/// <summary>
/// Create and return a reference to a child RenderingWindow object that
/// will render back onto this RenderingSurface when it's draw member
/// function is called.
///
/// The RenderingWindow returned is initially owned by the RenderingSurface
/// that created it.
/// </summary>
/// <param name="target">
/// TextureTarget object that will receive rendered output from the
/// RenderingWindow being creatd.
/// </param>
/// <returns>
/// Reference to a RenderingWindow object.
/// </returns>
/// <remarks>
/// Since RenderingWindow is a RenderingSurface, the same note from the
/// constructor applies here, and that is the passed in TextureTarget
/// remains under the ownership of whichever part of the system created
/// it.
/// </remarks>
public virtual RenderingWindow CreateRenderingWindow(ITextureTarget target)
{
var w = new RenderingWindow(target, this);
AttachWindow(w);
return(w);
}
public override void DestroyTextureTarget(ITextureTarget target)
{
ThrowIfDisposed();
if (d_textureTargets.Contains(target))
{
d_textureTargets.Remove(target);
target.Dispose();
}
}
/// <summary>
/// Constructor for RenderingWindow objects.
/// </summary>
/// <param name="target">
/// The TextureTarget based object that will be used as the target for
/// content rendering done by the RenderingWindow.
/// </param>
/// <param name="owner">
/// The RenderingSurface object that will be our initial owner. This
/// RenderingSurface is also the target where our cached imagery will be
/// rendered back to.
/// </param>
/// <remarks>
/// The TextureTarget \a target remains under it's original ownership, and
/// the RenderingSurface \a owner actually owns \e this object.
/// </remarks>
public RenderingWindow(ITextureTarget target, RenderingSurface owner)
: base(target)
{
d_renderer = System.GetSingleton().GetRenderer();
d_textarget = target;
d_owner = owner;
d_geometry = d_renderer.CreateGeometryBufferTextured();
d_geometryValid = false;
d_position = Lunatics.Mathematics.Vector2.Zero;
d_size = Sizef.Zero;
d_rotation = Lunatics.Mathematics.Quaternion.Identity;
d_geometry.SetBlendMode(BlendMode.RttPremultiplied);
}
/// <summary> /// Function that cleans up TextureTarget objects created with the /// createTextureTarget function. /// </summary> /// <param name="target"> /// A pointer to a TextureTarget object that was previously returned from a /// call to createTextureTarget. /// </param> public abstract void DestroyTextureTarget(ITextureTarget target);