More correct, still doesn't work.

OpenRA.Gl/GraphicsDevice.cs

@@ -283,6 +283,7 @@ namespace OpenRA.GlRenderer
 
 		public IVertexBuffer<Vertex> CreateVertexBuffer(int size) { return new VertexBuffer<Vertex>(this, size); }
 		public IIndexBuffer CreateIndexBuffer(int size) { return new IndexBuffer(this, size); }
+		public ITexture CreateTexture() { return new Texture(this); }
 		public ITexture CreateTexture(Bitmap bitmap) { return new Texture(this, bitmap); }
 		public IShader CreateShader(Stream stream) { return new Shader(this, stream); }
 	}

OpenRA.Gl/Texture.cs

@@ -20,7 +20,13 @@ namespace OpenRA.GlRenderer
 	public class Texture : ITexture
 	{
 		internal int texture;
-
+		
+		public Texture(GraphicsDevice dev)
+		{
+			Gl.glGenTextures(1, out texture);
+			GraphicsDevice.CheckGlError();
+		}
+		
 		public Texture(GraphicsDevice dev, Bitmap bitmap)
 		{
 			Gl.glGenTextures(1, out texture);