9f1c241e0d
The real question is whether we ever want to record a picture without using the path bounds for a conservative (but faster) clip answer? R=reed@google.com, mtklein@google.com, djsollen@google.com, scroggo@google.com Author: robertphillips@google.com Review URL: https://codereview.chromium.org/316143003
126 lines
4.2 KiB
C++
126 lines
4.2 KiB
C++
/*
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* Copyright 2014 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "BenchTimer.h"
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#include "SkCommandLineFlags.h"
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#include "SkForceLinking.h"
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#include "SkGraphics.h"
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#include "SkOSFile.h"
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#include "SkPicture.h"
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#include "SkPictureRecorder.h"
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#include "SkRecording.h"
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#include "SkStream.h"
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#include "SkString.h"
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__SK_FORCE_IMAGE_DECODER_LINKING;
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DEFINE_string2(skps, r, "skps", "Directory containing SKPs to read and re-record.");
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DEFINE_int32(loops, 10, "Number of times to play back each SKP.");
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DEFINE_bool(skr, false, "Play via SkRecord instead of SkPicture.");
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DEFINE_int32(tile, 1000000000, "Simulated tile size.");
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DEFINE_string(match, "", "The usual filters on file names of SKPs to bench.");
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DEFINE_string(timescale, "ms", "Print times in ms, us, or ns");
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static double scale_time(double ms) {
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if (FLAGS_timescale.contains("us")) ms *= 1000;
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if (FLAGS_timescale.contains("ns")) ms *= 1000000;
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return ms;
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}
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static SkPicture* rerecord_with_tilegrid(SkPicture& src) {
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SkTileGridFactory::TileGridInfo info;
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info.fTileInterval.set(FLAGS_tile, FLAGS_tile);
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info.fMargin.setEmpty();
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info.fOffset.setZero();
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SkTileGridFactory factory(info);
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SkPictureRecorder recorder;
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src.draw(recorder.beginRecording(src.width(), src.height(), &factory));
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return recorder.endRecording();
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}
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static EXPERIMENTAL::SkPlayback* rerecord_with_skr(SkPicture& src) {
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EXPERIMENTAL::SkRecording recording(src.width(), src.height());
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src.draw(recording.canvas());
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return recording.releasePlayback();
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}
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static void bench(SkPMColor* scratch, SkPicture& src, const char* name) {
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SkAutoTUnref<SkPicture> picture(rerecord_with_tilegrid(src));
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SkAutoTDelete<EXPERIMENTAL::SkPlayback> record(rerecord_with_skr(src));
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SkAutoTDelete<SkCanvas> canvas(SkCanvas::NewRasterDirectN32(src.width(),
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src.height(),
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scratch,
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src.width() * sizeof(SkPMColor)));
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canvas->clipRect(SkRect::MakeWH(SkIntToScalar(FLAGS_tile), SkIntToScalar(FLAGS_tile)));
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BenchTimer timer;
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timer.start();
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for (int i = 0; i < FLAGS_loops; i++) {
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if (FLAGS_skr) {
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record->draw(canvas.get());
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} else {
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picture->draw(canvas.get());
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}
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}
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timer.end();
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const double msPerLoop = timer.fCpu / (double)FLAGS_loops;
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printf("%f\t%s\n", scale_time(msPerLoop), name);
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}
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int tool_main(int argc, char** argv);
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int tool_main(int argc, char** argv) {
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SkCommandLineFlags::Parse(argc, argv);
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SkAutoGraphics autoGraphics;
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// We share a single scratch bitmap among benches to reduce the profile noise from allocation.
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static const int kMaxArea = 209825221; // tabl_mozilla is this big.
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SkAutoTMalloc<SkPMColor> scratch(kMaxArea);
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SkOSFile::Iter it(FLAGS_skps[0], ".skp");
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SkString filename;
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bool failed = false;
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while (it.next(&filename)) {
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if (SkCommandLineFlags::ShouldSkip(FLAGS_match, filename.c_str())) {
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continue;
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}
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const SkString path = SkOSPath::SkPathJoin(FLAGS_skps[0], filename.c_str());
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SkAutoTUnref<SkStream> stream(SkStream::NewFromFile(path.c_str()));
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if (!stream) {
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SkDebugf("Could not read %s.\n", path.c_str());
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failed = true;
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continue;
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}
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SkAutoTUnref<SkPicture> src(SkPicture::CreateFromStream(stream));
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if (!src) {
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SkDebugf("Could not read %s as an SkPicture.\n", path.c_str());
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failed = true;
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continue;
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}
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if (src->width() * src->height() > kMaxArea) {
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SkDebugf("%s (%dx%d) is larger than hardcoded scratch bitmap (%dpx).\n",
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path.c_str(), src->width(), src->height(), kMaxArea);
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failed = true;
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continue;
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}
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bench(scratch.get(), *src, filename.c_str());
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}
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return failed ? 1 : 0;
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}
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#if !defined SK_BUILD_FOR_IOS
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int main(int argc, char * const argv[]) {
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return tool_main(argc, (char**) argv);
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}
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#endif
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