From 7fffdf83b70ec5f0ead804cb2c16b9029f7e0cfa Mon Sep 17 00:00:00 2001 From: Morph <39850852+Morph1984@users.noreply.github.com> Date: Wed, 1 Mar 2023 19:43:00 -0500 Subject: [PATCH] wall_clock: Make use of SteadyClock --- src/common/wall_clock.cpp | 34 +++++++++++----------------------- 1 file changed, 11 insertions(+), 23 deletions(-) diff --git a/src/common/wall_clock.cpp b/src/common/wall_clock.cpp index ae07f2811..6d972d136 100644 --- a/src/common/wall_clock.cpp +++ b/src/common/wall_clock.cpp @@ -1,6 +1,7 @@ // SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project // SPDX-License-Identifier: GPL-2.0-or-later +#include "common/steady_clock.h" #include "common/uint128.h" #include "common/wall_clock.h" @@ -11,45 +12,32 @@ namespace Common { -using base_timer = std::chrono::steady_clock; -using base_time_point = std::chrono::time_point; - class StandardWallClock final : public WallClock { public: explicit StandardWallClock(u64 emulated_cpu_frequency_, u64 emulated_clock_frequency_) - : WallClock(emulated_cpu_frequency_, emulated_clock_frequency_, false) { - start_time = base_timer::now(); - } + : WallClock{emulated_cpu_frequency_, emulated_clock_frequency_, false}, + start_time{SteadyClock::Now()} {} std::chrono::nanoseconds GetTimeNS() override { - base_time_point current = base_timer::now(); - auto elapsed = current - start_time; - return std::chrono::duration_cast(elapsed); + return SteadyClock::Now() - start_time; } std::chrono::microseconds GetTimeUS() override { - base_time_point current = base_timer::now(); - auto elapsed = current - start_time; - return std::chrono::duration_cast(elapsed); + return std::chrono::duration_cast(GetTimeNS()); } std::chrono::milliseconds GetTimeMS() override { - base_time_point current = base_timer::now(); - auto elapsed = current - start_time; - return std::chrono::duration_cast(elapsed); + return std::chrono::duration_cast(GetTimeNS()); } u64 GetClockCycles() override { - std::chrono::nanoseconds time_now = GetTimeNS(); - const u128 temporary = - Common::Multiply64Into128(time_now.count(), emulated_clock_frequency); - return Common::Divide128On32(temporary, 1000000000).first; + const u128 temp = Common::Multiply64Into128(GetTimeNS().count(), emulated_clock_frequency); + return Common::Divide128On32(temp, NS_RATIO).first; } u64 GetCPUCycles() override { - std::chrono::nanoseconds time_now = GetTimeNS(); - const u128 temporary = Common::Multiply64Into128(time_now.count(), emulated_cpu_frequency); - return Common::Divide128On32(temporary, 1000000000).first; + const u128 temp = Common::Multiply64Into128(GetTimeNS().count(), emulated_cpu_frequency); + return Common::Divide128On32(temp, NS_RATIO).first; } void Pause([[maybe_unused]] bool is_paused) override { @@ -57,7 +45,7 @@ public: } private: - base_time_point start_time; + SteadyClock::time_point start_time; }; #ifdef ARCHITECTURE_x86_64