Inheritance diagram for FontCacheEfficiency:

Public Member Functions
	FontCacheEfficiency ()

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

void	onDraw (int loops, SkCanvas *canvas) override

Protected Member Functions inherited from Benchmark
void	setUnits (int units)

virtual void	setupPaint (SkPaint *paint)

virtual const char *	onGetUniqueName ()

virtual void	onDelayedSetup ()

virtual void	onPerCanvasPreDraw (SkCanvas *)

virtual void	onPerCanvasPostDraw (SkCanvas *)

virtual void	onPreDraw (SkCanvas *)

virtual void	onPostDraw (SkCanvas *)

virtual SkISize	onGetSize ()

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

Detailed Description

Definition at line 102 of file FontCacheBench.cpp.

Constructor & Destructor Documentation

◆ FontCacheEfficiency()

FontCacheEfficiency::FontCacheEfficiency ( )

inline

Definition at line 104 of file FontCacheBench.cpp.

                           {
        if ((false)) dump_array(nullptr, 0);
        if ((false)) rotr(0, 0);
    }

Member Function Documentation

◆ onDraw()

void FontCacheEfficiency::onDraw	(	int	loops,
		SkCanvas *	canvas
	)

inlineoverrideprotectedvirtual

Implements Benchmark.

Definition at line 114 of file FontCacheBench.cpp.

                                                      {
        static bool gDone;
        if (gDone) {
            return;
        }
        gDone = true;
 
        for (int hashBits = 6; hashBits <= 12; hashBits += 1) {
            int hashMask = ((1 << hashBits) - 1);
            for (int limit = 32; limit <= 1024; limit <<= 1) {
                for (size_t i = 0; i < std::size(gRec); ++i) {
                    int collisions = 0;
                    int glyphs = 0;
                    const uint16_t* array = gUniqueGlyphIDs;
                    while (*array != gUniqueGlyphIDs_Sentinel) {
                        int count = std::min(count_glyphs(array), limit);
                        collisions += count_collisions(array, count, gRec[i].fHasher, hashMask);
                        glyphs += count;
                        array += count + 1;    // skip the sentinel
                    }
                    SkDebugf("hashBits [%d] limit [%d] collisions [%d / %d = %1.2g%%] using %s\n", hashBits, limit, collisions, glyphs,
                             collisions * 100.0 / glyphs, gRec[i].fName);
                }
            }
        }
    }

◆ onGetName()

const char * FontCacheEfficiency::onGetName ( )

inlineoverrideprotectedvirtual

Implements Benchmark.

Definition at line 110 of file FontCacheBench.cpp.

                                     {
        return "fontefficiency";
    }

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

third_party/skia/bench/FontCacheBench.cpp

Public Member Functions