/// <summary>
/// Creates a new Cube <see cref="Texture" /> from a initial data..
/// </summary>
/// <typeparam name="T">Type of a pixel data</typeparam>
/// <param name="device">The <see cref="GraphicsDevice" />.</param>
/// <param name="size">The size (in pixels) of the top-level faces of the cube texture.</param>
/// <param name="format">Describes the format to use.</param>
/// <param name="textureData">an array of 6 textures. See remarks</param>
/// <param name="textureFlags">The texture flags.</param>
/// <param name="usage">The usage.</param>
/// <returns>A new instance of Cube <see cref="Texture" /> class.</returns>
/// <exception cref="System.ArgumentException">Invalid texture datas. First dimension must be equal to 6;textureData</exception>
/// <remarks>The first dimension of mipMapTextures describes the number of array (TextureCube Array), the second is the texture data for a particular cube face.</remarks>
public unsafe static Texture NewCube <T>(GraphicsDevice device, int size, PixelFormat format, T[][] textureData, TextureFlags textureFlags = TextureFlags.ShaderResource, GraphicsResourceUsage usage = GraphicsResourceUsage.Immutable) where T : struct
{
if (textureData.Length != 6)
{
throw new ArgumentException("Invalid texture datas. First dimension must be equal to 6", "textureData");
}
var dataBoxes = new DataBox[6];
dataBoxes[0] = GetDataBox(format, size, size, 1, textureData[0], (IntPtr)Interop.Fixed(textureData[0]));
dataBoxes[1] = GetDataBox(format, size, size, 1, textureData[0], (IntPtr)Interop.Fixed(textureData[1]));
dataBoxes[2] = GetDataBox(format, size, size, 1, textureData[0], (IntPtr)Interop.Fixed(textureData[2]));
dataBoxes[3] = GetDataBox(format, size, size, 1, textureData[0], (IntPtr)Interop.Fixed(textureData[3]));
dataBoxes[4] = GetDataBox(format, size, size, 1, textureData[0], (IntPtr)Interop.Fixed(textureData[4]));
dataBoxes[5] = GetDataBox(format, size, size, 1, textureData[0], (IntPtr)Interop.Fixed(textureData[5]));
return(new Texture(device).InitializeFrom(TextureDescription.NewCube(size, format, textureFlags, usage), dataBoxes));
}
internal void UpdateSubresource(GraphicsResource resource, int subResourceIndex, DataBox databox, ResourceRegion region)
{
throw new NotImplementedException();
}
internal unsafe void UpdateSubresource(GraphicsResource resource, int subResourceIndex, DataBox databox, ResourceRegion region)
{
if (resource == null)
{
throw new ArgumentNullException("resource");
}
NativeDeviceContext.UpdateSubresource(*(SharpDX.DataBox *)Interop.Cast(ref databox), resource.NativeResource, subResourceIndex, *(SharpDX.Direct3D11.ResourceRegion *)Interop.Cast(ref region));
}
