Initial work

Ryujinx.Graphics.GAL/InputAssembler/VertexAttribDescriptor.cs

@@ -0,0 +1,17 @@
+namespace Ryujinx.Graphics.GAL.InputAssembler
+{
+    public struct VertexAttribDescriptor
+    {
+        public int BufferIndex  { get; }
+        public int Offset       { get; }
+
+        public Format Format { get; }
+
+        public VertexAttribDescriptor(int bufferIndex, int offset, Format format)
+        {
+            BufferIndex = bufferIndex;
+            Offset      = offset;
+            Format      = format;
+        }
+    }
+}

Ryujinx.Graphics.GAL/InputAssembler/VertexBufferDescriptor.cs

@@ -0,0 +1,17 @@
+namespace Ryujinx.Graphics.GAL.InputAssembler
+{
+    public struct VertexBufferDescriptor
+    {
+        public BufferRange Buffer { get; }
+
+        public int Stride  { get; }
+        public int Divisor { get; }
+
+        public VertexBufferDescriptor(BufferRange buffer, int stride, int divisor)
+        {
+            Buffer  = buffer;
+            Stride  = stride;
+            Divisor = divisor;
+        }
+    }
+}