15ac322aae
I got fed up trying to figure out how best to measure recording cost with bench_pictures, render_pictures, etc, so I wrote a new tool. Features welcome. BUG= R=tomhudson@google.com Author: mtklein@google.com Review URL: https://codereview.chromium.org/132573002 git-svn-id: http://skia.googlecode.com/svn/trunk@13037 2bbb7eff-a529-9590-31e7-b0007b416f81
69 lines
2.2 KiB
C++
69 lines
2.2 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 "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 "SkStream.h"
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#include "SkString.h"
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#include "SkTime.h"
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__SK_FORCE_IMAGE_DECODER_LINKING;
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// Just reading all the SKPs takes about 2 seconds for me, which is the same as about 100 loops of
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// rerecording all the SKPs. So we default to --loops=900, which makes ~90% of our time spent in
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// recording, and this should take ~20 seconds to run.
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DEFINE_string2(skps, r, "skps", "Directory containing SKPs to read and re-record.");
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DEFINE_int32(loops, 900, "Number of times to re-record each SKP.");
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DEFINE_int32(flags, SkPicture::kUsePathBoundsForClip_RecordingFlag, "RecordingFlags to use.");
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DEFINE_bool(endRecording, true, "If false, don't time SkPicture::endRecording()");
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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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SkOSFile::Iter it(FLAGS_skps[0], ".skp");
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SkString filename;
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while (it.next(&filename)) {
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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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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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continue;
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}
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const SkMSec start = SkTime::GetMSecs();
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for (int i = 0; i < FLAGS_loops; i++) {
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SkPicture dst;
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src->draw(dst.beginRecording(src->width(), src->height(), FLAGS_flags));
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if (FLAGS_endRecording) dst.endRecording();
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}
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const SkMSec elapsed = SkTime::GetMSecs() - start;
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const double msPerLoop = elapsed / (double)FLAGS_loops;
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printf("%4.2f\t%s\n", msPerLoop, filename.c_str());
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}
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return 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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