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Merge pull request #6696 from ameerj/speed-limit-rename

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general: Rename "Frame Limit" references to "Speed Limit"
This commit is contained in:
bunnei 2021-07-26 18:51:00 -07:00 • committed by GitHub
commit d6c799494c
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GPG key ID: 4AEE18F83AFDEB23
18 changed files with 80 additions and 88 deletions
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10
src/core/core.cpp
View file

@ -411,7 +411,7 @@ struct System::Impl {
std::string status_details = "";
std::unique_ptr<Core::PerfStats> perf_stats;
Core::FrameLimiter frame_limiter;
Core::SpeedLimiter speed_limiter;
bool is_multicore{};
bool is_async_gpu{};
@ -606,12 +606,12 @@ const Core::PerfStats& System::GetPerfStats() const {
return *impl->perf_stats;
}
Core::FrameLimiter& System::FrameLimiter() {
return impl->frame_limiter;
Core::SpeedLimiter& System::SpeedLimiter() {
return impl->speed_limiter;
}
const Core::FrameLimiter& System::FrameLimiter() const {
return impl->frame_limiter;
const Core::SpeedLimiter& System::SpeedLimiter() const {
return impl->speed_limiter;
}
Loader::ResultStatus System::GetGameName(std::string& out) const {

10
src/core/core.h
View file

@ -94,7 +94,7 @@ class ARM_Interface;
class CpuManager;
class DeviceMemory;
class ExclusiveMonitor;
class FrameLimiter;
class SpeedLimiter;
class PerfStats;
class Reporter;
class TelemetrySession;
@ -292,11 +292,11 @@ public:
/// Provides a constant reference to the internal PerfStats instance.
[[nodiscard]] const Core::PerfStats& GetPerfStats() const;
/// Provides a reference to the frame limiter;
[[nodiscard]] Core::FrameLimiter& FrameLimiter();
/// Provides a reference to the speed limiter;
[[nodiscard]] Core::SpeedLimiter& SpeedLimiter();
/// Provides a constant referent to the frame limiter
[[nodiscard]] const Core::FrameLimiter& FrameLimiter() const;
/// Provides a constant reference to the speed limiter
[[nodiscard]] const Core::SpeedLimiter& SpeedLimiter() const;
/// Gets the name of the current game
[[nodiscard]] Loader::ResultStatus GetGameName(std::string& out) const;

2
src/core/hle/service/nvdrv/devices/nvdisp_disp0.cpp
View file

@ -54,7 +54,7 @@ void nvdisp_disp0::flip(u32 buffer_handle, u32 offset, u32 format, u32 width, u3
system.GetPerfStats().EndSystemFrame();
system.GPU().SwapBuffers(&framebuffer);
system.FrameLimiter().DoFrameLimiting(system.CoreTiming().GetGlobalTimeUs());
system.SpeedLimiter().DoSpeedLimiting(system.CoreTiming().GetGlobalTimeUs());
system.GetPerfStats().BeginSystemFrame();
}

20
src/core/perf_stats.cpp
View file

@ -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;
}

6
src/core/perf_stats.h
View file

@ -85,11 +85,11 @@ private:
double previous_fps = 0;
};
class FrameLimiter {
class SpeedLimiter {
public:
using Clock = std::chrono::high_resolution_clock;
void DoFrameLimiting(std::chrono::microseconds current_system_time_us);
void DoSpeedLimiting(std::chrono::microseconds current_system_time_us);
private:
/// Emulated system time (in microseconds) at the last limiter invocation
@ -98,7 +98,7 @@ private:
Clock::time_point previous_walltime = Clock::now();
/// Accumulated difference between walltime and emulated time
std::chrono::microseconds frame_limiting_delta_err{0};
std::chrono::microseconds speed_limiting_delta_err{0};
};
} // namespace Core

4
src/core/telemetry_session.cpp
View file

@ -221,8 +221,8 @@ void TelemetrySession::AddInitialInfo(Loader::AppLoader& app_loader,
TranslateRenderer(Settings::values.renderer_backend.GetValue()));
AddField(field_type, "Renderer_ResolutionFactor",
Settings::values.resolution_factor.GetValue());
AddField(field_type, "Renderer_UseFrameLimit", Settings::values.use_frame_limit.GetValue());
AddField(field_type, "Renderer_FrameLimit", Settings::values.frame_limit.GetValue());
AddField(field_type, "Renderer_UseSpeedLimit", Settings::values.use_speed_limit.GetValue());
AddField(field_type, "Renderer_SpeedLimit", Settings::values.speed_limit.GetValue());
AddField(field_type, "Renderer_UseDiskShaderCache",
Settings::values.use_disk_shader_cache.GetValue());
AddField(field_type, "Renderer_GPUAccuracyLevel",