FGFS-4.1/OpenSceneGraph
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Added support for OpenGL mode black listing to provide better support

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for extension checking and invalidation of OpenGL modes associated with
extensions.
This commit is contained in:
Robert Osfield
2006-02-22 14:31:13 +00:00
parent bd68d96106
commit 32b929a493
10 changed files with 110 additions and 11 deletions
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21
include/osgUtil/GLObjectsVisitor
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@@ -40,7 +40,8 @@ class OSGUTIL_EXPORT GLObjectsVisitor : public osg::NodeVisitor
RELEASE_DISPLAY_LISTS = 0x10,
RELEASE_STATE_ATTRIBUTES = 0x20,
SWITCH_ON_VERTEX_BUFFER_OBJECTS = 0x40,
SWITCH_OFF_VERTEX_BUFFER_OBJECTS = 0x80
SWITCH_OFF_VERTEX_BUFFER_OBJECTS = 0x80,
CHECK_BLACK_LISTED_MODES = 0xA0
};
typedef unsigned int Mode;
@@ -50,7 +51,15 @@ class OSGUTIL_EXPORT GLObjectsVisitor : public osg::NodeVisitor
* display list/texture objects etc. Default mode is to compile
* GL objects.
*/
GLObjectsVisitor(Mode mode=COMPILE_DISPLAY_LISTS|COMPILE_STATE_ATTRIBUTES);
GLObjectsVisitor(Mode mode=COMPILE_DISPLAY_LISTS|COMPILE_STATE_ATTRIBUTES|CHECK_BLACK_LISTED_MODES);
virtual void reset()
{
_drawablesAppliedSet.clear();
_stateSetAppliedSet.clear();
}
/** Set the operational mode of what operations to do on the scene graph.*/
void setMode(Mode mode) { _mode = mode; }
@@ -84,9 +93,13 @@ class OSGUTIL_EXPORT GLObjectsVisitor : public osg::NodeVisitor
protected:
Mode _mode;
typedef std::set<osg::Drawable*> DrawableAppliedSet;
typedef std::set<osg::StateSet*> StatesSetAppliedSet;
osg::ref_ptr<osg::State> _state;
Mode _mode;
osg::ref_ptr<osg::State> _state;
DrawableAppliedSet _drawablesAppliedSet;
StatesSetAppliedSet _stateSetAppliedSet;
};