2 * Copyright 2013 Google Inc.
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
11 #include "SkForceLinking.h"
12 #include "SkImageDecoder.h"
17 __SK_FORCE_IMAGE_DECODER_LINKING;
21 class ImageDecodeBench : public Benchmark {
23 ImageDecodeBench(void* p, const char* filename)
24 : fName("image_decode_")
28 fName.append(SkOSPath::Basename(filename));
31 virtual bool isSuitableFor(Backend backend) SK_OVERRIDE {
32 return backend == kNonRendering_Backend;
36 virtual const char* onGetName() SK_OVERRIDE {
40 virtual void onPreDraw() SK_OVERRIDE {
41 SkFILEStream fileStream(fFilename.c_str());
42 fValid = fileStream.isValid() && fileStream.getLength() > 0;
44 const size_t size = fileStream.getLength();
45 void* data = sk_malloc_throw(size);
46 if (fileStream.read(data, size) < size) {
49 SkAutoTUnref<SkData> skdata(SkData::NewFromMalloc(data, size));
50 fStream.setData(skdata.get());
55 virtual void onDraw(const int loops, SkCanvas*) SK_OVERRIDE {
58 SkDebugf("stream was invalid: %s\n", fName.c_str());
62 // Decode a bunch of times
64 for (int i = 0; i < loops; ++i) {
65 SkDEBUGCODE(bool success =) SkImageDecoder::DecodeStream(&fStream, &bm);
68 SkDebugf("failed to decode %s\n", fName.c_str());
72 SkDEBUGCODE(success =) fStream.rewind();
75 SkDebugf("failed to rewind %s\n", fName.c_str());
84 const SkString fFilename;
85 SkMemoryStream fStream;
88 typedef Benchmark INHERITED;
91 // These are files which call decodePalette
92 //DEF_BENCH( return SkNEW_ARGS(ImageDecodeBench, ("/usr/local/google/home/scroggo/Downloads/images/hal_163x90.png")); )
93 //DEF_BENCH( return SkNEW_ARGS(ImageDecodeBench, ("/usr/local/google/home/scroggo/Downloads/images/box_19_top-left.png")); )