blob: 1cb29b1f1e287daf5ec2fd6382d4825215d20be4 [file] [log] [blame]
scroggo@google.com2bbc2c92013-06-14 15:33:20 +00001/*
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"
9#include "SkBitmap.h"
10#include "SkData.h"
11#include "SkForceLinking.h"
12#include "SkImageDecoder.h"
13#include "SkOSFile.h"
14#include "SkStream.h"
15#include "SkString.h"
16
17__SK_FORCE_IMAGE_DECODER_LINKING;
18
19class SkCanvas;
20
21class ImageDecodeBench : public SkBenchmark {
22public:
23 ImageDecodeBench(void* p, const char* filename)
24 : INHERITED(p)
25 , fName("image_decode_")
26 , fFilename(filename)
27 , fStream()
28 , fValid(false) {
29 fName.append(SkOSPath::SkBasename(filename));
30 fIsRendering = false;
31 }
32
33protected:
34 virtual const char* onGetName() SK_OVERRIDE {
35 return fName.c_str();
36 }
37
38 virtual void onPreDraw() SK_OVERRIDE {
39 SkFILEStream fileStream(fFilename.c_str());
40 fValid = fileStream.isValid() && fileStream.getLength() > 0;
41 if (fValid) {
42 const size_t size = fileStream.getLength();
43 void* data = sk_malloc_throw(size);
44 if (fileStream.read(data, size) < size) {
45 fValid = false;
46 } else {
47 SkAutoTUnref<SkData> skdata(SkData::NewFromMalloc(data, size));
48 fStream.setData(skdata.get());
49 }
50 }
51 }
52
53 virtual void onDraw(SkCanvas*) SK_OVERRIDE {
54#ifdef SK_DEBUG
55 if (!fValid) {
56 SkDebugf("stream was invalid: %s\n", fName.c_str());
57 return;
58 }
59#endif
60 // Decode a bunch of times
61 SkBitmap bm;
62 for (int i = 0; i < SkBENCHLOOP(1000); ++i) {
63 SkDEBUGCODE(bool success =) SkImageDecoder::DecodeStream(&fStream, &bm);
64#ifdef SK_DEBUG
65 if (!success) {
66 SkDebugf("failed to decode %s\n", fName.c_str());
67 return;
68 }
69#endif
70 SkDEBUGCODE(success =) fStream.rewind();
71#ifdef SK_DEBUG
72 if (!success) {
73 SkDebugf("failed to rewind %s\n", fName.c_str());
74 return;
75 }
76#endif
77 }
78 }
79
80private:
81 SkString fName;
82 const SkString fFilename;
83 SkMemoryStream fStream;
84 bool fValid;
85
86 typedef SkBenchmark INHERITED;
87};
88
89// These are files which call decodePalette
90//DEF_BENCH( return SkNEW_ARGS(ImageDecodeBench, (p, "/usr/local/google/home/scroggo/Downloads/images/hal_163x90.png")); )
91//DEF_BENCH( return SkNEW_ARGS(ImageDecodeBench, (p, "/usr/local/google/home/scroggo/Downloads/images/box_19_top-left.png")); )