Add XML documentation to Ryujinx.Graphics.Gpu.State

Ryujinx.Graphics.Gpu/State/VertexAttribState.cs

@@ -1,19 +1,34 @@
 namespace Ryujinx.Graphics.Gpu.State
 {
+    /// <summary>
+    /// Vertex buffer attribute state.
+    /// </summary>
     struct VertexAttribState
     {
         public uint Attribute;
 
+        /// <summary>
+        /// Unpacks the index of the vertex buffer this attribute belongs to.
+        /// </summary>
+        /// <returns>Vertex buffer index</returns>
         public int UnpackBufferIndex()
         {
             return (int)(Attribute & 0x1f);
         }
 
+        /// <summary>
+        /// Unpacks the offset, in bytes, of the attribute on the vertex buffer.
+        /// </summary>
+        /// <returns>Attribute offset in bytes</returns>
         public int UnpackOffset()
         {
             return (int)((Attribute >> 7) & 0x3fff);
         }
 
+        /// <summary>
+        /// Unpacks the Maxwell attribute format integer.
+        /// </summary>
+        /// <returns>Attribute format integer</returns>
         public uint UnpackFormat()
         {
             return Attribute & 0x3fe00000;