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author | David <25727384+ogniK5377@users.noreply.github.com> | 2020-06-27 17:34:07 +0200 |
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committer | GitHub <noreply@github.com> | 2020-06-27 17:34:07 +0200 |
commit | 0ea4a8bcc4bca14bb7c65b248ed1899d2e7167cf (patch) | |
tree | a83acb1e779b98d31fa54389bae4be5669573a41 /src/common/wall_clock.h | |
parent | Merge pull request #4097 from kevinxucs/kevinxucs/device-pixel-scaling-float (diff) | |
parent | Common: Fix non-conan build (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/common/wall_clock.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/src/common/wall_clock.h b/src/common/wall_clock.h new file mode 100644 index 000000000..ed284cf50 --- /dev/null +++ b/src/common/wall_clock.h @@ -0,0 +1,51 @@ +// Copyright 2020 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <chrono> +#include <memory> + +#include "common/common_types.h" + +namespace Common { + +class WallClock { +public: + /// Returns current wall time in nanoseconds + virtual std::chrono::nanoseconds GetTimeNS() = 0; + + /// Returns current wall time in microseconds + virtual std::chrono::microseconds GetTimeUS() = 0; + + /// Returns current wall time in milliseconds + virtual std::chrono::milliseconds GetTimeMS() = 0; + + /// Returns current wall time in emulated clock cycles + virtual u64 GetClockCycles() = 0; + + /// Returns current wall time in emulated cpu cycles + virtual u64 GetCPUCycles() = 0; + + /// Tells if the wall clock, uses the host CPU's hardware clock + bool IsNative() const { + return is_native; + } + +protected: + WallClock(u64 emulated_cpu_frequency, u64 emulated_clock_frequency, bool is_native) + : emulated_cpu_frequency{emulated_cpu_frequency}, + emulated_clock_frequency{emulated_clock_frequency}, is_native{is_native} {} + + u64 emulated_cpu_frequency; + u64 emulated_clock_frequency; + +private: + bool is_native; +}; + +std::unique_ptr<WallClock> CreateBestMatchingClock(u32 emulated_cpu_frequency, + u32 emulated_clock_frequency); + +} // namespace Common |