FGFS-4.1/OpenSceneGraph
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Updates to the flush rendering objects function calls to allow for

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managment of amount of time available to do gl delete's.  This control is
required for constant frame rate applications.
This commit is contained in:
Robert Osfield
2003-07-15 21:19:03 +00:00
parent 0c4a66c85e
commit 82008d5ecd
13 changed files with 57 additions and 35 deletions
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20
src/osgUtil/SceneView.cpp
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@@ -14,6 +14,7 @@
#include <osgUtil/UpdateVisitor>
#include <osgUtil/DisplayListVisitor>
#include <osg/Timer>
#include <osg/Notify>
#include <osg/Texture>
#include <osg/VertexProgram>
@@ -536,13 +537,20 @@ void SceneView::draw()
// and texture objects is deferred until the OpenGL context is the correct
// context for when the object were originally created. Here we know what
// context we are in so can flush the appropriate caches.
osg::Drawable::flushDeletedDisplayLists(_state->getContextID());
osg::Drawable::flushDeletedVertexBufferObjects(_state->getContextID());
osg::VertexProgram::flushDeletedVertexProgramObjects(_state->getContextID());
//static osg::Timer timer;
//osg::Timer_t tstart = timer.tick();
double currentTime = _state->getFrameStamp()?_state->getFrameStamp()->getReferenceTime():0.0;
osg::Texture::getTextureObjectManager()->deleteTextureObjects(_state->getContextID(),currentTime);
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::Texture::flushTextureObjects(_state->getContextID(),currentTime,availableTime);
//osg::Timer_t tend = timer.tick();
//std::cout<<"time to flush rendering objects"<<timer.delta_m(tstart,tend)<<std::endl;
RenderLeaf* previous = NULL;
if (_displaySettings.valid() && _displaySettings->getStereo())