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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "CodecBench.h"
#include "CodecBenchPriv.h"
#include "SkBitmap.h"
#include "SkCodec.h"
#include "SkCommandLineFlags.h"
#include "SkOSFile.h"
// Actually zeroing the memory would throw off timing, so we just lie.
DEFINE_bool(zero_init, false, "Pretend our destination is zero-intialized, simulating Android?");
CodecBench::CodecBench(SkString baseName, SkData* encoded, SkColorType colorType,
SkAlphaType alphaType)
: fColorType(colorType)
, fAlphaType(alphaType)
, fData(SkRef(encoded))
{
// Parse filename and the color type to give the benchmark a useful name
fName.printf("Codec_%s_%s%s", baseName.c_str(), color_type_to_str(colorType),
alpha_type_to_str(alphaType));
#ifdef SK_DEBUG
// Ensure that we can create an SkCodec from this data.
SkAutoTDelete<SkCodec> codec(SkCodec::NewFromData(fData));
SkASSERT(codec);
#endif
}
const char* CodecBench::onGetName() {
return fName.c_str();
}
bool CodecBench::isSuitableFor(Backend backend) {
return kNonRendering_Backend == backend;
}
void CodecBench::onDelayedSetup() {
SkAutoTDelete<SkCodec> codec(SkCodec::NewFromData(fData));
fInfo = codec->getInfo().makeColorType(fColorType)
.makeAlphaType(fAlphaType)
.makeColorSpace(nullptr);
fPixelStorage.reset(fInfo.getSafeSize(fInfo.minRowBytes()));
}
void CodecBench::onDraw(int n, SkCanvas* canvas) {
SkAutoTDelete<SkCodec> codec;
SkPMColor colorTable[256];
int colorCount;
SkCodec::Options options;
if (FLAGS_zero_init) {
options.fZeroInitialized = SkCodec::kYes_ZeroInitialized;
}
for (int i = 0; i < n; i++) {
colorCount = 256;
codec.reset(SkCodec::NewFromData(fData));
#ifdef SK_DEBUG
const SkCodec::Result result =
#endif
codec->getPixels(fInfo, fPixelStorage.get(), fInfo.minRowBytes(),
&options, colorTable, &colorCount);
SkASSERT(result == SkCodec::kSuccess
|| result == SkCodec::kIncompleteInput);
}
}
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