// Create the texture in OpenGL and use the textureHandle from now on.
			GL.GenTextures(1, out textureHandle);

			// Create the texture in OpenGL and use the textureHandle from now on.
			// Note: If the texture was already created before and not disposed, just
			// use the existing handle, this allows overwriting the texture data.
			if (textureHandle == MathHelper.InvalidIndex)
			{
				GL.GenTextures(1, out textureHandle);
			}

		#region UpdateTextureDynamically
		/// <summary>
		/// Simple test that shows how to update rgb texture data dynamically.
		/// </summary>
		[Test]
		public static void UpdateTextureDynamically()
		{
			// Define a 8x8 texture with some colors.
			Color[] textureColors = new[]
			{
				Color.Red, Color.Green, Color.Yellow, Color.Blue,
				Color.Black, Color.White, Color.Brown, Color.Orange,
				Color.Green, Color.Yellow, Color.Blue, Color.Black,
				Color.White, Color.Brown, Color.Orange, Color.Red,
				Color.Yellow, Color.Blue, Color.Black, Color.White,
				Color.Brown, Color.Orange, Color.Red, Color.Green,
				Color.Blue, Color.Black, Color.White, Color.Brown,
				Color.Orange, Color.Red, Color.Green, Color.Yellow,
				Color.Black, Color.White, Color.Brown, Color.Orange,
				Color.Red, Color.Green, Color.Yellow, Color.Blue,
				Color.White, Color.Brown, Color.Orange, Color.Red,
				Color.Green, Color.Yellow, Color.Blue, Color.Black,
				Color.Brown, Color.Orange, Color.Red, Color.Green,
				Color.Yellow, Color.Blue, Color.Black, Color.White,
				Color.Orange, Color.Red, Color.Green, Color.Yellow,
				Color.Blue, Color.Black, Color.White, Color.Brown,
			};
			// Convert the colors to rgb data and create texture out of it plus
			// pass it into a material for rendering.
			Texture dynamicTexture = Texture.Create(
				Texture.ConvertColorToRgb(textureColors), new Size(8, 8),
				BlendMode.Opaque, false);
			Material2D dynamicMaterial = new Material2D(dynamicTexture);

			// Add an offset to the textureColors array to keep changing texture data
			int textureColorOffset = 0;
			Color[] rotatedTextureColors = new Color[textureColors.Length];

			Application.Start(delegate
			{
				// Update the texture with new data each tick
				for (int num = 0; num < rotatedTextureColors.Length; num++)
				{
					rotatedTextureColors[num] =
						textureColors[(num + textureColorOffset) % textureColors.Length];
				}
				textureColorOffset++;
				dynamicTexture.UpdateTextureData(
					Texture.ConvertColorToRgb(rotatedTextureColors));

				// And show the material with the dynamic texture normally
				dynamicMaterial.Draw(new Rectangle(0.2f, 0.2f, 0.6f, 0.6f));
			});
		}
		#endregion

		#region UpdateTextureData
		/// <summary>
		/// Update the texture data with a given RGB or RGBA byte array. Unlike
		/// Create and FillTextureData this method is called after the texture has
		/// been created and should only be used to update it without changing the
		/// width, height or texture format.
		/// </summary>
		public void UpdateTextureData(byte[] newImageData)
		{
			// Currently only uncompressed rgb or rgba textures can be updated.
			if (extensionUsed !=
				(HasAlpha
					? "rgba"
					: "rgb"))
			{
				throw new NotSupportedException(
					"Sorry, the extension '" + extensionUsed + "' for the loaded " +
					"texture '" + Name + "' currently is not supported in this method " +
					"to update the texture data. Please create or load the texture " +
					"from rgb or rgba data!");
			}

			// Make sure the texture size fits the data.
			int numberOfPixels =
				newImageData.Length /
				(HasAlpha
				 	? 4
				 	: 3);
			int expectedPixels = (int)Size.Width * (int)Size.Height;
			if (expectedPixels != numberOfPixels)
			{
				throw new ArgumentException(
					"Sorry, unable to update texture data. Only '" + numberOfPixels +
					"' pixels were submitted, but the texture size is '" + Size +
					"', expecting '" + expectedPixels + "' pixels!");
			}

			// And finally update the texture data like for the first upload.
			FillTextureData((int)Size.Width, (int)Size.Height, newImageData,
				extensionUsed);
		}
		#endregion

			Texture dynamicTexture = Texture.Create(
				new byte[8*8*3], new Size(8, 8), BlendMode.Opaque, false);