aboutsummaryrefslogtreecommitdiffhomepage
path: root/bench/benchmain.cpp
blob: e088d12f18b672f6ae7e91e078efd72f6cc245ea (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760

/*
 * Copyright 2011 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */


#include "BenchTimer.h"

#include "GrContext.h"
#include "GrRenderTarget.h"

#include "SkBenchmark.h"
#include "SkCanvas.h"
#include "SkDeferredCanvas.h"
#include "SkColorPriv.h"
#include "SkGpuDevice.h"
#include "SkGraphics.h"
#include "SkImageEncoder.h"
#if SK_ANGLE
#include "gl/SkANGLEGLContext.h"
#endif
#include "gl/SkNativeGLContext.h"
#include "gl/SkNullGLContext.h"
#include "gl/SkDebugGLContext.h"
#include "SkNWayCanvas.h"
#include "SkPicture.h"
#include "SkString.h"

#ifdef SK_BUILD_FOR_ANDROID
static void log_error(const char msg[]) { SkDebugf("%s", msg); }
static void log_progress(const char msg[]) { SkDebugf("%s", msg); }
#else
static void log_error(const char msg[]) { fprintf(stderr, "%s", msg); }
static void log_progress(const char msg[]) { printf("%s", msg); }
#endif

static void log_error(const SkString& str) { log_error(str.c_str()); }
static void log_progress(const SkString& str) { log_progress(str.c_str()); }

///////////////////////////////////////////////////////////////////////////////

static void erase(SkBitmap& bm) {
    if (bm.config() == SkBitmap::kA8_Config) {
        bm.eraseColor(0);
    } else {
        bm.eraseColor(SK_ColorWHITE);
    }
}

#if 0
static bool equal(const SkBitmap& bm1, const SkBitmap& bm2) {
    if (bm1.width() != bm2.width() ||
        bm1.height() != bm2.height() ||
        bm1.config() != bm2.config()) {
        return false;
    }
    
    size_t pixelBytes = bm1.width() * bm1.bytesPerPixel();
    for (int y = 0; y < bm1.height(); y++) {
        if (memcmp(bm1.getAddr(0, y), bm2.getAddr(0, y), pixelBytes)) {
            return false;
        }
    }
    return true;
}
#endif

class Iter {
public:
    Iter(void* param) {
        fBench = BenchRegistry::Head();
        fParam = param;
    }
    
    SkBenchmark* next() {
        if (fBench) {
            BenchRegistry::Factory f = fBench->factory();
            fBench = fBench->next();
            return f(fParam);
        }
        return NULL;
    }

private:
    const BenchRegistry* fBench;
    void* fParam;
};

static void make_filename(const char name[], SkString* path) {
    path->set(name);
    for (int i = 0; name[i]; i++) {
        switch (name[i]) {
            case '/':
            case '\\':
            case ' ':
            case ':':
                path->writable_str()[i] = '-';
                break;
            default:
                break;
        }
    }
}

static void saveFile(const char name[], const char config[], const char dir[],
                     const SkBitmap& bm) {
    SkBitmap copy;
    if (!bm.copyTo(&copy, SkBitmap::kARGB_8888_Config)) {
        return;
    }
    
    if (bm.config() == SkBitmap::kA8_Config) {
        // turn alpha into gray-scale
        size_t size = copy.getSize() >> 2;
        SkPMColor* p = copy.getAddr32(0, 0);
        for (size_t i = 0; i < size; i++) {
            int c = (*p >> SK_A32_SHIFT) & 0xFF;
            c = 255 - c;
            c |= (c << 24) | (c << 16) | (c << 8);
            *p++ = c | (SK_A32_MASK << SK_A32_SHIFT);
        }
    }
    
    SkString str;
    make_filename(name, &str);
    str.appendf("_%s.png", config);
    str.prepend(dir);
    ::remove(str.c_str());
    SkImageEncoder::EncodeFile(str.c_str(), copy, SkImageEncoder::kPNG_Type,
                               100);
}

static void performClip(SkCanvas* canvas, int w, int h) {
    SkRect r;
    
    r.set(SkIntToScalar(10), SkIntToScalar(10),
          SkIntToScalar(w*2/3), SkIntToScalar(h*2/3));
    canvas->clipRect(r, SkRegion::kIntersect_Op);
    
    r.set(SkIntToScalar(w/3), SkIntToScalar(h/3),
          SkIntToScalar(w-10), SkIntToScalar(h-10));
    canvas->clipRect(r, SkRegion::kXOR_Op);
}

static void performRotate(SkCanvas* canvas, int w, int h) {
    const SkScalar x = SkIntToScalar(w) / 2;
    const SkScalar y = SkIntToScalar(h) / 2;
    
    canvas->translate(x, y);
    canvas->rotate(SkIntToScalar(35));
    canvas->translate(-x, -y);
}

static void performScale(SkCanvas* canvas, int w, int h) {
    const SkScalar x = SkIntToScalar(w) / 2;
    const SkScalar y = SkIntToScalar(h) / 2;
    
    canvas->translate(x, y);
    // just enough so we can't take the sprite case
    canvas->scale(SK_Scalar1 * 99/100, SK_Scalar1 * 99/100);
    canvas->translate(-x, -y);
}

static bool parse_bool_arg(char * const* argv, char* const* stop, bool* var) {
    if (argv < stop) {
        *var = atoi(*argv) != 0;
        return true;
    }
    return false;
}

enum Backend {
    kRaster_Backend,
    kGPU_Backend,
    kPDF_Backend,
};

class GLHelper {
public:
    GLHelper() {
    }

    bool init(SkGLContext* glCtx, int width, int height) {
        GrContext* grCtx;
        GrRenderTarget* rt;
        if (glCtx->init(width, height)) {
            GrPlatform3DContext ctx =
                reinterpret_cast<GrPlatform3DContext>(glCtx->gl());
            grCtx = GrContext::Create(kOpenGL_Shaders_GrEngine, ctx);
            if (NULL != grCtx) {
                GrPlatformRenderTargetDesc desc;
                desc.fConfig = kSkia8888_PM_GrPixelConfig;
                desc.fWidth = width;
                desc.fHeight = height;
                desc.fStencilBits = 8;
                desc.fRenderTargetHandle = glCtx->getFBOID();
                rt = grCtx->createPlatformRenderTarget(desc);
                if (NULL == rt) {
                    grCtx->unref();
                    return false;
                }
            }
        } else {
            return false;
        }
        glCtx->ref();
        fGLContext.reset(glCtx);
        fGrContext.reset(grCtx);
        fRenderTarget.reset(rt);
        return true;
    }

    void cleanup() {
        fGLContext.reset(NULL);
        fGrContext.reset(NULL);
        fRenderTarget.reset(NULL);
    }

    bool isValid() {
        return NULL != fGLContext.get();
    }

    SkGLContext* glContext() {
        return fGLContext.get();
    }

    GrRenderTarget* renderTarget() {
        return fRenderTarget.get();
    }

    GrContext* grContext() {
        return fGrContext.get();
    }
private:
    SkAutoTUnref<SkGLContext> fGLContext;
    SkAutoTUnref<GrContext> fGrContext;
    SkAutoTUnref<GrRenderTarget> fRenderTarget;
};

static GLHelper gRealGLHelper;
static GLHelper gNullGLHelper;
static GLHelper gDebugGLHelper;
#if SK_ANGLE
static GLHelper gANGLEGLHelper;
#endif

static SkDevice* make_device(SkBitmap::Config config, const SkIPoint& size,
                             Backend backend, GLHelper* glHelper) {
    SkDevice* device = NULL;
    SkBitmap bitmap;
    bitmap.setConfig(config, size.fX, size.fY);
    
    switch (backend) {
        case kRaster_Backend:
            bitmap.allocPixels();
            erase(bitmap);
            device = new SkDevice(bitmap);
            break;
        case kGPU_Backend:
            device = new SkGpuDevice(glHelper->grContext(),
                                     glHelper->renderTarget());
            break;
        case kPDF_Backend:
        default:
            SkASSERT(!"unsupported");
    }
    return device;
}

static const struct {
    SkBitmap::Config    fConfig;
    const char*         fName;
    Backend             fBackend;
    GLHelper*           fGLHelper;
} gConfigs[] = {
    { SkBitmap::kARGB_8888_Config,  "8888",     kRaster_Backend, NULL },
    { SkBitmap::kRGB_565_Config,    "565",      kRaster_Backend, NULL },
    { SkBitmap::kARGB_8888_Config,  "GPU",      kGPU_Backend, &gRealGLHelper },
#if SK_ANGLE
    { SkBitmap::kARGB_8888_Config,  "ANGLE",    kGPU_Backend, &gANGLEGLHelper },
#endif
#ifdef SK_DEBUG
    { SkBitmap::kARGB_8888_Config,  "Debug",    kGPU_Backend, &gDebugGLHelper },
#endif
    { SkBitmap::kARGB_8888_Config,  "NULLGPU",  kGPU_Backend, &gNullGLHelper },
};

static int findConfig(const char config[]) {
    for (size_t i = 0; i < SK_ARRAY_COUNT(gConfigs); i++) {
        if (!strcmp(config, gConfigs[i].fName)) {
            return i;
        }
    }
    return -1;
}

static void determine_gpu_context_size(SkTDict<const char*>& defineDict,
                                       int* contextWidth,
                                       int* contextHeight) {
    Iter iter(&defineDict);
    SkBenchmark* bench;
    while ((bench = iter.next()) != NULL) {
        SkIPoint dim = bench->getSize();
        if (*contextWidth < dim.fX) {
            *contextWidth = dim.fX;
        }
        if (*contextHeight < dim.fY) {
            *contextHeight = dim.fY;
        }
    }
}

static bool skip_name(const SkTDArray<const char*> array, const char name[]) {
    if (0 == array.count()) {
        // no names, so don't skip anything
        return false;
    }
    for (int i = 0; i < array.count(); ++i) {
        if (strstr(name, array[i])) {
            // found the name, so don't skip
            return false;
        }
    }
    return true;
}

static void help() {
    SkDebugf("Usage: bench [-o outDir] [-repeat nr] [-logPerIter 1|0] "
                          "[-timers [wcg]*] [-rotate]\n"
             "    [-scale] [-clip] [-forceAA 1|0] [-forceFilter 1|0]\n"
             "    [-forceDither 1|0] [-forceBlend 1|0] [-strokeWidth width]\n"
             "    [-forceDeferred 1|0] [-match name]\n"
             "    [-config 8888|565|GPU|ANGLE|NULLGPU] [-Dfoo bar]\n"
             "    [-h|--help]");
    SkDebugf("\n\n");
    SkDebugf("    -o outDir : Image of each bench will be put in outDir.\n");
    SkDebugf("    -repeat nr : Each bench repeats for nr times.\n");
    SkDebugf("    -logPerIter 1|0 : "
             "Log each repeat timer instead of mean, default is disabled.\n");
    SkDebugf("    -timers [wcg]* : "
             "Display wall time, cpu time or gpu time for each bench.\n");
    SkDebugf("    -rotate : Rotate before each bench runs.\n");
    SkDebugf("    -scale : Scale before each bench runs.\n");
    SkDebugf("    -clip : Clip before each bench runs.\n");
    SkDebugf("    -forceAA 1|0 : "
             "Enable/disable anti-aliased, default is enabled.\n");
    SkDebugf("    -forceFilter 1|0 : "
             "Enable/disable bitmap filtering, default is disabled.\n");
    SkDebugf("    -forceDither 1|0 : "
             "Enable/disable dithering, default is disabled.\n");
    SkDebugf("    -forceBlend 1|0 : "
             "Enable/disable dithering, default is disabled.\n");
    SkDebugf("    -forceDeferred 1|0 : "
             "Enable/disable deferred canvas, default is disabled.\n");
    SkDebugf("    -strokeWidth width : The width for path stroke.\n");
    SkDebugf("    -match name : Only run bench whose name is matched.\n");
    SkDebugf("    -config 8888|565|GPU|ANGLE|NULLGPU : "
             "Run bench in corresponding config mode.\n");
    SkDebugf("    -Dfoo bar : Add extra definition to bench.\n");
    SkDebugf("    -h|--help : Show this help message.\n");
}

int main (int argc, char * const argv[]) {
    SkAutoGraphics ag;
    
    SkTDict<const char*> defineDict(1024);
    int repeatDraw = 1;
    bool logPerIter = false;
    int forceAlpha = 0xFF;
    bool forceAA = true;
    bool forceFilter = false;
    SkTriState::State forceDither = SkTriState::kDefault;
    bool forceDeferred = false;
    bool timerWall = false;
    bool timerCpu = true;
    bool timerGpu = true;
    bool doScale = false;
    bool doRotate = false;
    bool doClip = false;
    bool hasStrokeWidth = false;
    float strokeWidth;
    SkTDArray<const char*> fMatches;
    
    SkString outDir;
    SkBitmap::Config outConfig = SkBitmap::kNo_Config;
    GLHelper* glHelper = NULL;
    const char* configName = "";
    Backend backend = kRaster_Backend;  // for warning
    SkTDArray<int> configs;
    bool userConfig = false;
    
    char* const* stop = argv + argc;
    for (++argv; argv < stop; ++argv) {
        if (strcmp(*argv, "-o") == 0) {
            argv++;
            if (argv < stop && **argv) {
                outDir.set(*argv);
                if (outDir.c_str()[outDir.size() - 1] != '/') {
                    outDir.append("/");
                }
            }
        } else if (strcmp(*argv, "-repeat") == 0) {
            argv++;
            if (argv < stop) {
                repeatDraw = atoi(*argv);
                if (repeatDraw < 1) {
                    repeatDraw = 1;
                }
            } else {
                log_error("missing arg for -repeat\n");
                help();
                return -1;
            }
        } else if (strcmp(*argv, "-logPerIter") == 0) {
            if (!parse_bool_arg(++argv, stop, &logPerIter)) {
                log_error("missing arg for -logPerIter\n");
                help();
                return -1;
            }
        } else if (strcmp(*argv, "-timers") == 0) {
            argv++;
            if (argv < stop) {
                timerWall = false;
                timerCpu = false;
                timerGpu = false;
                for (char* t = *argv; *t; ++t) {
                    switch (*t) {
                    case 'w': timerWall = true; break;
                    case 'c': timerCpu = true; break;
                    case 'g': timerGpu = true; break;
                    }
                }
            } else {
                log_error("missing arg for -timers\n");
                help();
                return -1;
            }
        } else if (!strcmp(*argv, "-rotate")) {
            doRotate = true;
        } else if (!strcmp(*argv, "-scale")) {
            doScale = true;
        } else if (!strcmp(*argv, "-clip")) {
            doClip = true;
        } else if (strcmp(*argv, "-forceAA") == 0) {
            if (!parse_bool_arg(++argv, stop, &forceAA)) {
                log_error("missing arg for -forceAA\n");
                help();
                return -1;
            }
        } else if (strcmp(*argv, "-forceFilter") == 0) {
            if (!parse_bool_arg(++argv, stop, &forceFilter)) {
                log_error("missing arg for -forceFilter\n");
                help();
                return -1;
            }
        } else if (strcmp(*argv, "-forceDither") == 0) {
            bool tmp;
            if (!parse_bool_arg(++argv, stop, &tmp)) {
                log_error("missing arg for -forceDither\n");
                help();
                return -1;
            }
            forceDither = tmp ? SkTriState::kTrue : SkTriState::kFalse;
        } else if (strcmp(*argv, "-forceBlend") == 0) {
            bool wantAlpha = false;
            if (!parse_bool_arg(++argv, stop, &wantAlpha)) {
                log_error("missing arg for -forceBlend\n");
                help();
                return -1;
            }
            forceAlpha = wantAlpha ? 0x80 : 0xFF;
        } else if (strcmp(*argv, "-forceDeferred") == 0) {
            if (!parse_bool_arg(++argv, stop, &forceDeferred)) {
                log_error("missing arg for -forceDeferred\n");
                help();
                return -1;
            }
        } else if (strcmp(*argv, "-strokeWidth") == 0) {
            argv++;
            if (argv < stop) {
                const char *strokeWidthStr = *argv;
                if (sscanf(strokeWidthStr, "%f", &strokeWidth) != 1) {
                  log_error("bad arg for -strokeWidth\n");
                  help();
                  return -1;
                }
                hasStrokeWidth = true;
            } else {
                log_error("missing arg for -strokeWidth\n");
                help();
                return -1;
            }
        } else if (strcmp(*argv, "-match") == 0) {
            argv++;
            if (argv < stop) {
                *fMatches.append() = *argv;
            } else {
                log_error("missing arg for -match\n");
                help();
                return -1;
            }
        } else if (strcmp(*argv, "-config") == 0) {
            argv++;
            if (argv < stop) {
                int index = findConfig(*argv);
                if (index >= 0) {
                    *configs.append() = index;
                    userConfig = true;
                } else {
                    SkString str;
                    str.printf("unrecognized config %s\n", *argv);
                    log_error(str);
                    help();
                    return -1;
                }
            } else {
                log_error("missing arg for -config\n");
                help();
                return -1;
            }
        } else if (strlen(*argv) > 2 && strncmp(*argv, "-D", 2) == 0) {
            argv++;
            if (argv < stop) {
                defineDict.set(argv[-1] + 2, *argv);
            } else {
                log_error("incomplete '-Dfoo bar' definition\n");
                help();
                return -1;
            }
        } else if (strcmp(*argv, "--help") == 0 || strcmp(*argv, "-h") == 0) {
            help();
            return 0;
        } else {
            SkString str;
            str.printf("unrecognized arg %s\n", *argv);
            log_error(str);
            help();
            return -1;
        }
    }
    if (!userConfig) {
        // if no config is specified by user, we add them all.
        for (unsigned int i = 0; i < SK_ARRAY_COUNT(gConfigs); ++i) {
            *configs.append() = i;
        }
    }
    
    // report our current settings
    {
        SkString str;
        str.printf("skia bench: alpha=0x%02X antialias=%d filter=%d "
                   "deferred=%d logperiter=%d",
                   forceAlpha, forceAA, forceFilter, forceDeferred, logPerIter);
        str.appendf(" rotate=%d scale=%d clip=%d",
                   doRotate, doScale, doClip);
                   
        const char * ditherName;
        switch (forceDither) {
            case SkTriState::kDefault: ditherName = "default"; break;
            case SkTriState::kTrue: ditherName = "true"; break;
            case SkTriState::kFalse: ditherName = "false"; break;
            default: ditherName = "<invalid>"; break;
        }
        str.appendf(" dither=%s", ditherName);
        
        if (hasStrokeWidth) {
            str.appendf(" strokeWidth=%f", strokeWidth);
        } else {
            str.append(" strokeWidth=none");
        }
        
#if defined(SK_SCALAR_IS_FLOAT)
        str.append(" scalar=float");
#elif defined(SK_SCALAR_IS_FIXED)
        str.append(" scalar=fixed");
#endif

#if defined(SK_BUILD_FOR_WIN32)
        str.append(" system=WIN32");
#elif defined(SK_BUILD_FOR_MAC)
        str.append(" system=MAC");
#elif defined(SK_BUILD_FOR_ANDROID)
        str.append(" system=ANDROID");
#elif defined(SK_BUILD_FOR_UNIX)
        str.append(" system=UNIX");
#else
        str.append(" system=other");
#endif

#if defined(SK_DEBUG)
        str.append(" DEBUG");
#endif
        str.append("\n");
        log_progress(str);
    }

    //Don't do GL when fixed.
#if !defined(SK_SCALAR_IS_FIXED)
    int contextWidth = 1024;
    int contextHeight = 1024;
    determine_gpu_context_size(defineDict, &contextWidth, &contextHeight);
    SkAutoTUnref<SkGLContext> realGLCtx(new SkNativeGLContext);
    SkAutoTUnref<SkGLContext> nullGLCtx(new SkNullGLContext);
    SkAutoTUnref<SkGLContext> debugGLCtx(new SkDebugGLContext);
#if SK_ANGLE
    SkAutoTUnref<SkGLContext> angleGLCtx(new SkANGLEGLContext);
#endif
    gRealGLHelper.init(realGLCtx.get(), contextWidth, contextHeight);
    gNullGLHelper.init(nullGLCtx.get(), contextWidth, contextHeight);
    gDebugGLHelper.init(debugGLCtx.get(), contextWidth, contextHeight);
#if SK_ANGLE
    gANGLEGLHelper.init(angleGLCtx.get(), contextWidth, contextHeight);
#endif
#endif

    BenchTimer timer = BenchTimer(gRealGLHelper.glContext());
    Iter iter(&defineDict);
    SkBenchmark* bench;
    while ((bench = iter.next()) != NULL) {
        SkIPoint dim = bench->getSize();
        if (dim.fX <= 0 || dim.fY <= 0) {
            continue;
        }
        
        bench->setForceAlpha(forceAlpha);
        bench->setForceAA(forceAA);
        bench->setForceFilter(forceFilter);
        bench->setDither(forceDither);
        if (hasStrokeWidth) {
            bench->setStrokeWidth(strokeWidth);
        }
        
        // only run benchmarks if their name contains matchStr
        if (skip_name(fMatches, bench->getName())) {
            continue;
        }
        
        {
            SkString str;
            str.printf("running bench [%d %d] %28s", dim.fX, dim.fY,
                       bench->getName());
            log_progress(str);
        }
        
        for (int x = 0; x < configs.count(); ++x) {
            int configIndex = configs[x];

            outConfig = gConfigs[configIndex].fConfig;
            configName = gConfigs[configIndex].fName;
            backend = gConfigs[configIndex].fBackend;
            glHelper = gConfigs[configIndex].fGLHelper;

            if (kGPU_Backend == backend &&
                (NULL == glHelper || !glHelper->isValid())) {
                continue;
            }
            
            SkDevice* device = make_device(outConfig, dim, backend, glHelper);
            SkCanvas* canvas;
            if (forceDeferred) {
                canvas = new SkDeferredCanvas(device);
            } else {
                canvas = new SkCanvas(device);
            }
            device->unref();
            SkAutoUnref canvasUnref(canvas);

            if (doClip) {
                performClip(canvas, dim.fX, dim.fY);
            }
            if (doScale) {
                performScale(canvas, dim.fX, dim.fY);
            }
            if (doRotate) {
                performRotate(canvas, dim.fX, dim.fY);
            }

            // warm up caches if needed
            if (repeatDraw > 1) {
                SkAutoCanvasRestore acr(canvas, true);
                bench->draw(canvas);
                canvas->flush();
                if (glHelper) {
                    glHelper->grContext()->flush();
                    SK_GL(*glHelper->glContext(), Finish());
                }
            }

            // record timer values for each repeat, and their sum
            SkString fWallStr(" msecs = ");
            SkString fCpuStr(" cmsecs = ");
            SkString fGpuStr(" gmsecs = ");
            double fWallSum = 0.0;
            double fCpuSum = 0.0;
            double fGpuSum = 0.0;
            for (int i = 0; i < repeatDraw; i++) {
                timer.start();
                SkAutoCanvasRestore acr(canvas, true);
                bench->draw(canvas);
                canvas->flush();
                if (glHelper) {
                    glHelper->grContext()->flush();
                }
                timer.end();

                if (i == repeatDraw - 1) {
                    // no comma after the last value
                    fWallStr.appendf("%.2f", timer.fWall);
                    fCpuStr.appendf("%.2f", timer.fCpu);
                    fGpuStr.appendf("%.2f", timer.fGpu);
                } else {
                    fWallStr.appendf("%.2f,", timer.fWall);
                    fCpuStr.appendf("%.2f,", timer.fCpu);
                    fGpuStr.appendf("%.2f,", timer.fGpu);
                }
                fWallSum += timer.fWall;
                fCpuSum += timer.fCpu;
                fGpuSum += timer.fGpu;
            }
           if (glHelper) {
                SK_GL(*glHelper->glContext(), Finish());
           }

            if (repeatDraw > 1) {
                // output each repeat (no average) if logPerIter is set,
                // otherwise output only the average
                if (!logPerIter) {
                    fWallStr.printf(" msecs = %6.2f", fWallSum / repeatDraw);
                    fCpuStr.printf(" cmsecs = %6.2f", fCpuSum / repeatDraw);
                    fGpuStr.printf(" gmsecs = %6.2f", fGpuSum / repeatDraw);
                }
                SkString str;
                str.printf("  %4s:", configName);
                if (timerWall) {
                    str += fWallStr;
                }
                if (timerCpu) {
                    str += fCpuStr;
                }
                if (timerGpu && glHelper && fGpuSum > 0) {
                    str += fGpuStr;
                }
                log_progress(str);
            }
            if (outDir.size() > 0) {
                saveFile(bench->getName(), configName, outDir.c_str(),
                         device->accessBitmap(false));
            }
        }
        log_progress("\n");
    }

    // need to clean up here rather than post-main to allow leak detection to work
    gDebugGLHelper.cleanup();

    return 0;
}