597 lines
29 KiB
C++
597 lines
29 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2008 Robert Osfield
|
|
*
|
|
* This library is open source and may be redistributed and/or modified under
|
|
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
|
|
* (at your option) any later version. The full license is in LICENSE file
|
|
* included with this distribution, and on the openscenegraph.org website.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* OpenSceneGraph Public License for more details.
|
|
*/
|
|
|
|
#ifndef OSG_STATESET
|
|
#define OSG_STATESET 1
|
|
|
|
#include <osg/Object>
|
|
#include <osg/StateAttribute>
|
|
#include <osg/ref_ptr>
|
|
#include <osg/Uniform>
|
|
|
|
#include <map>
|
|
#include <vector>
|
|
#include <string>
|
|
|
|
#ifndef GL_RESCALE_NORMAL
|
|
// allow compilation against GL1.1 headers.
|
|
#define GL_RESCALE_NORMAL 0x803A
|
|
#endif
|
|
|
|
namespace osg {
|
|
|
|
// forward declare for the purposes of the UpdateCallback.
|
|
class NodeVisitor;
|
|
|
|
/** Stores a set of modes and attributes which represent a set of OpenGL state.
|
|
* Notice that a \c StateSet contains just a subset of the whole OpenGL state.
|
|
* <p>In OSG, each \c Drawable and each \c Node has a reference to a
|
|
* \c StateSet. These <tt>StateSet</tt>s can be shared between
|
|
* different <tt>Drawable</tt>s and <tt>Node</tt>s (that is, several
|
|
* <tt>Drawable</tt>s and <tt>Node</tt>s can reference the same \c StateSet).
|
|
* Indeed, this practice is recommended whenever possible,
|
|
* as this minimizes expensive state changes in the graphics pipeline.
|
|
*/
|
|
class OSG_EXPORT StateSet : public Object
|
|
{
|
|
public :
|
|
|
|
|
|
StateSet();
|
|
StateSet(const StateSet&,const CopyOp& copyop=CopyOp::SHALLOW_COPY);
|
|
|
|
virtual Object* cloneType() const { return new StateSet(); }
|
|
virtual Object* clone(const CopyOp& copyop) const { return new StateSet(*this,copyop); }
|
|
virtual bool isSameKindAs(const Object* obj) const { return dynamic_cast<const StateSet*>(obj)!=NULL; }
|
|
virtual const char* libraryName() const { return "osg"; }
|
|
virtual const char* className() const { return "StateSet"; }
|
|
|
|
/** return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs.*/
|
|
int compare(const StateSet& rhs,bool compareAttributeContents=false) const;
|
|
|
|
bool operator < (const StateSet& rhs) const { return compare(rhs)<0; }
|
|
bool operator == (const StateSet& rhs) const { return compare(rhs)==0; }
|
|
bool operator != (const StateSet& rhs) const { return compare(rhs)!=0; }
|
|
|
|
/** Convert 'this' into a StateSet pointer if Object is a StateSet, otherwise return 0.
|
|
* Equivalent to dynamic_cast<StateSet*>(this).*/
|
|
virtual StateSet* asStateSet() { return this; }
|
|
|
|
/** convert 'const this' into a const StateSet pointer if Object is a StateSet, otherwise return 0.
|
|
* Equivalent to dynamic_cast<const StateSet*>(this).*/
|
|
virtual const StateSet* asStateSet() const { return this; }
|
|
|
|
|
|
/** A vector of osg::Object pointers which is used to store the parent(s) of this Stateset, the parents could be osg::Node or osg::Drawable.*/
|
|
typedef std::vector<Node*> ParentList;
|
|
|
|
/** Get the parent list of this StateSet. */
|
|
inline const ParentList& getParents() const { return _parents; }
|
|
|
|
/** Get the a copy of parent list of node. A copy is returned to
|
|
* prevent modification of the parent list.*/
|
|
inline ParentList getParents() { return _parents; }
|
|
|
|
inline Node* getParent(unsigned int i) { return _parents[i]; }
|
|
/**
|
|
* Get a single const parent of this StateSet.
|
|
* @param i index of the parent to get.
|
|
* @return the parent i.
|
|
*/
|
|
inline const Node* getParent(unsigned int i) const { return _parents[i]; }
|
|
|
|
/**
|
|
* Get the number of parents of this StateSet.
|
|
* @return the number of parents of this StateSet.
|
|
*/
|
|
inline unsigned int getNumParents() const { return static_cast<unsigned int>(_parents.size()); }
|
|
|
|
|
|
/** Compute the DataVariance based on an assessment of callback etc.*/
|
|
virtual void computeDataVariance();
|
|
|
|
|
|
/** Set all the modes to on or off so that it defines a
|
|
complete state, typically used for a default global state.*/
|
|
void setGlobalDefaults();
|
|
|
|
/** Clear the StateSet of all modes and attributes.*/
|
|
void clear();
|
|
|
|
/** Merge this \c StateSet with the \c StateSet passed as parameter.
|
|
* Every mode and attribute in this \c StateSet that is marked with
|
|
* \c StateAttribute::OVERRIDE is replaced with the
|
|
* equivalent mode or attribute from \c rhs.
|
|
*/
|
|
void merge(const StateSet& rhs);
|
|
|
|
/** a container to map GLModes to their respective GLModeValues.*/
|
|
typedef std::map<StateAttribute::GLMode,StateAttribute::GLModeValue> ModeList;
|
|
|
|
/** Set this \c StateSet to contain the specified \c GLMode with a given
|
|
* value.
|
|
* @note Don't use this method to set modes related to textures. For this
|
|
* purpose, use \c setTextureMode(), that accepts an extra parameter
|
|
* specifying which texture unit shall be affected by the call.
|
|
*/
|
|
void setMode(StateAttribute::GLMode mode, StateAttribute::GLModeValue value);
|
|
|
|
/** Remove \c mode from this \c StateSet.
|
|
* @note Don't use this method to remove modes related to textures. For
|
|
* this purpose, use \c removeTextureMode(), that accepts an extra
|
|
* parameter specifying which texture unit shall be affected by
|
|
* the call.
|
|
*/
|
|
void removeMode(StateAttribute::GLMode mode);
|
|
|
|
/** Get the value for a given \c GLMode.
|
|
* @param mode The \c GLMode whose value is desired.
|
|
* @return If \c mode is contained within this \c StateSet, returns the
|
|
* value associated with it. Otherwise, returns
|
|
* \c StateAttribute::INHERIT.
|
|
* @note Don't use this method to get the value of modes related to
|
|
* textures. For this purpose, use \c removeTextureMode(), that
|
|
* accepts an extra parameter specifying which texture unit shall
|
|
* be affected by the call.
|
|
*/
|
|
StateAttribute::GLModeValue getMode(StateAttribute::GLMode mode) const;
|
|
|
|
/** Set the list of all <tt>GLMode</tt>s contained in this \c StateSet.*/
|
|
inline void setModeList(ModeList& ml) { _modeList=ml; }
|
|
|
|
/** Return the list of all <tt>GLMode</tt>s contained in this \c StateSet.*/
|
|
inline ModeList& getModeList() { return _modeList; }
|
|
|
|
/** Return the \c const list of all <tt>GLMode</tt>s contained in this
|
|
* <tt>const StateSet</tt>.
|
|
*/
|
|
inline const ModeList& getModeList() const { return _modeList; }
|
|
|
|
|
|
|
|
/** Simple pairing between an attribute and its override flag.*/
|
|
typedef std::pair<ref_ptr<StateAttribute>,StateAttribute::OverrideValue> RefAttributePair;
|
|
|
|
/** a container to map <StateAttribyte::Types,Member> to their respective RefAttributePair.*/
|
|
typedef std::map<StateAttribute::TypeMemberPair,RefAttributePair> AttributeList;
|
|
|
|
/** Set this StateSet to contain specified attribute and override flag.*/
|
|
void setAttribute(StateAttribute *attribute, StateAttribute::OverrideValue value=StateAttribute::OFF);
|
|
|
|
template<class T> void setAttribute(const ref_ptr<T>& attribute, StateAttribute::OverrideValue value=StateAttribute::OFF) { setAttribute(attribute.get(), value); }
|
|
|
|
/** Set this StateSet to contain specified attribute and set the associated GLMode's to specified value.*/
|
|
void setAttributeAndModes(StateAttribute *attribute, StateAttribute::GLModeValue value=StateAttribute::ON);
|
|
|
|
template<class T> void setAttributeAndModes(const ref_ptr<T>& attribute, StateAttribute::GLModeValue value=StateAttribute::ON) { setAttributeAndModes(attribute.get(), value); }
|
|
|
|
/** remove attribute of specified type from StateSet.*/
|
|
void removeAttribute(StateAttribute::Type type, unsigned int member=0);
|
|
|
|
/** remove attribute from StateSet.*/
|
|
void removeAttribute(StateAttribute *attribute);
|
|
|
|
template<class T> void removeAttribute(const ref_ptr<T>& attribute) { removeAttribute(attribute.get()); }
|
|
|
|
/** Get specified StateAttribute for specified type.
|
|
* Returns NULL if no type is contained within StateSet.*/
|
|
StateAttribute* getAttribute(StateAttribute::Type type, unsigned int member = 0);
|
|
|
|
/** Get specified const StateAttribute for specified type.
|
|
* Returns NULL if no type is contained within const StateSet.*/
|
|
const StateAttribute* getAttribute(StateAttribute::Type type, unsigned int member = 0) const;
|
|
|
|
/** Get specified RefAttributePair for specified type.
|
|
* Returns NULL if no type is contained within StateSet.*/
|
|
RefAttributePair* getAttributePair(StateAttribute::Type type, unsigned int member = 0);
|
|
|
|
/** Get specified RefAttributePair for specified type.
|
|
* Returns NULL if no type is contained within StateSet.*/
|
|
const RefAttributePair* getAttributePair(StateAttribute::Type type, unsigned int member = 0) const;
|
|
|
|
/** set the list of all StateAttributes contained in this StateSet.*/
|
|
inline void setAttributeList(AttributeList& al) { _attributeList=al; }
|
|
|
|
/** return the list of all StateAttributes contained in this StateSet.*/
|
|
inline AttributeList& getAttributeList() { return _attributeList; }
|
|
|
|
/** return the const list of all StateAttributes contained in this const StateSet.*/
|
|
inline const AttributeList& getAttributeList() const { return _attributeList; }
|
|
|
|
|
|
|
|
typedef std::vector<ModeList> TextureModeList;
|
|
|
|
/** Set this \c StateSet to contain specified \c GLMode with a given
|
|
* value.
|
|
* @param unit The texture unit to be affected (used with
|
|
* multi-texturing).
|
|
* @param mode The OpenGL mode to be added to the \c StateSet.
|
|
* @param value The value to be assigned to \c mode.
|
|
*/
|
|
void setTextureMode(unsigned int unit,StateAttribute::GLMode mode, StateAttribute::GLModeValue value);
|
|
|
|
/** Remove texture mode from StateSet.*/
|
|
void removeTextureMode(unsigned int unit,StateAttribute::GLMode mode);
|
|
|
|
/** Get specified GLModeValue for specified GLMode.
|
|
* returns INHERIT if no GLModeValue is contained within StateSet.*/
|
|
StateAttribute::GLModeValue getTextureMode(unsigned int unit,StateAttribute::GLMode mode) const;
|
|
|
|
/** set the list of all Texture related GLModes contained in this StateSet.*/
|
|
inline void setTextureModeList(TextureModeList& tml) { _textureModeList=tml; }
|
|
|
|
/** return the list of all Texture related GLModes contained in this StateSet.*/
|
|
inline TextureModeList& getTextureModeList() { return _textureModeList; }
|
|
|
|
/** return the const list of all Texture related GLModes contained in this const StateSet.*/
|
|
inline const TextureModeList& getTextureModeList() const { return _textureModeList; }
|
|
|
|
/** Return the number texture units active in the TextureModeList.*/
|
|
inline unsigned int getNumTextureModeLists() const { return static_cast<unsigned int>(_textureModeList.size()); }
|
|
|
|
typedef std::vector<AttributeList> TextureAttributeList;
|
|
|
|
/** Set this StateSet to contain specified attribute and override flag.*/
|
|
void setTextureAttribute(unsigned int unit,StateAttribute *attribute, StateAttribute::OverrideValue value=StateAttribute::OFF);
|
|
|
|
template<class T> void setTextureAttribute(unsigned int unit, const ref_ptr<T>& attribute, StateAttribute::OverrideValue value=StateAttribute::OFF) { setTextureAttribute( unit, attribute.get(), value); }
|
|
|
|
/** Set this StateSet to contain specified attribute and set the associated GLMode's to specified value.*/
|
|
void setTextureAttributeAndModes(unsigned int unit,StateAttribute *attribute, StateAttribute::GLModeValue value=StateAttribute::ON);
|
|
|
|
template<class T> void setTextureAttributeAndModes(unsigned int unit, const ref_ptr<T>& attribute, StateAttribute::OverrideValue value=StateAttribute::ON) { setTextureAttributeAndModes( unit, attribute.get(), value); }
|
|
|
|
/** remove texture attribute of specified type from StateSet.*/
|
|
void removeTextureAttribute(unsigned int unit, StateAttribute::Type type);
|
|
|
|
/** remove texture attribute from StateSet.*/
|
|
void removeTextureAttribute(unsigned int unit, StateAttribute *attribute);
|
|
|
|
template<class T> void removeTextureAttribute(unsigned int unit, const ref_ptr<T>& attribute) { removeTextureAttribute(unit, attribute.get()); }
|
|
|
|
/** Get specified Texture related StateAttribute for specified type.
|
|
* Returns NULL if no type is contained within StateSet.*/
|
|
StateAttribute* getTextureAttribute(unsigned int unit, StateAttribute::Type type);
|
|
|
|
/** Get specified Texture related const StateAttribute for specified type.
|
|
* Returns NULL if no type is contained within const StateSet.*/
|
|
const StateAttribute* getTextureAttribute(unsigned int unit, StateAttribute::Type type) const;
|
|
|
|
/** Get specified Texture related RefAttributePair for specified type.
|
|
* Returns NULL if no type is contained within StateSet.*/
|
|
RefAttributePair* getTextureAttributePair(unsigned int unit, StateAttribute::Type type);
|
|
|
|
/** Get specified Texture related RefAttributePair for specified type.
|
|
* Returns NULL if no type is contained within StateSet.*/
|
|
const RefAttributePair* getTextureAttributePair(unsigned int unit, StateAttribute::Type type) const;
|
|
|
|
/** Set the list of all Texture related StateAttributes contained in this StateSet.*/
|
|
inline void setTextureAttributeList(TextureAttributeList& tal) { _textureAttributeList=tal; }
|
|
|
|
/** Return the list of all Texture related StateAttributes contained in this StateSet.*/
|
|
inline TextureAttributeList& getTextureAttributeList() { return _textureAttributeList; }
|
|
|
|
/** Return the const list of all Texture related StateAttributes contained in this const StateSet.*/
|
|
inline const TextureAttributeList& getTextureAttributeList() const { return _textureAttributeList; }
|
|
|
|
/** Return the number of texture units active in the TextureAttributeList.*/
|
|
inline unsigned int getNumTextureAttributeLists() const { return static_cast<unsigned int>(_textureAttributeList.size()); }
|
|
|
|
|
|
void setAssociatedModes(const StateAttribute* attribute, StateAttribute::GLModeValue value);
|
|
void removeAssociatedModes(const StateAttribute* attribute);
|
|
|
|
void setAssociatedTextureModes(unsigned int unit, const StateAttribute* attribute, StateAttribute::GLModeValue value);
|
|
void removeAssociatedTextureModes(unsigned int unit, const StateAttribute* attribute);
|
|
|
|
|
|
|
|
|
|
/** Simple pairing between a Uniform and its override flag.*/
|
|
typedef std::pair<ref_ptr<Uniform>,StateAttribute::OverrideValue> RefUniformPair;
|
|
|
|
/** a container to map Uniform name to its respective RefUniformPair.*/
|
|
typedef std::map<std::string,RefUniformPair> UniformList;
|
|
|
|
/** Set this StateSet to contain specified uniform and override flag.*/
|
|
void addUniform(Uniform* uniform, StateAttribute::OverrideValue value=StateAttribute::ON);
|
|
|
|
template<class T> void addUniform(const ref_ptr<T>& uniform, StateAttribute::OverrideValue value=StateAttribute::ON) { addUniform( uniform.get(), value); }
|
|
|
|
/** remove uniform of specified name from StateSet.*/
|
|
void removeUniform(const std::string& name);
|
|
|
|
/** remove Uniform from StateSet.*/
|
|
void removeUniform(Uniform* uniform);
|
|
|
|
template<class T> void removeUniform(const ref_ptr<T>& uniform) { removeUniform(uniform.get()); }
|
|
|
|
/** Get Uniform for specified name.
|
|
* Returns NULL if no matching Uniform is contained within StateSet.*/
|
|
Uniform* getUniform(const std::string& name);
|
|
|
|
/** Get Uniform for specified name, if one is not available create it, add it to this StateSet and return a pointer to it.*/
|
|
Uniform* getOrCreateUniform(const std::string& name, Uniform::Type type, unsigned int numElements=1);
|
|
|
|
/** Get const Uniform for specified name.
|
|
* Returns NULL if no matching Uniform is contained within StateSet.*/
|
|
const Uniform* getUniform(const std::string& name) const;
|
|
|
|
/** Get specified RefUniformPair for specified Uniform name.
|
|
* Returns NULL if no Uniform is contained within StateSet.*/
|
|
const RefUniformPair* getUniformPair(const std::string& name) const;
|
|
|
|
/** set the list of all Uniforms contained in this StateSet.*/
|
|
inline void setUniformList(UniformList& al) { _uniformList=al; }
|
|
|
|
/** return the list of all Uniforms contained in this StateSet.*/
|
|
inline UniformList& getUniformList() { return _uniformList; }
|
|
|
|
/** return the const list of all Uniforms contained in this const StateSet.*/
|
|
inline const UniformList& getUniformList() const { return _uniformList; }
|
|
|
|
|
|
typedef std::pair<std::string, StateAttribute::OverrideValue> DefinePair;
|
|
typedef std::map<std::string, DefinePair> DefineList;
|
|
|
|
/** Added define pass on to shaders that use utilize that define, as specified by the GLSL \#pragma import_defines(..) and \#pragma requires(..). */
|
|
void setDefine(const std::string& defineName, StateAttribute::OverrideValue value=StateAttribute::ON);
|
|
|
|
/** Added define with value to pass on to shaders that use utilize that define, as specified by the GLSL \#pragma import_defines(..) and \#pragma requires(..). */
|
|
void setDefine(const std::string& defineName, const std::string& defineValue, StateAttribute::OverrideValue value=StateAttribute::ON);
|
|
|
|
DefinePair* getDefinePair(const std::string& defineName) { DefineList::iterator itr = _defineList.find(defineName); return (itr!=_defineList.end()) ? &(itr->second) : 0; }
|
|
const DefinePair* getDefinePair(const std::string& defineName) const { DefineList::const_iterator itr = _defineList.find(defineName); return (itr!=_defineList.end()) ? &(itr->second) : 0; }
|
|
|
|
|
|
/** Remove define*/
|
|
void removeDefine(const std::string& defineName);
|
|
|
|
|
|
/** Set the list of defines to pass on to shaders.*/
|
|
void setDefineList(const DefineList& dl) { _defineList = dl; }
|
|
|
|
/** Get the list of defines to pass on to shaders.*/
|
|
DefineList& getDefineList() { return _defineList; }
|
|
|
|
/** Get the const list of defines to pass on to shaders.*/
|
|
const DefineList& getDefineList() const { return _defineList; }
|
|
|
|
|
|
|
|
enum RenderingHint
|
|
{
|
|
DEFAULT_BIN = 0,
|
|
OPAQUE_BIN = 1,
|
|
TRANSPARENT_BIN = 2
|
|
};
|
|
|
|
/** Set the \c RenderingHint of this \c StateSet. \c RenderingHint is
|
|
* used by the renderer to determine which draw bin to drop associated
|
|
* <tt>osg::Drawable</tt>s in. Typically, users will set this to either
|
|
* \c StateSet::OPAQUE_BIN or \c StateSet::TRANSPARENT_BIN.
|
|
* <tt>Drawable</tt>s in the opaque bin are sorted by their
|
|
* \c StateSet, so that the number of expensive changes in the OpenGL
|
|
* state is minimized. <tt>Drawable</tt>s in the transparent bin are
|
|
* sorted by depth, so that objects farther from the viewer are
|
|
* rendered first (and hence alpha blending works nicely for
|
|
* translucent objects).
|
|
*/
|
|
void setRenderingHint(int hint);
|
|
|
|
/** Get the \c RenderingHint of this \c StateSet.*/
|
|
inline int getRenderingHint() const { return _renderingHint; }
|
|
|
|
enum RenderBinMode
|
|
{
|
|
INHERIT_RENDERBIN_DETAILS =0,
|
|
USE_RENDERBIN_DETAILS =1,
|
|
OVERRIDE_RENDERBIN_DETAILS =2,
|
|
PROTECTED_RENDERBIN_DETAILS =4,
|
|
OVERRIDE_PROTECTED_RENDERBIN_DETAILS = OVERRIDE_RENDERBIN_DETAILS|PROTECTED_RENDERBIN_DETAILS
|
|
};
|
|
|
|
/** Set the render bin details.*/
|
|
void setRenderBinDetails(int binNum,const std::string& binName,RenderBinMode mode=USE_RENDERBIN_DETAILS);
|
|
|
|
/** Set the render bin details to inherit.*/
|
|
void setRenderBinToInherit();
|
|
|
|
/** Get whether the render bin details are set and should be used.*/
|
|
inline bool useRenderBinDetails() const { return _binMode!=INHERIT_RENDERBIN_DETAILS; }
|
|
|
|
/** Set the render bin mode.*/
|
|
inline void setRenderBinMode(RenderBinMode mode) { _binMode=mode; }
|
|
|
|
/** Get the render bin mode.*/
|
|
inline RenderBinMode getRenderBinMode() const { return _binMode; }
|
|
|
|
/** Set the render bin number.*/
|
|
inline void setBinNumber(int num) { _binNum=num; }
|
|
|
|
/** Get the render bin number.*/
|
|
inline int getBinNumber() const { return _binNum; }
|
|
|
|
/** Set the render bin name.*/
|
|
inline void setBinName(const std::string& name) { _binName=name; }
|
|
|
|
/** Get the render bin name.*/
|
|
inline const std::string& getBinName() const { return _binName; }
|
|
|
|
/** By default render bins will be nested within each other dependent
|
|
* upon where they are set in the scene graph. This can be problematic
|
|
* if a transparent render bin is attached to an opaque render bin
|
|
* which is attached to another transparent render bin as these render
|
|
* bins will be sorted separately, giving the wrong draw ordering for
|
|
* back-to-front transparency. Therefore, to prevent render bins being
|
|
* nested, call setNestRenderBins(false). */
|
|
inline void setNestRenderBins(bool val) { _nestRenderBins = val; }
|
|
|
|
/** Get whether associated RenderBin should be nested within parents RenderBin.*/
|
|
inline bool getNestRenderBins() const { return _nestRenderBins; }
|
|
|
|
|
|
struct OSG_EXPORT Callback : public virtual osg::Callback
|
|
{
|
|
Callback() {}
|
|
|
|
Callback(const Callback& org,const CopyOp& copyop):
|
|
osg::Object(org, copyop),
|
|
osg::Callback(org, copyop) {}
|
|
|
|
META_Object(osg,Callback);
|
|
|
|
/** override Callback::run() entry point to adapt to StateAttributeCallback::run(..) method.*/
|
|
virtual bool run(osg::Object* object, osg::Object* data);
|
|
|
|
/** do customized callback code.*/
|
|
virtual void operator() (StateSet*, NodeVisitor*) {}
|
|
};
|
|
|
|
/** Set the Update Callback which allows users to attach customize the updating of an object during the update traversal.*/
|
|
void setUpdateCallback(Callback* ac);
|
|
|
|
template<class T> void setUpdateCallback(const ref_ptr<T>& ac) { setUpdateCallback(ac.get()); }
|
|
|
|
/** Get the non const Update Callback.*/
|
|
Callback* getUpdateCallback() { return _updateCallback.get(); }
|
|
|
|
/** Get the const Update Callback.*/
|
|
const Callback* getUpdateCallback() const { return _updateCallback.get(); }
|
|
|
|
/** Return whether this StateSet has update callbacks associated with it, and therefore must be traversed.*/
|
|
bool requiresUpdateTraversal() const { return _updateCallback.valid() || getNumChildrenRequiringUpdateTraversal()!=0; }
|
|
|
|
/** Get the number of Objects of this StateSet which require Update traversal,
|
|
* since they have an Update Callback attached to them or their children.*/
|
|
inline unsigned int getNumChildrenRequiringUpdateTraversal() const { return _numChildrenRequiringUpdateTraversal; }
|
|
|
|
/** Run the update callbacks attached directly to this StateSet or to its children.*/
|
|
void runUpdateCallbacks(osg::NodeVisitor* nv);
|
|
|
|
|
|
/** Set the Event Callback which allows users to attach customize the updating of an object during the event traversal.*/
|
|
void setEventCallback(Callback* ac);
|
|
|
|
template<class T> void setEventCallback(const ref_ptr<T>& ec) { setEventCallback(ec.get()); }
|
|
|
|
/** Get the non const Event Callback.*/
|
|
Callback* getEventCallback() { return _eventCallback.get(); }
|
|
|
|
/** Get the const Event Callback.*/
|
|
const Callback* getEventCallback() const { return _eventCallback.get(); }
|
|
|
|
/** Return whether this StateSet has event callbacks associated with it, and therefore must be traversed.*/
|
|
bool requiresEventTraversal() const { return _eventCallback.valid() || getNumChildrenRequiringEventTraversal()!=0; }
|
|
|
|
/** Get the number of Objects of this StateSet which require Event traversal,
|
|
* since they have an Eevnt Callback attached to them or their children.*/
|
|
inline unsigned int getNumChildrenRequiringEventTraversal() const { return _numChildrenRequiringEventTraversal; }
|
|
|
|
/** Run the event callbacks attached directly to this StateSet or to its children.*/
|
|
void runEventCallbacks(osg::NodeVisitor* nv);
|
|
|
|
/** Check the modes associated with this StateSet are supported by current OpenGL drivers,
|
|
* and if not set the associated mode in osg::State to be black listed/invalid.
|
|
* Return true if all associated modes are valid.*/
|
|
bool checkValidityOfAssociatedModes(State& state) const;
|
|
|
|
/** Set whether to use a mutex to ensure ref() and unref() are thread safe.*/
|
|
virtual void setThreadSafeRefUnref(bool threadSafe);
|
|
|
|
/** call compile on all StateAttributes contained within this StateSet.*/
|
|
void compileGLObjects(State& state) const;
|
|
|
|
/** Resize any per context GLObject buffers to specified size. */
|
|
virtual void resizeGLObjectBuffers(unsigned int maxSize);
|
|
|
|
/** call release on all StateAttributes contained within this StateSet.*/
|
|
virtual void releaseGLObjects(State* state=0) const;
|
|
|
|
protected :
|
|
|
|
|
|
virtual ~StateSet();
|
|
|
|
StateSet& operator = (const StateSet&) { return *this; }
|
|
|
|
void addParent(osg::Node* object);
|
|
void removeParent(osg::Node* object);
|
|
|
|
ParentList _parents;
|
|
friend class osg::Node;
|
|
friend class osg::Drawable;
|
|
friend class osg::Uniform;
|
|
friend class osg::StateAttribute;
|
|
|
|
ModeList _modeList;
|
|
AttributeList _attributeList;
|
|
|
|
TextureModeList _textureModeList;
|
|
TextureAttributeList _textureAttributeList;
|
|
|
|
UniformList _uniformList;
|
|
DefineList _defineList;
|
|
|
|
inline ModeList& getOrCreateTextureModeList(unsigned int unit)
|
|
{
|
|
if (unit>=_textureModeList.size()) _textureModeList.resize(unit+1);
|
|
return _textureModeList[unit];
|
|
}
|
|
|
|
inline AttributeList& getOrCreateTextureAttributeList(unsigned int unit)
|
|
{
|
|
if (unit>=_textureAttributeList.size()) _textureAttributeList.resize(unit+1);
|
|
return _textureAttributeList[unit];
|
|
}
|
|
|
|
int compareModes(const ModeList& lhs, const ModeList& rhs);
|
|
int compareAttributePtrs(const AttributeList& lhs, const AttributeList& rhs);
|
|
int compareAttributeContents(const AttributeList& lhs, const AttributeList& rhs);
|
|
|
|
void setMode(ModeList& modeList,StateAttribute::GLMode mode, StateAttribute::GLModeValue value);
|
|
void setModeToInherit(ModeList& modeList, StateAttribute::GLMode mode);
|
|
StateAttribute::GLModeValue getMode(const ModeList& modeList, StateAttribute::GLMode mode) const;
|
|
|
|
void setAttribute(AttributeList& attributeList,StateAttribute *attribute, StateAttribute::OverrideValue value=StateAttribute::OFF);
|
|
|
|
StateAttribute* getAttribute(AttributeList& attributeList, StateAttribute::Type type, unsigned int member);
|
|
const StateAttribute* getAttribute(const AttributeList& attributeList, StateAttribute::Type type, unsigned int member) const;
|
|
|
|
RefAttributePair* getAttributePair(AttributeList& attributeList, StateAttribute::Type type, unsigned int member);
|
|
const RefAttributePair* getAttributePair(const AttributeList& attributeList, StateAttribute::Type type, unsigned int member) const;
|
|
|
|
int _renderingHint;
|
|
|
|
RenderBinMode _binMode;
|
|
int _binNum;
|
|
std::string _binName;
|
|
bool _nestRenderBins;
|
|
|
|
ref_ptr<Callback> _updateCallback;
|
|
unsigned int _numChildrenRequiringUpdateTraversal;
|
|
void setNumChildrenRequiringUpdateTraversal(unsigned int num);
|
|
|
|
ref_ptr<Callback> _eventCallback;
|
|
unsigned int _numChildrenRequiringEventTraversal;
|
|
void setNumChildrenRequiringEventTraversal(unsigned int num);
|
|
|
|
};
|
|
|
|
extern OSG_EXPORT bool isTextureMode(StateAttribute::GLMode mode);
|
|
|
|
}
|
|
|
|
#endif
|