settings: Add new graphics setting for use_asynchronous_gpu_emulation.

src/core/settings.h

@@ -393,6 +393,7 @@ struct Values {
     u16 frame_limit;
     bool use_disk_shader_cache;
     bool use_accurate_gpu_emulation;
+    bool use_asynchronous_gpu_emulation;
 
     float bg_red;
     float bg_green;

src/core/telemetry_session.cpp

@@ -162,6 +162,8 @@ TelemetrySession::TelemetrySession() {
              Settings::values.use_disk_shader_cache);
     AddField(Telemetry::FieldType::UserConfig, "Renderer_UseAccurateGpuEmulation",
              Settings::values.use_accurate_gpu_emulation);
+    AddField(Telemetry::FieldType::UserConfig, "Renderer_UseAsynchronousGpuEmulation",
+             Settings::values.use_asynchronous_gpu_emulation);
     AddField(Telemetry::FieldType::UserConfig, "System_UseDockedMode",
              Settings::values.use_docked_mode);
 }

src/yuzu/configuration/config.cpp

@@ -374,6 +374,8 @@ void Config::ReadValues() {
         qt_config->value("use_disk_shader_cache", false).toBool();
     Settings::values.use_accurate_gpu_emulation =
         qt_config->value("use_accurate_gpu_emulation", false).toBool();
+    Settings::values.use_asynchronous_gpu_emulation =
+        qt_config->value("use_asynchronous_gpu_emulation", false).toBool();
 
     Settings::values.bg_red = qt_config->value("bg_red", 0.0).toFloat();
     Settings::values.bg_green = qt_config->value("bg_green", 0.0).toFloat();
@@ -633,6 +635,8 @@ void Config::SaveValues() {
     qt_config->setValue("frame_limit", Settings::values.frame_limit);
     qt_config->setValue("use_disk_shader_cache", Settings::values.use_disk_shader_cache);
     qt_config->setValue("use_accurate_gpu_emulation", Settings::values.use_accurate_gpu_emulation);
+    qt_config->setValue("use_asynchronous_gpu_emulation",
+                        Settings::values.use_asynchronous_gpu_emulation);
 
     // Cast to double because Qt's written float values are not human-readable
     qt_config->setValue("bg_red", (double)Settings::values.bg_red);

src/yuzu/configuration/configure_graphics.cpp

@@ -75,6 +75,8 @@ void ConfigureGraphics::setConfiguration() {
     ui->frame_limit->setValue(Settings::values.frame_limit);
     ui->use_disk_shader_cache->setChecked(Settings::values.use_disk_shader_cache);
     ui->use_accurate_gpu_emulation->setChecked(Settings::values.use_accurate_gpu_emulation);
+    ui->use_asynchronous_gpu_emulation->setEnabled(!Core::System::GetInstance().IsPoweredOn());
+    ui->use_asynchronous_gpu_emulation->setChecked(Settings::values.use_asynchronous_gpu_emulation);
     UpdateBackgroundColorButton(QColor::fromRgbF(Settings::values.bg_red, Settings::values.bg_green,
                                                  Settings::values.bg_blue));
 }
@@ -86,6 +88,8 @@ void ConfigureGraphics::applyConfiguration() {
     Settings::values.frame_limit = ui->frame_limit->value();
     Settings::values.use_disk_shader_cache = ui->use_disk_shader_cache->isChecked();
     Settings::values.use_accurate_gpu_emulation = ui->use_accurate_gpu_emulation->isChecked();
+    Settings::values.use_asynchronous_gpu_emulation =
+        ui->use_asynchronous_gpu_emulation->isChecked();
     Settings::values.bg_red = static_cast<float>(bg_color.redF());
     Settings::values.bg_green = static_cast<float>(bg_color.greenF());
     Settings::values.bg_blue = static_cast<float>(bg_color.blueF());

src/yuzu/configuration/configure_graphics.ui

@@ -63,6 +63,13 @@
           </property>
          </widget>
         </item>
+        <item>
+         <widget class="QCheckBox" name="use_asynchronous_gpu_emulation">
+          <property name="text">
+           <string>Use asynchronous GPU emulation</string>
+          </property>
+         </widget>
+        </item>
         <item>
          <layout class="QHBoxLayout" name="horizontalLayout">
           <item>

src/yuzu_cmd/config.cpp

@@ -354,6 +354,8 @@ void Config::ReadValues() {
         sdl2_config->GetBoolean("Renderer", "use_disk_shader_cache", false);
     Settings::values.use_accurate_gpu_emulation =
         sdl2_config->GetBoolean("Renderer", "use_accurate_gpu_emulation", false);
+    Settings::values.use_asynchronous_gpu_emulation =
+        sdl2_config->GetBoolean("Renderer", "use_asynchronous_gpu_emulation", false);
 
     Settings::values.bg_red = (float)sdl2_config->GetReal("Renderer", "bg_red", 0.0);
     Settings::values.bg_green = (float)sdl2_config->GetReal("Renderer", "bg_green", 0.0);

src/yuzu_cmd/default_ini.h

@@ -118,6 +118,10 @@ use_disk_shader_cache =
 # 0 (default): Off (fast), 1 : On (slow)
 use_accurate_gpu_emulation =
 
+# Whether to use asynchronous GPU emulation
+# 0 : Off (slow), 1 (default): On (fast)
+use_asynchronous_gpu_emulation =
+
 # The clear color for the renderer. What shows up on the sides of the bottom screen.
 # Must be in range of 0.0-1.0. Defaults to 1.0 for all.
 bg_red =