DD::Image::SourceGeomOp::SourceEngine Class Reference

The type for missing parent prims we create. More...

Inherits DD::Image::GeomOpEngine.

Protected Member Functions
	SourceEngine (Op *parent)
SourceGeomOp *	sourceGeomOp () const
void	processScenegraph (usg::GeomSceneContext &context) override
void	editComposedStage (usg::GeomSceneContext &context) override
virtual void	createPrims (usg::GeomSceneContext &context, const usg::Path &path)=0
	Returns the parent prim created by the engine (if any). You can access this in createPrims(). More...
usg::Prim &	parentPrim ()

Protected Attributes
usg::GeomStateTarget	materialTopologyTarget
	'material-topology' - affects the define-geometry target
usg::GeomStateTarget	materialPropertyTarget
	'material-property' - affects the edit-stage target
usg::GeomStateTarget	modifyXformTarget
	'modify-xform' - affects the modify-values target
usg::Token	_parentPrimType
	The type of prim to create for the main prim's parent (default Xform)
usg::Prim	_parentPrim
	The parent prim created by the engine (if any)

Detailed Description

The type for missing parent prims we create.

The plugin author must at least implement the createPrims() method.

Member Function Documentation

void SourceGeomOp::SourceEngine::processScenegraph ( usg::GeomSceneContext &  context )

overrideprotected

Initializes the scene state then calls the subclass createPrims().

References _parentPrim, _parentPrimType, createPrims(), DD::Image::Op::iop(), DD::Image::SourceGeomOp::materialInput(), DD::Image::SourceGeomOp::mergeInput(), and DD::Image::Op::nodeFullPath().

void SourceGeomOp::SourceEngine::editComposedStage ( usg::GeomSceneContext &  context )

overrideprotected

Updates the shader attribs for the output frame and view.

References DD::Image::Op::iop(), and DD::Image::SourceGeomOp::materialInput().

virtual void DD::Image::SourceGeomOp::SourceEngine::createPrims ( usg::GeomSceneContext &  context, const usg::Path &  path  )

protectedpure virtual

Returns the parent prim created by the engine (if any). You can access this in createPrims().

Subclasses implement this to create primitives. context is the scene context path is the suggested path for the new prims. If an Xform or Scope parent prim was created this will be the path of that prim and and subclasses must append a new path component for prims they create.

Referenced by processScenegraph().