SoGLRenderCache(3) The SoGLRenderCache class is used to cache OpenGL calls.


#include <Inventor/caches/SoGLRenderCache.h>

Inherits SoCache.

Public Member Functions

SoGLRenderCache (SoState *state)

virtual ~SoGLRenderCache ()

void open (SoState *state)

void close (void)

void call (SoState *state)

int getCacheContext (void) const

virtual SbBool isValid (const SoState *state) const

virtual void addNestedCache (SoGLDisplayList *child)

SoGLLazyElement::GLState * getPreLazyState (void)

SoGLLazyElement::GLState * getPostLazyState (void)

Protected Member Functions

virtual void destroy (SoState *state)

Detailed Description

The SoGLRenderCache class is used to cache OpenGL calls.

Constructor & Destructor Documentation

SoGLRenderCache::SoGLRenderCache (SoState *state)

Constructor with state being the current state.

SoGLRenderCache::~SoGLRenderCache () [virtual]


Member Function Documentation

void SoGLRenderCache::open (SoState *state)

Opens the cache. All GL calls will be cached until close() is called.

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void SoGLRenderCache::close (void)

Closes the cache. Should be called after all GL calls.

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void SoGLRenderCache::call (SoState *state)

Executes the cached display list.

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int SoGLRenderCache::getCacheContext (void) const

Returns the cache context of this cache. This is used to quickly determine if cache can be used for a state.

This method is an extension versus the Open Inventor API.

SbBool SoGLRenderCache::isValid (const SoState *state) const [virtual]

Return TRUE if this cache is valid, FALSE otherwise.

Reimplemented from SoCache.

void SoGLRenderCache::addNestedCache (SoGLDisplayList *child) [virtual]

Adds a display list which is called from this cache. This is to make sure the child display list isn't destroyed too early.

void SoGLRenderCache::destroy (SoState *state) [protected], [virtual]

Can be overridden by subclasses to clean up before they are deleted. Default method does nothing.

Reimplemented from SoCache.


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