specific. If you think this
radu.velea
2015/05/07 11:21:41
This might be useful for checking if all encoders
| |
19 scoped_ptr<TextureCompressor> compressor = | |
20 TextureCompressor::Create(TextureCompressor::kFormatETC1); | |
21 EXPECT_NE(nullptr, compressor); | |
22 } | |
23 | |
24 TEST(TextureCompressorETC1Test, Compress256x256RatioETC1) { | |
reveman
2015/05/06 18:44:02
s/Compress256x256RatioETC1/Compress256x256Ratio/ a
| |
25 scoped_ptr<TextureCompressor> compressor = | |
26 TextureCompressor::Create(TextureCompressor::kFormatETC1); | |
27 uint8_t src[kImageSizeInBytes]; | |
28 uint8_t dst[kImageSizeInBytes]; | |
reveman
2015/05/06 18:44:02
How about we add TextureCompressor API that will r
radu.velea
2015/05/07 11:21:41
That would be a good idea. I had a talk with chris
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29 int compressed_size = 0; | |
reveman
2015/05/06 18:44:02
nit: move this variable down to where it's first u
radu.velea
2015/05/07 11:21:41
Done.
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30 const unsigned int kImagePoison = 0xDEADBEEF; | |
31 | |
32 /* Poison destination bytes */ | |
reveman
2015/05/06 18:44:02
nit: comment style
radu.velea
2015/05/07 11:21:41
Done.
| |
33 uint32_t* dst_32 = reinterpret_cast<uint32_t*>(dst); | |
34 for (int i = 0; i < kImageWidth * kImageHeight; i++) { | |
35 dst_32[i] = kImagePoison; | |
36 } | |
37 | |
38 /* Generate test texture */ | |
reveman
2015/05/06 18:44:02
nit: comment style
radu.velea
2015/05/07 11:21:41
Done.
| |
39 for (int i = 0; i < kImageSizeInBytes; i++) { | |
40 src[i] = i % 256; | |
41 } | |
42 | |
43 compressor->Compress(src, dst, kImageWidth, kImageHeight, | |
44 (TextureCompressor::Quality)0); | |
reveman
2015/05/06 18:44:02
Don't use c-style casts. I think we should use a v
radu.velea
2015/05/07 11:21:41
Done.
| |
45 for (compressed_size = 0; compressed_size < kImageWidth * kImageHeight; | |
46 compressed_size++) { | |
47 if (dst_32[compressed_size] == kImagePoison) { | |
48 compressed_size = | |
49 compressed_size * 4; /* size in bytes of the compressed block */ | |
50 break; | |
51 } | |
52 } | |
53 | |
54 /* Check if compression ratio is 8:1 for RGBA or BGRA images, after discarding | |
55 * alpha channel */ | |
reveman
2015/05/06 18:44:02
nit: comment style
| |
56 EXPECT_EQ(compressed_size * 8, kImageSizeInBytes); | |
reveman
2015/05/06 18:44:02
expected value should be the first parameter
radu.velea
2015/05/07 11:21:41
Done.
| |
57 } | |
58 | |
59 } // namespace | |
60 } // namespace cc | |
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