///<summary>
/// Prepare a viewport, the camera and the scene for a rendering operation
///</summary>
protected void PreTargetOperation(CompositorTargetOperation op, Viewport vp, Camera cam)
{
SceneManager sm = cam.SceneManager;
/// Set up render target listener
listener.SetOperation(op, sm, sm.TargetRenderSystem);
listener.NotifyViewport(vp);
/// Register it
sm.QueueStarted += listener.OnRenderQueueStarted;
sm.QueueEnded += listener.OnRenderQueueEnded;
/// Set visiblity mask
oldVisibilityMask = sm.VisibilityMask;
sm.VisibilityMask = op.VisibilityMask;
/// Set whether we find visibles
oldFindVisibleObjects = sm.FindVisibleObjectsBool;
sm.FindVisibleObjectsBool = op.FindVisibleObjects;
/// Set LOD bias level
oldLodBias = cam.LodBias;
cam.LodBias = cam.LodBias * op.LodBias;
/// Set material scheme
oldMaterialScheme = vp.MaterialScheme;
vp.MaterialScheme = op.MaterialScheme;
/// XXX TODO
//vp->setClearEveryFrame( true );
//vp->setOverlaysEnabled( false );
//vp->setBackgroundColour( op.clearColour );
}
///<summary>
/// Recursively collect target states (except for final Pass).
///</summary>
///<param name="compiledState">This vector will contain a list of TargetOperation objects</param>
public void CompileTargetOperations(List <CompositorTargetOperation> compiledState)
{
/// Collect targets of previous state
if (previousInstance != null)
{
previousInstance.CompileTargetOperations(compiledState);
}
/// Texture targets
foreach (CompositionTargetPass target in technique.TargetPasses)
{
CompositorTargetOperation ts = new CompositorTargetOperation(GetTargetForTex(target.OutputName));
/// Set "only initial" flag, visibilityMask and lodBias according to CompositionTargetPass.
ts.OnlyInitial = target.OnlyInitial;
ts.VisibilityMask = target.VisibilityMask;
ts.LodBias = target.LodBias;
/// Check for input mode previous
if (target.InputMode == CompositorInputMode.Previous)
{
/// Collect target state for previous compositor
/// The TargetOperation for the final target is collected seperately as it is merged
/// with later operations
previousInstance.CompileOutputOperation(ts);
}
/// Collect passes of our own target
CollectPasses(ts, target);
compiledState.Add(ts);
}
}
///<summary>
/// Queue a render system operation.
///</summary>
///<returns>destination pass</return>
protected void QueueRenderSystemOp(CompositorTargetOperation finalState, CompositorRenderSystemOperation op)
{
/// Store operation for current QueueGroup ID
finalState.RenderSystemOperations.Add(new QueueIDAndOperation(finalState.CurrentQueueGroupID, op));
/// Save a pointer, so that it will be freed on recompile
chain.RenderSystemOperations.Add(op);
}
///<summary>
/// Set current operation and target */
///</summary>
public void SetOperation(CompositorTargetOperation op, SceneManager sm, RenderSystem rs)
{
operation = op;
sceneManager = sm;
renderSystem = rs;
currentOp = 0;
lastOp = op.RenderSystemOperations.Count;
}
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>
/// Restore a viewport, the camera and the scene after a rendering operation
///</summary>
protected void PostTargetOperation(CompositorTargetOperation op, Viewport vp, Camera cam)
{
SceneManager sm = cam.SceneManager;
/// Unregister our listener
sm.QueueStarted -= listener.OnRenderQueueStarted;
sm.QueueEnded -= listener.OnRenderQueueEnded;
/// Flush remaing operations
listener.FlushUpTo(RenderQueueGroupID.Count);
/// Restore default scene and camera settings
sm.VisibilityMask = oldVisibilityMask;
sm.FindVisibleObjectsBool = oldFindVisibleObjects;
cam.LodBias = oldLodBias;
vp.MaterialScheme = oldMaterialScheme;
}
///<summary>
/// Compile the final (output) operation. This is done seperately because this
/// is combined with the input in chained filters.
///</summary>
public void CompileOutputOperation(CompositorTargetOperation finalState)
{
/// Final target
CompositionTargetPass tpass = technique.OutputTarget;
/// Logical-and together the visibilityMask, and multiply the lodBias
finalState.VisibilityMask &= tpass.VisibilityMask;
finalState.LodBias *= tpass.LodBias;
if (tpass.InputMode == CompositorInputMode.Previous)
{
/// Collect target state for previous compositor
/// The TargetOperation for the final target is collected seperately as it is merged
/// with later operations
previousInstance.CompileOutputOperation(finalState);
}
/// Collect passes
CollectPasses(finalState, tpass);
}
///<summary>
/// Recursively collect target states (except for final Pass).
///</summary>
///<param name="compiledState">This vector will contain a list of TargetOperation objects</param>
public void CompileTargetOperations(List<CompositorTargetOperation> compiledState)
{
/// Collect targets of previous state
if(previousInstance != null)
previousInstance.CompileTargetOperations(compiledState);
/// Texture targets
foreach (CompositionTargetPass target in technique.TargetPasses) {
CompositorTargetOperation ts = new CompositorTargetOperation(GetTargetForTex(target.OutputName));
/// Set "only initial" flag, visibilityMask and lodBias according to CompositionTargetPass.
ts.OnlyInitial = target.OnlyInitial;
ts.VisibilityMask = target.VisibilityMask;
ts.LodBias = target.LodBias;
/// Check for input mode previous
if(target.InputMode == CompositorInputMode.Previous) {
/// Collect target state for previous compositor
/// The TargetOperation for the final target is collected seperately as it is merged
/// with later operations
previousInstance.CompileOutputOperation(ts);
}
/// Collect passes of our own target
CollectPasses(ts, target);
compiledState.Add(ts);
}
}
///<summary>
/// Compile the final (output) operation. This is done seperately because this
/// is combined with the input in chained filters.
///</summary>
public void CompileOutputOperation(CompositorTargetOperation finalState)
{
/// Final target
CompositionTargetPass tpass = technique.OutputTarget;
/// Logical-and together the visibilityMask, and multiply the lodBias
finalState.VisibilityMask &= tpass.VisibilityMask;
finalState.LodBias *= tpass.LodBias;
if(tpass.InputMode == CompositorInputMode.Previous) {
/// Collect target state for previous compositor
/// The TargetOperation for the final target is collected seperately as it is merged
/// with later operations
previousInstance.CompileOutputOperation(finalState);
}
/// Collect passes
CollectPasses(finalState, tpass);
}
///<summary>
/// Set current operation and target */
///</summary>
public void SetOperation(CompositorTargetOperation op, SceneManager sm, RenderSystem rs)
{
operation = op;
sceneManager = sm;
renderSystem = rs;
currentOp = 0;
lastOp = op.RenderSystemOperations.Count;
}
///<summary>
/// Prepare a viewport, the camera and the scene for a rendering operation
///</summary>
protected void PreTargetOperation(CompositorTargetOperation op, Viewport vp, Camera cam)
{
SceneManager sm = cam.SceneManager;
/// Set up render target listener
listener.SetOperation(op, sm, sm.TargetRenderSystem);
listener.NotifyViewport(vp);
/// Register it
sm.QueueStarted += listener.OnRenderQueueStarted;
sm.QueueEnded += listener.OnRenderQueueEnded;
/// Set visiblity mask
oldVisibilityMask = sm.VisibilityMask;
sm.VisibilityMask = op.VisibilityMask;
/// Set whether we find visibles
oldFindVisibleObjects = sm.FindVisibleObjectsBool;
sm.FindVisibleObjectsBool = op.FindVisibleObjects;
/// Set LOD bias level
oldLodBias = cam.LodBias;
cam.LodBias = cam.LodBias * op.LodBias;
/// Set material scheme
oldMaterialScheme = vp.MaterialScheme;
vp.MaterialScheme = op.MaterialScheme;
/// XXX TODO
//vp->setClearEveryFrame( true );
//vp->setOverlaysEnabled( false );
//vp->setBackgroundColour( op.clearColour );
}
///<summary>
/// Restore a viewport, the camera and the scene after a rendering operation
///</summary>
protected void PostTargetOperation(CompositorTargetOperation op, Viewport vp, Camera cam)
{
SceneManager sm = cam.SceneManager;
/// Unregister our listener
sm.QueueStarted -= listener.OnRenderQueueStarted;
sm.QueueEnded -= listener.OnRenderQueueEnded;
/// Flush remaing operations
listener.FlushUpTo(RenderQueueGroupID.Count);
/// Restore default scene and camera settings
sm.VisibilityMask = oldVisibilityMask;
sm.FindVisibleObjectsBool = oldFindVisibleObjects;
cam.LodBias = oldLodBias;
vp.MaterialScheme = oldMaterialScheme;
}
protected void ClearCompiledState()
{
renderSystemOperations.Clear();
compiledState.Clear();
outputOperation = new CompositorTargetOperation(null);
}
///<summary>
/// Collect rendering passes. Here, passes are converted into render target operations
/// and queued with queueRenderSystemOp.
///</summary>
protected void CollectPasses(CompositorTargetOperation finalState, CompositionTargetPass target)
{
/// Here, passes are converted into render target operations
Pass targetpass;
Technique srctech;
Material srcmat;
foreach (CompositionPass pass in target.Passes)
{
switch (pass.Type)
{
case CompositorPassType.Clear:
QueueRenderSystemOp(finalState, new RSClearOperation(
pass.ClearBuffers,
pass.ClearColor,
pass.ClearDepth,
pass.ClearStencil));
break;
case CompositorPassType.Stencil:
QueueRenderSystemOp(finalState, new RSStencilOperation(
pass.StencilCheck, pass.StencilFunc, pass.StencilRefValue,
pass.StencilMask, pass.StencilFailOp, pass.StencilDepthFailOp,
pass.StencilPassOp, pass.StencilTwoSidedOperation
));
break;
case CompositorPassType.RenderScene:
if ((int)pass.FirstRenderQueue < (int)finalState.CurrentQueueGroupID)
{
/// Mismatch -- warn user
/// XXX We could support repeating the last queue, with some effort
LogManager.Instance.Write("Warning in compilation of Compositor "
+ compositor.Name + ": Attempt to render queue " +
pass.FirstRenderQueue + " before " +
finalState.CurrentQueueGroupID);
}
/// Add render queues
for (RenderQueueGroupID x = pass.FirstRenderQueue; x <= pass.LastRenderQueue; ++x)
{
Debug.Assert(x >= 0);
finalState.RenderQueues[(int)x] = true;
}
finalState.CurrentQueueGroupID = (RenderQueueGroupID)((int)pass.LastRenderQueue + 1);
finalState.FindVisibleObjects = true;
finalState.MaterialScheme = target.MaterialScheme;
break;
case CompositorPassType.RenderQuad:
srcmat = pass.Material;
if (srcmat == null)
{
/// No material -- warn user
LogManager.Instance.Write("Warning in compilation of Compositor "
+ compositor.Name + ": No material defined for composition pass");
break;
}
srcmat.Load();
if (srcmat.SupportedTechniques.Count == 0)
{
/// No supported techniques -- warn user
LogManager.Instance.Write("Warning in compilation of Compositor "
+ compositor.Name + ": material " + srcmat.Name + " has no supported techniques");
break;
}
srctech = srcmat.GetBestTechnique(0);
/// Create local material
Material localMat = CreateLocalMaterial();
/// Copy and adapt passes from source material
for (int i = 0; i < srctech.NumPasses; i++)
{
Pass srcpass = srctech.GetPass(i);
/// Create new target pass
targetpass = localMat.GetTechnique(0).CreatePass();
srcpass.CopyTo(targetpass);
/// Set up inputs
int numInputs = pass.GetNumInputs();
for (int x = 0; x < numInputs; x++)
{
string inp = pass.Inputs[x];
if (inp != string.Empty)
{
if (x < targetpass.NumTextureUnitStages)
{
targetpass.GetTextureUnitState(x).SetTextureName(GetSourceForTex(inp));
}
else
{
/// Texture unit not there
LogManager.Instance.Write("Warning in compilation of Compositor "
+ compositor.Name + ": material " + srcmat.Name + " texture unit "
+ x + " out of bounds");
}
}
}
}
QueueRenderSystemOp(finalState, new RSQuadOperation(this, pass.Identifier, localMat));
break;
}
}
}
protected void ClearCompiledState()
{
renderSystemOperations.Clear();
compiledState.Clear();
outputOperation = new CompositorTargetOperation(null);
}
///<summary>
/// Collect rendering passes. Here, passes are converted into render target operations
/// and queued with queueRenderSystemOp.
///</summary>
protected void CollectPasses(CompositorTargetOperation finalState, CompositionTargetPass target)
{
/// Here, passes are converted into render target operations
Pass targetpass;
Technique srctech;
Material srcmat;
foreach (CompositionPass pass in target.Passes) {
switch(pass.Type) {
case CompositorPassType.Clear:
QueueRenderSystemOp(finalState, new RSClearOperation(
pass.ClearBuffers,
pass.ClearColor,
pass.ClearDepth,
pass.ClearStencil));
break;
case CompositorPassType.Stencil:
QueueRenderSystemOp(finalState, new RSStencilOperation(
pass.StencilCheck, pass.StencilFunc, pass.StencilRefValue,
pass.StencilMask, pass.StencilFailOp, pass.StencilDepthFailOp,
pass.StencilPassOp, pass.StencilTwoSidedOperation
));
break;
case CompositorPassType.RenderScene:
if((int)pass.FirstRenderQueue < (int)finalState.CurrentQueueGroupID) {
/// Mismatch -- warn user
/// XXX We could support repeating the last queue, with some effort
LogManager.Instance.Write("Warning in compilation of Compositor "
+ compositor.Name + ": Attempt to render queue " +
pass.FirstRenderQueue + " before "+
finalState.CurrentQueueGroupID);
}
/// Add render queues
for(RenderQueueGroupID x=pass.FirstRenderQueue; x<=pass.LastRenderQueue; ++x) {
Debug.Assert(x>=0);
finalState.RenderQueues[(int)x] = true;
}
finalState.CurrentQueueGroupID = (RenderQueueGroupID)((int)pass.LastRenderQueue + 1);
finalState.FindVisibleObjects = true;
finalState.MaterialScheme = target.MaterialScheme;
break;
case CompositorPassType.RenderQuad:
srcmat = pass.Material;
if(srcmat == null) {
/// No material -- warn user
LogManager.Instance.Write("Warning in compilation of Compositor "
+ compositor.Name + ": No material defined for composition pass");
break;
}
srcmat.Load();
if(srcmat.SupportedTechniques.Count == 0) {
/// No supported techniques -- warn user
LogManager.Instance.Write("Warning in compilation of Compositor "
+ compositor.Name + ": material " + srcmat.Name + " has no supported techniques");
break;
}
srctech = srcmat.GetBestTechnique(0);
/// Create local material
Material localMat = CreateLocalMaterial();
/// Copy and adapt passes from source material
for (int i=0; i<srctech.NumPasses; i++) {
Pass srcpass = srctech.GetPass(i);
/// Create new target pass
targetpass = localMat.GetTechnique(0).CreatePass();
srcpass.CopyTo(targetpass);
/// Set up inputs
int numInputs = pass.GetNumInputs();
for (int x = 0; x < numInputs; x++) {
string inp = pass.Inputs[x];
if (inp != string.Empty) {
if (x < targetpass.NumTextureUnitStages)
targetpass.GetTextureUnitState(x).SetTextureName(GetSourceForTex(inp));
else {
/// Texture unit not there
LogManager.Instance.Write("Warning in compilation of Compositor "
+ compositor.Name + ": material " + srcmat.Name + " texture unit "
+ x + " out of bounds");
}
}
}
}
QueueRenderSystemOp(finalState, new RSQuadOperation(this, pass.Identifier, localMat));
break;
}
}
}
///<summary>
/// Queue a render system operation.
///</summary>
///<returns>destination pass</return>
protected void QueueRenderSystemOp(CompositorTargetOperation finalState, CompositorRenderSystemOperation op)
{
/// Store operation for current QueueGroup ID
finalState.RenderSystemOperations.Add(new QueueIDAndOperation(finalState.CurrentQueueGroupID, op));
/// Save a pointer, so that it will be freed on recompile
chain.RenderSystemOperations.Add(op);
}
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);
}
