From a79b39b91347816ea14677b58af738b70df03e9c Mon Sep 17 00:00:00 2001
From: Ac_K <Acoustik666@gmail.com>
Date: Mon, 28 Jun 2021 20:54:45 +0200
Subject: 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
---
 .../SystemAppletProxy/IDisplayController.cs        | 101 ++++++++++++++++++++-
 1 file changed, 100 insertions(+), 1 deletion(-)

(limited to 'Ryujinx.HLE/HOS/Services/Am/AppletAE/AllSystemAppletProxiesService/SystemAppletProxy/IDisplayController.cs')

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
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