lbl: Migrate service to Horizon (#5628)

* lbl: Migrate service to Horizon

* Fix formatting

* Addresses gdkchan's feedback

* Fix comments

src/Ryujinx.Horizon/Lbl/Ipc/LblController.cs

@@ -0,0 +1,130 @@
+using Ryujinx.Horizon.Common;
+using Ryujinx.Horizon.Sdk.Lbl;
+using Ryujinx.Horizon.Sdk.Sf;
+
+namespace Ryujinx.Horizon.Lbl.Ipc
+{
+    partial class LblController : ILblController
+    {
+        private bool _vrModeEnabled;
+        private float _currentBrightnessSettingForVrMode;
+
+        [CmifCommand(17)]
+        public Result SetBrightnessReflectionDelayLevel(float unknown0, float unknown1)
+        {
+            // NOTE: Stubbed in system module.
+
+            return Result.Success;
+        }
+
+        [CmifCommand(18)]
+        public Result GetBrightnessReflectionDelayLevel(out float unknown1, float unknown0)
+        {
+            // NOTE: Stubbed in system module.
+
+            unknown1 = 0.0f;
+
+            return Result.Success;
+        }
+
+        [CmifCommand(19)]
+        public Result SetCurrentBrightnessMapping(float unknown0, float unknown1, float unknown2)
+        {
+            // NOTE: Stubbed in system module.
+
+            return Result.Success;
+        }
+
+        [CmifCommand(20)]
+        public Result GetCurrentBrightnessMapping(out float unknown0, out float unknown1, out float unknown2)
+        {
+            // NOTE: Stubbed in system module.
+
+            unknown0 = 0.0f;
+            unknown1 = 0.0f;
+            unknown2 = 0.0f;
+
+            return Result.Success;
+        }
+
+        [CmifCommand(21)]
+        public Result SetCurrentAmbientLightSensorMapping(float unknown0, float unknown1, float unknown2)
+        {
+            // NOTE: Stubbed in system module.
+
+            return Result.Success;
+        }
+
+        [CmifCommand(22)]
+        public Result GetCurrentAmbientLightSensorMapping(out float unknown0, out float unknown1, out float unknown2)
+        {
+            // NOTE: Stubbed in system module.
+
+            unknown0 = 0.0f;
+            unknown1 = 0.0f;
+            unknown2 = 0.0f;
+
+            return Result.Success;
+        }
+
+        [CmifCommand(24)]
+        public Result SetCurrentBrightnessSettingForVrMode(float currentBrightnessSettingForVrMode)
+        {
+            if (float.IsNaN(currentBrightnessSettingForVrMode) || float.IsInfinity(currentBrightnessSettingForVrMode))
+            {
+                _currentBrightnessSettingForVrMode = 0.0f;
+            }
+            else
+            {
+                _currentBrightnessSettingForVrMode = currentBrightnessSettingForVrMode;
+            }
+
+            return Result.Success;
+        }
+
+        [CmifCommand(25)]
+        public Result GetCurrentBrightnessSettingForVrMode(out float currentBrightnessSettingForVrMode)
+        {
+            if (float.IsNaN(_currentBrightnessSettingForVrMode) || float.IsInfinity(_currentBrightnessSettingForVrMode))
+            {
+                currentBrightnessSettingForVrMode = 0.0f;
+            }
+            else
+            {
+                currentBrightnessSettingForVrMode = _currentBrightnessSettingForVrMode;
+            }
+
+            return Result.Success;
+        }
+
+        [CmifCommand(26)]
+        public Result EnableVrMode()
+        {
+            _vrModeEnabled = true;
+
+            // NOTE: The service checks _vrModeEnabled field value in a thread and then changes the screen brightness.
+            //       Since we don't support that, it's fine to do nothing.
+
+            return Result.Success;
+        }
+
+        [CmifCommand(27)]
+        public Result DisableVrMode()
+        {
+            _vrModeEnabled = false;
+
+            // NOTE: The service checks _vrModeEnabled field value in a thread and then changes the screen brightness.
+            //       Since we don't support that, it's fine to do nothing.
+
+            return Result.Success;
+        }
+
+        [CmifCommand(28)]
+        public Result IsVrModeEnabled(out bool vrModeEnabled)
+        {
+            vrModeEnabled = _vrModeEnabled;
+
+            return Result.Success;
+        }
+    }
+}