Created my own flag parser, based off of gflags.

Share common code between bench_ and render_ to set up the PictureRenderer.
Fix an include error in SkPictureRenderer.h.
Simplified parameter passing in render_pictures_main.
Switch to using an SkAutoTUnref for the PictureRenderer.
I also changed the input format somewhat, so the buildbots need to be updated as well: https://codereview.appspot.com/7441044/
Fixed a bug in PictureBenchmark where calling setTimeIndividualTiles(false) sets the member variable to true.
Removed setDeviceType from PictureBenchmark, since only the PictureRenderer needs to know which device type to use.

Some changes to the input format:
'--logPerIter' no longer takes a 1 or 0. Instead, '--logPerIter'
turns it on and '--nologPerIter' turns it off (with off as the
default). (Note that this is for bench_pictures; bench still uses the old format)

Change '--device' to '--config' and 'bitmap' to '8888' to be
the same as gm.

Requires '--r' before inputs (to match gm), though there can be multiple inputs following it.

Changed --enable-deferred-image-decoding (which no one uses but me yet anyway) to --deferImageDecoding, since the former is incompatible with the flag parser.

Changes to behavior:
Show a short error message on failure (rather than the explanation of all
flags).

BUG=https://code.google.com/p/skia/issues/detail?id=1094

Review URL: https://codereview.appspot.com/7230053

git-svn-id: http://skia.googlecode.com/svn/trunk@7961 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tools/bench_pictures_main.cpp b/tools/bench_pictures_main.cpp
index 60d79fc..ffcab74 100644
--- a/tools/bench_pictures_main.cpp
+++ b/tools/bench_pictures_main.cpp
@@ -8,9 +8,11 @@
 #include "BenchTimer.h"
 #include "CopyTilesRenderer.h"
 #include "PictureBenchmark.h"
+#include "PictureRenderingFlags.h"
 #include "SkBenchLogger.h"
 #include "SkBitmapFactory.h"
 #include "SkCanvas.h"
+#include "SkFlags.h"
 #include "SkGraphics.h"
 #include "SkImageDecoder.h"
 #include "SkMath.h"
@@ -20,7 +22,28 @@
 #include "SkTArray.h"
 #include "picture_utils.h"
 
-const int DEFAULT_REPEATS = 1;
+
+SkBenchLogger gLogger;
+
+// Flags used by this file, in alphabetical order.
+DECLARE_bool(deferImageDecoding);
+DEFINE_string(filter, "",
+        "type:flag : Enable canvas filtering to disable a paint flag, "
+        "use no blur or low quality blur, or use no hinting or "
+        "slight hinting. For all flags except AAClip, specify the "
+        "type of primitive to effect, or choose all. for AAClip "
+        "alone, the filter affects all clips independent of type. "
+        "Specific flags are listed above.");
+DEFINE_string(logFile, "", "Destination for writing log output, in addition to stdout.");
+DEFINE_bool(logPerIter, false, "Log each repeat timer instead of mean.");
+DEFINE_bool(min, false, "Print the minimum times (instead of average).");
+DECLARE_int32(multi);
+DECLARE_string(r);
+DEFINE_int32(repeat, 1, "Set the number of times to repeat each test.");
+DEFINE_bool(timeIndividualTiles, false, "Report times for drawing individual tiles, rather than "
+            "times for drawing the whole page. Requires tiled rendering.");
+DEFINE_string(timers, "", "[wcgWC]*: Display wall, cpu, gpu, truncated wall or truncated cpu time"
+              " for each picture.");
 
 static char const * const gFilterTypes[] = {
     "paint",
@@ -105,7 +128,7 @@
     for (size_t index = 0; index < kFilterFlagsCount; ++index) {
         result += gFilterFlags[index];
         if (result.size() - len >= 72) {
-            result += "\n           ";
+            result += "\n\t\t";
             len = result.size();
         }
         if (index < kFilterFlagsCount - 1) {
@@ -115,124 +138,6 @@
     return result;
 }
 
-static void usage(const char* argv0) {
-    SkDebugf("SkPicture benchmarking tool\n");
-    SkDebugf("\n"
-"Usage: \n"
-"     %s <inputDir>...\n"
-"     [--logFile filename][--timers [wcgWC]*][--logPerIter 1|0][--min]\n"
-"     [--repeat][--timeIndividualTiles] \n"
-"     [--mode pow2tile minWidth height | record | simple\n"
-"             | tile width height | playbackCreation]\n"
-"     [--pipe]\n"
-"     [--bbh bbhType]\n"
-"     [--multi numThreads]\n"
-"     [--enable-deferred-image-decoding]\n"
-"     [--viewport width height][--scale sf]\n"
-"     [--device bitmap"
-#if SK_SUPPORT_GPU
-" | gpu"
-#if SK_ANGLE
-" | angle"
-#endif
-#endif
-"]\n"
-"     [--filter [%s]:\n            [%s]]\n"
-, argv0, filterTypesUsage().c_str(), filterFlagsUsage().c_str());
-    SkDebugf("\n");
-    SkDebugf(
-"     inputDir:  A list of directories and files to use as input. Files are\n"
-"                expected to have the .skp extension.\n\n"
-"     --logFile filename : destination for writing log output, in addition to stdout.\n");
-    SkDebugf("     --logPerIter 1|0 : "
-             "Log each repeat timer instead of mean, default is disabled.\n");
-    SkDebugf("     --min : Print the minimum times (instead of average).\n");
-    SkDebugf("     --timers [wcgWC]* : "
-             "Display wall, cpu, gpu, truncated wall or truncated cpu time for each picture.\n");
-    SkDebugf("     --timeIndividualTiles : Report times for drawing individual tiles, rather than\n"
-"                                          times for drawing the whole page.\n"
-"                                          Requires --mode tile\n");
-    SkDebugf(
-"     --mode pow2tile minWidth height | copyTile width height | record | simple\n"
-"            | tile width height | playbackCreation:\n"
-"            Run in the corresponding mode.\n"
-"            Default is simple.\n");
-    SkDebugf(
-"                     pow2tile minWidth height, Creates tiles with widths\n"
-"                                                 that are all a power of two\n"
-"                                                 such that they minimize the\n"
-"                                                 amount of wasted tile space.\n"
-"                                                 minWidth is the minimum width\n"
-"                                                 of these tiles and must be a\n"
-"                                                 power of two. Simple\n"
-"                                                 rendering using these tiles\n"
-"                                                 is benchmarked.\n");
-    SkDebugf(
-"                     record, Benchmark picture to picture recording.\n");
-    SkDebugf(
-"                     simple, Benchmark a simple rendering.\n");
-    SkDebugf(
-"                     tile width height, Benchmark simple rendering using\n"
-"                                            tiles with the given dimensions.\n"
-"                     copyTile width height, Draw the picture, then copy it into tiles.\n"
-"                                                Does not support percentages.\n"
-"                                                If the picture is large enough, breaks it into\n"
-"                                                larger tiles (and draws the picture once per\n"
-"                                                larger tile) to avoid creating a large canvas.\n"
-"                                                Add --tiles x y to specify the number of tiles\n"
-"                                                per larger tile in the x and y direction.\n"
-             );
-    SkDebugf(
-"                     playbackCreation, Benchmark creation of the SkPicturePlayback.\n");
-    SkDebugf("\n");
-    SkDebugf(
-"     --multi numThreads : Set the number of threads for multi threaded drawing. Must be greater\n"
-"                          than 1. Only works with tiled rendering.\n"
-"     --enable-deferred-image-decoding : Defer decoding until drawing images. Has no effect if\n"
-"                      the provided skp does not have its images encoded.\n"
-"     --viewport width height : Set the viewport.\n"
-"     --scale sf : Scale drawing by sf.\n"
-"     --pipe: Benchmark SkGPipe rendering. Currently incompatible with \"mode\".\n");
-    SkDebugf(
-"     --bbh bbhType [width height]: Set the bounding box hierarchy type to\n"
-"                     be used. Accepted values are: none, rtree, grid. Default\n"
-"                     value is none. Not compatible with --pipe. With value\n"
-"                     'grid', width and height must be specified. 'grid' can\n"
-"                     only be used with modes tile, record, and\n"
-"                     playbackCreation.");
-    SkDebugf(
-"     --device bitmap"
-#if SK_SUPPORT_GPU
-" | gpu"
-#endif
-": Use the corresponding device. Default is bitmap.\n");
-    SkDebugf(
-"                     bitmap, Render to a bitmap.\n");
-#if SK_SUPPORT_GPU
-    SkDebugf(
-"                     gpu, Render to the GPU.\n");
-#if SK_ANGLE
-    SkDebugf(
-"                     angle, Render using Angle.\n");
-#endif
-#endif
-    SkDebugf("\n");
-    SkDebugf(
-"     --repeat:  "
-"Set the number of times to repeat each test."
-" Default is %i.\n", DEFAULT_REPEATS);
-    SkDebugf(
-"     --filter type:flag : Enable canvas filtering to disable a paint flag,\n"
-"                     use no blur or low quality blur, or use no hinting or\n"
-"                     slight hinting. For all flags except AAClip, specify the\n"
-"                     type of primitive to effect, or choose all. for AAClip\n"
-"                     alone, the filter affects all clips independent of type.\n");
-}
-
-SkBenchLogger gLogger;
-
-bool lazy_decode = false;
-
 #include "SkData.h"
 #include "SkLruImageCache.h"
 
@@ -261,7 +166,7 @@
 
     bool success = false;
     SkPicture* picture;
-    if (lazy_decode) {
+    if (FLAGS_deferImageDecoding) {
         picture = SkNEW_ARGS(SkPicture, (&inputStream, &success, &lazy_decode_bitmap));
     } else {
         picture = SkNEW_ARGS(SkPicture, (&inputStream, &success, &SkImageDecoder::DecodeMemory));
@@ -287,539 +192,156 @@
     return true;
 }
 
-#define PRINT_USAGE_AND_EXIT \
-    do {                     \
-        usage(argv0);        \
-        exit(-1);            \
-    } while (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;
-
-    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;
+static void setup_benchmark(sk_tools::PictureBenchmark* benchmark) {
     sk_tools::PictureRenderer::DrawFilterFlags drawFilters[SkDrawFilter::kTypeCount];
     sk_bzero(drawFilters, sizeof(drawFilters));
-    SkISize viewport;
-    viewport.setEmpty();
-    SkScalar scaleFactor = SK_Scalar1;
-    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;
+
+    if (FLAGS_filter.count() > 0) {
+        const char* filters = FLAGS_filter[0];
+        const char* colon = strchr(filters, ':');
+        if (colon) {
+            int type = -1;
+            size_t typeLen = colon - filters;
+            for (size_t tIndex = 0; tIndex < kFilterTypesCount; ++tIndex) {
+                if (typeLen == strlen(gFilterTypes[tIndex])
+                        && !strncmp(filters, gFilterTypes[tIndex], typeLen)) {
+                    type = tIndex;
+                    break;
                 }
-            } 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;
-                if (argv >= stop) {
-                    gLogger.logError("Missing height for --bbh grid\n");
-                    PRINT_USAGE_AND_EXIT;
-                }
-                gridHeight = atoi(*argv);
-            } else {
+            if (type < 0) {
                 SkString err;
-                err.printf("%s is not a valid value for --bbhType\n", *argv);
+                err.printf("Unknown type for --filter %s\n", filters);
                 gLogger.logError(err);
-                PRINT_USAGE_AND_EXIT;
+                exit(-1);
             }
-
-        } else if (0 == strcmp(*argv, "--mode")) {
-            if (renderer.get() != NULL) {
-                SkDebugf("Cannot combine modes.\n");
-                PRINT_USAGE_AND_EXIT;
+            int flag = -1;
+            size_t flagLen = strlen(filters) - typeLen - 1;
+            for (size_t fIndex = 0; fIndex < kFilterFlagsCount; ++fIndex) {
+                if (flagLen == strlen(gFilterFlags[fIndex])
+                        && !strncmp(colon + 1, gFilterFlags[fIndex], flagLen)) {
+                    flag = 1 << fIndex;
+                    break;
+                }
             }
-
-            ++argv;
-            if (argv >= stop) {
-                gLogger.logError("Missing mode for --mode\n");
-                PRINT_USAGE_AND_EXIT;
-            }
-
-            if (0 == strcmp(*argv, "record")) {
-                renderer.reset(SkNEW(sk_tools::RecordPictureRenderer));
-                gridSupported = true;
-            } else if (0 == strcmp(*argv, "clone")) {
-                renderer.reset(sk_tools::CreatePictureCloneRenderer());
-            } else if (0 == strcmp(*argv, "simple")) {
-                renderer.reset(SkNEW(sk_tools::SimplePictureRenderer));
-            } else if ((0 == strcmp(*argv, "tile")) || (0 == strcmp(*argv, "pow2tile"))
-                       || 0 == strcmp(*argv, "copyTile")) {
-                useTiles = true;
-                mode = *argv;
-
-                if (0 == strcmp(*argv, "pow2tile")) {
-                    isPowerOf2Mode = true;
-                } else if (0 == strcmp(*argv, "copyTile")) {
-                    isCopyMode = true;
-                } else {
-                    gridSupported = true;
-                }
-
-                ++argv;
-                if (argv >= stop) {
-                    SkString err;
-                    err.printf("Missing width for --mode %s\n", mode);
-                    gLogger.logError(err);
-                    PRINT_USAGE_AND_EXIT;
-                }
-
-                widthString = *argv;
-                ++argv;
-                if (argv >= stop) {
-                    SkString err;
-                    err.appendf("Missing height for --mode %s\n", mode);
-                    gLogger.logError(err);
-                    PRINT_USAGE_AND_EXIT;
-                }
-                heightString = *argv;
-            } else if (0 == strcmp(*argv, "playbackCreation")) {
-                renderer.reset(SkNEW(sk_tools::PlaybackCreationRenderer));
-                gridSupported = true;
-            } else if (0 == strcmp(*argv, "gatherPixelRefs")) {
-                renderer.reset(sk_tools::CreateGatherPixelRefsRenderer());
-            } else {
+            if (flag < 0) {
                 SkString err;
-                err.printf("%s is not a valid mode for --mode\n", *argv);
+                err.printf("Unknown flag for --filter %s\n", filters);
                 gLogger.logError(err);
-                PRINT_USAGE_AND_EXIT;
+                exit(-1);
             }
-        } else if (0 == strcmp(*argv, "--viewport")) {
-            ++argv;
-            if (argv >= stop) {
-                gLogger.logError("Missing width for --viewport\n");
-                PRINT_USAGE_AND_EXIT;
-            }
-            viewport.fWidth = atoi(*argv);
-            ++argv;
-            if (argv >= stop) {
-                gLogger.logError("Missing height for --viewport\n");
-                PRINT_USAGE_AND_EXIT;
-            }
-            viewport.fHeight = atoi(*argv);
-        } else if (0 == strcmp(*argv, "--scale")) {
-            ++argv;
-            if (argv >= stop) {
-                gLogger.logError("Missing scaleFactor for --scale\n");
-                PRINT_USAGE_AND_EXIT;
-            }
-            scaleFactor = SkDoubleToScalar(atof(*argv));
-        } else if (0 == strcmp(*argv, "--tiles")) {
-            ++argv;
-            if (argv >= stop) {
-                gLogger.logError("Missing x for --tiles\n");
-                PRINT_USAGE_AND_EXIT;
-            }
-            xTilesString = *argv;
-            ++argv;
-            if (argv >= stop) {
-                gLogger.logError("Missing y for --tiles\n");
-                PRINT_USAGE_AND_EXIT;
-            }
-            yTilesString = *argv;
-        }  else if (0 == strcmp(*argv, "--device")) {
-            ++argv;
-            if (argv >= stop) {
-                gLogger.logError("Missing mode for --device\n");
-                PRINT_USAGE_AND_EXIT;
-            }
-
-            if (0 == strcmp(*argv, "bitmap")) {
-                deviceType = sk_tools::PictureRenderer::kBitmap_DeviceType;
-            }
-#if SK_SUPPORT_GPU
-            else if (0 == strcmp(*argv, "gpu")) {
-                deviceType = sk_tools::PictureRenderer::kGPU_DeviceType;
-            }
-#endif
-#if SK_ANGLE
-            else if (0 == strcmp(*argv, "angle")) {
-                deviceType = sk_tools::PictureRenderer::kAngle_DeviceType;
-            }
-#endif
-            else {
-                SkString err;
-                err.printf("%s is not a valid mode for --device\n", *argv);
-                gLogger.logError(err);
-                PRINT_USAGE_AND_EXIT;
-            }
-        } else if (0 == strcmp(*argv, "--timers")) {
-            ++argv;
-            if (argv < stop) {
-                bool timerWall = false;
-                bool truncatedTimerWall = false;
-                bool timerCpu = false;
-                bool truncatedTimerCpu = false;
-                bool timerGpu = false;
-                for (char* t = *argv; *t; ++t) {
-                    switch (*t) {
-                        case 'w':
-                            timerWall = true;
-                            break;
-                        case 'c':
-                            timerCpu = true;
-                            break;
-                        case 'W':
-                            truncatedTimerWall = true;
-                            break;
-                        case 'C':
-                            truncatedTimerCpu = true;
-                            break;
-                        case 'g':
-                            timerGpu = true;
-                            break;
-                        default: {
-                            break;
-                        }
-                    }
+            for (int index = 0; index < SkDrawFilter::kTypeCount; ++index) {
+                if (type != SkDrawFilter::kTypeCount && index != type) {
+                    continue;
                 }
-                benchmark->setTimersToShow(timerWall, truncatedTimerWall, timerCpu,
-                                           truncatedTimerCpu, timerGpu);
-            } else {
-                gLogger.logError("Missing arg for --timers\n");
-                PRINT_USAGE_AND_EXIT;
+                drawFilters[index] = (sk_tools::PictureRenderer::DrawFilterFlags)
+                        (drawFilters[index] | flag);
             }
-        } else if (0 == strcmp(*argv, "--timeIndividualTiles")) {
-            benchmark->setTimeIndividualTiles(true);
-        } else if (0 == strcmp(*argv, "--min")) {
-            benchmark->setPrintMin(true);
-        } else if (0 == strcmp(*argv, "--enable-deferred-image-decoding")) {
-            lazy_decode = true;
-        } else if (0 == strcmp(*argv, "--logPerIter")) {
-            ++argv;
-            if (argv < stop) {
-                bool log = atoi(*argv) != 0;
-                benchmark->setLogPerIter(log);
-            } else {
-                gLogger.logError("Missing arg for --logPerIter\n");
-                PRINT_USAGE_AND_EXIT;
-            }
-        } else if (0 == strcmp(*argv, "--filter")) {
-            ++argv;
-            if (argv < stop) {
-                const char* colon = strchr(*argv, ':');
-                if (colon) {
-                    int type = -1;
-                    size_t typeLen = colon - *argv;
-                    for (size_t tIndex = 0; tIndex < kFilterTypesCount; ++tIndex) {
-                        if (typeLen == strlen(gFilterTypes[tIndex])
-                                && !strncmp(*argv, gFilterTypes[tIndex], typeLen)) {
-                            type = tIndex;
-                            break;
-                        }
-                    }
-                    if (type < 0) {
-                        SkString err;
-                        err.printf("Unknown type for --filter %s\n", *argv);
-                        gLogger.logError(err);
-                        PRINT_USAGE_AND_EXIT;
-                    }
-                    int flag = -1;
-                    size_t flagLen = strlen(*argv) - typeLen - 1;
-                    for (size_t fIndex = 0; fIndex < kFilterFlagsCount; ++fIndex) {
-                        if (flagLen == strlen(gFilterFlags[fIndex])
-                                && !strncmp(colon + 1, gFilterFlags[fIndex], flagLen)) {
-                            flag = 1 << fIndex;
-                            break;
-                        }
-                    }
-                    if (flag < 0) {
-                        SkString err;
-                        err.printf("Unknown flag for --filter %s\n", *argv);
-                        gLogger.logError(err);
-                        PRINT_USAGE_AND_EXIT;
-                    }
-                    for (int index = 0; index < SkDrawFilter::kTypeCount; ++index) {
-                        if (type != SkDrawFilter::kTypeCount && index != type) {
-                            continue;
-                        }
-                        drawFilters[index] = (sk_tools::PictureRenderer::DrawFilterFlags)
-                                (drawFilters[index] | flag);
-                    }
-                } else {
-                    SkString err;
-                    err.printf("Unknown arg for --filter %s : missing colon\n", *argv);
-                    gLogger.logError(err);
-                    PRINT_USAGE_AND_EXIT;
-                }
-            } else {
-                gLogger.logError("Missing arg for --filter\n");
-                PRINT_USAGE_AND_EXIT;
-            }
-        } else if (0 == strcmp(*argv, "--help") || 0 == strcmp(*argv, "-h")) {
-            PRINT_USAGE_AND_EXIT;
         } else {
-            inputs->push_back(SkString(*argv));
+            SkString err;
+            err.printf("Unknown arg for --filter %s : missing colon\n", filters);
+            gLogger.logError(err);
+            exit(-1);
         }
     }
 
-    if (numThreads > 1 && !useTiles) {
-        gLogger.logError("Multithreaded drawing requires tiled rendering.\n");
-        PRINT_USAGE_AND_EXIT;
-    }
-
-    if (usePipe && sk_tools::PictureRenderer::kNone_BBoxHierarchyType != bbhType) {
-        gLogger.logError("--pipe and --bbh cannot be used together\n");
-        PRINT_USAGE_AND_EXIT;
-    }
-
-    if (sk_tools::PictureRenderer::kTileGrid_BBoxHierarchyType == bbhType &&
-        !gridSupported) {
-        gLogger.logError("'--bbh grid' is not compatible with specified --mode.\n");
-        PRINT_USAGE_AND_EXIT;
-    }
-
-    if (useTiles) {
-        SkASSERT(NULL == renderer);
-        sk_tools::TiledPictureRenderer* tiledRenderer;
-        if (isCopyMode) {
-            int x, y;
-            if (xTilesString != NULL) {
-                SkASSERT(yTilesString != NULL);
-                x = atoi(xTilesString);
-                y = atoi(yTilesString);
-                if (x <= 0 || y <= 0) {
-                    gLogger.logError("--tiles must be given values > 0\n");
-                    PRINT_USAGE_AND_EXIT;
-                }
-            } else {
-                x = y = 4;
-            }
-            tiledRenderer = SkNEW_ARGS(sk_tools::CopyTilesRenderer, (x, y));
-            if (benchmark->timeIndividualTiles()) {
-                gLogger.logError("timeIndividualTiles is not compatible with copyTile\n");
-                PRINT_USAGE_AND_EXIT;
-            }
-        } else if (numThreads > 1) {
-            tiledRenderer = SkNEW_ARGS(sk_tools::MultiCorePictureRenderer, (numThreads));
-        } else {
-            tiledRenderer = SkNEW(sk_tools::TiledPictureRenderer);
-        }
-        if (isPowerOf2Mode) {
-            int minWidth = atoi(widthString);
-            if (!SkIsPow2(minWidth) || minWidth < 0) {
-                tiledRenderer->unref();
-                SkString err;
-                err.printf("-mode %s must be given a width"
-                         " value that is a power of two\n", mode);
-                gLogger.logError(err);
-                PRINT_USAGE_AND_EXIT;
-            }
-            tiledRenderer->setTileMinPowerOf2Width(minWidth);
-        } else if (sk_tools::is_percentage(widthString)) {
-            if (isCopyMode) {
-                tiledRenderer->unref();
-                SkString err;
-                err.printf("--mode %s does not support percentages.\n", mode);
-                gLogger.logError(err.c_str());
-                PRINT_USAGE_AND_EXIT;
-            }
-            tiledRenderer->setTileWidthPercentage(atof(widthString));
-            if (!(tiledRenderer->getTileWidthPercentage() > 0)) {
-                tiledRenderer->unref();
-                SkString err;
-                err.appendf("--mode %s must be given a width percentage > 0\n", mode);
-                gLogger.logError(err);
-                PRINT_USAGE_AND_EXIT;
-            }
-        } else {
-            tiledRenderer->setTileWidth(atoi(widthString));
-            if (!(tiledRenderer->getTileWidth() > 0)) {
-                tiledRenderer->unref();
-                SkString err;
-                err.appendf("--mode %s must be given a width > 0\n", mode);
-                gLogger.logError(err);
-                PRINT_USAGE_AND_EXIT;
-            }
-        }
-
-        if (sk_tools::is_percentage(heightString)) {
-            if (isCopyMode) {
-                tiledRenderer->unref();
-                SkString err;
-                err.printf("--mode %s does not support percentages.\n", mode);
-                gLogger.logError(err.c_str());
-                PRINT_USAGE_AND_EXIT;
-            }
-            tiledRenderer->setTileHeightPercentage(atof(heightString));
-            if (!(tiledRenderer->getTileHeightPercentage() > 0)) {
-                tiledRenderer->unref();
-                SkString err;
-                err.appendf("--mode %s must be given a height percentage > 0\n", mode);
-                gLogger.logError(err);
-                PRINT_USAGE_AND_EXIT;
-            }
-        } else {
-            tiledRenderer->setTileHeight(atoi(heightString));
-            if (!(tiledRenderer->getTileHeight() > 0)) {
-                tiledRenderer->unref();
-                SkString err;
-                err.appendf("--mode %s must be given a height > 0\n", mode);
-                gLogger.logError(err);
-                PRINT_USAGE_AND_EXIT;
-            }
-        }
-        if (numThreads > 1) {
-            switch (deviceType) {
-#if SK_SUPPORT_GPU
-                case sk_tools::PictureRenderer::kGPU_DeviceType:
-                    // fall through
-#endif
-#if SK_ANGLE
-                case sk_tools::PictureRenderer::kAngle_DeviceType:
-#endif
-                    tiledRenderer->unref();
-                    gLogger.logError("GPU not compatible with multithreaded tiling.\n");
-                    PRINT_USAGE_AND_EXIT;
+    if (FLAGS_timers.count() > 0) {
+        size_t index = 0;
+        bool timerWall = false;
+        bool truncatedTimerWall = false;
+        bool timerCpu = false;
+        bool truncatedTimerCpu = false;
+        bool timerGpu = false;
+        while (index < strlen(FLAGS_timers[0])) {
+            switch (FLAGS_timers[0][index]) {
+                case 'w':
+                    timerWall = true;
+                    break;
+                case 'c':
+                    timerCpu = true;
+                    break;
+                case 'W':
+                    truncatedTimerWall = true;
+                    break;
+                case 'C':
+                    truncatedTimerCpu = true;
+                    break;
+                case 'g':
+                    timerGpu = true;
                     break;
                 default:
+                    SkDebugf("mystery character\n");
                     break;
             }
+            index++;
         }
-        renderer.reset(tiledRenderer);
-        if (usePipe) {
-            gLogger.logError("Pipe rendering is currently not compatible with tiling.\n"
-                     "Turning off pipe.\n");
-        }
-    } else {
-        if (benchmark->timeIndividualTiles()) {
-            gLogger.logError("timeIndividualTiles requires tiled rendering.\n");
-            PRINT_USAGE_AND_EXIT;
-        }
-        if (usePipe) {
-            if (renderer.get() != NULL) {
-                gLogger.logError("Pipe is incompatible with other modes.\n");
-                PRINT_USAGE_AND_EXIT;
-            }
-            renderer.reset(SkNEW(sk_tools::PipePictureRenderer));
-        }
-    }
-    if (inputs->count() < 1) {
-        PRINT_USAGE_AND_EXIT;
+        benchmark->setTimersToShow(timerWall, truncatedTimerWall, timerCpu, truncatedTimerCpu,
+                                  timerGpu);
     }
 
-    if (NULL == renderer) {
-        renderer.reset(SkNEW(sk_tools::SimplePictureRenderer));
+    SkString errorString;
+    SkAutoTUnref<sk_tools::PictureRenderer> renderer(parseRenderer(errorString,
+                                                                   kBench_PictureTool));
+
+    if (errorString.size() > 0) {
+        gLogger.logError(errorString);
     }
 
-    renderer->setBBoxHierarchyType(bbhType);
+    if (NULL == renderer.get()) {
+        exit(-1);
+    }
+
+    if (FLAGS_timeIndividualTiles) {
+        if (FLAGS_multi > 1) {
+            gLogger.logError("Cannot time individual tiles with more than one thread.\n");
+            exit(-1);
+        }
+        sk_tools::TiledPictureRenderer* tiledRenderer = renderer->getTiledRenderer();
+        if (NULL == tiledRenderer) {
+            gLogger.logError("--timeIndividualTiles requires tiled rendering.\n");
+            exit(-1);
+        }
+        if (!tiledRenderer->supportsTimingIndividualTiles()) {
+            gLogger.logError("This renderer does not support --timeIndividualTiles.\n");
+            exit(-1);
+        }
+        benchmark->setTimeIndividualTiles(true);
+    }
+
+    if (FLAGS_r.count() < 1) {
+        gLogger.logError(".skp files or directories are required.\n");
+        exit(-1);
+    }
+
     renderer->setDrawFilters(drawFilters, filtersName(drawFilters));
-    renderer->setGridSize(gridWidth, gridHeight);
-    renderer->setViewport(viewport);
-    renderer->setScaleFactor(scaleFactor);
-    if (!renderer->setDeviceType(deviceType)) {
-        gLogger.logError("Invalid deviceType.\n");
-        PRINT_USAGE_AND_EXIT;
-    }
+    benchmark->setPrintMin(FLAGS_min);
+    benchmark->setLogPerIter(FLAGS_logPerIter);
     benchmark->setRenderer(renderer);
-    benchmark->setRepeats(repeats);
+    benchmark->setRepeats(FLAGS_repeat);
     benchmark->setLogger(&gLogger);
-    // Report current settings:
-    gLogger.logProgress(commandLine);
 }
 
-static int process_input(const SkString& input,
+static int process_input(const char* input,
                          sk_tools::PictureBenchmark& benchmark) {
-    SkOSFile::Iter iter(input.c_str(), "skp");
+    SkString inputAsSkString(input);
+    SkOSFile::Iter iter(input, "skp");
     SkString inputFilename;
     int failures = 0;
     if (iter.next(&inputFilename)) {
         do {
             SkString inputPath;
-            sk_tools::make_filepath(&inputPath, input, inputFilename);
+            sk_tools::make_filepath(&inputPath, inputAsSkString, inputFilename);
             if (!run_single_benchmark(inputPath, benchmark)) {
                 ++failures;
             }
         } while(iter.next(&inputFilename));
-    } else if (SkStrEndsWith(input.c_str(), ".skp")) {
-        if (!run_single_benchmark(input, benchmark)) {
+    } else if (SkStrEndsWith(input, ".skp")) {
+        if (!run_single_benchmark(inputAsSkString, benchmark)) {
             ++failures;
         }
     } else {
         SkString warning;
-        warning.printf("Warning: skipping %s\n", input.c_str());
+        warning.printf("Warning: skipping %s\n", input);
         gLogger.logError(warning);
     }
     return failures;
@@ -827,19 +349,45 @@
 
 int tool_main(int argc, char** argv);
 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());
+    SkFlags::SetUsage(usage.c_str());
+    SkFlags::ParseCommandLine(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;
 
-    SkTArray<SkString> inputs;
     sk_tools::PictureBenchmark benchmark;
 
-    parse_commandline(argc, argv, &inputs, &benchmark);
+    setup_benchmark(&benchmark);
 
     int failures = 0;
-    for (int i = 0; i < inputs.count(); ++i) {
-        failures += process_input(inputs[i], benchmark);
+    for (int i = 0; i < FLAGS_r.count(); ++i) {
+        failures += process_input(FLAGS_r[i], benchmark);
     }
 
     if (failures != 0) {