benchmain.cpp revision 0b15698a8c76bb8abc1b555c1d91892669b4118f 
1#include "SkCanvas.h"
2#include "SkColorPriv.h"
3#include "SkGraphics.h"
4#include "SkImageEncoder.h"
5#include "SkNWayCanvas.h"
6#include "SkPicture.h"
7#include "SkString.h"
8#include "SkTime.h"
9#include "GrContext.h"
10#include "SkGpuDevice.h"
11#include "SkEGLContext.h"
12
13#include "SkBenchmark.h"
14
15#ifdef ANDROID
16static void log_error(const char msg[]) { SkDebugf("%s", msg); }
17static void log_progress(const char msg[]) { SkDebugf("%s", msg); }
18#else
19static void log_error(const char msg[]) { fprintf(stderr, "%s", msg); }
20static void log_progress(const char msg[]) { printf("%s", msg); }
21#endif
22
23static void log_error(const SkString& str) { log_error(str.c_str()); }
24static void log_progress(const SkString& str) { log_progress(str.c_str()); }
25
26///////////////////////////////////////////////////////////////////////////////
27
28static void erase(SkBitmap& bm) {
29    if (bm.config() == SkBitmap::kA8_Config) {
30        bm.eraseColor(0);
31    } else {
32        bm.eraseColor(SK_ColorWHITE);
33    }
34}
35
36#if 0
37static bool equal(const SkBitmap& bm1, const SkBitmap& bm2) {
38    if (bm1.width() != bm2.width() ||
39        bm1.height() != bm2.height() ||
40        bm1.config() != bm2.config()) {
41        return false;
42    }
43
44    size_t pixelBytes = bm1.width() * bm1.bytesPerPixel();
45    for (int y = 0; y < bm1.height(); y++) {
46        if (memcmp(bm1.getAddr(0, y), bm2.getAddr(0, y), pixelBytes)) {
47            return false;
48        }
49    }
50    return true;
51}
52#endif
53
54class Iter {
55public:
56    Iter(void* param) {
57        fBench = BenchRegistry::Head();
58        fParam = param;
59    }
60
61    SkBenchmark* next() {
62        if (fBench) {
63            BenchRegistry::Factory f = fBench->factory();
64            fBench = fBench->next();
65            return f(fParam);
66        }
67        return NULL;
68    }
69
70private:
71    const BenchRegistry* fBench;
72    void* fParam;
73};
74
75static void make_filename(const char name[], SkString* path) {
76    path->set(name);
77    for (int i = 0; name[i]; i++) {
78        switch (name[i]) {
79            case '/':
80            case '\\':
81            case ' ':
82            case ':':
83                path->writable_str()[i] = '-';
84                break;
85            default:
86                break;
87        }
88    }
89}
90
91static void saveFile(const char name[], const char config[], const char dir[],
92                     const SkBitmap& bm) {
93    SkBitmap copy;
94    if (!bm.copyTo(&copy, SkBitmap::kARGB_8888_Config)) {
95        return;
96    }
97
98    if (bm.config() == SkBitmap::kA8_Config) {
99        // turn alpha into gray-scale
100        size_t size = copy.getSize() >> 2;
101        SkPMColor* p = copy.getAddr32(0, 0);
102        for (size_t i = 0; i < size; i++) {
103            int c = (*p >> SK_A32_SHIFT) & 0xFF;
104            c = 255 - c;
105            c |= (c << 24) | (c << 16) | (c << 8);
106            *p++ = c | (SK_A32_MASK << SK_A32_SHIFT);
107        }
108    }
109
110    SkString str;
111    make_filename(name, &str);
112    str.appendf("_%s.png", config);
113    str.prepend(dir);
114    ::remove(str.c_str());
115    SkImageEncoder::EncodeFile(str.c_str(), copy, SkImageEncoder::kPNG_Type,
116                               100);
117}
118
119static void performClip(SkCanvas* canvas, int w, int h) {
120    SkRect r;
121
122    r.set(SkIntToScalar(10), SkIntToScalar(10),
123          SkIntToScalar(w*2/3), SkIntToScalar(h*2/3));
124    canvas->clipRect(r, SkRegion::kIntersect_Op);
125
126    r.set(SkIntToScalar(w/3), SkIntToScalar(h/3),
127          SkIntToScalar(w-10), SkIntToScalar(h-10));
128    canvas->clipRect(r, SkRegion::kXOR_Op);
129}
130
131static void performRotate(SkCanvas* canvas, int w, int h) {
132    const SkScalar x = SkIntToScalar(w) / 2;
133    const SkScalar y = SkIntToScalar(h) / 2;
134
135    canvas->translate(x, y);
136    canvas->rotate(SkIntToScalar(35));
137    canvas->translate(-x, -y);
138}
139
140static void performScale(SkCanvas* canvas, int w, int h) {
141    const SkScalar x = SkIntToScalar(w) / 2;
142    const SkScalar y = SkIntToScalar(h) / 2;
143
144    canvas->translate(x, y);
145    // just enough so we can't take the sprite case
146    canvas->scale(SK_Scalar1 * 99/100, SK_Scalar1 * 99/100);
147    canvas->translate(-x, -y);
148}
149
150static bool parse_bool_arg(char * const* argv, char* const* stop, bool* var) {
151    if (argv < stop) {
152        *var = atoi(*argv) != 0;
153        return true;
154    }
155    return false;
156}
157
158enum Backend {
159    kRaster_Backend,
160    kGPU_Backend,
161    kPDF_Backend,
162};
163
164static SkDevice* make_device(SkBitmap::Config config, const SkIPoint& size,
165                             Backend backend, GrContext* context) {
166    SkDevice* device = NULL;
167    SkBitmap bitmap;
168    bitmap.setConfig(config, size.fX, size.fY);
169
170    switch (backend) {
171        case kRaster_Backend:
172            bitmap.allocPixels();
173            erase(bitmap);
174            device = new SkDevice(NULL, bitmap, true);
175            break;
176        case kGPU_Backend:
177            device = new SkGpuDevice(context, bitmap, SkGpuDevice::Current3DApiRenderTarget());
178//            device->clear(0xFFFFFFFF);
179            break;
180        case kPDF_Backend:
181        default:
182            SkASSERT(!"unsupported");
183    }
184    return device;
185}
186
187static const struct {
188    SkBitmap::Config    fConfig;
189    const char*         fName;
190    Backend             fBackend;
191} gConfigs[] = {
192    { SkBitmap::kARGB_8888_Config,  "8888",     kRaster_Backend },
193    { SkBitmap::kRGB_565_Config,    "565",      kRaster_Backend },
194    { SkBitmap::kARGB_8888_Config,  "GPU",      kGPU_Backend },
195};
196
197static int findConfig(const char config[]) {
198    for (size_t i = 0; i < SK_ARRAY_COUNT(gConfigs); i++) {
199        if (!strcmp(config, gConfigs[i].fName)) {
200            return i;
201        }
202    }
203    return -1;
204}
205
206int main (int argc, char * const argv[]) {
207    SkAutoGraphics ag;
208
209    SkTDict<const char*> defineDict(1024);
210    int repeatDraw = 1;
211    int forceAlpha = 0xFF;
212    bool forceAA = true;
213    bool forceFilter = false;
214    SkTriState::State forceDither = SkTriState::kDefault;
215    bool doScale = false;
216    bool doRotate = false;
217    bool doClip = false;
218    const char* matchStr = NULL;
219    bool hasStrokeWidth = false;
220    float strokeWidth;
221
222    SkString outDir;
223    SkBitmap::Config outConfig = SkBitmap::kNo_Config;
224    const char* configName = "";
225    Backend backend = kRaster_Backend;  // for warning
226    int configCount = SK_ARRAY_COUNT(gConfigs);
227
228    char* const* stop = argv + argc;
229    for (++argv; argv < stop; ++argv) {
230        if (strcmp(*argv, "-o") == 0) {
231            argv++;
232            if (argv < stop && **argv) {
233                outDir.set(*argv);
234                if (outDir.c_str()[outDir.size() - 1] != '/') {
235                    outDir.append("/");
236                }
237            }
238        } else if (strcmp(*argv, "-repeat") == 0) {
239            argv++;
240            if (argv < stop) {
241                repeatDraw = atoi(*argv);
242                if (repeatDraw < 1) {
243                    repeatDraw = 1;
244                }
245            } else {
246                log_error("missing arg for -repeat\n");
247                return -1;
248            }
249        } else if (!strcmp(*argv, "-rotate")) {
250            doRotate = true;
251        } else if (!strcmp(*argv, "-scale")) {
252            doScale = true;
253        } else if (!strcmp(*argv, "-clip")) {
254            doClip = true;
255        } else if (strcmp(*argv, "-forceAA") == 0) {
256            if (!parse_bool_arg(++argv, stop, &forceAA)) {
257                log_error("missing arg for -forceAA\n");
258                return -1;
259            }
260        } else if (strcmp(*argv, "-forceFilter") == 0) {
261            if (!parse_bool_arg(++argv, stop, &forceFilter)) {
262                log_error("missing arg for -forceFilter\n");
263                return -1;
264            }
265        } else if (strcmp(*argv, "-forceDither") == 0) {
266            bool tmp;
267            if (!parse_bool_arg(++argv, stop, &tmp)) {
268                log_error("missing arg for -forceDither\n");
269                return -1;
270            }
271            forceDither = tmp ? SkTriState::kTrue : SkTriState::kFalse;
272        } else if (strcmp(*argv, "-forceBlend") == 0) {
273            bool wantAlpha = false;
274            if (!parse_bool_arg(++argv, stop, &wantAlpha)) {
275                log_error("missing arg for -forceBlend\n");
276                return -1;
277            }
278            forceAlpha = wantAlpha ? 0x80 : 0xFF;
279        } else if (strcmp(*argv, "-strokeWidth") == 0) {
280            argv++;
281            if (argv < stop) {
282                const char *strokeWidthStr = *argv;
283                if (sscanf(strokeWidthStr, "%f", &strokeWidth) != 1) {
284                  log_error("bad arg for -strokeWidth\n");
285                  return -1;
286                }
287                hasStrokeWidth = true;
288            } else {
289                log_error("missing arg for -strokeWidth\n");
290                return -1;
291            }
292        } else if (strcmp(*argv, "-match") == 0) {
293            argv++;
294            if (argv < stop) {
295                matchStr = *argv;
296            } else {
297                log_error("missing arg for -match\n");
298                return -1;
299            }
300        } else if (strcmp(*argv, "-config") == 0) {
301            argv++;
302            if (argv < stop) {
303                int index = findConfig(*argv);
304                if (index >= 0) {
305                    outConfig = gConfigs[index].fConfig;
306                    configName = gConfigs[index].fName;
307                    backend = gConfigs[index].fBackend;
308                    configCount = 1;
309                } else {
310                    SkString str;
311                    str.printf("unrecognized config %s\n", *argv);
312                    log_error(str);
313                    return -1;
314                }
315            } else {
316                log_error("missing arg for -config\n");
317                return -1;
318            }
319        } else if (strlen(*argv) > 2 && strncmp(*argv, "-D", 2) == 0) {
320            argv++;
321            if (argv < stop) {
322                defineDict.set(argv[-1] + 2, *argv);
323            } else {
324                log_error("incomplete '-Dfoo bar' definition\n");
325                return -1;
326            }
327        } else {
328            SkString str;
329            str.printf("unrecognized arg %s\n", *argv);
330            log_error(str);
331            return -1;
332        }
333    }
334
335    // report our current settings
336    {
337        SkString str;
338        str.printf("skia bench: alpha=0x%02X antialias=%d filter=%d\n",
339                   forceAlpha, forceAA, forceFilter);
340        log_progress(str);
341    }
342
343    GrContext* context = NULL;
344    SkEGLContext eglContext;
345    if (eglContext.init(1024, 1024)) {
346        context = GrContext::CreateGLShaderContext();
347    }
348
349    Iter iter(&defineDict);
350    SkBenchmark* bench;
351    while ((bench = iter.next()) != NULL) {
352        SkIPoint dim = bench->getSize();
353        if (dim.fX <= 0 || dim.fY <= 0) {
354            continue;
355        }
356
357        bench->setForceAlpha(forceAlpha);
358        bench->setForceAA(forceAA);
359        bench->setForceFilter(forceFilter);
360        bench->setDither(forceDither);
361        if (hasStrokeWidth) {
362            bench->setStrokeWidth(strokeWidth);
363        }
364
365        // only run benchmarks if their name contains matchStr
366        if (matchStr && strstr(bench->getName(), matchStr) == NULL) {
367            continue;
368        }
369
370        {
371            SkString str;
372            str.printf("running bench [%d %d] %28s", dim.fX, dim.fY,
373                       bench->getName());
374            log_progress(str);
375        }
376
377        for (int configIndex = 0; configIndex < configCount; configIndex++) {
378            if (configCount > 1) {
379                outConfig = gConfigs[configIndex].fConfig;
380                configName = gConfigs[configIndex].fName;
381                backend = gConfigs[configIndex].fBackend;
382            }
383
384            if (kGPU_Backend == backend && NULL == context) {
385                continue;
386            }
387
388            SkDevice* device = make_device(outConfig, dim, backend, context);
389            SkCanvas canvas(device);
390            device->unref();
391
392            if (doClip) {
393                performClip(&canvas, dim.fX, dim.fY);
394            }
395            if (doScale) {
396                performScale(&canvas, dim.fX, dim.fY);
397            }
398            if (doRotate) {
399                performRotate(&canvas, dim.fX, dim.fY);
400            }
401
402            //warm up caches if needed
403            if (repeatDraw > 1) {
404                SkAutoCanvasRestore acr(&canvas, true);
405                bench->draw(&canvas);
406                if (kGPU_Backend == backend && context) {
407                    context->flush();
408                    glFinish();
409                }
410            }
411
412            SkMSec now = SkTime::GetMSecs();
413            for (int i = 0; i < repeatDraw; i++) {
414                SkAutoCanvasRestore acr(&canvas, true);
415                bench->draw(&canvas);
416            }
417            if (kGPU_Backend == backend && context) {
418                context->flush();
419                glFinish();
420            }
421
422            if (repeatDraw > 1) {
423                double duration = SkTime::GetMSecs() - now;
424                SkString str;
425                str.printf("  %4s: msecs = %5.2f", configName, duration / repeatDraw);
426                log_progress(str);
427            }
428            if (outDir.size() > 0) {
429                saveFile(bench->getName(), configName, outDir.c_str(),
430                         device->accessBitmap(false));
431            }
432        }
433        log_progress("\n");
434    }
435
436    return 0;
437}
438