e0e7cfe44b
The goal here is to get people to start using the new random number generator, while leaving the old one in place so we don't have to rebaseline GMs. R=reed@google.com, bsalomon@google.com Author: jvanverth@google.com Review URL: https://chromiumcodereview.appspot.com/23576015 git-svn-id: http://skia.googlecode.com/svn/trunk@11169 2bbb7eff-a529-9590-31e7-b0007b416f81
78 lines
1.9 KiB
C++
78 lines
1.9 KiB
C++
/*
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* Copyright 2011 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 "SkPathUtils.h"
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#include "SkRandom.h"
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#include "SkTime.h"
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#include "SkString.h"
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#define H 16
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#define W 16
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#define STRIDE 2
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//this function is redefined for sample, test, and bench. is there anywhere
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// I can put it to avoid code duplcation?
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static void fillRandomBits( int chars, char* bits ){
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SkRandom rand(SkTime::GetMSecs());
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for (int i = 0; i < chars; ++i){
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bits[i] = rand.nextU();
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}
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}
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static void path_proc(char* bits, SkPath* path) {
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SkPathUtils::BitsToPath_Path(path, bits, H, W, STRIDE);
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}
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static void region_proc(char* bits, SkPath* path) {
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SkPathUtils::BitsToPath_Region(path, bits, H, W, STRIDE);
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}
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/// Emulates the mix of rects blitted by gmail during scrolling
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class PathUtilsBench : public SkBenchmark {
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typedef void (*Proc)(char*, SkPath*);
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Proc fProc;
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SkString fName;
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char* bits[H * STRIDE];
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enum { N = SkBENCHLOOP(20) };
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public:
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PathUtilsBench(void* param, Proc proc, const char name[]) : INHERITED(param) {
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fProc = proc;
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fName.printf("pathUtils_%s", name);
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}
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protected:
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virtual const char* onGetName() { return fName.c_str(); }
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virtual void onDraw(SkCanvas* canvas) {
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for (int i = 0; i < N; ++i){
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//create a random 16x16 bitmap
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fillRandomBits(H * STRIDE, (char*) &bits);
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//use passed function pointer to handle it
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SkPath path;
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fProc( (char*) &bits, &path);
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}
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}
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private:
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typedef SkBenchmark INHERITED;
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};
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static SkBenchmark* PU_path(void* p) { return SkNEW_ARGS(PathUtilsBench, (p, path_proc, "path")); }
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static SkBenchmark* PU_region(void* p) { return SkNEW_ARGS(PathUtilsBench, (p, region_proc, "region")); }
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static BenchRegistry PU_Path(PU_path);
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static BenchRegistry PU_Region(PU_region);
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