NAME

       SoGLLazyElement -

       The SoGLLazyElement class is meant to optimize GL rendering.

       This is just a wrap-around implementation for compatibility. It should (hopefully) work in
       the same way as the Inventor class though.

SYNOPSIS

       #include <Inventor/elements/SoGLLazyElement.h>

       Inherits SoLazyElement.

   Public Member Functions
       virtual void init (SoState *state)
       virtual void push (SoState *state)
       virtual void pop (SoState *state, const SoElement *prevtopelement)
       void sendDiffuseByIndex (const int index) const
           FIXME: write doc.
       void send (const SoState *state, uint32_t mask) const
           FIXME: write doc.
       void sendVPPacked (SoState *state, const unsigned char *pcolor)
           FIXME: write doc.
       void reset (SoState *state, uint32_t bitmask) const
       virtual void setDiffuseElt (SoNode *, int32_t numcolors, const SbColor *colors,
           SoColorPacker *packer)
       virtual void setPackedElt (SoNode *node, int32_t numcolors, const uint32_t *colors, const
           SbBool packedtransparency)
       virtual void setColorIndexElt (SoNode *node, int32_t numindices, const int32_t *indices)
       virtual void setTranspElt (SoNode *node, int32_t numtransp, const float *transp,
           SoColorPacker *packer)
       virtual void setTranspTypeElt (int32_t type)
       virtual void setAmbientElt (const SbColor *color)
       virtual void setEmissiveElt (const SbColor *color)
       virtual void setSpecularElt (const SbColor *color)
       virtual void setShininessElt (float value)
       virtual void setColorMaterialElt (SbBool value)
       virtual void enableBlendingElt (int sfactor, int dfactor, int alpha_sfactor, int
           alpha_dfactor)
       virtual void disableBlendingElt (void)
       virtual void setLightModelElt (SoState *state, int32_t model)
       virtual void setMaterialElt (SoNode *node, uint32_t bitmask, SoColorPacker *packer, const
           SbColor *diffuse, const int numdiffuse, const float *transp, const int numtransp,
           const SbColor &ambient, const SbColor &emissive, const SbColor &specular, const float
           shininess, const SbBool istransparent)
       virtual void setVertexOrderingElt (VertexOrdering ordering)
       virtual void setBackfaceCullingElt (SbBool onoff)
       virtual void setTwosideLightingElt (SbBool onoff)
       virtual void setShadeModelElt (SbBool flatshading)
       virtual void setAlphaTestElt (int func, float value)
       void updateColorVBO (SoVBO *vbo)

   Static Public Member Functions
       static SoType getClassTypeId (void)
       static int getClassStackIndex (void)
       static void * createInstance (void)
       static void initClass ()
       static void sendAllMaterial (SoState *state)
           FIXME: write doc.
       static void sendNoMaterial (SoState *state)
           FIXME: write doc.
       static void sendOnlyDiffuseColor (SoState *state)
           FIXME: write doc.
       static void sendLightModel (SoState *state, const int32_t model)
       static void sendPackedDiffuse (SoState *state, const uint32_t diffuse)
       static void sendFlatshading (SoState *state, const SbBool onoff)
       static void sendVertexOrdering (SoState *state, const VertexOrdering ordering)
       static void sendTwosideLighting (SoState *state, const SbBool onoff)
       static void sendBackfaceCulling (SoState *state, const SbBool onoff)
       static SbBool isColorIndex (SoState *state)
           FIXME: write doc.
       static SoGLLazyElement * getInstance (const SoState *state)
           FIXME: write doc.
       static void beginCaching (SoState *state, SoGLLazyElement::GLState *prestate,
           SoGLLazyElement::GLState *poststate)
       static void endCaching (SoState *state)
       static SbBool preCacheCall (const SoState *state, const SoGLLazyElement::GLState
           *prestate)
       static void postCacheCall (const SoState *state, const SoGLLazyElement::GLState
           *poststate)
       static void mergeCacheInfo (SoState *state, SoGLLazyElement::GLState *childprestate,
           SoGLLazyElement::GLState *childpoststate)

   Protected Member Functions
       virtual void lazyDidSet (uint32_t mask)
       virtual void lazyDidntSet (uint32_t mask)

   Additional Inherited Members

Detailed Description

       The SoGLLazyElement class is meant to optimize GL rendering.

       This is just a wrap-around implementation for compatibility. It should (hopefully) work in
       the same way as the Inventor class though.

Member Function Documentation

   void * SoGLLazyElement::createInstance (void) [static]
       This API member is considered internal to the library, as it is not likely to be of
       interest to the application programmer.

   void SoGLLazyElement::initClass (void) [static]
       This static method initializes static data for the SoDiffuseColorElement class.

   void SoGLLazyElement::init (SoState *state) [virtual]
       This function initializes the element type in the given SoState. It is called for the
       first element of each enabled element type in SoState objects.

       Reimplemented from SoLazyElement.

   void SoGLLazyElement::push (SoState *state) [virtual]
       This method is called every time a new element is required in one of the stacks. This
       happens when a writable element is requested, using SoState::getElement() or indirectly
       SoElement::getElement(), and the depth of the current element is less than the state
       depth.

       Override this method if your element needs to copy data from the previous top of stack.
       The push() method is called on the new element, and the previous element can be found
       using SoElement::getNextInStack().

       Reimplemented from SoLazyElement.

   void SoGLLazyElement::pop (SoState *state, const SoElement *prevTopElement) [virtual]
       This method is callled when the state is popped, and the depth of the element is bigger
       than the current state depth. pop() is called on the new top of stack, and a pointer to
       the previous top of stack is passed in prevTopElement.

       Override this method if you need to copy some state information from the previous top of
       stack.

       Reimplemented from SoElement.

   void SoGLLazyElement::reset (SoState *stateptr, uint32_tmask) const
       Reset element GL state (set state to invalid). Use this method to notify this element when
       you use your own GL code that changes the OpenGL state.

   void SoGLLazyElement::mergeCacheInfo (SoState *state, SoGLLazyElement::GLState *childprestate,
       SoGLLazyElement::GLState *childpoststate) [static]
       Merge cache info from a child cache (when doing nested caching) into the current cache.

Author

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