/// <summary>
/// Create "default compositor"
/// </summary>
protected void CreateOriginalScene()
{
this.originalSceneMaterial = this.viewport.MaterialScheme;
string compName = "Axiom/Scene/" + this.originalSceneMaterial;
var scene = (Compositor)CompositorManager.Instance.GetByName(compName);
if (scene == null)
{
scene = (Compositor)CompositorManager.Instance.Create(compName, ResourceGroupManager.InternalResourceGroupName);
CompositionTechnique t = scene.CreateTechnique();
t.SchemeName = string.Empty;
CompositionTargetPass tp = t.OutputTarget;
tp.VisibilityMask = 0xFFFFFFFF;
{
CompositionPass pass = tp.CreatePass();
pass.Type = CompositorPassType.Clear;
}
{
CompositionPass pass = tp.CreatePass();
pass.Type = CompositorPassType.RenderScene;
//Render everything, including skies
pass.FirstRenderQueue = RenderQueueGroupID.Background;
pass.LastRenderQueue = RenderQueueGroupID.SkiesLate;
}
scene = (Compositor)CompositorManager.Instance.Load(compName, ResourceGroupManager.InternalResourceGroupName);
}
this.originalScene = new CompositorInstance(scene.GetSupportedTechniqueByScheme(), this);
}
///<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>
/// Apply a compositor. Initially, the filter is enabled.
///</summary>
///<param name="filter">Filter to apply</param>
///<param name="addPosition">Position in filter chain to insert this filter at; defaults to the end (last applied filter)</param>
///<param name="technique">Technique to use; CompositorChain::BEST (default) chooses to the best one
/// available (first technique supported)
///</param>
///<param name="scheme"></param>
private CompositorInstance AddCompositor(Compositor filter, int addPosition, int technique, string scheme)
{
filter.Touch();
CompositionTechnique tech = filter.GetSupportedTechniqueByScheme(scheme);
if (tech == null)
{
LogManager.Instance.DefaultLog.Write("CompositorChain: Compositor " + filter.Name + " has no supported techniques.");
}
var t = new CompositorInstance(tech, this);
if (addPosition == lastCompositor)
{
addPosition = this.instances.Count;
}
else
{
Debug.Assert(addPosition <= this.instances.Count, "Index out of bounds.");
}
this.instances.Insert(addPosition, t);
this.dirty = true;
this.anyCompositorsEnabled = true;
return(t);
}
///<summary>
/// Remove a compositor by pointer. This is internally used by CompositionTechnique to
/// "weak" remove any instanced of a deleted technique.
///</summary>
public void RemoveInstance(CompositorInstance instance)
{
instance.Dispose();
this.instances.Remove(instance);
instance = null;
this.dirty = true;
}
///<summary>
/// Remove a compositor.
///</summary>
///<param name="position">Position in filter chain of filter to remove</param>
public void RemoveCompositor(int position)
{
CompositorInstance instance = instances[position];
instances.RemoveAt(position);
instance.Technique.DestroyInstance(instance);
dirty = true;
}
/// <summary>
/// Destroy default compositor
/// </summary>
protected void DestroyOriginalScene()
{
if (this.originalScene != null)
{
this.originalScene.Dispose();
this.originalScene = null;
}
}
public RSQuadOperation(CompositorInstance instance, uint pass_id, Material mat)
{
this.mat = mat;
this.instance = instance;
this.pass_id = pass_id;
mat.Load();
instance.FireNotifyMaterialSetup(pass_id, mat);
technique = mat.GetTechnique(0);
Debug.Assert(technique != null);
}
/// <summary>
///
/// </summary>
/// <param name="instance"></param>
/// <param name="localName"></param>
/// <returns></returns>
private bool IsInputPreviousTarget( CompositorInstance instance, string localName )
{
foreach ( var tp in instance.Technique.TargetPasses )
{
if ( tp.InputMode == CompositorInputMode.Previous && tp.OutputName == localName )
{
return true;
}
}
return false;
}
///<summary>
/// Compile this Composition chain into a series of RenderTarget operations.
///</summary>
protected void Compile()
{
ClearCompiledState();
bool compositorsEnabled = false;
/// Set previous CompositorInstance for each compositor in the list
CompositorInstance lastComposition = originalScene;
originalScene.PreviousInstance = null;
CompositionPass pass = originalScene.Technique.OutputTarget.GetPass(0);
pass.ClearBuffers = viewport.ClearBuffers;
pass.ClearColor = viewport.BackgroundColor;
foreach (CompositorInstance instance in instances)
{
if (instance.Enabled)
{
compositorsEnabled = true;
instance.PreviousInstance = lastComposition;
lastComposition = instance;
}
}
/// Compile misc targets
lastComposition.CompileTargetOperations(compiledState);
/// Final target viewport (0)
outputOperation.RenderSystemOperations.Clear();
lastComposition.CompileOutputOperation(outputOperation);
// Deal with viewport settings
if (compositorsEnabled != anyCompositorsEnabled)
{
anyCompositorsEnabled = compositorsEnabled;
if (anyCompositorsEnabled)
{
// Save old viewport clearing options
oldClearEveryFrameBuffers = viewport.ClearBuffers;
// Don't clear anything every frame since we have our own clear ops
viewport.SetClearEveryFrame(false);
}
else
{
// Reset clearing options
viewport.SetClearEveryFrame(oldClearEveryFrameBuffers > 0,
oldClearEveryFrameBuffers);
}
}
dirty = false;
}
public CompositorChain(Viewport vp)
{
this.viewport = vp;
originalScene = null;
instances = new List <CompositorInstance>();
dirty = true;
anyCompositorsEnabled = false;
compiledState = new List <CompositorTargetOperation>();
outputOperation = null;
oldClearEveryFrameBuffers = viewport.ClearBuffers;
renderSystemOperations = new List <CompositorRenderSystemOperation>();
listener = new RQListener();
Debug.Assert(viewport != null);
}
/// <summary>
/// another overload to remove a compositor instance from its chain
/// </summary>
/// <param name="remInstance"></param>
public void RemoveCompositor( CompositorInstance remInstance )
{
var chain = remInstance.Chain;
for ( var i = 0; i < chain.Instances.Count; i++ )
{
var instance = chain.GetCompositor( i );
if ( instance == remInstance )
{
chain.RemoveCompositor( i );
break;
}
}
}
///<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>
///
/// </summary>
/// <param name="instance"></param>
/// <param name="localName"></param>
/// <returns></returns>
private bool IsInputToOutputTarget( CompositorInstance instance, string localName )
{
var tp = instance.Technique.OutputTarget;
foreach ( var p in tp.Passes )
{
for ( var i = 0; i < p.Inputs.Length; i++ )
{
if ( p.GetInput( i ).Name == localName )
{
return true;
}
}
}
return false;
}
/// <summary>
///
/// </summary>
/// <param name="instance"></param>
/// <param name="texture"></param>
/// <returns></returns>
private bool IsInputToOutputTarget( CompositorInstance instance, Texture texture )
{
var tp = instance.Technique.OutputTarget;
foreach ( var p in tp.Passes )
{
for ( var i = 0; i < p.Inputs.Length; i++ )
{
var t = instance.GetTextureInstance( p.GetInput( i ).Name, 0 );
if ( t != null && t == texture )
{
return true;
}
}
}
return false;
}
/// <summary>
///
/// </summary>
/// <param name="instance"></param>
/// <param name="texture"></param>
/// <returns></returns>
private bool IsInputPreviousTarget( CompositorInstance instance, Texture texture )
{
foreach ( var tp in instance.Technique.TargetPasses )
{
if ( tp.InputMode == CompositorInputMode.Previous )
{
// Don't have to worry about an MRT, because no MRT can be input previous
var t = instance.GetTextureInstance( tp.OutputName, 0 );
if ( t != null && t == texture )
{
return true;
}
}
}
return false;
}
public CompositorChain(Viewport vp)
{
this.viewport = vp;
this.originalScene = null;
this.instances = new List <CompositorInstance>();
this.dirty = true;
this.anyCompositorsEnabled = false;
this.compiledState = new List <CompositeTargetOperation>();
this.outputOperation = null;
this.oldClearEveryFrameBuffers = this.viewport.ClearBuffers;
this.renderSystemOperations = new List <CompositeRenderSystemOperation>();
CreateOriginalScene();
this.listener = new RQListener();
Debug.Assert(this.viewport != null);
this.viewport.Target.BeforeUpdate += BeforeRenderTargetUpdate;
this.viewport.Target.AfterUpdate += AfterRenderTargetUpdate;
this.viewport.Target.BeforeViewportUpdate += BeforeViewportUpdate;
this.viewport.Target.AfterViewportUpdate += AfterViewportUpdate;
}
/// <summary>
/// Get the previous instance in this chain to the one specified.
/// </summary>
/// <param name="curr"></param>
/// <param name="activeOnly"></param>
/// <returns></returns>
public CompositorInstance GetPreviousInstance(CompositorInstance curr, bool activeOnly)
{
var found = false;
for (int i = this.instances.Count - 1; i >= 0; i--)
{
if (found)
{
if (this.instances[i].IsEnabled || !activeOnly)
{
return(this.instances[i]);
}
}
else if (this.instances[i] == curr)
{
found = true;
}
}
return(null);
}
/// <summary>
/// Get the next instance in this chain to the one specified.
/// </summary>
/// <param name="curr"></param>
/// <param name="activeOnly"></param>
/// <returns></returns>
public CompositorInstance GetNextInstance(CompositorInstance curr, bool activeOnly)
{
var found = false;
for (var i = 0; i < this.instances.Count; i++)
{
if (found)
{
if (this.instances[i].IsEnabled || !activeOnly)
{
return(this.instances[i]);
}
}
else if (this.instances[i] == curr)
{
found = true;
}
}
return(null);
}
///<summary>
/// Apply a compositor. Initially, the filter is enabled.
///</summary>
///<param name="filter">Filter to apply</param>
///<param name="addPosition">Position in filter chain to insert this filter at; defaults to the end (last applied filter)</param>
///<param name="technique">Technique to use; CompositorChain::BEST (default) chooses to the best one
/// available (first technique supported)
///</param>
CompositorInstance AddCompositor(Compositor filter, int addPosition, int technique)
{
// Init on demand
if (originalScene == null)
{
viewport.Target.BeforeUpdate += BeforeRenderTargetUpdate;
// viewport.Target.AfterUpdate += AfterRenderTargetUpdate;
viewport.Target.BeforeViewportUpdate += BeforeViewportUpdate;
viewport.Target.AfterViewportUpdate += AfterViewportUpdate;
/// Create base "original scene" compositor
Compositor baseCompositor = (Compositor)CompositorManager.Instance.LoadExisting("Ogre/Scene");
originalScene = baseCompositor.GetSupportedTechnique(0).CreateInstance(this);
}
filter.Touch();
if (technique >= filter.SupportedTechniques.Count)
{
/// Warn user
LogManager.Instance.Write("CompositorChain: Compositor " + filter.Name + " has no supported techniques.");
return(null);
}
CompositionTechnique tech = filter.GetSupportedTechnique(technique);
CompositorInstance t = tech.CreateInstance(this);
if (addPosition == lastCompositor)
{
instances.Add(t);
}
else
{
Debug.Assert(addPosition <= instances.Count);
instances.Insert(addPosition, t);
}
dirty = true;
anyCompositorsEnabled = true;
return(t);
}
public CompositorChain( Viewport vp )
{
this.viewport = vp;
this.originalScene = null;
this.instances = new List<CompositorInstance>();
this.dirty = true;
this.anyCompositorsEnabled = false;
this.compiledState = new List<CompositeTargetOperation>();
this.outputOperation = null;
this.oldClearEveryFrameBuffers = this.viewport.ClearBuffers;
this.renderSystemOperations = new List<CompositeRenderSystemOperation>();
CreateOriginalScene();
this.listener = new RQListener();
Debug.Assert( this.viewport != null );
this.viewport.Target.BeforeUpdate += BeforeRenderTargetUpdate;
this.viewport.Target.AfterUpdate += AfterRenderTargetUpdate;
this.viewport.Target.BeforeViewportUpdate += BeforeViewportUpdate;
this.viewport.Target.AfterViewportUpdate += AfterViewportUpdate;
}
/// <summary>
/// Destroy default compositor
/// </summary>
protected void DestroyOriginalScene()
{
if ( this.originalScene != null )
{
this.originalScene.Dispose();
this.originalScene = null;
}
}
/// <summary>
/// Called when a compositor instance has been destroyed
/// </summary>
/// <remarks>
/// The chain that contained the compositor is still alive during this call.
/// </remarks>
/// <param name="destroyedInstance"></param>
public virtual void CompositorInstanceDestroyed(CompositorInstance destroyedInstance)
{
}
///<summary>
/// Remove a compositor by pointer. This is internally used by CompositionTechnique to
/// "weak" remove any instanced of a deleted technique.
///</summary>
public void RemoveInstance( CompositorInstance instance )
{
instance.Dispose();
this.instances.Remove( instance );
instance = null;
this.dirty = true;
}
///<summary>
/// Destroy an instance of this technique.
///</summary>
public virtual void DestroyInstance(CompositorInstance instance)
{
instances.Remove(instance);
}
/// <summary>
/// Called when a compositor instance has been destroyed
/// </summary>
/// <remarks>
/// The chain that contained the compositor is still alive during this call.
/// </remarks>
/// <param name="destroyedInstance"></param>
public virtual void CompositorInstanceDestroyed( CompositorInstance destroyedInstance )
{
}
/// <summary>
/// Get the next instance in this chain to the one specified.
/// </summary>
/// <param name="curr"></param>
/// <returns></returns>
public CompositorInstance GetNextInstance( CompositorInstance curr )
{
return GetNextInstance( curr, true );
}
/// <summary>
/// Get the next instance in this chain to the one specified.
/// </summary>
/// <param name="curr"></param>
/// <param name="activeOnly"></param>
/// <returns></returns>
public CompositorInstance GetNextInstance( CompositorInstance curr, bool activeOnly )
{
var found = false;
for ( var i = 0; i < this.instances.Count; i++ )
{
if ( found )
{
if ( this.instances[ i ].IsEnabled || !activeOnly )
{
return this.instances[ i ];
}
}
else if ( this.instances[ i ] == curr )
{
found = true;
}
}
return null;
}
/// <summary>
///
/// </summary>
/// <param name="name"></param>
/// <param name="localName"></param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <param name="format"></param>
/// <param name="aa"></param>
/// <param name="aaHint"></param>
/// <param name="srgb"></param>
/// <param name="textureAllreadyAssigned"></param>
/// <param name="instance"></param>
/// <param name="scope"></param>
/// <returns></returns>
public Texture GetPooledTexture( string name, string localName, int width, int height, PixelFormat format, int aa,
string aaHint, bool srgb, List<Texture> textureAllreadyAssigned,
CompositorInstance instance, CompositionTechnique.TextureScope scope)
{
if ( scope == CompositionTechnique.TextureScope.Global )
{
throw new AxiomException( "Global scope texture can not be pooled." );
}
var def = new TextureDefinition( width, height, format, aa, aaHint, srgb );
if ( scope == CompositionTechnique.TextureScope.Chain )
{
var pair = new Pair<string>( instance.Compositor.Name, localName );
SortedList<TextureDefinition, Texture> defMap = null;
if ( this.chainTexturesByRef.TryGetValue( pair, out defMap ) )
{
Texture tex;
if ( defMap.TryGetValue( def, out tex ) )
{
return tex;
}
}
// ok, we need to create a new one
if ( defMap == null )
{
defMap = new SortedList<TextureDefinition, Texture>( new TextureDefLess() );
}
var newTex = TextureManager.Instance.CreateManual( name, ResourceGroupManager.InternalResourceGroupName,
TextureType.TwoD, width, height, 0, format,
TextureUsage.RenderTarget, null, srgb, aa, aaHint );
defMap.Add( def, newTex );
if ( this.chainTexturesByRef.ContainsKey( pair ) )
{
this.chainTexturesByRef[ pair ] = defMap;
}
else
{
this.chainTexturesByRef.Add( pair, defMap );
}
return newTex;
} //end if scope
List<Texture> i = null;
if ( !this.texturesByDef.TryGetValue( def, out i ) )
{
i = new List<Texture>();
this.texturesByDef.Add( def, i );
}
var previous = instance.Chain.GetPreviousInstance( instance );
var next = instance.Chain.GetNextInstance( instance );
Texture ret = null;
// iterate over the existing textures and check if we can re-use
foreach ( var tex in i )
{
// check not already used
if ( !textureAllreadyAssigned.Contains( tex ) )
{
var allowReuse = true;
// ok, we didn't use this one already
// however, there is an edge case where if we re-use a texture
// which has an 'input previous' pass, and it is chained from another
// compositor, we can end up trying to use the same texture for both
// so, never allow a texture with an input previous pass to be
// shared with its immediate predecessor in the chain
if ( IsInputPreviousTarget( instance, localName ) )
{
// Check whether this is also an input to the output target of previous
// can't use CompositorInstance._previousInstance, only set up
// during compile
if ( previous != null && IsInputToOutputTarget( previous, tex ) )
{
allowReuse = false;
}
}
// now check the other way around since we don't know what order they're bound in
if ( IsInputToOutputTarget( instance, localName ) )
{
if ( next != null && IsInputPreviousTarget( next, tex ) )
{
allowReuse = false;
}
}
if ( allowReuse )
{
ret = tex;
break;
}
}
}
if ( ret == null )
{
// ok, we need to create a new one
ret = TextureManager.Instance.CreateManual( name, ResourceGroupManager.InternalResourceGroupName, TextureType.TwoD,
width, height, 0, format, TextureUsage.RenderTarget, null, srgb, aa,
aaHint );
i.Add( ret );
this.texturesByDef[ def ] = i;
}
// record that we used this one in the requester's list
textureAllreadyAssigned.Add( ret );
return ret;
}
/// <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>
/// Called when a compositor instance has been created.
/// </summary>
/// <remarks>
/// This happens after its setup was finished, so the chain is also accessible.
/// This is an ideal method to automatically attach a compositor listener.
/// </remarks>
/// <param name="newInstance"></param>
public virtual void CompositorInstanceCreated( CompositorInstance newInstance )
{
}
/// <summary>
/// Get the previous instance in this chain to the one specified.
/// </summary>
/// <param name="curr"></param>
/// <param name="activeOnly"></param>
/// <returns></returns>
public CompositorInstance GetPreviousInstance( CompositorInstance curr, bool activeOnly )
{
var found = false;
for ( int i = this.instances.Count - 1; i >= 0; i-- )
{
if ( found )
{
if ( this.instances[ i ].IsEnabled || !activeOnly )
{
return this.instances[ i ];
}
}
else if ( this.instances[ i ] == curr )
{
found = true;
}
}
return null;
}
/// <summary>
/// Get the previous instance in this chain to the one specified.
/// </summary>
/// <param name="curr"></param>
/// <returns></returns>
public CompositorInstance GetPreviousInstance( CompositorInstance curr )
{
return GetPreviousInstance( curr, true );
}
///<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 CompositorChain(Viewport vp)
{
this.viewport = vp;
originalScene = null;
instances = new List<CompositorInstance>();
dirty = true;
anyCompositorsEnabled = false;
compiledState = new List<CompositorTargetOperation>();
outputOperation = null;
oldClearEveryFrameBuffers = viewport.ClearBuffers;
renderSystemOperations = new List<CompositorRenderSystemOperation>();
listener = new RQListener();
Debug.Assert(viewport != null);
}
public RSQuadOperation(CompositorInstance instance, uint pass_id, Material mat)
{
this.mat = mat;
this.instance = instance;
this.pass_id = pass_id;
mat.Load();
instance.FireNotifyMaterialSetup(pass_id, mat);
technique = mat.GetTechnique(0);
Debug.Assert(technique != null);
}
///<summary>
/// Remove a compositor by pointer. This is internally used by CompositionTechnique to
/// "weak" remove any instanced of a deleted technique.
///</summary>
public void RemoveInstance(CompositorInstance instance)
{
instances.Remove(instance);
instance.Technique.DestroyInstance(instance);
}
///<summary>
/// Destroy an instance of this technique.
///</summary>
public virtual void DestroyInstance(CompositorInstance instance)
{
instances.Remove(instance);
}
///<summary>
/// Apply a compositor. Initially, the filter is enabled.
///</summary>
///<param name="filter">Filter to apply</param>
///<param name="addPosition">Position in filter chain to insert this filter at; defaults to the end (last applied filter)</param>
///<param name="technique">Technique to use; CompositorChain::BEST (default) chooses to the best one
/// available (first technique supported)
///</param>
CompositorInstance AddCompositor(Compositor filter, int addPosition, int technique)
{
// Init on demand
if (originalScene == null) {
viewport.Target.BeforeUpdate += BeforeRenderTargetUpdate;
// viewport.Target.AfterUpdate += AfterRenderTargetUpdate;
viewport.Target.BeforeViewportUpdate += BeforeViewportUpdate;
viewport.Target.AfterViewportUpdate += AfterViewportUpdate;
/// Create base "original scene" compositor
Compositor baseCompositor = (Compositor)CompositorManager.Instance.LoadExisting("Ogre/Scene");
originalScene = baseCompositor.GetSupportedTechnique(0).CreateInstance(this);
}
filter.Touch();
if (technique >= filter.SupportedTechniques.Count) {
/// Warn user
LogManager.Instance.Write("CompositorChain: Compositor " + filter.Name + " has no supported techniques.");
return null;
}
CompositionTechnique tech = filter.GetSupportedTechnique(technique);
CompositorInstance t = tech.CreateInstance(this);
if (addPosition == lastCompositor)
instances.Add(t);
else {
Debug.Assert(addPosition <= instances.Count);
instances.Insert(addPosition, t);
}
dirty = true;
anyCompositorsEnabled = true;
return t;
}
/// <summary>
/// Called when a compositor instance has been created.
/// </summary>
/// <remarks>
/// This happens after its setup was finished, so the chain is also accessible.
/// This is an ideal method to automatically attach a compositor listener.
/// </remarks>
/// <param name="newInstance"></param>
public virtual void CompositorInstanceCreated(CompositorInstance newInstance)
{
}
public void SetCompositor( CompositorInstance compositor )
{
// Get some RTT dimensions for later calculations
foreach ( CompositionTechnique.TextureDefinition textureDefinition in compositor.Technique.TextureDefinitions )
{
if ( textureDefinition.Name == "rt_bloom0" )
{
bloomSize = (int)textureDefinition.Width; // should be square
// Calculate gaussian texture offsets & weights
float deviation = 3.0f;
float texelSize = 1.0f / (float)bloomSize;
// central sample, no offset
bloomTexOffsetsHorz[ 0 ] = 0.0f;
bloomTexOffsetsHorz[ 1 ] = 0.0f;
bloomTexOffsetsVert[ 0 ] = 0.0f;
bloomTexOffsetsVert[ 1 ] = 0.0f;
bloomTexWeights[ 0 ] = bloomTexWeights[ 1 ] = bloomTexWeights[ 2 ] = Utility.GaussianDistribution( 0, 0, deviation );
bloomTexWeights[ 3 ] = 1.0f;
// 'pre' samples
for ( int i = 1; i < 8; ++i )
{
int offset = i * 4;
bloomTexWeights[ offset + 0 ] = bloomTexWeights[ offset + 1 ] = bloomTexWeights[ offset + 2 ] = 1.25f * Utility.GaussianDistribution( i, 0, deviation );
bloomTexWeights[ offset + 3 ] = 1.0f;
bloomTexOffsetsHorz[ offset + 0 ] = i * texelSize;
bloomTexOffsetsHorz[ offset + 1 ] = 0.0f;
bloomTexOffsetsVert[ offset + 0 ] = 0.0f;
bloomTexOffsetsVert[ offset + 1 ] = i * texelSize;
}
// 'post' samples
for ( int i = 8; i < 15; ++i )
{
int offset = i * 4;
bloomTexWeights[ offset + 0 ] = bloomTexWeights[ offset + 1 ] =
bloomTexWeights[ offset + 2 ] = bloomTexWeights[ offset - 7 * 4 + 0 ];
bloomTexWeights[ offset + 3 ] = 1.0f;
bloomTexOffsetsHorz[ offset + 0 ] = -bloomTexOffsetsHorz[ offset - 7 * 4 + 0 ];
bloomTexOffsetsHorz[ offset + 1 ] = 0.0f;
bloomTexOffsetsVert[ offset + 0 ] = 0.0f;
bloomTexOffsetsVert[ offset + 1 ] = -bloomTexOffsetsVert[ offset - 7 * 4 + 1 ];
}
}
}
}
///<summary>
/// Apply a compositor. Initially, the filter is enabled.
///</summary>
///<param name="filter">Filter to apply</param>
///<param name="addPosition">Position in filter chain to insert this filter at; defaults to the end (last applied filter)</param>
///<param name="technique">Technique to use; CompositorChain::BEST (default) chooses to the best one
/// available (first technique supported)
///</param>
///<param name="scheme"></param>
private CompositorInstance AddCompositor( Compositor filter, int addPosition, int technique, string scheme )
{
filter.Touch();
CompositionTechnique tech = filter.GetSupportedTechniqueByScheme( scheme );
if ( tech == null )
{
LogManager.Instance.DefaultLog.Write( "CompositorChain: Compositor " + filter.Name + " has no supported techniques." );
}
var t = new CompositorInstance( tech, this );
if ( addPosition == lastCompositor )
{
addPosition = this.instances.Count;
}
else
{
Debug.Assert( addPosition <= this.instances.Count, "Index out of bounds." );
}
this.instances.Insert( addPosition, t );
this.dirty = true;
this.anyCompositorsEnabled = true;
return t;
}
void OnMaterialSetup( CompositorInstance source, CompositorInstanceMaterialEventArgs e )
{
this.SetViewport( source.Chain.Viewport );
this.SetCompositor( source );
// Prepare the fragment params offsets
switch ( e.PassID )
{
//case 994: // rt_lum4
case 993: // rt_lum3
case 992: // rt_lum2
case 991: // rt_lum1
case 990: // rt_lum0
break;
case 800: // rt_brightpass
break;
case 701: // rt_bloom1
{
// horizontal bloom
e.Material.Load();
GpuProgramParameters fparams = e.Material.GetBestTechnique().GetPass( 0 ).FragmentProgramParameters;
fparams.SetNamedConstant( "sampleOffsets", bloomTexOffsetsHorz );
fparams.SetNamedConstant( "sampleWeights", bloomTexWeights );
break;
}
case 700: // rt_bloom0
{
// vertical bloom
e.Material.Load();
GpuProgramParameters fparams = e.Material.GetTechnique( 0 ).GetPass( 0 ).FragmentProgramParameters;
fparams.SetNamedConstant( "sampleOffsets", bloomTexOffsetsHorz );
fparams.SetNamedConstant( "sampleWeights", bloomTexWeights );
break;
}
}
}
/// <summary>
/// Create "default compositor"
/// </summary>
protected void CreateOriginalScene()
{
this.originalSceneMaterial = this.viewport.MaterialScheme;
string compName = "Axiom/Scene/" + this.originalSceneMaterial;
var scene = (Compositor)CompositorManager.Instance.GetByName( compName );
if ( scene == null )
{
scene = (Compositor)CompositorManager.Instance.Create( compName, ResourceGroupManager.InternalResourceGroupName );
CompositionTechnique t = scene.CreateTechnique();
t.SchemeName = string.Empty;
CompositionTargetPass tp = t.OutputTarget;
tp.VisibilityMask = 0xFFFFFFFF;
{
CompositionPass pass = tp.CreatePass();
pass.Type = CompositorPassType.Clear;
}
{
CompositionPass pass = tp.CreatePass();
pass.Type = CompositorPassType.RenderScene;
//Render everything, including skies
pass.FirstRenderQueue = RenderQueueGroupID.Background;
pass.LastRenderQueue = RenderQueueGroupID.SkiesLate;
}
scene = (Compositor)CompositorManager.Instance.Load( compName, ResourceGroupManager.InternalResourceGroupName );
}
this.originalScene = new CompositorInstance( scene.GetSupportedTechniqueByScheme(), this );
}
void OnMaterialRender( CompositorInstance source, CompositorInstanceMaterialEventArgs e )
{
}
/// <summary>
/// Get the previous instance in this chain to the one specified.
/// </summary>
/// <param name="curr"></param>
/// <returns></returns>
public CompositorInstance GetPreviousInstance(CompositorInstance curr)
{
return(GetPreviousInstance(curr, true));
}
/// <summary>
/// Called when a compositor instance has been created.
/// </summary>
/// <remarks>
/// This happens after its setup was finished, so the chain is also accessible.
/// This is an ideal method to automatically attach a compositor listener.
/// </remarks>
/// <param name="newInstance"></param>
public override void CompositorInstanceCreated( CompositorInstance newInstance )
{
newInstance.MaterialRender += new CompositorInstanceMaterialEventHandler( OnMaterialRender );
newInstance.MaterialSetup += new CompositorInstanceMaterialEventHandler( OnMaterialSetup );
}
/// <summary>
/// Get the next instance in this chain to the one specified.
/// </summary>
/// <param name="curr"></param>
/// <returns></returns>
public CompositorInstance GetNextInstance(CompositorInstance curr)
{
return(GetNextInstance(curr, true));
}
/// <summary>
/// Called when a compositor instance has been destroyed
/// </summary>
/// <remarks>
/// The chain that contained the compositor is still alive during this call.
/// </remarks>
/// <param name="destroyedInstance"></param>
public override void CompositorInstanceDestroyed( CompositorInstance destroyedInstance )
{
destroyedInstance.MaterialRender -= new CompositorInstanceMaterialEventHandler( OnMaterialRender );
destroyedInstance.MaterialSetup -= new CompositorInstanceMaterialEventHandler( OnMaterialSetup );
}
public RSQuadOperation( CompositorInstance instance, uint pass_id, Material mat )
{
Material = mat;
Instance = instance;
PassId = pass_id;
QuadLeft = -1;
QuadRight = 1;
QuadTop = 1;
QuadBottom = -1;
mat.Load();
instance.OnMaterialSetup( new CompositorInstanceMaterialEventArgs( PassId, Material ) );
Technique = mat.GetTechnique( 0 );
Debug.Assert( Technique != null, "Material has no supported technique." );
}
///<summary>
/// Remove a compositor by pointer. This is internally used by CompositionTechnique to
/// "weak" remove any instanced of a deleted technique.
///</summary>
public void RemoveInstance(CompositorInstance instance)
{
instances.Remove(instance);
instance.Technique.DestroyInstance(instance);
}