GLBufferObject* GLBufferObjectManager::generateGLBufferObject(const BufferObject* bufferObject)
{
ElapsedTime elapsedTime(&(getGenerateTime()));
++getNumberGenerated();
BufferObjectProfile profile(bufferObject->getTarget(), bufferObject->getUsage(), bufferObject->computeRequiredBufferSize());
// OSG_NOTIFY(osg::NOTICE)<<"GLBufferObjectManager::generateGLBufferObject size="<<bufferObject->computeRequiredBufferSize()<<std::endl;
GLBufferObjectSet* glbos = getGLBufferObjectSet(profile);
return glbos->takeOrGenerate(const_cast<BufferObject*>(bufferObject));
}
osg::ref_ptr<GLBufferObject> GLBufferObjectManager::generateGLBufferObject(const BufferObject* bufferObject)
{
ElapsedTime elapsedTime(&(getGenerateTime()));
++getNumberGenerated();
unsigned int requiredBufferSize = osg::maximum(bufferObject->computeRequiredBufferSize(), bufferObject->getProfile()._size);
BufferObjectProfile profile(bufferObject->getTarget(), bufferObject->getUsage(), requiredBufferSize);
// OSG_NOTICE<<"GLBufferObjectManager::generateGLBufferObject size="<<requiredBufferSize<<std::endl;
GLBufferObjectSet* glbos = getGLBufferObjectSet(profile);
return glbos->takeOrGenerate(const_cast<BufferObject*>(bufferObject));
}
void BufferObject::deleteBufferObject(unsigned int contextID,GLuint globj)
{
// implement deleteBufferObject for backwards compatibility by adding
// a GLBufferObject for the globj id to BufferObjectManager/Set for the specified context.
osg::ref_ptr<GLBufferObjectManager>& bufferObjectManager = GLBufferObjectManager::getGLBufferObjectManager(contextID);
if (!bufferObjectManager)
{
OSG_NOTIFY(osg::NOTICE)<<"Warning::BufferObject::deleteBufferObject("<<contextID<<", "<<globj<<") unable to get GLBufferObjectManager for context."<<std::endl;
return;
}
osg::ref_ptr<GLBufferObject> glBufferObject = new GLBufferObject(contextID, 0, globj);
GLBufferObjectSet* bufferObjectSet = bufferObjectManager->getGLBufferObjectSet(glBufferObject->getProfile());
if (!bufferObjectSet)
{
OSG_NOTIFY(osg::NOTICE)<<"Warning::BufferObject::deleteBufferObject("<<contextID<<", "<<globj<<") unable to get GLBufferObjectSet for context."<<std::endl;
return;
}
// do the adding of the wrapper buffer object.
bufferObjectSet->orphan(glBufferObject.get());
}
