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System: Implement variable emulation speed

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This commit is contained in:
Connor McLaughlin
2020-02-11 12:02:42 +09:00
parent a81a0c0f21
commit 70fe43a3ec
6 changed files with 35 additions and 6 deletions
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8
src/core/system.h
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@ -93,7 +93,10 @@ public:
void RunFrame();
/// Adjusts the throttle frequency, i.e. how many times we should sleep per second.
void SetThrottleFrequency(double frequency) { m_throttle_period = static_cast<s64>(1000000000.0 / frequency); }
void SetThrottleFrequency(float frequency);
/// Updates the throttle period, call when target emulation speed changes.
void UpdateThrottlePeriod();
/// Throttles the system, i.e. sleeps until it's time to execute the next frame.
void Throttle();
@ -186,8 +189,9 @@ private:
std::string m_running_game_code;
std::string m_running_game_title;
float m_throttle_frequency = 60.0f;
s32 m_throttle_period = 0;
u64 m_last_throttle_time = 0;
s64 m_throttle_period = INT64_C(1000000000) / 60;
Common::Timer m_throttle_timer;
Common::Timer m_speed_lost_time_timestamp;