FGFS-4.1/OpenSceneGraph
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Changed the generation of primtive set to use DrawElementsUShort for even

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index sets that can be represented by UBytes, thisis to try to keep to
fast paths more likely to be supported by graphics drivers.
This commit is contained in:
Robert Osfield 2004-07-01 14:27:22 +00:00
parent a0eead991f
commit 2598b02243
1 changed files with 2 additions and 15 deletions
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17
src/osgUtil/TriStripVisitor.cpp
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@ -472,18 +472,12 @@ void TriStripVisitor::stripify(Geometry& geom)
std::copy(indices.begin(),indices.end(),std::back_inserter(*elements));
new_primitives.push_back(elements);
}
else if (maxValue>=256)
else
{
osg::DrawElementsUShort* elements = new osg::DrawElementsUShort(GL_QUADS);
std::copy(indices.begin(),indices.end(),std::back_inserter(*elements));
new_primitives.push_back(elements);
}
else
{
osg::DrawElementsUByte* elements = new osg::DrawElementsUByte(GL_QUADS);
std::copy(indices.begin(),indices.end(),std::back_inserter(*elements));
new_primitives.push_back(elements);
}
}
}
}
@ -519,16 +513,9 @@ void TriStripVisitor::stripify(Geometry& geom)
std::copy(pitr->m_Indices.begin(),pitr->m_Indices.end(),std::back_inserter(*elements));
new_primitives.push_back(elements);
}
else if (maxValue>=256)
{
osg::DrawElementsUShort* elements = new osg::DrawElementsUShort(pitr->m_Type);
elements->reserve(pitr->m_Indices.size());
std::copy(pitr->m_Indices.begin(),pitr->m_Indices.end(),std::back_inserter(*elements));
new_primitives.push_back(elements);
}
else
{
osg::DrawElementsUByte* elements = new osg::DrawElementsUByte(pitr->m_Type);
osg::DrawElementsUShort* elements = new osg::DrawElementsUShort(pitr->m_Type);
elements->reserve(pitr->m_Indices.size());
std::copy(pitr->m_Indices.begin(),pitr->m_Indices.end(),std::back_inserter(*elements));
new_primitives.push_back(elements);