CodecBench Class Reference

#include <CodecBench.h>

Inheritance diagram for CodecBench:

Public Member Functions
	CodecBench (SkString basename, SkData *encoded, SkColorType colorType, SkAlphaType alphaType)
Public Member Functions inherited from Benchmark
	Benchmark ()
const char *	getName ()
const char *	getUniqueName ()
SkISize	getSize ()
virtual bool	isSuitableFor (Backend backend)
virtual void	modifyGrContextOptions (GrContextOptions *)
virtual bool	shouldLoop () const
void	delayedSetup ()
void	perCanvasPreDraw (SkCanvas *)
void	perCanvasPostDraw (SkCanvas *)
void	preDraw (SkCanvas *)
void	postDraw (SkCanvas *)
void	draw (int loops, SkCanvas *)
virtual void	getGpuStats (SkCanvas *, skia_private::TArray< SkString > *keys, skia_private::TArray< double > *values)
virtual bool	getDMSAAStats (GrRecordingContext *)
int	getUnits () const
Public Member Functions inherited from SkRefCntBase
	SkRefCntBase ()
virtual	~SkRefCntBase ()
bool	unique () const
void	ref () const
void	unref () const

Protected Member Functions
const char *	onGetName () override
bool	isSuitableFor (Backend backend) override
void	onDraw (int n, SkCanvas *canvas) override
void	onDelayedSetup () override
Protected Member Functions inherited from Benchmark
void	setUnits (int units)
virtual void	setupPaint (SkPaint *paint)
virtual const char *	onGetName ()=0
virtual const char *	onGetUniqueName ()
virtual void	onDelayedSetup ()
virtual void	onPerCanvasPreDraw (SkCanvas *)
virtual void	onPerCanvasPostDraw (SkCanvas *)
virtual void	onPreDraw (SkCanvas *)
virtual void	onPostDraw (SkCanvas *)
virtual void	onDraw (int loops, SkCanvas *)=0
virtual SkISize	onGetSize ()

Additional Inherited Members
Public Types inherited from Benchmark
enum class	Backend {   kNonRendering , kRaster , kGanesh , kGraphite ,   kPDF , kHWUI }

Detailed Description

Time SkCodec.

Definition at line 21 of file CodecBench.h.

Constructor & Destructor Documentation

CodecBench()

CodecBench::CodecBench	(	SkString	basename,
		SkData *	encoded,
		SkColorType	colorType,
		SkAlphaType	alphaType
	)

Definition at line 19 of file CodecBench.cpp.

    : 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));
    // Ensure that we can create an SkCodec from this data.
    SkASSERT(SkCodec::MakeFromData(fData));
}

Member Function Documentation

isSuitableFor()

bool CodecBench::isSuitableFor ( Backend  backend )

overrideprotectedvirtual

Reimplemented from Benchmark.

Definition at line 36 of file CodecBench.cpp.

                                              {
    return Backend::kNonRendering == backend;
}

onDelayedSetup()

void CodecBench::onDelayedSetup ( )

overrideprotectedvirtual

Reimplemented from Benchmark.

Definition at line 40 of file CodecBench.cpp.

                                {
    std::unique_ptr<SkCodec> codec = SkCodec::MakeFromData(fData);
 
    fInfo = codec->getInfo().makeColorType(fColorType)
                            .makeAlphaType(fAlphaType)
                            .makeColorSpace(nullptr);
 
    fPixelStorage.reset(fInfo.computeMinByteSize());
}

onDraw()

void CodecBench::onDraw ( int  n, SkCanvas *  canvas  )

overrideprotectedvirtual

Implements Benchmark.

Definition at line 50 of file CodecBench.cpp.

                                               {
    std::unique_ptr<SkCodec> codec;
    SkCodec::Options options;
    if (FLAGS_zero_init) {
        options.fZeroInitialized = SkCodec::kYes_ZeroInitialized;
    }
    for (int i = 0; i < n; i++) {
        codec = SkCodec::MakeFromData(fData);
#ifdef SK_DEBUG
        const SkCodec::Result result =
#endif
        codec->getPixels(fInfo, fPixelStorage.get(), fInfo.minRowBytes(),
                         &options);
        SkASSERT(result == SkCodec::kSuccess
                 || result == SkCodec::kIncompleteInput);
    }
}

onGetName()

const char * CodecBench::onGetName ( )

overrideprotectedvirtual

Implements Benchmark.

Definition at line 32 of file CodecBench.cpp.

                                  {
    return fName.c_str();
}

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The documentation for this class was generated from the following files:

• third_party/skia/bench/CodecBench.h
• third_party/skia/bench/CodecBench.cpp