VertBench Class Reference

Inheritance diagram for VertBench:

Public Member Functions
	VertBench (unsigned flags)
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 *	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

Definition at line 33 of file VertBench.cpp.

Constructor & Destructor Documentation

VertBench()

VertBench::VertBench ( unsigned  flags )

inline

Definition at line 67 of file VertBench.cpp.

                              : fFlags(flags) {
        const SkScalar dx = SkIntToScalar(W) / COL;
        const SkScalar dy = SkIntToScalar(H) / COL;
 
        SkPoint* pts = fPts;
        uint16_t* idx = fIdx;
 
        SkScalar yy = 0;
        for (int y = 0; y <= ROW; y++) {
            SkScalar xx = 0;
            for (int x = 0; x <= COL; ++x) {
                pts->set(xx, yy);
                pts += 1;
                xx += dx;
 
                if (x < COL && y < ROW) {
                    load_2_tris(idx, x, y, COL + 1);
                    for (int i = 0; i < 6; i++) {
                        SkASSERT(idx[i] < PTS);
                    }
                    idx += 6;
                }
            }
            yy += dy;
        }
        SkASSERT(PTS == pts - fPts);
        SkASSERT(IDX == idx - fIdx);
 
        // We want to store texs in a separate array, so the blitters don't "cheat" and
        // skip the (normal) step of computing the new local-matrix. This is the common case
        // we think in the wild (where the texture coordinates are different from the positions.
        memcpy(fTex, fPts, sizeof(fPts));
 
        SkRandom rand;
        for (int i = 0; i < PTS; ++i) {
            fColors[i] = rand.nextU() | (0xFF << 24);
        }
 
        fName.set("verts");
        if (fFlags & kTexture_VertFlag) {
            fName.append("_textures");
        }
        if (fFlags & kColors_VertFlag) {
            fName.append("_colors");
        }
        if (fFlags & kPersp_VertFlag) {
            fName.append("_persp");
        }
        if (fFlags & kBilerp_VertFlag) {
            fName.append("_bilerp");
        }
    }

Member Function Documentation

onDraw()

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

inlineoverrideprotectedvirtual

Implements Benchmark.

Definition at line 122 of file VertBench.cpp.

                                                      {
        SkPaint paint;
        this->setupPaint(&paint);
        paint.setShader(fShader);
 
        if (fFlags & kPersp_VertFlag) {
            tiny_persp_effect(canvas);
        }
 
        const SkPoint* texs = (fFlags & kTexture_VertFlag) ? fTex    : nullptr;
        const SkColor* cols = (fFlags & kColors_VertFlag)  ? fColors : nullptr;
        auto verts = SkVertices::MakeCopy(SkVertices::kTriangles_VertexMode, PTS,
                                          fPts, texs, cols, IDX, fIdx);
        for (int i = 0; i < loops; i++) {
            canvas->drawVertices(verts, SkBlendMode::kModulate, paint);
        }
    }

onGetName()

const char * VertBench::onGetName ( )

inlineoverrideprotectedvirtual

Implements Benchmark.

Definition at line 121 of file VertBench.cpp.

{ return fName.c_str(); }

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

• third_party/skia/bench/VertBench.cpp