Clean up old custom tools now subsumed by nanobench.

tools/bench_playback.cpp

-/*
- * Copyright 2014 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "SkCanvas.h"
-#include "SkCommandLineFlags.h"
-#include "SkForceLinking.h"
-#include "SkGraphics.h"
-#include "SkOSFile.h"
-#include "SkPicture.h"
-#include "SkPictureRecorder.h"
-#include "SkStream.h"
-#include "SkString.h"
-
-#include "Stats.h"
-#include "Timer.h"
-
-__SK_FORCE_IMAGE_DECODER_LINKING;
-
-DEFINE_string2(skps, r, "skps", "Directory containing SKPs to playback.");
-DEFINE_int32(samples, 10, "Gather this many samples of each picture playback.");
-DEFINE_bool(skr, false, "Play via SkRecord instead of SkPicture.");
-DEFINE_int32(tile, 1000000000, "Simulated tile size.");
-DEFINE_string(match, "", "The usual filters on file names of SKPs to bench.");
-DEFINE_string(timescale, "ms", "Print times in ms, us, or ns");
-DEFINE_int32(verbose, 0, "0: print min sample; "
-                         "1: print min, mean, max and noise indication "
-                         "2: print all samples");
-
-static double timescale() {
-    if (FLAGS_timescale.contains("us")) return 1000;
-    if (FLAGS_timescale.contains("ns")) return 1000000;
-    return 1;
-}
-
-static SkPicture* rerecord(const SkPicture& src, bool skr) {
-    SkTileGridFactory::TileGridInfo info;
-    info.fTileInterval.set(FLAGS_tile, FLAGS_tile);
-    info.fMargin.setEmpty();
-    info.fOffset.setZero();
-    SkTileGridFactory factory(info);
-
-    SkPictureRecorder recorder;
-    src.playback(skr ? recorder.EXPERIMENTAL_beginRecording(src.cullRect().width(), 
-                                                            src.cullRect().height(), 
-                                                            &factory)
-                     : recorder.  DEPRECATED_beginRecording(src.cullRect().width(), 
-                                                            src.cullRect().height(), 
-                                                            &factory));
-    return recorder.endRecording();
-}
-
-static void bench(SkPMColor* scratch, const SkPicture& src, const char* name) {
-    SkAutoTUnref<const SkPicture> picture(rerecord(src, FLAGS_skr));
-
-    SkAutoTDelete<SkCanvas> canvas(
-        SkCanvas::NewRasterDirectN32(SkScalarCeilToInt(src.cullRect().width()),
-                                     SkScalarCeilToInt(src.cullRect().height()),
-                                     scratch,
-                                     SkScalarCeilToInt(src.cullRect().width()) * sizeof(SkPMColor)));
-    canvas->clipRect(SkRect::MakeWH(SkIntToScalar(FLAGS_tile), SkIntToScalar(FLAGS_tile)));
-
-    // Draw once to warm any caches.  The first sample otherwise can be very noisy.
-    picture->playback(canvas.get());
-
-    WallTimer timer;
-    const double scale = timescale();
-    SkAutoTMalloc<double> samples(FLAGS_samples);
-    for (int i = 0; i < FLAGS_samples; i++) {
-        // We assume timer overhead (typically, ~30ns) is insignificant
-        // compared to draw runtime (at least ~100us, usually several ms).
-        timer.start();
-        picture->playback(canvas.get());
-        timer.end();
-        samples[i] = timer.fWall * scale;
-    }
-
-    Stats stats(samples.get(), FLAGS_samples);
-    if (FLAGS_verbose == 0) {
-        printf("%g\t%s\n", stats.min, name);
-    } else if (FLAGS_verbose == 1) {
-        // Get a rough idea of how noisy the measurements were.
-        const double noisePercent = 100 * sqrt(stats.var) / stats.mean;
-        printf("%g\t%g\t%g\t±%.0f%%\t%s\n", stats.min, stats.mean, stats.max, noisePercent, name);
-    } else if (FLAGS_verbose == 2) {
-        printf("%s", name);
-        for (int i = 0; i < FLAGS_samples; i++) {
-            printf("\t%g", samples[i]);
-        }
-        printf("\n");
-    }
-}
-
-int tool_main(int argc, char** argv);
-int tool_main(int argc, char** argv) {
-    SkCommandLineFlags::Parse(argc, argv);
-    SkAutoGraphics autoGraphics;
-
-    // We share a single scratch bitmap among benches to reduce the profile noise from allocation.
-    static const int kMaxArea = 209825221;  // tabl_mozilla is this big.
-    SkAutoTMalloc<SkPMColor> scratch(kMaxArea);
-
-    SkOSFile::Iter it(FLAGS_skps[0], ".skp");
-    SkString filename;
-    bool failed = false;
-    while (it.next(&filename)) {
-        if (SkCommandLineFlags::ShouldSkip(FLAGS_match, filename.c_str())) {
-            continue;
-        }
-
-        const SkString path = SkOSPath::Join(FLAGS_skps[0], filename.c_str());
-
-        SkAutoTUnref<SkStream> stream(SkStream::NewFromFile(path.c_str()));
-        if (!stream) {
-            SkDebugf("Could not read %s.\n", path.c_str());
-            failed = true;
-            continue;
-        }
-        SkAutoTUnref<const SkPicture> src(SkPicture::CreateFromStream(stream));
-        if (!src) {
-            SkDebugf("Could not read %s as an SkPicture.\n", path.c_str());
-            failed = true;
-            continue;
-        }
-
-        if (SkScalarCeilToInt(src->cullRect().width()) * 
-            SkScalarCeilToInt(src->cullRect().height()) > kMaxArea) {
-            SkDebugf("%s (%f,%f,%f,%f) is larger than hardcoded scratch bitmap (%dpx).\n",
-                     path.c_str(), 
-                     src->cullRect().fLeft, src->cullRect().fTop,
-                     src->cullRect().fRight, src->cullRect().fBottom,
-                     kMaxArea);
-            failed = true;
-            continue;
-        }
-
-        bench(scratch.get(), *src, filename.c_str());
-    }
-    return failed ? 1 : 0;
-}
-
-#if !defined SK_BUILD_FOR_IOS
-int main(int argc, char * const argv[]) {
-    return tool_main(argc, (char**) argv);
-}
-#endif