diff --git a/src/core/perf_stats.cpp b/src/core/perf_stats.cpp
index 4e5633edb..93d23de21 100644
--- a/src/core/perf_stats.cpp
+++ b/src/core/perf_stats.cpp
@@ -78,20 +78,29 @@ void FrameLimiter::DoFrameLimiting(microseconds current_system_time_us) {
// values increase the time needed to recover and limit framerate again after spikes.
constexpr microseconds MAX_LAG_TIME_US = 25000us;
- if (!Settings::values.toggle_framelimit) {
+ if (!Settings::values.use_frame_limit) {
return;
}
auto now = Clock::now();
- frame_limiting_delta_err += current_system_time_us - previous_system_time_us;
+ const double sleep_scale = Settings::values.frame_limit / 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
+ // percent. High values means it'll take longer after a slow frame to recover and start
+ // 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>(
+ 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);
+ std::clamp(frame_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);
-
auto now_after_sleep = Clock::now();
frame_limiting_delta_err -= duration_cast<microseconds>(now_after_sleep - now);
now = now_after_sleep;
diff --git a/src/core/settings.h b/src/core/settings.h
index 73dc3061f..ed6f42471 100644
--- a/src/core/settings.h
+++ b/src/core/settings.h
@@ -130,7 +130,8 @@ struct Values {
// Renderer
float resolution_factor;
- bool toggle_framelimit;
+ bool use_frame_limit;
+ u16 frame_limit;
bool use_accurate_framebuffers;
float bg_red;
diff --git a/src/core/telemetry_session.cpp b/src/core/telemetry_session.cpp
index 69383330f..827a1bbd0 100644
--- a/src/core/telemetry_session.cpp
+++ b/src/core/telemetry_session.cpp
@@ -106,8 +106,9 @@ TelemetrySession::TelemetrySession() {
Settings::values.use_multi_core);
AddField(Telemetry::FieldType::UserConfig, "Renderer_ResolutionFactor",
Settings::values.resolution_factor);
- AddField(Telemetry::FieldType::UserConfig, "Renderer_ToggleFramelimit",
- Settings::values.toggle_framelimit);
+ AddField(Telemetry::FieldType::UserConfig, "Renderer_UseFrameLimit",
+ Settings::values.use_frame_limit);
+ AddField(Telemetry::FieldType::UserConfig, "Renderer_FrameLimit", Settings::values.frame_limit);
AddField(Telemetry::FieldType::UserConfig, "Renderer_UseAccurateFramebuffers",
Settings::values.use_accurate_framebuffers);
AddField(Telemetry::FieldType::UserConfig, "System_UseDockedMode",
diff --git a/src/video_core/renderer_base.cpp b/src/video_core/renderer_base.cpp
index 645d1521a..be17a2b9c 100644
--- a/src/video_core/renderer_base.cpp
+++ b/src/video_core/renderer_base.cpp
@@ -18,7 +18,7 @@ RendererBase::~RendererBase() = default;
void RendererBase::RefreshBaseSettings() {
UpdateCurrentFramebufferLayout();
- renderer_settings.use_framelimiter = Settings::values.toggle_framelimit;
+ renderer_settings.use_framelimiter = Settings::values.use_frame_limit;
}
void RendererBase::UpdateCurrentFramebufferLayout() {
diff --git a/src/yuzu/configuration/config.cpp b/src/yuzu/configuration/config.cpp
index 0bd46dbac..df55c3e3d 100644
--- a/src/yuzu/configuration/config.cpp
+++ b/src/yuzu/configuration/config.cpp
@@ -83,7 +83,8 @@ void Config::ReadValues() {
qt_config->beginGroup("Renderer");
Settings::values.resolution_factor = qt_config->value("resolution_factor", 1.0).toFloat();
- Settings::values.toggle_framelimit = qt_config->value("toggle_framelimit", true).toBool();
+ Settings::values.use_frame_limit = qt_config->value("use_frame_limit", true).toBool();
+ Settings::values.frame_limit = qt_config->value("frame_limit", 100).toInt();
Settings::values.use_accurate_framebuffers =
qt_config->value("use_accurate_framebuffers", false).toBool();
@@ -203,7 +204,8 @@ void Config::SaveValues() {
qt_config->beginGroup("Renderer");
qt_config->setValue("resolution_factor", (double)Settings::values.resolution_factor);
- qt_config->setValue("toggle_framelimit", Settings::values.toggle_framelimit);
+ qt_config->setValue("use_frame_limit", Settings::values.use_frame_limit);
+ qt_config->setValue("frame_limit", Settings::values.frame_limit);
qt_config->setValue("use_accurate_framebuffers", Settings::values.use_accurate_framebuffers);
// Cast to double because Qt's written float values are not human-readable
diff --git a/src/yuzu/configuration/configure_graphics.cpp b/src/yuzu/configuration/configure_graphics.cpp
index 4afe0f81b..ee1287028 100644
--- a/src/yuzu/configuration/configure_graphics.cpp
+++ b/src/yuzu/configuration/configure_graphics.cpp
@@ -12,6 +12,10 @@ ConfigureGraphics::ConfigureGraphics(QWidget* parent)
ui->setupUi(this);
this->setConfiguration();
+
+ ui->frame_limit->setEnabled(Settings::values.use_frame_limit);
+ connect(ui->toggle_frame_limit, &QCheckBox::stateChanged, ui->frame_limit,
+ &QSpinBox::setEnabled);
}
ConfigureGraphics::~ConfigureGraphics() = default;
@@ -58,13 +62,15 @@ Resolution FromResolutionFactor(float factor) {
void ConfigureGraphics::setConfiguration() {
ui->resolution_factor_combobox->setCurrentIndex(
static_cast<int>(FromResolutionFactor(Settings::values.resolution_factor)));
- ui->toggle_framelimit->setChecked(Settings::values.toggle_framelimit);
+ ui->toggle_frame_limit->setChecked(Settings::values.use_frame_limit);
+ ui->frame_limit->setValue(Settings::values.frame_limit);
ui->use_accurate_framebuffers->setChecked(Settings::values.use_accurate_framebuffers);
}
void ConfigureGraphics::applyConfiguration() {
Settings::values.resolution_factor =
ToResolutionFactor(static_cast<Resolution>(ui->resolution_factor_combobox->currentIndex()));
- Settings::values.toggle_framelimit = ui->toggle_framelimit->isChecked();
+ Settings::values.use_frame_limit = ui->toggle_frame_limit->isChecked();
+ Settings::values.frame_limit = ui->frame_limit->value();
Settings::values.use_accurate_framebuffers = ui->use_accurate_framebuffers->isChecked();
}
diff --git a/src/yuzu/configuration/configure_graphics.ui b/src/yuzu/configuration/configure_graphics.ui
index 7d092df03..3bc18c26e 100644
--- a/src/yuzu/configuration/configure_graphics.ui
+++ b/src/yuzu/configuration/configure_graphics.ui
@@ -23,11 +23,31 @@
</property>
<layout class="QVBoxLayout" name="verticalLayout_2">
<item>
- <widget class="QCheckBox" name="toggle_framelimit">
- <property name="text">
- <string>Limit framerate</string>
- </property>
- </widget>
+ <layout class="QHBoxLayout" name="horizontalLayout_2">
+ <item>
+ <widget class="QCheckBox" name="toggle_frame_limit">
+ <property name="text">
+ <string>Limit Speed Percent</string>
+ </property>
+ </widget>
+ </item>
+ <item>
+ <widget class="QSpinBox" name="frame_limit">
+ <property name="suffix">
+ <string>%</string>
+ </property>
+ <property name="minimum">
+ <number>1</number>
+ </property>
+ <property name="maximum">
+ <number>9999</number>
+ </property>
+ <property name="value">
+ <number>100</number>
+ </property>
+ </widget>
+ </item>
+ </layout>
</item>
<item>
<widget class="QCheckBox" name="use_accurate_framebuffers">
diff --git a/src/yuzu/main.cpp b/src/yuzu/main.cpp
index 9fd372419..62ff7a2d7 100644
--- a/src/yuzu/main.cpp
+++ b/src/yuzu/main.cpp
@@ -237,6 +237,10 @@ void GMainWindow::InitializeHotkeys() {
Qt::ApplicationShortcut);
hotkey_registry.RegisterHotkey("Main Window", "Toggle Speed Limit", QKeySequence("CTRL+Z"),
Qt::ApplicationShortcut);
+ hotkey_registry.RegisterHotkey("Main Window", "Increase Speed Limit", QKeySequence("+"),
+ Qt::ApplicationShortcut);
+ hotkey_registry.RegisterHotkey("Main Window", "Decrease Speed Limit", QKeySequence("-"),
+ Qt::ApplicationShortcut);
hotkey_registry.LoadHotkeys();
connect(hotkey_registry.GetHotkey("Main Window", "Load File", this), &QShortcut::activated,
@@ -272,9 +276,24 @@ void GMainWindow::InitializeHotkeys() {
});
connect(hotkey_registry.GetHotkey("Main Window", "Toggle Speed Limit", this),
&QShortcut::activated, this, [&] {
- Settings::values.toggle_framelimit = !Settings::values.toggle_framelimit;
+ Settings::values.use_frame_limit = !Settings::values.use_frame_limit;
UpdateStatusBar();
});
+ constexpr u16 SPEED_LIMIT_STEP = 5;
+ connect(hotkey_registry.GetHotkey("Main Window", "Increase Speed Limit", this),
+ &QShortcut::activated, this, [&] {
+ if (Settings::values.frame_limit < 9999 - SPEED_LIMIT_STEP) {
+ Settings::values.frame_limit += SPEED_LIMIT_STEP;
+ UpdateStatusBar();
+ }
+ });
+ connect(hotkey_registry.GetHotkey("Main Window", "Decrease Speed Limit", this),
+ &QShortcut::activated, this, [&] {
+ if (Settings::values.frame_limit > SPEED_LIMIT_STEP) {
+ Settings::values.frame_limit -= SPEED_LIMIT_STEP;
+ UpdateStatusBar();
+ }
+ });
}
void GMainWindow::SetDefaultUIGeometry() {
@@ -934,7 +953,13 @@ void GMainWindow::UpdateStatusBar() {
auto results = Core::System::GetInstance().GetAndResetPerfStats();
- emu_speed_label->setText(tr("Speed: %1%").arg(results.emulation_speed * 100.0, 0, 'f', 0));
+ if (Settings::values.use_frame_limit) {
+ emu_speed_label->setText(tr("Speed: %1% / %2%")
+ .arg(results.emulation_speed * 100.0, 0, 'f', 0)
+ .arg(Settings::values.frame_limit));
+ } else {
+ emu_speed_label->setText(tr("Speed: %1%").arg(results.emulation_speed * 100.0, 0, 'f', 0));
+ }
game_fps_label->setText(tr("Game: %1 FPS").arg(results.game_fps, 0, 'f', 0));
emu_frametime_label->setText(tr("Frame: %1 ms").arg(results.frametime * 1000.0, 0, 'f', 2));
diff --git a/src/yuzu_cmd/config.cpp b/src/yuzu_cmd/config.cpp
index 9bf26717f..a95580152 100644
--- a/src/yuzu_cmd/config.cpp
+++ b/src/yuzu_cmd/config.cpp
@@ -96,8 +96,9 @@ void Config::ReadValues() {
// Renderer
Settings::values.resolution_factor =
(float)sdl2_config->GetReal("Renderer", "resolution_factor", 1.0);
- Settings::values.toggle_framelimit =
- sdl2_config->GetBoolean("Renderer", "toggle_framelimit", true);
+ Settings::values.use_frame_limit = sdl2_config->GetBoolean("Renderer", "use_frame_limit", true);
+ Settings::values.frame_limit =
+ static_cast<u16>(sdl2_config->GetInteger("Renderer", "frame_limit", 100));
Settings::values.use_accurate_framebuffers =
sdl2_config->GetBoolean("Renderer", "use_accurate_framebuffers", false);
diff --git a/src/yuzu_cmd/default_ini.h b/src/yuzu_cmd/default_ini.h
index 9a935a0d5..6ed9e7962 100644
--- a/src/yuzu_cmd/default_ini.h
+++ b/src/yuzu_cmd/default_ini.h
@@ -102,6 +102,14 @@ resolution_factor =
# 0 (default): Off, 1: On
use_vsync =
+# Turns on the frame limiter, which will limit frames output to the target game speed
+# 0: Off, 1: On (default)
+use_frame_limit =
+
+# Limits the speed of the game to run no faster than this value as a percentage of target speed
+# 1 - 9999: Speed limit as a percentage of target game speed. 100 (default)
+frame_limit =
+
# Whether to use accurate framebuffers
# 0 (default): Off (fast), 1 : On (slow)
use_accurate_framebuffers =
@@ -132,10 +140,6 @@ custom_bottom_top =
custom_bottom_right =
custom_bottom_bottom =
-# Whether to toggle frame limiter on or off.
-# 0: Off, 1 (default): On
-toggle_framelimit =
-
# Swaps the prominent screen with the other screen.
# For example, if Single Screen is chosen, setting this to 1 will display the bottom screen instead of the top screen.
# 0 (default): Top Screen is prominent, 1: Bottom Screen is prominent