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1 /* | |
robertphillips
2014/06/04 18:53:36
2014 ?
krajcevski
2014/06/04 19:26:53
Done.
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2 * Copyright 2013 Google Inc. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license that can be | |
5 * found in the LICENSE file. | |
6 */ | |
7 | |
8 #include "SkBenchmark.h" | |
robertphillips
2014/06/04 18:53:36
Do we need SkBitmapDevice.h ?
krajcevski
2014/06/04 19:26:53
Nope. Removed.
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9 #include "SkBitmapDevice.h" | |
10 #include "SkCanvas.h" | |
11 #include "SkData.h" | |
12 #include "SkDecodingImageGenerator.h" | |
13 #include "SkImageDecoder.h" | |
14 #include "SkOSFile.h" | |
15 | |
16 #ifndef SK_IGNORE_ETC1_SUPPORT | |
17 | |
18 #include "etc1.h" | |
19 | |
20 // This takes the etc1 data pointed to by orig, and copies it `factor` times in each | |
21 // dimension. The return value is the new data or NULL on error. | |
22 static etc1_byte* create_expanded_etc1_bitmap(const uint8_t* orig, int factor) { | |
23 SkASSERT(NULL != orig); | |
24 SkASSERT(factor > 1); | |
25 | |
26 const etc1_byte* origData = reinterpret_cast<const etc1_byte*>(orig); | |
27 if (!etc1_pkm_is_valid(orig)) { | |
28 return NULL; | |
29 } | |
30 | |
31 etc1_uint32 origWidth = etc1_pkm_get_width(origData); | |
32 etc1_uint32 origHeight = etc1_pkm_get_height(origData); | |
33 | |
34 // The width and height must be aligned along block boundaries | |
35 if ((origWidth & 3) != 0 || (origHeight & 3) != 0) { | |
36 return NULL; | |
37 } | |
38 | |
39 // The picture must be at least as large as a block. | |
robertphillips
2014/06/04 18:53:36
Is the block width & height already #defined somew
krajcevski
2014/06/04 19:26:53
No, but "everyone knows" etc1 data is 4x4 pixel bl
robertphillips
2014/06/04 19:46:37
Probably just put a "static const int kETC1BlockSi
krajcevski
2014/06/04 19:57:16
Done.
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40 if (origWidth <= 4 || origHeight <= 4) { | |
41 return NULL; | |
42 } | |
43 | |
44 etc1_uint32 newWidth = origWidth * factor; | |
45 etc1_uint32 newHeight = origHeight * factor; | |
46 | |
47 etc1_uint32 newDataSz = etc1_get_encoded_data_size(newWidth, newHeight); | |
48 etc1_byte* newData = reinterpret_cast<etc1_byte *>( | |
49 sk_malloc_throw(newDataSz + ETC_PKM_HEADER_SIZE)); | |
50 etc1_pkm_format_header(newData, newWidth, newHeight); | |
51 | |
52 etc1_byte* copyInto = newData; | |
53 | |
54 copyInto += ETC_PKM_HEADER_SIZE; | |
55 origData += ETC_PKM_HEADER_SIZE; | |
56 | |
57 etc1_uint32 origBlocksX = (origWidth >> 2); | |
58 etc1_uint32 origBlocksY = (origHeight >> 2); | |
59 etc1_uint32 newBlocksY = (newHeight >> 2); | |
60 etc1_uint32 origRowSzInBytes = origBlocksX * ETC1_ENCODED_BLOCK_SIZE; | |
61 | |
62 for (etc1_uint32 j = 0; j < newBlocksY; ++j) { | |
63 etc1_uint32 row = j % origBlocksY; | |
64 for(etc1_uint32 i = 0; i < newWidth; i += origWidth) { | |
robertphillips
2014/06/04 18:53:36
rename rowStart to be srcRow and move it out of th
krajcevski
2014/06/04 19:26:53
Done.
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65 const etc1_byte* rowStart = origData + (row * origRowSzInBytes); | |
66 memcpy(copyInto, rowStart, origRowSzInBytes); | |
67 copyInto += origRowSzInBytes; | |
68 } | |
69 } | |
70 return newData; | |
71 } | |
72 | |
73 // This is the base class for all of the benches in this file. In general | |
74 // the ETC1 benches should all be working on the same data. Due to the | |
75 // simplicity of the PKM file, that data is the 128x128 mandrill etc1 | |
76 // compressed texture repeated by some factor (currently 8 -> 1024x1024) | |
77 class ETCBitmapBenchBase : public SkBenchmark { | |
78 public: | |
robertphillips
2014/06/04 18:53:36
Don't think you need explicit here.
this->loadPKM(
krajcevski
2014/06/04 19:26:53
Done.
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79 explicit ETCBitmapBenchBase() : fPKMData(loadPKM()) { | |
80 if (NULL == fPKMData) { | |
81 SkDebugf("Could not load PKM data!"); | |
82 } | |
83 } | |
84 | |
85 protected: | |
86 SkAutoDataUnref fPKMData; | |
87 | |
88 private: | |
89 SkData *loadPKM() { | |
90 SkString filename = SkOSPath::SkPathJoin( | |
91 INHERITED::GetResourcePath().c_str(), "mandrill_128.pkm"); | |
92 | |
93 // Expand the data | |
94 SkAutoDataUnref fileData(SkData::NewFromFileName(filename.c_str())); | |
95 if (NULL == fileData) { | |
96 SkDebugf("Could not open the file. Did you forget to set the resourc ePath?\n"); | |
97 return NULL; | |
98 } | |
99 | |
robertphillips
2014/06/04 18:53:36
static const etc1_uint32 kExpansionFactor = 8; ?
krajcevski
2014/06/04 19:26:53
Done.
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100 const etc1_uint32 factor = 8; | |
101 etc1_byte* expandedETC1 = create_expanded_etc1_bitmap(fileData->bytes(), factor); | |
102 if (NULL == expandedETC1) { | |
103 SkDebugf("Error expanding ETC1 data by factor of %d\n", factor); | |
104 return NULL; | |
105 } | |
106 | |
107 etc1_uint32 width = etc1_pkm_get_width(expandedETC1); | |
108 etc1_uint32 height = etc1_pkm_get_width(expandedETC1); | |
109 etc1_uint32 dataSz = ETC_PKM_HEADER_SIZE + etc1_get_encoded_data_size(wi dth, height); | |
110 return SkData::NewFromMalloc(expandedETC1, dataSz); | |
111 } | |
112 | |
113 typedef SkBenchmark INHERITED; | |
114 }; | |
115 | |
116 // This is the rendering benchmark. Prior to rendering the data, create a | |
117 // bitmap using the etc1 data. We repurpose the isSuitableFor override since it | |
118 // gets called on every config outside of the timing loop. | |
119 class ETCBitmapBench : public ETCBitmapBenchBase { | |
120 public: | |
121 explicit ETCBitmapBench(bool decompress) : fDecompress(decompress) { } | |
122 | |
123 protected: | |
124 virtual const char* onGetName() SK_OVERRIDE { | |
125 if (fDecompress) { | |
126 return "etc1bitmap_render_decompressed"; | |
127 } else { | |
128 return "etc1bitmap_render_compressed"; | |
129 } | |
130 } | |
131 | |
robertphillips
2014/06/04 18:53:36
I think we should actually parameterize the bench
krajcevski
2014/06/04 19:26:53
Done.
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132 virtual bool isSuitableFor(Backend backend) SK_OVERRIDE { | |
133 // !HACK! Since this function gets called on every config | |
134 // we can create our bitmap here so that it doesn't get | |
135 // decompressed in 8888 and then rendered as a bitmap in | |
136 // the gpu... | |
137 if (NULL == fPKMData) { | |
138 return false; | |
139 } | |
140 | |
141 // Install pixel ref | |
142 if (!SkInstallDiscardablePixelRef( | |
143 SkDecodingImageGenerator::Create( | |
144 fPKMData, SkDecodingImageGenerator::Options()), &(this->fBit map))) { | |
145 SkDebugf("Could not install discardable pixel ref.\n"); | |
146 // !HACK! If there was an error don't bother rendering for this conf ig... | |
147 return false; | |
148 } | |
149 | |
150 // Decompress it if necessary | |
151 if (this->fDecompress) { | |
152 this->fBitmap.lockPixels(); | |
153 } | |
154 | |
155 // What this function is actually for | |
156 return backend == kRaster_Backend || backend == kGPU_Backend; | |
157 } | |
158 | |
159 virtual void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE { | |
160 for (int i = 0; i < loops; i++) { | |
161 canvas->drawBitmap(this->fBitmap, 0, 0, NULL); | |
162 } | |
163 } | |
164 | |
165 protected: | |
166 SkBitmap fBitmap; | |
167 bool decompress() const { return fDecompress; } | |
168 private: | |
169 const bool fDecompress; | |
170 typedef ETCBitmapBenchBase INHERITED; | |
171 }; | |
172 | |
173 // This benchmark is identical to the previous benchmark, but it explicitly forc es | |
174 // an upload to the GPU before each draw call. We do this by notifying the bitma p | |
175 // that the pixels have changed (even though they haven't). | |
176 class ETCBitmapUploadBench : public ETCBitmapBench { | |
177 public: | |
178 explicit ETCBitmapUploadBench(bool decompress) : ETCBitmapBench(decompress) { } | |
179 | |
180 protected: | |
181 virtual const char* onGetName() SK_OVERRIDE { | |
182 if (this->decompress()) { | |
183 return "etc1bitmap_upload_decompressed"; | |
184 } else { | |
185 return "etc1bitmap_upload_compressed"; | |
186 } | |
187 } | |
188 | |
189 virtual void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE { | |
190 for (int i = 0; i < loops; i++) { | |
191 this->fBitmap.notifyPixelsChanged(); | |
192 canvas->drawBitmap(this->fBitmap, 0, 0, NULL); | |
193 } | |
194 } | |
195 | |
196 private: | |
197 typedef ETCBitmapBenchBase INHERITED; | |
198 }; | |
199 | |
200 DEF_BENCH(return new ETCBitmapBench(false);) | |
201 DEF_BENCH(return new ETCBitmapBench(true);) | |
202 | |
203 DEF_BENCH(return new ETCBitmapUploadBench(false);) | |
204 DEF_BENCH(return new ETCBitmapUploadBench(true);) | |
205 | |
206 #endif // SK_IGNORE_ETC1_SUPPORT | |
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