771a9c21cc
From -fsanitize=address, this code wasn't calling the proper destructor. Adding virtual destructors for each inherited class and the base class fixes this bug. While we are at it, mark the functions as final.
91 lines
3 KiB
C++
91 lines
3 KiB
C++
// Copyright 2020 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "common/uint128.h"
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#include "common/wall_clock.h"
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#ifdef ARCHITECTURE_x86_64
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#include "common/x64/cpu_detect.h"
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#include "common/x64/native_clock.h"
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#endif
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namespace Common {
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using base_timer = std::chrono::steady_clock;
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using base_time_point = std::chrono::time_point<base_timer>;
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class StandardWallClock final : public WallClock {
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public:
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StandardWallClock(u64 emulated_cpu_frequency, u64 emulated_clock_frequency)
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: WallClock(emulated_cpu_frequency, emulated_clock_frequency, false) {
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start_time = base_timer::now();
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}
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std::chrono::nanoseconds GetTimeNS() override {
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base_time_point current = base_timer::now();
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auto elapsed = current - start_time;
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return std::chrono::duration_cast<std::chrono::nanoseconds>(elapsed);
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}
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std::chrono::microseconds GetTimeUS() override {
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base_time_point current = base_timer::now();
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auto elapsed = current - start_time;
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return std::chrono::duration_cast<std::chrono::microseconds>(elapsed);
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}
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std::chrono::milliseconds GetTimeMS() override {
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base_time_point current = base_timer::now();
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auto elapsed = current - start_time;
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return std::chrono::duration_cast<std::chrono::milliseconds>(elapsed);
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}
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u64 GetClockCycles() override {
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std::chrono::nanoseconds time_now = GetTimeNS();
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const u128 temporary =
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Common::Multiply64Into128(time_now.count(), emulated_clock_frequency);
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return Common::Divide128On32(temporary, 1000000000).first;
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}
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u64 GetCPUCycles() override {
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std::chrono::nanoseconds time_now = GetTimeNS();
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const u128 temporary = Common::Multiply64Into128(time_now.count(), emulated_cpu_frequency);
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return Common::Divide128On32(temporary, 1000000000).first;
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}
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void Pause(bool is_paused) override {
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// Do nothing in this clock type.
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}
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private:
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base_time_point start_time;
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};
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#ifdef ARCHITECTURE_x86_64
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std::unique_ptr<WallClock> CreateBestMatchingClock(u32 emulated_cpu_frequency,
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u32 emulated_clock_frequency) {
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const auto& caps = GetCPUCaps();
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u64 rtsc_frequency = 0;
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if (caps.invariant_tsc) {
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rtsc_frequency = EstimateRDTSCFrequency();
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}
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if (rtsc_frequency == 0) {
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return std::make_unique<StandardWallClock>(emulated_cpu_frequency,
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emulated_clock_frequency);
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} else {
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return std::make_unique<X64::NativeClock>(emulated_cpu_frequency, emulated_clock_frequency,
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rtsc_frequency);
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}
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}
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#else
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std::unique_ptr<WallClock> CreateBestMatchingClock(u32 emulated_cpu_frequency,
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u32 emulated_clock_frequency) {
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return std::make_unique<StandardWallClock>(emulated_cpu_frequency, emulated_clock_frequency);
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}
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#endif
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} // namespace Common
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