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/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkBenchmark.h"
#include "SkBitmap.h"
#include "SkData.h"
#include "SkForceLinking.h"
#include "SkImageDecoder.h"
#include "SkOSFile.h"
#include "SkStream.h"
#include "SkString.h"
__SK_FORCE_IMAGE_DECODER_LINKING;
class SkCanvas;
class ImageDecodeBench : public SkBenchmark {
public:
ImageDecodeBench(void* p, const char* filename)
: fName("image_decode_")
, fFilename(filename)
, fStream()
, fValid(false) {
fName.append(SkOSPath::SkBasename(filename));
}
virtual bool isSuitableFor(Backend backend) SK_OVERRIDE {
return backend == kNonRendering_Backend;
}
protected:
virtual const char* onGetName() SK_OVERRIDE {
return fName.c_str();
}
virtual void onPreDraw() SK_OVERRIDE {
SkFILEStream fileStream(fFilename.c_str());
fValid = fileStream.isValid() && fileStream.getLength() > 0;
if (fValid) {
const size_t size = fileStream.getLength();
void* data = sk_malloc_throw(size);
if (fileStream.read(data, size) < size) {
fValid = false;
} else {
SkAutoTUnref<SkData> skdata(SkData::NewFromMalloc(data, size));
fStream.setData(skdata.get());
}
}
}
virtual void onDraw(const int loops, SkCanvas*) SK_OVERRIDE {
#ifdef SK_DEBUG
if (!fValid) {
SkDebugf("stream was invalid: %s\n", fName.c_str());
return;
}
#endif
// Decode a bunch of times
SkBitmap bm;
for (int i = 0; i < loops; ++i) {
SkDEBUGCODE(bool success =) SkImageDecoder::DecodeStream(&fStream, &bm);
#ifdef SK_DEBUG
if (!success) {
SkDebugf("failed to decode %s\n", fName.c_str());
return;
}
#endif
SkDEBUGCODE(success =) fStream.rewind();
#ifdef SK_DEBUG
if (!success) {
SkDebugf("failed to rewind %s\n", fName.c_str());
return;
}
#endif
}
}
private:
SkString fName;
const SkString fFilename;
SkMemoryStream fStream;
bool fValid;
typedef SkBenchmark INHERITED;
};
// These are files which call decodePalette
//DEF_BENCH( return SkNEW_ARGS(ImageDecodeBench, ("/usr/local/google/home/scroggo/Downloads/images/hal_163x90.png")); )
//DEF_BENCH( return SkNEW_ARGS(ImageDecodeBench, ("/usr/local/google/home/scroggo/Downloads/images/box_19_top-left.png")); )
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