Make the underlying types of TextureChannel and BlendMode enums a byte to save memory.

OpenRA.Game/Graphics/IGraphicsDevice.cs

@@ -32,7 +32,7 @@ namespace OpenRA
 		IGraphicsDevice Create(Size size, WindowMode windowMode);
 	}
 
-	public enum BlendMode { None, Alpha, Additive, Subtractive, Multiply }
+	public enum BlendMode : byte { None, Alpha, Additive, Subtractive, Multiply }
 
 	public interface IGraphicsDevice : IDisposable
 	{

OpenRA.Game/Graphics/Sprite.cs

@@ -47,7 +47,7 @@ namespace OpenRA.Graphics
 		}
 	}
 
-	public enum TextureChannel
+	public enum TextureChannel : byte
 	{
 		Red = 0,
 		Green = 1,