1 files changed, 19 insertions, 0 deletions
diff --git a/Ryujinx.Graphics.Gpu/State/ViewportTransform.cs b/Ryujinx.Graphics.Gpu/State/ViewportTransform.cs
index 335b039c..c7db311d 100644
--- a/Ryujinx.Graphics.Gpu/State/ViewportTransform.cs
+++ b/Ryujinx.Graphics.Gpu/State/ViewportTransform.cs
@@ -2,6 +2,9 @@ using Ryujinx.Graphics.GAL;
 
 namespace Ryujinx.Graphics.Gpu.State
 {
+    /// <summary>
+    /// Viewport transform parameters, for viewport transformation.
+    /// </summary>
     struct ViewportTransform
     {
         public float ScaleX;
@@ -13,21 +16,37 @@ namespace Ryujinx.Graphics.Gpu.State
         public uint  Swizzle;
         public uint  SubpixelPrecisionBias;
 
+        /// <summary>
+        /// Unpacks viewport swizzle of the position X component.
+        /// </summary>
+        /// <returns>Swizzle enum value</returns>
         public ViewportSwizzle UnpackSwizzleX()
         {
             return (ViewportSwizzle)(Swizzle & 7);
         }
 
+        /// <summary>
+        /// Unpacks viewport swizzle of the position Y component.
+        /// </summary>
+        /// <returns>Swizzle enum value</returns>
         public ViewportSwizzle UnpackSwizzleY()
         {
             return (ViewportSwizzle)((Swizzle >> 4) & 7);
         }
 
+        /// <summary>
+        /// Unpacks viewport swizzle of the position Z component.
+        /// </summary>
+        /// <returns>Swizzle enum value</returns>
         public ViewportSwizzle UnpackSwizzleZ()
         {
             return (ViewportSwizzle)((Swizzle >> 8) & 7);
         }
 
+        /// <summary>
+        /// Unpacks viewport swizzle of the position W component.
+        /// </summary>
+        /// <returns>Swizzle enum value</returns>
         public ViewportSwizzle UnpackSwizzleW()
         {
             return (ViewportSwizzle)((Swizzle >> 12) & 7);