///<summary>
/// Create an instance of this technique.
///</summary>
public virtual CompositorInstance CreateInstance(CompositorChain chain)
{
CompositorInstance mew = new CompositorInstance(parent, this, chain);
instances.Add(mew);
return(mew);
}
public CompositorInstance(Compositor filter, CompositionTechnique technique, CompositorChain chain)
{
this.compositor = filter;
this.technique = technique;
this.chain = chain;
this.enabled = false;
localTextures = new Dictionary <string, Texture>();
renderSystemOperations = new List <QueueIDAndOperation>();
listeners = new List <CompositorInstanceListener>();
}
///<summary>
/// Add a compositor to a viewport. By default, it is added to end of the chain,
/// after the other compositors.
///</summary>
///<param name="vp">Viewport to modify</param>
///<param name="compositor">The name of the compositor to apply</param>
///<param name="addPosition">At which position to add, defaults to the end (-1).</param>
///<returns>pointer to instance, or null if it failed.</returns>
public CompositorInstance AddCompositor(Viewport vp, string compositor, int addPosition)
{
Compositor comp = (Compositor)GetByName(compositor);
if (comp == null)
{
return(null);
}
CompositorChain chain = GetCompositorChain(vp);
return(chain.AddCompositor(comp, addPosition == -1 ? CompositorChain.LastCompositor : addPosition));
}
///<summary>
/// Remove a compositor from a viewport
///</summary>
public void RemoveCompositor(Viewport vp, string compositor)
{
CompositorChain chain = GetCompositorChain(vp);
for (int i = 0; i < chain.Instances.Count; i++)
{
CompositorInstance instance = chain.GetCompositor(i);
if (instance.Compositor.Name == compositor)
{
chain.RemoveCompositor(i);
break;
}
}
}
///<summary>
/// Set the state of a compositor on a viewport to enabled or disabled.
/// Disabling a compositor stops it from rendering but does not free any resources.
/// This can be more efficient than using removeCompositor and addCompositor in cases
/// the filter is switched on and off a lot.
///</summary>
public void SetCompositorEnabled(Viewport vp, string compositor, bool value)
{
CompositorChain chain = GetCompositorChain(vp);
for (int i = 0; i < chain.Instances.Count; i++)
{
CompositorInstance instance = chain.GetCompositor(i);
if (instance.Compositor.Name == compositor)
{
chain.SetCompositorEnabled(i, value);
break;
}
}
}
/// <summary>
/// another overload to remove a compositor instance from its chain
/// </summary>
/// <param name="remInstance"></param>
public void RemoveCompositor(CompositorInstance remInstance)
{
CompositorChain chain = remInstance.Chain;
for (int i = 0; i < chain.Instances.Count; i++)
{
CompositorInstance instance = chain.GetCompositor(i);
if (instance == remInstance)
{
chain.RemoveCompositor(i);
break;
}
}
}
///<summary>
/// Get the compositor chain for a Viewport. If there is none yet, a new
/// compositor chain is registered.
/// XXX We need a _notifyViewportRemoved to find out when this viewport disappears,
/// so we can destroy its chain as well.
///</summary>
public CompositorChain GetCompositorChain(Viewport vp)
{
CompositorChain chain;
if (chains.TryGetValue(vp, out chain))
{
return(chain);
}
else
{
chain = new CompositorChain(vp);
chains[vp] = chain;
return(chain);
}
}
///<summary>
/// Get the compositor chain for a Viewport. If there is none yet, a new
/// compositor chain is registered.
/// XXX We need a _notifyViewportRemoved to find out when this viewport disappears,
/// so we can destroy its chain as well.
///</summary>
public CompositorChain GetCompositorChain( Viewport vp )
{
CompositorChain chain;
if ( this.chains.TryGetValue( vp, out chain ) )
{
// Make sure we have the right viewport
// It's possible that this chain may have outlived a viewport and another
// viewport was created at the same physical address, meaning we find it again but the viewport is gone
chain.Viewport = vp;
}
else
{
chain = new CompositorChain( vp );
this.chains[ vp ] = chain;
}
return chain;
}
public CompositorInstance( CompositionTechnique technique, CompositorChain chain )
{
this.compositor = technique.Parent;
this.technique = technique;
this.chain = chain;
this.enabled = false;
var logicName = technique.CompositorLogicName;
if ( !String.IsNullOrEmpty( logicName ) )
{
CompositorManager.Instance.CompositorLogics[ logicName ].CompositorInstanceCreated( this );
}
this.localTextures = new Dictionary<string, Texture>();
this.renderSystemOperations = new List<QueueIDAndOperation>();
}
public CompositorInstance(Compositor filter, CompositionTechnique technique, CompositorChain chain)
{
this.compositor = filter;
this.technique = technique;
this.chain = chain;
this.enabled = false;
localTextures = new Dictionary<string, Texture>();
renderSystemOperations = new List<QueueIDAndOperation>();
listeners = new List<CompositorInstanceListener>();
}
///<summary>
/// Create an instance of this technique.
///</summary>
public virtual CompositorInstance CreateInstance(CompositorChain chain)
{
CompositorInstance mew = new CompositorInstance(parent, this, chain);
instances.Add(mew);
return mew;
}
///<summary>
/// Get the compositor chain for a Viewport. If there is none yet, a new
/// compositor chain is registered.
/// XXX We need a _notifyViewportRemoved to find out when this viewport disappears,
/// so we can destroy its chain as well.
///</summary>
public CompositorChain GetCompositorChain(Viewport vp)
{
CompositorChain chain;
if (chains.TryGetValue(vp, out chain))
return chain;
else {
chain = new CompositorChain(vp);
chains[vp] = chain;
return chain;
}
}
