Justin Marshall
58 lines
1.5 KiB
C++
58 lines
1.5 KiB
C++
#pragma once
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#include "idlib/text/str.h"
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#include <chrono>
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#include <cstdint>
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class idTimer {
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public:
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enum timerState_t : int { TS_STARTED = 0, TS_STOPPED = 1 };
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idTimer() : state(TS_STOPPED), start(0), clockTicks(0) {}
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virtual ~idTimer() = default;
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void Start() { state = TS_STARTED; start = ClockNow(); }
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void Stop() {
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if (state != TS_STARTED) return;
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clockTicks += ClockNow() - start;
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if (baseClockTicks < 0) InitBaseClockTicks();
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if (clockTicks > baseClockTicks) clockTicks -= baseClockTicks;
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state = TS_STOPPED;
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}
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void Clear() { state = TS_STOPPED; start = 0; clockTicks = 0; }
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std::int64_t ClockTicks() const { return clockTicks; }
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double Milliseconds() const { return static_cast<double>(clockTicks) / 1000000.0; }
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alignas(8) timerState_t state;
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std::int64_t start;
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std::int64_t clockTicks;
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private:
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static std::int64_t baseClockTicks;
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void InitBaseClockTicks() const;
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static std::int64_t ClockNow() {
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return std::chrono::duration_cast<std::chrono::nanoseconds>(
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std::chrono::steady_clock::now().time_since_epoch()).count();
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}
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};
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class idJobTimer {
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public:
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idStr name;
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int start;
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int ends;
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};
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class idSPUTimer {
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public:
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unsigned int startDecr;
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};
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#if defined(_WIN32) && !defined(_WIN64)
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static_assert(sizeof(idTimer) == 32, "Recovered idTimer ABI changed");
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static_assert(sizeof(idJobTimer) == 40, "Recovered idJobTimer ABI changed");
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static_assert(sizeof(idSPUTimer) == 4, "Recovered idSPUTimer ABI changed");
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#endif
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