add benchmark for stroked drawRect/drawOval/drawRRect, to prepare for optimizing
those based on special-casing stroking for single-contour-convex shapes. git-svn-id: http://skia.googlecode.com/svn/trunk@7537 2bbb7eff-a529-9590-31e7-b0007b416f81
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105
bench/StrokeBench.cpp
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105
bench/StrokeBench.cpp
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/*
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* Copyright 2013 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SkBenchmark.h"
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#include "SkCanvas.h"
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#include "SkPaint.h"
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#include "SkRRect.h"
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#include "SkString.h"
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struct RRectRec {
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SkCanvas* fCanvas;
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SkRRect fRRect;
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SkPaint fPaint;
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};
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typedef const char* (*DrawProc)(const RRectRec*, int);
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static const char* draw_rect(const RRectRec* rec, int count) {
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if (rec) {
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const SkRect& r = rec->fRRect.getBounds();
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for (int i = 0; i < count; ++i) {
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rec->fCanvas->drawRect(r, rec->fPaint);
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}
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}
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return "rect";
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}
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static const char* draw_rrect(const RRectRec* rec, int count) {
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if (rec) {
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for (int i = 0; i < count; ++i) {
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rec->fCanvas->drawRRect(rec->fRRect, rec->fPaint);
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}
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}
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return "rrect";
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}
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static const char* draw_oval(const RRectRec* rec, int count) {
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if (rec) {
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const SkRect& r = rec->fRRect.getBounds();
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for (int i = 0; i < count; ++i) {
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rec->fCanvas->drawOval(r, rec->fPaint);
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}
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}
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return "oval";
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}
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// Handles rect, rrect, and oval
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//
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// Test drawing a small stroked version to see the effect of special-casing
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// our stroke code for these convex single-contour shapes.
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//
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class StrokeRRectBench : public SkBenchmark {
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SkString fName;
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SkPaint::Join fJoin;
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RRectRec fRec;
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DrawProc fProc;
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enum { N = SkBENCHLOOP(500) };
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public:
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StrokeRRectBench(void* param, SkPaint::Join j, DrawProc proc) : SkBenchmark(param) {
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static const char* gJoinName[] = {
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"miter", "round", "bevel"
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};
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fJoin = j;
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fProc = proc;
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fName.printf("draw_stroke_%s_%s", proc(NULL, 0), gJoinName[j]);
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SkRect r = { 20, 20, 40, 40 };
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SkScalar rad = 4;
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fRec.fRRect.setRectXY(r, rad, rad);
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}
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protected:
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virtual const char* onGetName() {
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return fName.c_str();
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}
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virtual void onDraw(SkCanvas* canvas) {
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fRec.fCanvas = canvas;
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this->setupPaint(&fRec.fPaint);
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fRec.fPaint.setStyle(SkPaint::kStroke_Style);
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fRec.fPaint.setStrokeJoin(fJoin);
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fRec.fPaint.setStrokeWidth(5);
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fProc(&fRec, N);
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}
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private:
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typedef SkBenchmark INHERITED;
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};
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DEF_BENCH( return new StrokeRRectBench(p, SkPaint::kRound_Join, draw_rect); )
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DEF_BENCH( return new StrokeRRectBench(p, SkPaint::kBevel_Join, draw_rect); )
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DEF_BENCH( return new StrokeRRectBench(p, SkPaint::kMiter_Join, draw_rect); )
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DEF_BENCH( return new StrokeRRectBench(p, SkPaint::kRound_Join, draw_rrect); )
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DEF_BENCH( return new StrokeRRectBench(p, SkPaint::kBevel_Join, draw_rrect); )
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DEF_BENCH( return new StrokeRRectBench(p, SkPaint::kMiter_Join, draw_rrect); )
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DEF_BENCH( return new StrokeRRectBench(p, SkPaint::kRound_Join, draw_oval); )
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DEF_BENCH( return new StrokeRRectBench(p, SkPaint::kBevel_Join, draw_oval); )
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DEF_BENCH( return new StrokeRRectBench(p, SkPaint::kMiter_Join, draw_oval); )
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@ -42,6 +42,7 @@
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'../bench/ScalarBench.cpp',
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'../bench/ScalarBench.cpp',
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'../bench/ShaderMaskBench.cpp',
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'../bench/ShaderMaskBench.cpp',
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'../bench/SortBench.cpp',
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'../bench/SortBench.cpp',
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'../bench/StrokeBench.cpp',
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'../bench/TableBench.cpp',
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'../bench/TableBench.cpp',
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'../bench/TextBench.cpp',
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'../bench/TextBench.cpp',
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'../bench/TileBench.cpp',
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'../bench/TileBench.cpp',
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