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general: Rename "Frame Limit" references to "Speed Limit"

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This setting is best referred to as a speed limit, as it involves the limits of all timing based aspects of the emulator, not only framerate.
This allows us to differentiate it from the fps unlocker setting.
This commit is contained in:
ameerj 2021-07-22 19:56:21 -04:00
parent db46f8a70c
commit 9dfbc9bdce
16 changed files with 77 additions and 77 deletions
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20
src/core/perf_stats.cpp
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@ -127,15 +127,15 @@ double PerfStats::GetLastFrameTimeScale() const {
return duration_cast<DoubleSecs>(previous_frame_length).count() / FRAME_LENGTH;
}
void FrameLimiter::DoFrameLimiting(microseconds current_system_time_us) {
if (!Settings::values.use_frame_limit.GetValue() ||
void SpeedLimiter::DoSpeedLimiting(microseconds current_system_time_us) {
if (!Settings::values.use_speed_limit.GetValue() ||
Settings::values.use_multi_core.GetValue()) {
return;
}
auto now = Clock::now();
const double sleep_scale = Settings::values.frame_limit.GetValue() / 100.0;
const double sleep_scale = Settings::values.speed_limit.GetValue() / 100.0;
// Max lag caused by slow frames. Shouldn't be more than the length of a frame at the current
// speed percent or it will clamp too much and prevent this from properly limiting to that
@ -143,17 +143,17 @@ void FrameLimiter::DoFrameLimiting(microseconds current_system_time_us) {
// limiting
const microseconds max_lag_time_us = duration_cast<microseconds>(
std::chrono::duration<double, std::chrono::microseconds::period>(25ms / sleep_scale));
frame_limiting_delta_err += duration_cast<microseconds>(
speed_limiting_delta_err += duration_cast<microseconds>(
std::chrono::duration<double, std::chrono::microseconds::period>(
(current_system_time_us - previous_system_time_us) / sleep_scale));
frame_limiting_delta_err -= duration_cast<microseconds>(now - previous_walltime);
frame_limiting_delta_err =
std::clamp(frame_limiting_delta_err, -max_lag_time_us, max_lag_time_us);
speed_limiting_delta_err -= duration_cast<microseconds>(now - previous_walltime);
speed_limiting_delta_err =
std::clamp(speed_limiting_delta_err, -max_lag_time_us, max_lag_time_us);
if (frame_limiting_delta_err > microseconds::zero()) {
std::this_thread::sleep_for(frame_limiting_delta_err);
if (speed_limiting_delta_err > microseconds::zero()) {
std::this_thread::sleep_for(speed_limiting_delta_err);
auto now_after_sleep = Clock::now();
frame_limiting_delta_err -= duration_cast<microseconds>(now_after_sleep - now);
speed_limiting_delta_err -= duration_cast<microseconds>(now_after_sleep - now);
now = now_after_sleep;
}