More Vi/NvFlinger/NvDrv stubs, allow paths starting with //, do not allow paths that don't start with at least a /, increase map region size

Ryujinx.Core/OsHle/MemoryRegions.cs

@@ -7,7 +7,7 @@ namespace Ryujinx.Core.OsHle
         public const long AddrSpaceStart = 0x08000000;
 
         public const long MapRegionAddress = 0x10000000;
-        public const long MapRegionSize    = 0x10000000;
+        public const long MapRegionSize    = 0x20000000;
 
         public const long MainStackSize = 0x100000;
 

Ryujinx.Core/OsHle/Services/Nv/ServiceNvDrv.cs

@@ -38,6 +38,7 @@ namespace Ryujinx.Core.OsHle.IpcServices.NvServices
             { ("/dev/nvmap",           0x0101), NvMapIocCreate                    },
             { ("/dev/nvmap",           0x0103), NvMapIocFromId                    },
             { ("/dev/nvmap",           0x0104), NvMapIocAlloc                     },
+            { ("/dev/nvmap",           0x0105), NvMapIocFree                      },
             { ("/dev/nvmap",           0x0109), NvMapIocParam                     },
             { ("/dev/nvmap",           0x010e), NvMapIocGetId                     },
         };
@@ -585,6 +586,25 @@ namespace Ryujinx.Core.OsHle.IpcServices.NvServices
             return 0;
         }
 
+        private static long NvMapIocFree(ServiceCtx Context)
+        {
+            long Position = Context.Request.GetSendBuffPtr();
+
+            MemReader Reader = new MemReader(Context.Memory, Position);
+            MemWriter Writer = new MemWriter(Context.Memory, Position + 8);
+
+            int  Handle  =       Reader.ReadInt32();
+            int  Padding =       Reader.ReadInt32();
+
+            HNvMap NvMap = Context.Ns.Os.Handles.GetData<HNvMap>(Handle);
+
+            Writer.WriteInt64(0);
+            Writer.WriteInt32(NvMap.Size);
+            Writer.WriteInt32(0);
+
+            return 0;
+        }
+
         private static long NvMapIocParam(ServiceCtx Context)
         {
             long Position = Context.Request.GetSendBuffPtr();

Ryujinx.Core/OsHle/Services/Vi/IApplicationDisplayService.cs

@@ -26,6 +26,7 @@ namespace Ryujinx.Core.OsHle.IpcServices.Vi
                 { 1010, OpenDisplay                          },
                 { 1020, CloseDisplay                         },
                 { 2020, OpenLayer                            },
+                { 2021, CloseLayer                           },
                 { 2030, CreateStrayLayer                     },
                 { 2101, SetLayerScalingMode                  },
                 { 5202, GetDisplayVSyncEvent                 }
@@ -96,6 +97,11 @@ namespace Ryujinx.Core.OsHle.IpcServices.Vi
             return 0;
         }
 
+        public long CloseLayer(ServiceCtx Context)
+        {
+            return 0;
+        }
+
         public long CreateStrayLayer(ServiceCtx Context)
         {
             long LayerFlags = Context.RequestData.ReadInt64();

Ryujinx.Core/OsHle/Services/Vi/IManagerDisplayService.cs

@@ -14,6 +14,7 @@ namespace Ryujinx.Core.OsHle.IpcServices.Vi
             m_Commands = new Dictionary<int, ServiceProcessRequest>()
             {
                 { 2010, CreateManagedLayer  },
+                { 2011, DestroyManagedLayer },
                 { 6000, AddToLayerStack     }
             };
         }
@@ -25,6 +26,11 @@ namespace Ryujinx.Core.OsHle.IpcServices.Vi
             return 0;
         }
 
+        public long DestroyManagedLayer(ServiceCtx Context)
+        {
+            return 0;
+        }
+
         public static long AddToLayerStack(ServiceCtx Context)
         {
             return 0;

Ryujinx.Core/OsHle/Services/Vi/NvFlinger.cs

@@ -70,6 +70,7 @@ namespace Ryujinx.Core.OsHle.IpcServices.Android
                 { ("android.gui.IGraphicBufferProducer", 0x8), GbpCancelBuffer   },
                 { ("android.gui.IGraphicBufferProducer", 0x9), GbpQuery          },
                 { ("android.gui.IGraphicBufferProducer", 0xa), GbpConnect        },
+                { ("android.gui.IGraphicBufferProducer", 0xb), GbpDisconnect     },
                 { ("android.gui.IGraphicBufferProducer", 0xe), GbpPreallocBuffer }
             };
 
@@ -212,6 +213,11 @@ namespace Ryujinx.Core.OsHle.IpcServices.Android
             return MakeReplyParcel(Context, 1280, 720, 0, 0, 0);
         }
 
+        private long GbpDisconnect(ServiceCtx Context, BinaryReader ParcelReader)
+        {
+            return MakeReplyParcel(Context, 0);
+        }
+
         private long GbpPreallocBuffer(ServiceCtx Context, BinaryReader ParcelReader)
         {
             int Slot = ParcelReader.ReadInt32();

Ryujinx.Core/VirtualFs.cs

@@ -18,10 +18,18 @@ namespace Ryujinx.Core
 
         public string GetFullPath(string BasePath, string FileName)
         {
-            if (FileName.StartsWith('/'))
+            if (FileName.StartsWith("//"))
+            {
+                FileName = FileName.Substring(2);
+            }
+            else if (FileName.StartsWith('/'))
             {
                 FileName = FileName.Substring(1);
             }
+            else
+            {
+                return null;
+            }
 
             string FullPath = Path.GetFullPath(Path.Combine(BasePath, FileName));