PathOpsSkpClipTest.cpp revision deee496cd30070e52556dcb538c2e5eb39b66b81 
1
2#include "SkBitmap.h"
3#include "SkCanvas.h"
4#include "SkColor.h"
5#include "SkColorPriv.h"
6#include "SkDevice.h"
7#include "SkGraphics.h"
8#include "SkImageDecoder.h"
9#include "SkImageEncoder.h"
10#include "SkOSFile.h"
11#include "SkPathOpsDebug.h"
12#include "SkPicture.h"
13#include "SkRTConf.h"
14#include "SkStream.h"
15#include "SkString.h"
16#include "SkTArray.h"
17#include "SkTDArray.h"
18#include "SkThreadPool.h"
19#include "SkTime.h"
20#include "Test.h"
21
22#ifdef SK_BUILD_FOR_WIN
23    #define PATH_SLASH "\\"
24    #define IN_DIR "D:\\9-30-13\\"
25    #define OUT_DIR "D:\\opSkpClip\\1\\"
26#else
27    #define PATH_SLASH "/"
28    #ifdef SK_BUILD_FOR_MAC
29        #define IN_DIR "/Volumes/tera/9-30-13/skp"
30        #define OUT_DIR "/Volumes/tera/out/9-30-13/1/"
31    #else
32        #define IN_DIR "/usr/local/google/home/caryclark/skps/9-30-13/skp"
33        #define OUT_DIR "/mnt/skia/opSkpClip/1/"
34    #endif
35#endif
36
37const struct {
38    int directory;
39    const char* filename;
40} skipOverSept[] = {
41    {9, "http___www_symptome_ch_.skp"}, // triangle clip with corner at x.999
42    {11, "http___www_menly_fr_.skp"},
43    {12, "http___www_banrasdr_com_.skp"},
44};
45
46size_t skipOverSeptCount = sizeof(skipOverSept) / sizeof(skipOverSept[0]);
47
48enum TestStep {
49    kCompareBits,
50    kEncodeFiles,
51};
52
53enum {
54    kMaxLength = 128,
55    kMaxFiles = 128,
56    kSmallLimit = 1000,
57};
58
59struct TestResult {
60    void init(int dirNo) {
61        fDirNo = dirNo;
62        sk_bzero(fFilename, sizeof(fFilename));
63        fTestStep = kCompareBits;
64        fScaleOversized = true;
65    }
66
67    SkString status() {
68        SkString outStr;
69        outStr.printf("%s %d %d\n", fFilename, fPixelError, fTime);
70        return outStr;
71    }
72
73    static void Test(int dirNo, const char* filename, TestStep testStep) {
74        TestResult test;
75        test.init(dirNo);
76        test.fTestStep = testStep;
77        strcpy(test.fFilename, filename);
78        test.testOne();
79    }
80
81    void test(int dirNo, const SkString& filename) {
82        init(dirNo);
83        strcpy(fFilename, filename.c_str());
84        testOne();
85    }
86
87    void testOne();
88
89    char fFilename[kMaxLength];
90    TestStep fTestStep;
91    int fDirNo;
92    int fPixelError;
93    int fTime;
94    bool fScaleOversized;
95};
96
97struct TestState {
98    void init(int dirNo, skiatest::Reporter* reporter) {
99        fReporter = reporter;
100        fResult.init(dirNo);
101        fFoundCount = 0;
102        TestState::fSmallCount = 0;
103        fSmallestError = 0;
104        sk_bzero(fFilesFound, sizeof(fFilesFound));
105        sk_bzero(fDirsFound, sizeof(fDirsFound));
106        sk_bzero(fError, sizeof(fError));
107    }
108
109    static bool bumpSmallCount() {
110        sk_atomic_inc(&fSmallCount);
111        return fSmallCount > kSmallLimit;
112    }
113
114    static void clearSmallCount() {
115        if (fSmallCount < kSmallLimit) {
116            fSmallCount = 0;
117        }
118    }
119
120    char fFilesFound[kMaxFiles][kMaxLength];
121    int fDirsFound[kMaxFiles];
122    int fError[kMaxFiles];
123    int fFoundCount;
124    static int fSmallCount;
125    int fSmallestError;
126    skiatest::Reporter* fReporter;
127    TestResult fResult;
128};
129
130int TestState::fSmallCount;
131
132struct TestRunner {
133    TestRunner(skiatest::Reporter* reporter, int threadCount)
134        : fNumThreads(threadCount)
135        , fReporter(reporter) {
136    }
137
138    ~TestRunner();
139    void render();
140    int fNumThreads;
141    SkTDArray<class TestRunnable*> fRunnables;
142    skiatest::Reporter* fReporter;
143};
144
145class TestRunnable : public SkRunnable {
146public:
147    TestRunnable(void (*testFun)(TestState*), int dirNo, TestRunner* runner) {
148        fState.init(dirNo, runner->fReporter);
149        fTestFun = testFun;
150    }
151
152    virtual void run() SK_OVERRIDE {
153        SkGraphics::SetTLSFontCacheLimit(1 * 1024 * 1024);
154        (*fTestFun)(&fState);
155    }
156
157    TestState fState;
158    void (*fTestFun)(TestState*);
159};
160
161TestRunner::~TestRunner() {
162    for (int index = 0; index < fRunnables.count(); index++) {
163        SkDELETE(fRunnables[index]);
164    }
165}
166
167void TestRunner::render() {
168    SkThreadPool pool(fNumThreads);
169    for (int index = 0; index < fRunnables.count(); ++ index) {
170        pool.add(fRunnables[index]);
171    }
172}
173
174////////////////////////////////////////////////
175
176static const char outOpDir[] = OUT_DIR "opClip";
177static const char outOldDir[] = OUT_DIR "oldClip";
178static const char outSkpDir[] = OUT_DIR "skpTest";
179static const char outDiffDir[] = OUT_DIR "outTest";
180static const char outStatusDir[] = OUT_DIR "statusTest";
181
182static SkString make_filepath(int dirNo, const char* dir, const char* name) {
183    SkString path(dir);
184    if (dirNo) {
185        path.appendf("%d", dirNo);
186    }
187    path.append(PATH_SLASH);
188    path.append(name);
189    return path;
190}
191
192static SkString make_in_dir_name(int dirNo) {
193    SkString dirName(IN_DIR);
194    dirName.appendf("%d", dirNo);
195    if (!sk_exists(dirName.c_str())) {
196        SkDebugf("could not read dir %s\n", dirName.c_str());
197        return SkString();
198    }
199    return dirName;
200}
201
202static bool make_one_out_dir(const char* outDirStr) {
203    SkString outDir = make_filepath(0, outDirStr, "");
204    if (!sk_exists(outDir.c_str())) {
205        if (!sk_mkdir(outDir.c_str())) {
206            SkDebugf("could not create dir %s\n", outDir.c_str());
207            return false;
208        }
209    }
210    return true;
211}
212
213static bool make_out_dirs() {
214    SkString outDir = make_filepath(0, OUT_DIR, "");
215    if (!sk_exists(outDir.c_str())) {
216        if (!sk_mkdir(outDir.c_str())) {
217            SkDebugf("could not create dir %s\n", outDir.c_str());
218            return false;
219        }
220    }
221    return make_one_out_dir(outOldDir)
222            && make_one_out_dir(outOpDir)
223            && make_one_out_dir(outSkpDir)
224            && make_one_out_dir(outDiffDir)
225            && make_one_out_dir(outStatusDir);
226}
227
228static SkString make_png_name(const char* filename) {
229    SkString pngName = SkString(filename);
230    pngName.remove(pngName.size() - 3, 3);
231    pngName.append("png");
232    return pngName;
233}
234
235static int similarBits(const SkBitmap& gr, const SkBitmap& sk) {
236    const int kRowCount = 3;
237    const int kThreshold = 3;
238    int width = SkTMin(gr.width(), sk.width());
239    if (width < kRowCount) {
240        return true;
241    }
242    int height = SkTMin(gr.height(), sk.height());
243    if (height < kRowCount) {
244        return true;
245    }
246    int errorTotal = 0;
247    SkTArray<int, true> errorRows;
248    errorRows.push_back_n(width * kRowCount);
249    SkAutoLockPixels autoGr(gr);
250    SkAutoLockPixels autoSk(sk);
251    for (int y = 0; y < height; ++y) {
252        SkPMColor* grRow = gr.getAddr32(0, y);
253        SkPMColor* skRow = sk.getAddr32(0, y);
254        int* base = &errorRows[0];
255        int* cOut = &errorRows[y % kRowCount];
256        for (int x = 0; x < width; ++x) {
257            SkPMColor grColor = grRow[x];
258            SkPMColor skColor = skRow[x];
259            int dr = SkGetPackedR32(grColor) - SkGetPackedR32(skColor);
260            int dg = SkGetPackedG32(grColor) - SkGetPackedG32(skColor);
261            int db = SkGetPackedB32(grColor) - SkGetPackedB32(skColor);
262            int error = cOut[x] = SkTMax(SkAbs32(dr), SkTMax(SkAbs32(dg), SkAbs32(db)));
263            if (error < kThreshold || x < 2) {
264                continue;
265            }
266            if (base[x - 2] < kThreshold
267                    || base[width + x - 2] < kThreshold
268                    || base[width * 2 + x - 2] < kThreshold
269                    || base[x - 1] < kThreshold
270                    || base[width + x - 1] < kThreshold
271                    || base[width * 2 + x - 1] < kThreshold
272                    || base[x] < kThreshold
273                    || base[width + x] < kThreshold
274                    || base[width * 2 + x] < kThreshold) {
275                continue;
276            }
277            errorTotal += error;
278        }
279    }
280    return errorTotal;
281}
282
283static bool addError(TestState* data, const TestResult& testResult) {
284    bool foundSmaller = false;
285    int dCount = data->fFoundCount;
286    int pixelError = testResult.fPixelError;
287    if (data->fFoundCount < kMaxFiles) {
288        data->fError[dCount] = pixelError;
289        strcpy(data->fFilesFound[dCount], testResult.fFilename);
290        data->fDirsFound[dCount] = testResult.fDirNo;
291        ++data->fFoundCount;
292    } else if (pixelError > data->fSmallestError) {
293        int smallest = SK_MaxS32;
294        int smallestIndex = 0;
295        for (int index = 0; index < kMaxFiles; ++index) {
296            if (smallest > data->fError[index]) {
297                smallest = data->fError[index];
298                smallestIndex = index;
299            }
300        }
301        data->fError[smallestIndex] = pixelError;
302        strcpy(data->fFilesFound[smallestIndex], testResult.fFilename);
303        data->fDirsFound[smallestIndex] = testResult.fDirNo;
304        data->fSmallestError = SK_MaxS32;
305        for (int index = 0; index < kMaxFiles; ++index) {
306            if (data->fSmallestError > data->fError[index]) {
307                data->fSmallestError = data->fError[index];
308            }
309        }
310        SkDebugf("*%d*", data->fSmallestError);
311        foundSmaller = true;
312    }
313    return foundSmaller;
314}
315
316
317
318static SkMSec timePict(SkPicture* pic, SkCanvas* canvas) {
319    canvas->save();
320    int pWidth = pic->width();
321    int pHeight = pic->height();
322    const int maxDimension = 1000;
323    const int slices = 3;
324    int xInterval = SkTMax(pWidth - maxDimension, 0) / (slices - 1);
325    int yInterval = SkTMax(pHeight - maxDimension, 0) / (slices - 1);
326    SkRect rect = {0, 0, SkIntToScalar(SkTMin(maxDimension, pWidth)),
327            SkIntToScalar(SkTMin(maxDimension, pHeight))};
328    canvas->clipRect(rect);
329    SkMSec start = SkTime::GetMSecs();
330    for (int x = 0; x < slices; ++x) {
331        for (int y = 0; y < slices; ++y) {
332            pic->draw(canvas);
333            canvas->translate(0, SkIntToScalar(yInterval));
334        }
335        canvas->translate(SkIntToScalar(xInterval), SkIntToScalar(-yInterval * slices));
336    }
337    SkMSec end = SkTime::GetMSecs();
338    canvas->restore();
339    return end - start;
340}
341
342static void drawPict(SkPicture* pic, SkCanvas* canvas, int scale) {
343    canvas->clear(SK_ColorWHITE);
344    if (scale != 1) {
345        canvas->save();
346        canvas->scale(1.0f / scale, 1.0f / scale);
347    }
348    pic->draw(canvas);
349    if (scale != 1) {
350        canvas->restore();
351    }
352}
353
354static void writePict(const SkBitmap& bitmap, const char* outDir, const char* pngName) {
355    SkString outFile = make_filepath(0, outDir, pngName);
356    if (!SkImageEncoder::EncodeFile(outFile.c_str(), bitmap,
357            SkImageEncoder::kPNG_Type, 100)) {
358        SkDebugf("unable to encode gr %s (width=%d height=%d)\n", pngName,
359                    bitmap.width(), bitmap.height());
360    }
361}
362
363void TestResult::testOne() {
364    SkPicture* pic = NULL;
365    {
366    #if DEBUG_SHOW_TEST_NAME
367        if (fTestStep == kCompareBits) {
368            SkString testName(fFilename);
369            const char http[] = "http";
370            if (testName.startsWith(http)) {
371                testName.remove(0, sizeof(http) - 1);
372            }
373            while (testName.startsWith("_")) {
374                testName.remove(0, 1);
375            }
376            const char dotSkp[] = ".skp";
377            if (testName.endsWith(dotSkp)) {
378                size_t len = testName.size();
379                testName.remove(len - (sizeof(dotSkp) - 1), sizeof(dotSkp) - 1);
380            }
381            testName.prepend("skp");
382            testName.append("1");
383            strncpy(DEBUG_FILENAME_STRING, testName.c_str(), DEBUG_FILENAME_STRING_LENGTH);
384        } else if (fTestStep == kEncodeFiles) {
385            strncpy(DEBUG_FILENAME_STRING, "", DEBUG_FILENAME_STRING_LENGTH);
386        }
387    #endif
388        SkString path = make_filepath(fDirNo, IN_DIR, fFilename);
389        SkFILEStream stream(path.c_str());
390        if (!stream.isValid()) {
391            SkDebugf("invalid stream %s\n", path.c_str());
392            goto finish;
393        }
394        SkPicture* pic = SkPicture::CreateFromStream(&stream, &SkImageDecoder::DecodeMemory);
395        if (!pic) {
396            SkDebugf("unable to decode %s\n", fFilename);
397            goto finish;
398        }
399        int width = pic->width();
400        int height = pic->height();
401        SkBitmap oldBitmap, opBitmap;
402        int scale = 1;
403        do {
404            int dimX = (width + scale - 1) / scale;
405            int dimY = (height + scale - 1) / scale;
406            if (oldBitmap.allocN32Pixels(dimX, dimY) &&
407                opBitmap.allocN32Pixels(dimX, dimY)) {
408                break;
409            }
410            SkDebugf("-%d-", scale);
411        } while ((scale *= 2) < 256);
412        if (scale >= 256) {
413            SkDebugf("unable to allocate bitmap for %s (w=%d h=%d)\n", fFilename,
414                    width, height);
415            return;
416        }
417        oldBitmap.eraseColor(SK_ColorWHITE);
418        SkCanvas oldCanvas(oldBitmap);
419        oldCanvas.setAllowSimplifyClip(false);
420        opBitmap.eraseColor(SK_ColorWHITE);
421        SkCanvas opCanvas(opBitmap);
422        opCanvas.setAllowSimplifyClip(true);
423        drawPict(pic, &oldCanvas, fScaleOversized ? scale : 1);
424        drawPict(pic, &opCanvas, fScaleOversized ? scale : 1);
425        if (fTestStep == kCompareBits) {
426            fPixelError = similarBits(oldBitmap, opBitmap);
427            int oldTime = timePict(pic, &oldCanvas);
428            int opTime = timePict(pic, &opCanvas);
429            fTime = oldTime - opTime;
430        } else if (fTestStep == kEncodeFiles) {
431            SkString pngStr = make_png_name(fFilename);
432            const char* pngName = pngStr.c_str();
433            writePict(oldBitmap, outOldDir, pngName);
434            writePict(opBitmap, outOpDir, pngName);
435        }
436    }
437finish:
438    SkDELETE(pic);
439}
440
441static SkString makeStatusString(int dirNo) {
442    SkString statName;
443    statName.printf("stats%d.txt", dirNo);
444    SkString statusFile = make_filepath(0, outStatusDir, statName.c_str());
445    return statusFile;
446}
447
448class PreParser {
449public:
450    PreParser(int dirNo)
451        : fDirNo(dirNo)
452        , fIndex(0) {
453        SkString statusPath = makeStatusString(dirNo);
454        if (!sk_exists(statusPath.c_str())) {
455            return;
456        }
457        SkFILEStream reader;
458        reader.setPath(statusPath.c_str());
459        while (fetch(reader, &fResults.push_back()))
460            ;
461        fResults.pop_back();
462    }
463
464    bool fetch(SkFILEStream& reader, TestResult* result) {
465        char c;
466        int i = 0;
467        result->init(fDirNo);
468        result->fPixelError = 0;
469        result->fTime = 0;
470        do {
471            bool readOne = reader.read(&c, 1) != 0;
472            if (!readOne) {
473                SkASSERT(i == 0);
474                return false;
475            }
476            if (c == ' ') {
477                result->fFilename[i++] = '\0';
478                break;
479            }
480            result->fFilename[i++] = c;
481            SkASSERT(i < kMaxLength);
482        } while (true);
483        do {
484            SkAssertResult(reader.read(&c, 1));
485            if (c == ' ') {
486                break;
487            }
488            SkASSERT(c >= '0' && c <= '9');
489            result->fPixelError = result->fPixelError * 10 + (c - '0');
490        } while (true);
491        bool minus = false;
492        do {
493            SkAssertResult(reader.read(&c, 1));
494            if (c == '\n') {
495                break;
496            }
497            if (c == '-') {
498                minus = true;
499                continue;
500            }
501            SkASSERT(c >= '0' && c <= '9');
502            result->fTime = result->fTime * 10 + (c - '0');
503        } while (true);
504        if (minus) {
505            result->fTime = -result->fTime;
506        }
507        return true;
508    }
509
510    bool match(const SkString& filename, SkFILEWStream* stream, TestResult* result) {
511        if (fIndex < fResults.count()) {
512            *result = fResults[fIndex++];
513            SkASSERT(filename.equals(result->fFilename));
514            SkString outStr(result->status());
515            stream->write(outStr.c_str(), outStr.size());
516            return true;
517        }
518        return false;
519    }
520
521private:
522    int fDirNo;
523    int fIndex;
524    SkTArray<TestResult, true> fResults;
525};
526
527static bool doOneDir(TestState* state) {
528    int dirNo = state->fResult.fDirNo;
529    skiatest::Reporter* reporter = state->fReporter;
530    SkString dirName = make_in_dir_name(dirNo);
531    SkASSERT(dirName.size());
532    SkOSFile::Iter iter(dirName.c_str(), "skp");
533    SkString filename;
534    int testCount = 0;
535    PreParser preParser(dirNo);
536    SkFILEWStream statusStream(makeStatusString(dirNo).c_str());
537    while (iter.next(&filename)) {
538        for (size_t index = 0; index < skipOverSeptCount; ++index) {
539            if (skipOverSept[index].directory == dirNo
540                    && strcmp(filename.c_str(), skipOverSept[index].filename) == 0) {
541                goto skipOver;
542            }
543        }
544        if (preParser.match(filename, &statusStream, &state->fResult)) {
545            addError(state, state->fResult);
546            ++testCount;
547            goto checkEarlyExit;
548        }
549        if (state->fSmallestError > 5000000) {
550            return false;
551        }
552        {
553            TestResult& result = state->fResult;
554            result.test(dirNo, filename);
555            SkString outStr(result.status());
556            statusStream.write(outStr.c_str(), outStr.size());
557            statusStream.flush();
558            if (1) {
559                SkDebugf("%s", outStr.c_str());
560            }
561            bool noMatch = addError(state, state->fResult);
562            if (noMatch) {
563                state->clearSmallCount();
564            } else if (state->bumpSmallCount()) {
565                return false;
566            }
567        }
568        ++testCount;
569        if (reporter->verbose()) {
570            SkDebugf(".");
571            if (++testCount % 100 == 0) {
572                SkDebugf("%d\n", testCount);
573            }
574        }
575skipOver:
576        if (reporter->verbose()) {
577            static int threadTestCount;
578            SkDebugf(".");
579            sk_atomic_inc(&threadTestCount);
580            if (threadTestCount % 100 == 0) {
581                SkDebugf("%d\n", threadTestCount);
582            }
583        }
584checkEarlyExit:
585        if (1 && testCount == 20) {
586            return true;
587        }
588    }
589    return true;
590}
591
592static bool initTest() {
593#if !defined SK_BUILD_FOR_WIN && !defined SK_BUILD_FOR_MAC
594    SK_CONF_SET("images.jpeg.suppressDecoderWarnings", true);
595    SK_CONF_SET("images.png.suppressDecoderWarnings", true);
596#endif
597    return make_out_dirs();
598}
599
600static void encodeFound(skiatest::Reporter* reporter, TestState& state) {
601    if (reporter->verbose()) {
602        for (int index = 0; index < state.fFoundCount; ++index) {
603            SkDebugf("%d %s %d\n", state.fDirsFound[index], state.fFilesFound[index],
604                     state.fError[index]);
605        }
606    }
607    for (int index = 0; index < state.fFoundCount; ++index) {
608        TestResult::Test(state.fDirsFound[index], state.fFilesFound[index], kEncodeFiles);
609        if (state.fReporter->verbose()) SkDebugf("+");
610    }
611}
612
613DEF_TEST(PathOpsSkpClip, reporter) {
614    if (!initTest()) {
615        return;
616    }
617    SkTArray<TestResult, true> errors;
618    TestState state;
619    state.init(0, reporter);
620    for (int dirNo = 1; dirNo <= 100; ++dirNo) {
621        if (reporter->verbose()) {
622            SkDebugf("dirNo=%d\n", dirNo);
623        }
624        state.fResult.fDirNo = dirNo;
625        if (!doOneDir(&state)) {
626            break;
627        }
628    }
629    encodeFound(reporter, state);
630}
631
632static void testSkpClipMain(TestState* data) {
633        (void) doOneDir(data);
634}
635
636DEF_TEST(PathOpsSkpClipThreaded, reporter) {
637    if (!initTest()) {
638        return;
639    }
640    int threadCount = reporter->allowThreaded() ? SkThreadPool::kThreadPerCore : 1;
641    TestRunner testRunner(reporter, threadCount);
642    for (int dirNo = 1; dirNo <= 100; ++dirNo) {
643        *testRunner.fRunnables.append() = SkNEW_ARGS(TestRunnable,
644                (&testSkpClipMain, dirNo, &testRunner));
645    }
646    testRunner.render();
647    TestState state;
648    state.init(0, reporter);
649    for (int dirNo = 1; dirNo <= 100; ++dirNo) {
650        TestState& testState = testRunner.fRunnables[dirNo - 1]->fState;
651        for (int inner = 0; inner < testState.fFoundCount; ++inner) {
652            TestResult& testResult = testState.fResult;
653            SkASSERT(testResult.fDirNo == dirNo);
654            testResult.fPixelError = testState.fError[inner];
655            strcpy(testResult.fFilename, testState.fFilesFound[inner]);
656            addError(&state, testResult);
657        }
658    }
659    encodeFound(reporter, state);
660}
661
662DEF_TEST(PathOpsSkpClipOneOff, reporter) {
663    if (!initTest()) {
664        return;
665    }
666    const int testIndex = 43 - 41;
667    int dirNo = skipOverSept[testIndex].directory;
668    SkAssertResult(make_in_dir_name(dirNo).size());
669    SkString filename(skipOverSept[testIndex].filename);
670    TestResult state;
671    state.test(dirNo, filename);
672    if (reporter->verbose()) {
673        SkDebugf("%s", state.status().c_str());
674    }
675    state.fTestStep = kEncodeFiles;
676    state.testOne();
677}
678