PathMaskCache Class Reference

Inheritance diagram for PathMaskCache:

Public Member Functions
	PathMaskCache ()
Public Member Functions inherited from skiagm::GM
	GM (SkColor backgroundColor=SK_ColorWHITE)
virtual	~GM ()
void	setMode (Mode mode)
Mode	getMode () const
DrawResult	gpuSetup (SkCanvas *, SkString *errorMsg, GraphiteTestContext *=nullptr)
void	gpuTeardown ()
void	onceBeforeDraw ()
DrawResult	draw (SkCanvas *canvas)
DrawResult	draw (SkCanvas *, SkString *errorMsg)
void	drawBackground (SkCanvas *)
DrawResult	drawContent (SkCanvas *canvas)
DrawResult	drawContent (SkCanvas *, SkString *errorMsg)
virtual bool	runAsBench () const
SkScalar	width ()
SkScalar	height ()
SkColor	getBGColor () const
void	setBGColor (SkColor)
void	drawSizeBounds (SkCanvas *, SkColor)
bool	animate (double)
virtual bool	onChar (SkUnichar)
bool	getControls (SkMetaData *controls)
void	setControls (const SkMetaData &controls)
virtual void	modifyGraphiteContextOptions (skgpu::graphite::ContextOptions *) const
virtual bool	isBazelOnly () const
virtual std::map< std::string, std::string >	getGoldKeys () const

Protected Member Functions
SkString	getName () const override
SkISize	getISize () override
void	onDraw (SkCanvas *canvas) override
void	modifyGrContextOptions (GrContextOptions *options) override
Protected Member Functions inherited from skiagm::GM
virtual DrawResult	onGpuSetup (SkCanvas *, SkString *, GraphiteTestContext *)
virtual void	onGpuTeardown ()
virtual void	onOnceBeforeDraw ()
virtual DrawResult	onDraw (SkCanvas *, SkString *errorMsg)
virtual bool	onAnimate (double)
virtual bool	onGetControls (SkMetaData *)
virtual void	onSetControls (const SkMetaData &)
GraphiteTestContext *	graphiteTestContext () const

Additional Inherited Members
Public Types inherited from skiagm::GM
enum	Mode { kGM_Mode , kSample_Mode , kBench_Mode }
using	DrawResult = skiagm::DrawResult
using	GraphiteTestContext = skiatest::graphite::GraphiteTestContext
Static Public Attributes inherited from skiagm::GM
static constexpr char	kErrorMsg_DrawSkippedGpuOnly []

Detailed Description

This tests the GPU backend's caching of path coverage masks

Definition at line 24 of file pathmaskcache.cpp.

Constructor & Destructor Documentation

PathMaskCache()

PathMaskCache::PathMaskCache ( )

inline

Definition at line 26 of file pathmaskcache.cpp.

{}

Member Function Documentation

getISize()

SkISize PathMaskCache::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 31 of file pathmaskcache.cpp.

{ return SkISize::Make(650, 950); }

getName()

SkString PathMaskCache::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 29 of file pathmaskcache.cpp.

{ return SkString("path_mask_cache"); }

modifyGrContextOptions()

void PathMaskCache::modifyGrContextOptions ( GrContextOptions *  options )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 111 of file pathmaskcache.cpp.

                                                                    {
        options->fGpuPathRenderers = GpuPathRenderers::kNone;
        options->fAllowPathMaskCaching = true;
    }

onDraw()

void PathMaskCache::onDraw ( SkCanvas *  canvas )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 33 of file pathmaskcache.cpp.

                                           {
        static constexpr SkScalar kPad = 5.f;
 
        SkPaint paint;
        paint.setAntiAlias(true);
        auto drawPathSet = [canvas] (const SkPath& path, const SkMatrix& m) {
            SkPaint paint;
            paint.setAntiAlias(true);
            SkRect bounds = path.getBounds();
            m.mapRect(&bounds);
            bounds.roundOut();
            canvas->save();
                canvas->translate(-bounds.fLeft, -bounds.fTop);
 
                canvas->save();
                    canvas->concat(m);
                    canvas->drawPath(path, paint);
                canvas->restore();
 
                // translate by integer
                canvas->translate(bounds.width() + kPad, 0.f);
                canvas->save();
                    canvas->concat(m);
                    canvas->drawPath(path, paint);
                canvas->restore();
 
                // translate by non-integer
                canvas->translate(bounds.width() + kPad + 0.15f, 0.f);
                canvas->save();
                    canvas->concat(m);
                    canvas->drawPath(path, paint);
                canvas->restore();
 
                // translate again so total translate fraction is almost identical to previous.
                canvas->translate(bounds.width() + kPad + 0.002f, 0.f);
                canvas->save();
                    canvas->concat(m);
                    canvas->drawPath(path, paint);
                canvas->restore();
            canvas->restore();
            return bounds.fBottom + kPad;
        };
 
 
        TArray<SkPath> paths;
        paths.push_back();
        paths.back().moveTo(0.f, 0.f);
        paths.back().lineTo(98.f, 100.f);
        paths.back().lineTo(100.f, 100.f);
        paths.back().conicTo(150.f, 50.f, 100.f, 0.f, 0.6f);
        paths.back().conicTo(148.f, 50.f, 100.f, 100.f, 0.6f);
        paths.back().conicTo(50.f, 30.f, 0.f, 100.f, 0.9f);
 
        paths.push_back();
        paths.back().addCircle(30.f, 30.f, 30.f);
        paths.back().addRect(SkRect::MakeXYWH(45.f, 45.f, 50.f, 60.f));
        paths.back().setFillType(SkPathFillType::kEvenOdd);
 
        canvas->translate(kPad, kPad);
 
        for (const SkPath& path : paths) {
            SkScalar ty = drawPathSet(path, SkMatrix::I());
            canvas->translate(0, ty);
 
            // Non-uniform scale.
            SkMatrix s;
            s.setScale(0.5f, 2.f);
            ty = drawPathSet(path, s);
            canvas->translate(0.f, ty);
 
            // Rotation
            SkMatrix r;
            r.setRotate(60.f, path.getBounds().centerX(), path.getBounds().centerY());
            ty = drawPathSet(path, r);
            canvas->translate(0.f, ty);
        }
    }

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

• third_party/skia/gm/pathmaskcache.cpp