FGFS-4.1/OpenSceneGraph
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Added Optimizer::BufferObjectVisitor and associated BUFFER_OBJECT_SETTINGS value to enable it via the OSG_OPTIMZIER env var.

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The BufferObjectVisitor enbales vertex buffer objects usage on Drawable in the scene graph.
This commit is contained in:
Robert Osfield
2016-07-11 09:52:07 +01:00
parent 51f85f4c94
commit fd0af1d9df
2 changed files with 62 additions and 2 deletions
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26
include/osgUtil/Optimizer
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@@ -88,6 +88,7 @@ class OSGUTIL_EXPORT Optimizer
INDEX_MESH = (1 << 18),
VERTEX_POSTTRANSFORM = (1 << 19),
VERTEX_PRETRANSFORM = (1 << 20),
BUFFER_OBJECT_SETTINGS = (1 << 21),
DEFAULT_OPTIMIZATIONS = FLATTEN_STATIC_TRANSFORMS |
REMOVE_REDUNDANT_NODES |
REMOVE_LOADED_PROXY_NODES |
@@ -112,7 +113,8 @@ class OSGUTIL_EXPORT Optimizer
TRISTRIP_GEOMETRY |
OPTIMIZE_TEXTURE_SETTINGS |
TEXTURE_ATLAS_BUILDER |
STATIC_OBJECT_DETECTION
STATIC_OBJECT_DETECTION |
BUFFER_OBJECT_SETTINGS
};
/** Reset internal data to initial state - the getPermissibleOptionsMap is cleared.*/
@@ -858,6 +860,28 @@ class OSGUTIL_EXPORT Optimizer
void applyDrawable(osg::Drawable& drawable);
};
/** For all geometry apply settings.*/
class OSGUTIL_EXPORT BufferObjectVisitor : public BaseOptimizerVisitor
{
public:
BufferObjectVisitor(bool changeVBO, bool valueVBO,
bool changeVertexArrayObject, bool valueVertexArrayObject,
bool changeDisplayList, bool valueDisplayList,
Optimizer* optimizer=0):
BaseOptimizerVisitor(optimizer, BUFFER_OBJECT_SETTINGS),
_changeVertexBufferObject(changeVBO), _valueVertexBufferObject(valueVBO),
_changeVertexArrayObject(changeVertexArrayObject), _valueVertexArrayObject(valueVertexArrayObject),
_changeDisplayList(changeDisplayList), _valueDisplayList(valueDisplayList) {}
virtual void apply(osg::Geometry& geometry);
bool _changeVertexBufferObject, _valueVertexBufferObject;
bool _changeVertexArrayObject, _valueVertexArrayObject;
bool _changeDisplayList, _valueDisplayList;
};
};
inline bool BaseOptimizerVisitor::isOperationPermissibleForObject(const osg::StateSet* object) const