PathTextBench Class Reference

Inheritance diagram for PathTextBench:

Public Member Functions
	PathTextBench (bool clipped, bool uncached)
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

Private Member Functions
const char *	onGetName () override
SkISize	onGetSize () override
void	onDelayedSetup () override
void	onDraw (int loops, SkCanvas *canvas) override

Additional Inherited Members
Public Types inherited from Benchmark
enum class	Backend {   kNonRendering , kRaster , kGanesh , kGraphite ,   kPDF , kHWUI }
Protected Member Functions inherited from Benchmark
void	setUnits (int units)
virtual void	setupPaint (SkPaint *paint)
virtual const char *	onGetUniqueName ()
virtual void	onPerCanvasPreDraw (SkCanvas *)
virtual void	onPerCanvasPostDraw (SkCanvas *)
virtual void	onPreDraw (SkCanvas *)
virtual void	onPostDraw (SkCanvas *)

Detailed Description

Definition at line 33 of file PathTextBench.cpp.

Constructor & Destructor Documentation

PathTextBench()

PathTextBench::PathTextBench ( bool  clipped, bool  uncached  )

inline

Definition at line 35 of file PathTextBench.cpp.

: fClipped(clipped), fUncached(uncached) {}

Member Function Documentation

onDelayedSetup()

void PathTextBench::onDelayedSetup ( )

inlineoverrideprivatevirtual

Reimplemented from Benchmark.

Definition at line 50 of file PathTextBench.cpp.

                                   {
        SkFont defaultFont = ToolUtils::DefaultFont();
        SkStrikeSpec strikeSpec = SkStrikeSpec::MakeWithNoDevice(defaultFont);
        SkBulkGlyphMetricsAndPaths pathMaker{strikeSpec};
        for (int i = 0; i < kNumGlyphs; ++i) {
            SkGlyphID id(defaultFont.unicharToGlyph(kGlyphs[i]));
            const SkGlyph* glyph = pathMaker.glyph(id);
            if (glyph->path()) {
                fGlyphs[i] = *glyph->path();
            }
            fGlyphs[i].setIsVolatile(fUncached);
        }
 
        SkRandom rand;
        for (int i = 0; i < kNumDraws; ++i) {
            const SkPath& glyph = fGlyphs[i % kNumGlyphs];
            const SkRect& bounds = glyph.getBounds();
            float glyphSize = std::max(bounds.width(), bounds.height());
            SkASSERT(glyphSize > 0);
 
            float t0 = pow(rand.nextF(), 100);
            float size = (1 - t0) * std::min(kScreenWidth, kScreenHeight) / 50 +
                         t0 * std::min(kScreenWidth, kScreenHeight) / 3;
            float scale = size / glyphSize;
            float t1 = rand.nextF(), t2 = rand.nextF();
            fXforms[i].setTranslate((1 - t1) * sqrt(2) * scale/2 * glyphSize +
                                     t1 * (kScreenWidth - sqrt(2) * scale/2 * glyphSize),
                                     (1 - t2) * sqrt(2) * scale/2 * glyphSize +
                                     t2 * (kScreenHeight - sqrt(2) * scale/2 * glyphSize));
            fXforms[i].preRotate(rand.nextF() * 360);
            fXforms[i].preTranslate(-scale/2 * bounds.width(), -scale/2 * bounds.height());
            fXforms[i].preScale(scale, scale);
            fPaints[i].setAntiAlias(true);
            fPaints[i].setColor(rand.nextU() | 0x80808080);
        }
 
        if (fClipped) {
            fClipPath = ToolUtils::make_star(SkRect::MakeIWH(kScreenWidth, kScreenHeight), 11, 3);
            fClipPath.setIsVolatile(fUncached);
        }
    }

onDraw()

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

inlineoverrideprivatevirtual

Implements Benchmark.

Definition at line 92 of file PathTextBench.cpp.

                                                      {
        SkAutoCanvasRestore acr(canvas, true);
        if (fClipped) {
            canvas->clipPath(fClipPath, SkClipOp::kIntersect, true);
        }
        for (int i = 0; i < kNumDraws; ++i) {
            const SkPath& glyph = fGlyphs[i % kNumGlyphs];
            canvas->setMatrix(fXforms[i]);
            canvas->drawPath(glyph, fPaints[i]);
        }
    }

onGetName()

const char * PathTextBench::onGetName ( )

inlineoverrideprivatevirtual

Implements Benchmark.

Definition at line 38 of file PathTextBench.cpp.

                                     {
        fName = "path_text";
        if (fClipped) {
            fName.append("_clipped");
        }
        if (fUncached) {
            fName.append("_uncached");
        }
        return fName.c_str();
    }

onGetSize()

SkISize PathTextBench::onGetSize ( )

inlineoverrideprivatevirtual

Reimplemented from Benchmark.

Definition at line 48 of file PathTextBench.cpp.

{ return SkISize::Make(kScreenWidth, kScreenHeight); }

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

• third_party/skia/bench/PathTextBench.cpp