Initial work

1 files changed, 21 insertions, 0 deletions

diff --git a/Ryujinx.Graphics.OpenGL/Converters/IndexTypeConverter.cs b/Ryujinx.Graphics.OpenGL/Converters/IndexTypeConverter.cs
new file mode 100644
index 00000000..d3100b98
--- /dev/null
+++ b/Ryujinx.Graphics.OpenGL/Converters/IndexTypeConverter.cs
@@ -0,0 +1,21 @@
+using OpenTK.Graphics.OpenGL;
+using Ryujinx.Graphics.GAL;
+using System;
+
+namespace Ryujinx.Graphics.OpenGL
+{
+    static class IndexTypeConverter
+    {
+        public static DrawElementsType Convert(this IndexType type)
+        {
+            switch (type)
+            {
+                case IndexType.UByte:  return DrawElementsType.UnsignedByte;
+                case IndexType.UShort: return DrawElementsType.UnsignedShort;
+                case IndexType.UInt:   return DrawElementsType.UnsignedInt;
+            }
+
+            throw new ArgumentException($"Invalid index type \"{type}\".");
+        }
+    }
+}