OpenSceneGraph/src/osgFX/Validator.cpp
2010-05-28 16:04:56 +00:00

48 lines
1.1 KiB
C++

#include <osgFX/Validator>
#include <osgFX/Effect>
#include <osg/Notify>
using namespace osgFX;
Validator::Validator()
: osg::StateAttribute(),
_effect(0)
{
}
Validator::Validator(Effect* effect)
: osg::StateAttribute(),
_effect(effect)
{
}
Validator::Validator(const Validator& copy, const osg::CopyOp& copyop)
: osg::StateAttribute(copy, copyop),
_effect(static_cast<Effect*>(copyop(copy._effect)))
{
}
void Validator::compileGLObjects(osg::State& state) const
{
apply(state);
}
void Validator::apply(osg::State& state) const
{
if (!_effect) return;
if (_effect->_tech_selected[state.getContextID()] == 0) {
Effect::Technique_list::iterator i;
int j = 0;
for (i=_effect->_techs.begin(); i!=_effect->_techs.end(); ++i, ++j) {
if ((*i)->validate(state)) {
_effect->_sel_tech[state.getContextID()] = j;
_effect->_tech_selected[state.getContextID()] = 1;
return;
}
}
OSG_WARN << "Warning: osgFX::Validator: could not find any techniques compatible with the current OpenGL context" << std::endl;
}
}