d0306a1593
Reason for revert: breaks EVERYTHING Original issue's description: > Add nanosecond timer. > > I've been finding it hard to get enough resolution out of our existing timers when measuring really tiny pictures. > > BUG=skia:2378 > > Committed: http://code.google.com/p/skia/source/detail?r=14362 R=bsalomon@google.com, bungeman@google.com, mtklein@chromium.org TBR=bsalomon@google.com, bungeman@google.com, mtklein@chromium.org NOTREECHECKS=true NOTRY=true BUG=skia:2378 Author: mtklein@google.com Review URL: https://codereview.chromium.org/258703002 git-svn-id: http://skia.googlecode.com/svn/trunk@14364 2bbb7eff-a529-9590-31e7-b0007b416f81
66 lines
1.6 KiB
C++
66 lines
1.6 KiB
C++
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/*
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* Copyright 2006 The Android Open Source Project
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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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#ifndef SkTime_DEFINED
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#define SkTime_DEFINED
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#include "SkTypes.h"
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/** \class SkTime
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Platform-implemented utilities to return time of day, and millisecond counter.
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*/
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class SkTime {
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public:
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struct DateTime {
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uint16_t fYear; //!< e.g. 2005
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uint8_t fMonth; //!< 1..12
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uint8_t fDayOfWeek; //!< 0..6, 0==Sunday
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uint8_t fDay; //!< 1..31
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uint8_t fHour; //!< 0..23
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uint8_t fMinute; //!< 0..59
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uint8_t fSecond; //!< 0..59
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};
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static void GetDateTime(DateTime*);
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static SkMSec GetMSecs();
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};
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#if defined(SK_DEBUG) && defined(SK_BUILD_FOR_WIN32)
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extern SkMSec gForceTickCount;
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#endif
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#define SK_TIME_FACTOR 1
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///////////////////////////////////////////////////////////////////////////////
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class SkAutoTime {
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public:
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// The label is not deep-copied, so its address must remain valid for the
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// lifetime of this object
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SkAutoTime(const char* label = NULL, SkMSec minToDump = 0) : fLabel(label)
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{
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fNow = SkTime::GetMSecs();
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fMinToDump = minToDump;
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}
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~SkAutoTime()
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{
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SkMSec dur = SkTime::GetMSecs() - fNow;
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if (dur >= fMinToDump) {
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SkDebugf("%s %d\n", fLabel ? fLabel : "", dur);
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}
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}
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private:
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const char* fLabel;
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SkMSec fNow;
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SkMSec fMinToDump;
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};
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#define SkAutoTime(...) SK_REQUIRE_LOCAL_VAR(SkAutoTime)
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#endif
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