no name: Mii Editor applet support (#2419)

* no name: Mii Editor applet support

* addresses gdkchan feedback

* Fix comment

* Bypass MountCounter of MiiDatabaseManager

* Fix GetSettingsPlatformRegion

* Disable Applet Menu for unsupported firmwares

4 files changed, 132 insertions, 3 deletions

diff --git a/Ryujinx.HLE/HOS/Services/Am/AppletAE/AllSystemAppletProxiesService/SystemAppletProxy/IAppletCommonFunctions.cs b/Ryujinx.HLE/HOS/Services/Am/AppletAE/AllSystemAppletProxiesService/SystemAppletProxy/IAppletCommonFunctions.cs
new file mode 100644
index 00000000..c42202b8
--- /dev/null
+++ b/Ryujinx.HLE/HOS/Services/Am/AppletAE/AllSystemAppletProxiesService/SystemAppletProxy/IAppletCommonFunctions.cs
@@ -0,0 +1,7 @@
+namespace Ryujinx.HLE.HOS.Services.Am.AppletAE.AllSystemAppletProxiesService.SystemAppletProxy
+{
+    class IAppletCommonFunctions : IpcService
+    {
+        public IAppletCommonFunctions() { }
+    }
+}
\ No newline at end of file
diff --git a/Ryujinx.HLE/HOS/Services/Am/AppletAE/AllSystemAppletProxiesService/SystemAppletProxy/ICommonStateGetter.cs b/Ryujinx.HLE/HOS/Services/Am/AppletAE/AllSystemAppletProxiesService/SystemAppletProxy/ICommonStateGetter.cs
index 9e47f05b..4c862dd6 100644
--- a/Ryujinx.HLE/HOS/Services/Am/AppletAE/AllSystemAppletProxiesService/SystemAppletProxy/ICommonStateGetter.cs
+++ b/Ryujinx.HLE/HOS/Services/Am/AppletAE/AllSystemAppletProxiesService/SystemAppletProxy/ICommonStateGetter.cs
@@ -2,6 +2,8 @@ using Ryujinx.Common.Logging;
 using Ryujinx.HLE.HOS.Ipc;
 using Ryujinx.HLE.HOS.Kernel.Common;
 using Ryujinx.HLE.HOS.Kernel.Threading;
+using Ryujinx.HLE.HOS.Services.Settings.Types;
+using Ryujinx.HLE.HOS.SystemState;
 using System;
 
 namespace Ryujinx.HLE.HOS.Services.Am.AppletAE.AllSystemAppletProxiesService.SystemAppletProxy
@@ -241,6 +243,18 @@ namespace Ryujinx.HLE.HOS.Services.Am.AppletAE.AllSystemAppletProxiesService.Sys
             return (ResultCode)_apmSystemManagerServer.GetCurrentPerformanceConfiguration(context);
         }
 
+        [CommandHipc(300)] // 9.0.0+
+        // GetSettingsPlatformRegion() -> u8
+        public ResultCode GetSettingsPlatformRegion(ServiceCtx context)
+        {
+            PlatformRegion platformRegion = context.Device.System.State.DesiredRegionCode == (uint)RegionCode.China ? PlatformRegion.China : PlatformRegion.Global;
+
+            // FIXME: Call set:sys GetPlatformRegion
+            context.ResponseData.Write((byte)platformRegion);
+
+            return ResultCode.Success;
+        }
+
         [CommandHipc(900)] // 11.0.0+
         // SetRequestExitToLibraryAppletAtExecuteNextProgramEnabled()
         public ResultCode SetRequestExitToLibraryAppletAtExecuteNextProgramEnabled(ServiceCtx context)
diff --git a/Ryujinx.HLE/HOS/Services/Am/AppletAE/AllSystemAppletProxiesService/SystemAppletProxy/IDisplayController.cs b/Ryujinx.HLE/HOS/Services/Am/AppletAE/AllSystemAppletProxiesService/SystemAppletProxy/IDisplayController.cs
index 2b04dbb5..d7816de9 100644
--- a/Ryujinx.HLE/HOS/Services/Am/AppletAE/AllSystemAppletProxiesService/SystemAppletProxy/IDisplayController.cs
+++ b/Ryujinx.HLE/HOS/Services/Am/AppletAE/AllSystemAppletProxiesService/SystemAppletProxy/IDisplayController.cs
@@ -1,7 +1,106 @@
+using Ryujinx.Common.Logging;
+using Ryujinx.HLE.HOS.Ipc;
+using Ryujinx.HLE.HOS.Kernel.Common;
+using Ryujinx.HLE.HOS.Kernel.Memory;
+using System;
+
 namespace Ryujinx.HLE.HOS.Services.Am.AppletAE.AllSystemAppletProxiesService.SystemAppletProxy
 {
     class IDisplayController : IpcService
     {
-        public IDisplayController() { }
+        private KTransferMemory _transferMem;
+        private bool            _lastApplicationCaptureBufferAcquired;
+        private bool            _callerAppletCaptureBufferAcquired;
+
+        public IDisplayController(ServiceCtx context)
+        {
+            _transferMem = context.Device.System.AppletCaptureBufferTransfer;
+        }
+
+        [CommandHipc(8)] // 2.0.0+
+        // TakeScreenShotOfOwnLayer(b8, s32)
+        public ResultCode TakeScreenShotOfOwnLayer(ServiceCtx context)
+        {
+            bool unknown1 = context.RequestData.ReadBoolean();
+            int  unknown2 = context.RequestData.ReadInt32();
+
+            Logger.Stub?.PrintStub(LogClass.ServiceAm, new { unknown1, unknown2 });
+
+            return ResultCode.Success;
+        }
+
+        [CommandHipc(11)]
+        // ReleaseLastApplicationCaptureBuffer()
+        public ResultCode ReleaseLastApplicationCaptureBuffer(ServiceCtx context)
+        {
+            if (!_lastApplicationCaptureBufferAcquired)
+            {
+                return ResultCode.BufferNotAcquired;
+            }
+
+            _lastApplicationCaptureBufferAcquired = false;
+
+            return ResultCode.Success;
+        }
+
+        [CommandHipc(15)]
+        // ReleaseCallerAppletCaptureBuffer()
+        public ResultCode ReleaseCallerAppletCaptureBuffer(ServiceCtx context)
+        {
+            if (!_callerAppletCaptureBufferAcquired)
+            {
+                return ResultCode.BufferNotAcquired;
+            }
+
+            _callerAppletCaptureBufferAcquired = false;
+
+            return ResultCode.Success;
+        }
+
+        [CommandHipc(16)]
+        // AcquireLastApplicationCaptureBufferEx() -> (b8, handle<copy>)
+        public ResultCode AcquireLastApplicationCaptureBufferEx(ServiceCtx context)
+        {
+            if (_lastApplicationCaptureBufferAcquired)
+            {
+                return ResultCode.BufferAlreadyAcquired;
+            }
+
+            if (context.Process.HandleTable.GenerateHandle(_transferMem, out int handle) != KernelResult.Success)
+            {
+                throw new InvalidOperationException("Out of handles!");
+            }
+
+            context.Response.HandleDesc = IpcHandleDesc.MakeCopy(handle);
+
+            _lastApplicationCaptureBufferAcquired = true;
+
+            context.ResponseData.Write(_lastApplicationCaptureBufferAcquired);
+
+            return ResultCode.Success;
+        }
+
+        [CommandHipc(18)]
+        // AcquireCallerAppletCaptureBufferEx() -> (b8, handle<copy>)
+        public ResultCode AcquireCallerAppletCaptureBufferEx(ServiceCtx context)
+        {
+            if (_callerAppletCaptureBufferAcquired)
+            {
+                return ResultCode.BufferAlreadyAcquired;
+            }
+
+            if (context.Process.HandleTable.GenerateHandle(_transferMem, out int handle) != KernelResult.Success)
+            {
+                throw new InvalidOperationException("Out of handles!");
+            }
+
+            context.Response.HandleDesc = IpcHandleDesc.MakeCopy(handle);
+
+            _callerAppletCaptureBufferAcquired = true;
+
+            context.ResponseData.Write(_callerAppletCaptureBufferAcquired);
+
+            return ResultCode.Success;
+        }
     }
 }
\ No newline at end of file
diff --git a/Ryujinx.HLE/HOS/Services/Am/AppletAE/AllSystemAppletProxiesService/SystemAppletProxy/ISelfController.cs b/Ryujinx.HLE/HOS/Services/Am/AppletAE/AllSystemAppletProxiesService/SystemAppletProxy/ISelfController.cs
index e9af55a0..0ecbd4a0 100644
--- a/Ryujinx.HLE/HOS/Services/Am/AppletAE/AllSystemAppletProxiesService/SystemAppletProxy/ISelfController.cs
+++ b/Ryujinx.HLE/HOS/Services/Am/AppletAE/AllSystemAppletProxiesService/SystemAppletProxy/ISelfController.cs
@@ -35,9 +35,9 @@ namespace Ryujinx.HLE.HOS.Services.Am.AppletAE.AllSystemAppletProxiesService.Sys
         private uint _screenShotImageOrientation = 0;
         private uint _idleTimeDetectionExtension = 0;
 
-        public ISelfController(Horizon system, long pid)
+        public ISelfController(ServiceCtx context, long pid)
         {
-            _libraryAppletLaunchableEvent = new KEvent(system.KernelContext);
+            _libraryAppletLaunchableEvent = new KEvent(context.Device.System.KernelContext);
             _pid = pid;
         }
 
@@ -225,6 +225,15 @@ namespace Ryujinx.HLE.HOS.Services.Am.AppletAE.AllSystemAppletProxiesService.Sys
             return ResultCode.Success;
         }
 
+        [CommandHipc(41)] // 4.0.0+
+        // IsSystemBufferSharingEnabled()
+        public ResultCode IsSystemBufferSharingEnabled(ServiceCtx context)
+        {
+            // NOTE: Service checks a private field and return an error if the SystemBufferSharing is disabled.
+
+            return ResultCode.NotImplemented;
+        }
+
         [CommandHipc(44)] // 10.0.0+
         // CreateManagedDisplaySeparableLayer() -> (u64, u64)
         public ResultCode CreateManagedDisplaySeparableLayer(ServiceCtx context)