C++ SkBenchLogger::SetLogFile方法代码示例

int tool_main(int argc, char** argv) {
    SkString usage;
    usage.printf("Time drawing .skp files.\n"
                 "\tPossible arguments for --filter: [%s]\n\t\t[%s]",
                 filterTypesUsage().c_str(), filterFlagsUsage().c_str());
    SkCommandLineFlags::SetUsage(usage.c_str());
    SkCommandLineFlags::Parse(argc, argv);

    if (FLAGS_repeat < 1) {
        SkString error;
        error.printf("--repeats must be >= 1. Was %i\n", FLAGS_repeat);
        gLogger.logError(error);
        exit(-1);
    }

    if (FLAGS_logFile.count() == 1) {
        if (!gLogger.SetLogFile(FLAGS_logFile[0])) {
            SkString str;
            str.printf("Could not open %s for writing.\n", FLAGS_logFile[0]);
            gLogger.logError(str);
            // TODO(borenet): We're disabling this for now, due to
            // write-protected Android devices.  The very short-term
            // solution is to ignore the fact that we have no log file.
            //exit(-1);
        }
    }


#if SK_ENABLE_INST_COUNT
    gPrintInstCount = true;
#endif
    SkAutoGraphics ag;

    sk_tools::PictureBenchmark benchmark;

    setup_benchmark(&benchmark);

    int failures = 0;
    for (int i = 0; i < FLAGS_readPath.count(); ++i) {
        failures += process_input(FLAGS_readPath[i], benchmark);
    }

    if (failures != 0) {
        SkString err;
        err.printf("Failed to run %i benchmarks.\n", failures);
        gLogger.logError(err);
        return 1;
    }
#if LAZY_CACHE_STATS
    if (FLAGS_trackDeferredCaching) {
        SkDebugf("Total cache hit rate: %f\n",
                 (double) gTotalCacheHits / (gTotalCacheHits + gTotalCacheMisses));
    }
#endif
    return 0;
}

static void parse_commandline(int argc, char* const argv[], SkTArray<SkString>* inputs,
                              sk_tools::PictureBenchmark*& benchmark) {
    const char* argv0 = argv[0];
    char* const* stop = argv + argc;

    int repeats = DEFAULT_REPEATS;
    sk_tools::PictureRenderer::SkDeviceTypes deviceType =
        sk_tools::PictureRenderer::kBitmap_DeviceType;

    // Create a string to show our current settings.
    // TODO: Make it prettier. Currently it just repeats the command line.
    SkString commandLine("bench_pictures:");
    for (int i = 1; i < argc; i++) {
        commandLine.appendf(" %s", *(argv+i));
    }
    commandLine.append("\n");

    bool usePipe = false;
    bool multiThreaded = false;
    bool useTiles = false;
    const char* widthString = NULL;
    const char* heightString = NULL;
    bool isPowerOf2Mode = false;
    const char* mode = NULL;
    for (++argv; argv < stop; ++argv) {
        if (0 == strcmp(*argv, "--repeat")) {
            ++argv;
            if (argv < stop) {
                repeats = atoi(*argv);
                if (repeats < 1) {
                    SkDELETE(benchmark);
                    gLogger.logError("--repeat must be given a value > 0\n");
                    exit(-1);
                }
            } else {
                SkDELETE(benchmark);
                gLogger.logError("Missing arg for --repeat\n");
                usage(argv0);
                exit(-1);
            }
        } else if (0 == strcmp(*argv, "--pipe")) {
            usePipe = true;
        } else if (0 == strcmp(*argv, "--logFile")) {
            argv++;
            if (argv < stop) {
                if (!gLogger.SetLogFile(*argv)) {
                    SkString str;
                    str.printf("Could not open %s for writing.", *argv);
                    gLogger.logError(str);
                    usage(argv0);
                    exit(-1);
                }
            } else {
                gLogger.logError("Missing arg for --logFile\n");
                usage(argv0);
                exit(-1);
            }
        } else if (0 == strcmp(*argv, "--mode")) {
            SkDELETE(benchmark);

            ++argv;
            if (argv >= stop) {
                gLogger.logError("Missing mode for --mode\n");
                usage(argv0);
                exit(-1);
            }

            if (0 == strcmp(*argv, "record")) {
                benchmark = SkNEW(sk_tools::RecordPictureBenchmark);
            } else if (0 == strcmp(*argv, "simple")) {
                benchmark = SkNEW(sk_tools::SimplePictureBenchmark);
            } else if ((0 == strcmp(*argv, "tile")) || (0 == strcmp(*argv, "pow2tile"))) {
                useTiles = true;
                mode = *argv;

                if (0 == strcmp(*argv, "pow2tile")) {
                    isPowerOf2Mode = true;
                }

                ++argv;
                if (argv >= stop) {
                    SkString err;
                    err.printf("Missing width for --mode %s\n", mode);
                    gLogger.logError(err);
                    usage(argv0);
                    exit(-1);
                }

                widthString = *argv;
                ++argv;
                if (argv >= stop) {
                    gLogger.logError("Missing height for --mode tile\n");
                    usage(argv0);
                    exit(-1);
                }
                heightString = *argv;

                ++argv;
                if (argv < stop && 0 == strcmp(*argv, "multi")) {
                    multiThreaded = true;
//.........这里部分代码省略.........

int tool_main(int argc, char** argv) {
    SkCommandLineFlags::Parse(argc, argv);
#if SK_ENABLE_INST_COUNT
    if (FLAGS_leaks) {
        gPrintInstCount = true;
    }
#endif
    SkAutoGraphics ag;

    // First, parse some flags.
    SkBenchLogger logger;
    if (FLAGS_logFile.count()) {
        logger.SetLogFile(FLAGS_logFile[0]);
    }

    LoggerResultsWriter logWriter(logger, FLAGS_timeFormat[0]);
    MultiResultsWriter writer;
    writer.add(&logWriter);

#ifdef SK_BUILD_JSON_WRITER
    SkAutoTDelete<JSONResultsWriter> jsonWriter;
    if (FLAGS_outResultsFile.count()) {
        jsonWriter.reset(SkNEW(JSONResultsWriter(FLAGS_outResultsFile[0])));
        writer.add(jsonWriter.get());
    }
#endif

    // Instantiate after all the writers have been added to writer so that we
    // call close() before their destructors are called on the way out.
    CallEnd<MultiResultsWriter> ender(writer);

    const uint8_t alpha = FLAGS_forceBlend ? 0x80 : 0xFF;
    SkTriState::State dither = SkTriState::kDefault;
    for (size_t i = 0; i < 3; i++) {
        if (strcmp(SkTriState::Name[i], FLAGS_forceDither[0]) == 0) {
            dither = static_cast<SkTriState::State>(i);
        }
    }

    BenchMode benchMode = kNormal_BenchMode;
    for (size_t i = 0; i < SK_ARRAY_COUNT(BenchMode_Name); i++) {
        if (strcmp(FLAGS_mode[0], BenchMode_Name[i]) == 0) {
            benchMode = static_cast<BenchMode>(i);
        }
    }

    SkTDArray<int> configs;
    bool runDefaultConfigs = false;
    // Try user-given configs first.
    for (int i = 0; i < FLAGS_config.count(); i++) {
        for (int j = 0; j < static_cast<int>(SK_ARRAY_COUNT(gConfigs)); ++j) {
            if (0 == strcmp(FLAGS_config[i], gConfigs[j].name)) {
                *configs.append() = j;
            } else if (0 == strcmp(FLAGS_config[i], kDefaultsConfigStr)) {
                runDefaultConfigs = true;
            }
        }
    }
    // If there weren't any, fill in with defaults.
    if (runDefaultConfigs) {
        for (int i = 0; i < static_cast<int>(SK_ARRAY_COUNT(gConfigs)); ++i) {
            if (gConfigs[i].runByDefault) {
                *configs.append() = i;
            }
        }
    }
    // Filter out things we can't run.
    if (kNormal_BenchMode != benchMode) {
        // Non-rendering configs only run in normal mode
        for (int i = 0; i < configs.count(); ++i) {
            const Config& config = gConfigs[configs[i]];
            if (SkBenchmark::kNonRendering_Backend == config.backend) {
                configs.remove(i, 1);
                --i;
            }
        }
    }
    // Set the resource path.
    if (!FLAGS_resourcePath.isEmpty()) {
        SkBenchmark::SetResourcePath(FLAGS_resourcePath[0]);
    }

#if SK_SUPPORT_GPU
    for (int i = 0; i < configs.count(); ++i) {
        const Config& config = gConfigs[configs[i]];

        if (SkBenchmark::kGPU_Backend == config.backend) {
            GrContext* context = gContextFactory.get(config.contextType);
            if (NULL == context) {
                SkDebugf("GrContext could not be created for config %s. Config will be skipped.\n",
                    config.name);
                configs.remove(i);
                --i;
                continue;
            }
            if (config.sampleCount > context->getMaxSampleCount()){
                SkDebugf(
                    "Sample count (%d) for config %s is not supported. Config will be skipped.\n",
                    config.sampleCount, config.name);
                configs.remove(i);
//.........这里部分代码省略.........

static void parse_commandline(int argc, char* const argv[], SkTArray<SkString>* inputs,
                              sk_tools::PictureBenchmark* benchmark) {
    const char* argv0 = argv[0];
    char* const* stop = argv + argc;

    int repeats = DEFAULT_REPEATS;
    sk_tools::PictureRenderer::SkDeviceTypes deviceType =
        sk_tools::PictureRenderer::kBitmap_DeviceType;

    SkAutoTUnref<sk_tools::PictureRenderer> renderer(NULL);

    // Create a string to show our current settings.
    // TODO: Make it prettier. Currently it just repeats the command line.
    SkString commandLine("bench_pictures:");
    for (int i = 1; i < argc; i++) {
        commandLine.appendf(" %s", *(argv+i));
    }
    commandLine.append("\n");

    bool usePipe = false;
    int numThreads = 1;
    bool useTiles = false;
    const char* widthString = NULL;
    const char* heightString = NULL;
    int gridWidth = 0;
    int gridHeight = 0;
    bool isPowerOf2Mode = false;
    bool isCopyMode = false;
    const char* xTilesString = NULL;
    const char* yTilesString = NULL;
    const char* mode = NULL;
    bool gridSupported = false;
    sk_tools::PictureRenderer::BBoxHierarchyType bbhType =
        sk_tools::PictureRenderer::kNone_BBoxHierarchyType;
    sk_tools::PictureRenderer::DrawFilterFlags drawFilters[SkDrawFilter::kTypeCount];
    sk_bzero(drawFilters, sizeof(drawFilters));
    SkISize viewport;
    viewport.setEmpty();
    for (++argv; argv < stop; ++argv) {
        if (0 == strcmp(*argv, "--repeat")) {
            ++argv;
            if (argv < stop) {
                repeats = atoi(*argv);
                if (repeats < 1) {
                    gLogger.logError("--repeat must be given a value > 0\n");
                    PRINT_USAGE_AND_EXIT;
                }
            } else {
                gLogger.logError("Missing arg for --repeat\n");
                PRINT_USAGE_AND_EXIT;
            }
        } else if (0 == strcmp(*argv, "--pipe")) {
            usePipe = true;
        } else if (0 == strcmp(*argv, "--logFile")) {
            argv++;
            if (argv < stop) {
                if (!gLogger.SetLogFile(*argv)) {
                    SkString str;
                    str.printf("Could not open %s for writing.", *argv);
                    gLogger.logError(str);
                    usage(argv0);
                    // TODO(borenet): We're disabling this for now, due to
                    // write-protected Android devices.  The very short-term
                    // solution is to ignore the fact that we have no log file.
                    //exit(-1);
                }
            } else {
                gLogger.logError("Missing arg for --logFile\n");
                PRINT_USAGE_AND_EXIT;
            }
        } else if (0 == strcmp(*argv, "--multi")) {
            ++argv;
            if (argv >= stop) {
                gLogger.logError("Missing arg for --multi\n");
                PRINT_USAGE_AND_EXIT;
            }
            numThreads = atoi(*argv);
            if (numThreads < 2) {
                gLogger.logError("Number of threads must be at least 2.\n");
                PRINT_USAGE_AND_EXIT;
            }
        } else if (0 == strcmp(*argv, "--bbh")) {
            ++argv;
            if (argv >= stop) {
                gLogger.logError("Missing value for --bbh\n");
                PRINT_USAGE_AND_EXIT;
            }
            if (0 == strcmp(*argv, "none")) {
                bbhType = sk_tools::PictureRenderer::kNone_BBoxHierarchyType;
            } else if (0 == strcmp(*argv, "rtree")) {
                bbhType = sk_tools::PictureRenderer::kRTree_BBoxHierarchyType;
            } else if (0 == strcmp(*argv, "grid")) {
                bbhType = sk_tools::PictureRenderer::kTileGrid_BBoxHierarchyType;
                ++argv;
                if (argv >= stop) {
                    gLogger.logError("Missing width for --bbh grid\n");
                    PRINT_USAGE_AND_EXIT;
                }
                gridWidth = atoi(*argv);
                ++argv;
//.........这里部分代码省略.........