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[common] remove ptr indirection on WallClock (#3864)

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also devirtualizes manually since compiler doesn't do it with LTO

Signed-off-by: lizzie <lizzie@eden-emu.dev>

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3864
Reviewed-by: crueter <crueter@eden-emu.dev>
This commit is contained in:
lizzie 2026-05-15 22:06:38 +02:00 • committed by crueter
parent a1f9e68f46
commit 975aa4e2f2
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14 changed files with 300 additions and 404 deletions
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45
src/common/wall_clock.h
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@ -1,4 +1,4 @@
// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
@ -20,28 +20,28 @@ public:
static constexpr u64 GPUTickFreq = 614'400'000; // GM20B GPU Tick Frequency = 614.4 MHz
static constexpr u64 CPUTickFreq = 1'020'000'000; // T210/4 A57 CPU Tick Frequency = 1020.0 MHz
virtual ~WallClock() = default;
explicit WallClock(bool invariant, u64 rdtsc_frequency_) noexcept;
/// @returns The time in nanoseconds since the construction of this clock.
virtual std::chrono::nanoseconds GetTimeNS() const = 0;
std::chrono::nanoseconds GetTimeNS() const;
/// @returns The time in microseconds since the construction of this clock.
virtual std::chrono::microseconds GetTimeUS() const = 0;
std::chrono::microseconds GetTimeUS() const;
/// @returns The time in milliseconds since the construction of this clock.
virtual std::chrono::milliseconds GetTimeMS() const = 0;
std::chrono::milliseconds GetTimeMS() const;
/// @returns The guest CNTPCT ticks since the construction of this clock.
virtual s64 GetCNTPCT() const = 0;
s64 GetCNTPCT() const;
/// @returns The guest GPU ticks since the construction of this clock.
virtual s64 GetGPUTick() const = 0;
s64 GetGPUTick() const;
/// @returns The raw host timer ticks since an indeterminate epoch.
virtual s64 GetUptime() const = 0;
s64 GetUptime() const;
/// @returns Whether the clock directly uses the host's hardware clock.
virtual bool IsNative() const = 0;
bool IsNative() const;
static inline u64 NSToCNTPCT(u64 ns) {
return ns * NsToCNTPCTRatio::num / NsToCNTPCTRatio::den;
@ -85,8 +85,33 @@ protected:
using CPUTickToUsRatio = std::ratio<std::micro::den, CPUTickFreq>;
using CPUTickToCNTPCTRatio = std::ratio<CNTFRQ, CPUTickFreq>;
using CPUTickToGPUTickRatio = std::ratio<GPUTickFreq, CPUTickFreq>;
#if defined(ARCHITECTURE_x86_64)
bool invariant;
u64 rdtsc_frequency;
u64 ns_rdtsc_factor;
u64 us_rdtsc_factor;
u64 ms_rdtsc_factor;
u64 cntpct_rdtsc_factor;
u64 gputick_rdtsc_factor;
#elif defined(HAS_NCE)
public:
using FactorType = unsigned __int128;
FactorType GetGuestCNTFRQFactor() const {
return guest_cntfrq_factor;
}
protected:
FactorType ns_cntfrq_factor;
FactorType us_cntfrq_factor;
FactorType ms_cntfrq_factor;
FactorType guest_cntfrq_factor;
FactorType gputick_cntfrq_factor;
#else
#endif
};
[[nodiscard]] std::unique_ptr<WallClock> CreateOptimalClock();
[[nodiscard]] WallClock CreateOptimalClock() noexcept;
} // namespace Common