SoGLMultiTextureCoordinateElement.h

#ifndef COIN_SOGLMULTITEXTURECOORDINATEELEMENT_H
#define COIN_SOGLMULTITEXTURECOORDINATEELEMENT_H
 
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#include <Inventor/elements/SoMultiTextureCoordinateElement.h>
 
class SoGLMultiTextureCoordinateElementP;
typedef void SoTexCoordTexgenCB(void * data);
 
class COIN_DLL_API SoGLMultiTextureCoordinateElement : public SoMultiTextureCoordinateElement {
  typedef SoMultiTextureCoordinateElement inherited;
 
  SO_ELEMENT_HEADER(SoGLMultiTextureCoordinateElement);
public:
  static void initClass(void);
protected:
  virtual ~SoGLMultiTextureCoordinateElement();
 
public:
  void init(SoState * state) override;
  void push(SoState * state) override;
  void pop(SoState * state, const SoElement * prevTopElement) override;
 
  static void setTexGen(SoState * const state, SoNode * const node,
                        const int unit,
                        SoTexCoordTexgenCB * const texgenFunc,
                        void * const texgenData = NULL,
                        SoTextureCoordinateFunctionCB * const func = NULL,
                        void * const funcData = NULL);
 
  CoordType getType(const int unit = 0) const override;
 
  static const SoGLMultiTextureCoordinateElement * getInstance(SoState * const state);
 
  void send(const int unit, const int index) const;
  void send(const int unit, const int index, const SbVec3f &c, const SbVec3f &n) const;
 
  class GLUnitData {
  public:
    GLUnitData() : texgenCB(NULL), texgenData(NULL) {}
    GLUnitData(const GLUnitData & org) : texgenCB(org.texgenCB), texgenData(org.texgenData) {}
    SoTexCoordTexgenCB * texgenCB;
    void * texgenData;
  };
 
  void initRender(const SbBool * enabled, const int maxenabled) const;
 
  // Coin-3 support
  void send(const int index) const {
    for (int i = 0; i <= this->multimax; i++) {
      if (this->multienabled[i]) {
        this->send(i, index);
      }
    }
  }
  void send(const int index, const SbVec3f &c, const SbVec3f &n) const {
    for (int i = 0; i <= this->multimax; i++) {
      if (this->multienabled[i]) {
        this->send(i, index, c, n);
      }
    }
  }
  void initMulti(SoState * state) const;
  static  void setTexGen(SoState * const state, SoNode * const node,
                         SoTexCoordTexgenCB * const texgenFunc,
                         void * const texgenData = NULL,
                         SoTextureCoordinateFunctionCB * const func = NULL,
                         void * const funcData = NULL) {
    setTexGen(state, node, 0, texgenFunc, texgenData, func, funcData);
  }
 
protected:
  virtual void setElt(const int unit,
                      SoTexCoordTexgenCB *func,
                      void *data = NULL);
 
private:
  void doCallback(const int unit) const;
  SoGLMultiTextureCoordinateElementP * pimpl;
  mutable const SbBool * multienabled;
  mutable int multimax;
};
 
#endif // !COIN_SOGLMULTITEXTURECOORDINATEELEMENT_H