Some small sync primitive fixes, logging fixes, started to implement the 2D engine on the GPU, fixed DrawArrays, implemented a few more shader instructions, made a start on nvdrv refactor, etc...

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

@@ -44,6 +44,7 @@ namespace Ryujinx.Core.OsHle.Services.Nv
             {
                 { ("/dev/nvhost-as-gpu",   0x4101), NvGpuAsIoctlBindChannel           },
                 { ("/dev/nvhost-as-gpu",   0x4102), NvGpuAsIoctlAllocSpace            },
+                { ("/dev/nvhost-as-gpu",   0x4105), NvGpuAsIoctlUnmap                 },
                 { ("/dev/nvhost-as-gpu",   0x4106), NvGpuAsIoctlMapBufferEx           },
                 { ("/dev/nvhost-as-gpu",   0x4108), NvGpuAsIoctlGetVaRegions          },
                 { ("/dev/nvhost-as-gpu",   0x4109), NvGpuAsIoctlInitializeEx          },
@@ -201,6 +202,19 @@ namespace Ryujinx.Core.OsHle.Services.Nv
             return 0;
         }
 
+        private long NvGpuAsIoctlUnmap(ServiceCtx Context)
+        {
+            long Position = Context.Request.GetSendBuffPtr();
+
+            MemReader Reader = new MemReader(Context.Memory, Position);
+
+            long Offset = Reader.ReadInt64();
+
+            Context.Ns.Gpu.MemoryMgr.Unmap(Offset, 0x10000);
+
+            return 0;
+        }
+
         private long NvGpuAsIoctlMapBufferEx(ServiceCtx Context)
         {
             long Position = Context.Request.GetSendBuffPtr();
@@ -319,6 +333,19 @@ namespace Ryujinx.Core.OsHle.Services.Nv
                 int Padding = Reader.ReadInt32();
                 int Offset  = Reader.ReadInt32();
                 int Pages   = Reader.ReadInt32();
+
+                NvMap Map = NvMaps.GetData<NvMap>(Context.Process, Handle);
+
+                if (Map == null)
+                {
+                    Context.Ns.Log.PrintWarning(LogClass.ServiceNv, $"invalid NvMap Handle {Handle}!");
+
+                    return -1; //TODO: Corrent error code.
+                }
+
+                Context.Ns.Gpu.MapMemory(Map.CpuAddress,
+                    (long)(uint)Offset << 16,
+                    (long)(uint)Pages  << 16);
             }
 
             //TODO

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

@@ -0,0 +1,31 @@
+using System.Collections.Concurrent;
+
+namespace Ryujinx.Core.OsHle.Services.Nv
+{
+    class NvChNvMap
+    {
+        private static ConcurrentDictionary<Process, IdDictionary> NvMaps;
+
+        public void Create(ServiceCtx Context)
+        {
+            long InputPosition  = Context.Request.GetBufferType0x21Position();
+            long OutputPosition = Context.Request.GetBufferType0x22Position();
+
+            int Size = Context.Memory.ReadInt32(InputPosition);
+
+            int Handle = AddNvMap(Context, new NvMap(Size));
+
+            Context.Memory.WriteInt32(OutputPosition, Handle);
+        }
+
+        private int AddNvMap(ServiceCtx Context, NvMap Map)
+        {
+            return NvMaps[Context.Process].Add(Map);
+        }
+
+        public NvMap GetNvMap(ServiceCtx Context, int Handle)
+        {
+            return NvMaps[Context.Process].GetData<NvMap>(Handle);
+        }
+    }
+}

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

@@ -9,5 +9,12 @@ namespace Ryujinx.Core.OsHle.Services.Nv
         public int  Kind;
         public long CpuAddress;
         public long GpuAddress;
+
+        public NvMap() { }
+
+        public NvMap(int Size)
+        {
+            this.Size = Size;
+        }
     }
 }