Move solution and projects to src

src/Ryujinx.HLE/HOS/Services/SurfaceFlinger/BufferSlotArray.cs

@@ -0,0 +1,28 @@
+namespace Ryujinx.HLE.HOS.Services.SurfaceFlinger
+{
+    class BufferSlotArray
+    {
+        // TODO: move to BufferQueue
+        public const int NumBufferSlots     = 0x40;
+        public const int MaxAcquiredBuffers = NumBufferSlots - 2;
+        public const int InvalidBufferSlot  = -1;
+
+        private BufferSlot[] _raw = new BufferSlot[NumBufferSlots];
+
+        public BufferSlotArray()
+        {
+            for (int i = 0; i < _raw.Length; i++)
+            {
+                _raw[i] = new BufferSlot();
+            }
+        }
+
+        public BufferSlot this[int index]
+        {
+            get => _raw[index];
+            set => _raw[index] = value;
+        }
+
+        public int Length => NumBufferSlots;
+    }
+}