FGFS-4.1/OpenSceneGraph
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Added support into osgProducer::Viewer for flushing and compiling GL objects

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via a Producer post swap callback.
This commit is contained in:
Robert Osfield
2004-01-05 13:40:36 +00:00
parent 042644df13
commit f230f5a132
3 changed files with 68 additions and 13 deletions
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31
src/osgUtil/SceneView.cpp
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@@ -59,6 +59,7 @@ SceneView::SceneView(DisplaySettings* ds)
_drawBufferValue = GL_BACK;
_requiresFlush = true;
}
@@ -612,6 +613,17 @@ void SceneView::cullStage(const osg::Matrixd& projection,const osg::Matrixd& mod
}
void SceneView::flushDeletedGLObjects(double& availableTime)
{
_requiresFlush = false;
double currentTime = _state->getFrameStamp()?_state->getFrameStamp()->getReferenceTime():0.0;
osg::Texture::flushTextureObjects(_state->getContextID(),currentTime,availableTime);
osg::Drawable::flushDeletedDisplayLists(_state->getContextID(),currentTime,availableTime);
osg::Drawable::flushDeletedVertexBufferObjects(_state->getContextID(),currentTime,availableTime);
osg::VertexProgram::flushDeletedVertexProgramObjects(_state->getContextID(),currentTime,availableTime);
osg::FragmentProgram::flushDeletedFragmentProgramObjects(_state->getContextID(),currentTime,availableTime);
}
void SceneView::draw()
{
@@ -621,19 +633,14 @@ void SceneView::draw()
// context for when the object were originally created. Here we know what
// context we are in so can flush the appropriate caches.
//static osg::Timer timer;
//osg::Timer_t tstart = timer.tick();
double currentTime = _state->getFrameStamp()?_state->getFrameStamp()->getReferenceTime():0.0;
double availableTime = 0.005; // 5 ms.
osg::Drawable::flushDeletedDisplayLists(_state->getContextID(),currentTime,availableTime);
osg::Drawable::flushDeletedVertexBufferObjects(_state->getContextID(),currentTime,availableTime);
osg::VertexProgram::flushDeletedVertexProgramObjects(_state->getContextID(),currentTime,availableTime);
osg::FragmentProgram::flushDeletedFragmentProgramObjects(_state->getContextID(),currentTime,availableTime);
osg::Texture::flushTextureObjects(_state->getContextID(),currentTime,availableTime);
if (_requiresFlush)
{
double availableTime = 0.005;
flushDeletedGLObjects(availableTime);
}
//osg::Timer_t tend = timer.tick();
//std::cout<<"time to flush rendering objects"<<timer.delta_m(tstart,tend)<<std::endl;
// assume the the draw which is about to happen could generate GL objects that need flushing in the next frame.
_requiresFlush = true;
_state->setInitialViewMatrix(new osg::RefMatrix(_viewMatrix));