FGFS-4.1/OpenSceneGraph
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This commit is contained in:
Robert Osfield 2007-01-22 11:22:37 +00:00
parent 24bc488205
commit d6ecce6f5f
4 changed files with 125 additions and 43 deletions
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36
applications/osgviewer/osgviewer.cpp
View File

@ -167,7 +167,41 @@ public:
{
if (viewer->getStats())
{
viewer->getStats()->report(osg::notify(osg::NOTICE));
osg::notify(osg::NOTICE)<<std::endl<<"Stats report:"<<std::endl;
typedef std::vector<osg::Stats*> StatsList;
StatsList statsList;
statsList.push_back(viewer->getStats());
osgViewer::Viewer::Contexts contexts;
viewer->getContexts(contexts);
for(osgViewer::Viewer::Contexts::iterator gcitr = contexts.begin();
gcitr != contexts.end();
++gcitr)
{
osg::GraphicsContext::Cameras& cameras = (*gcitr)->getCameras();
for(osg::GraphicsContext::Cameras::iterator itr = cameras.begin();
itr != cameras.end();
++itr)
{
if ((*itr)->getStats())
{
statsList.push_back((*itr)->getStats());
}
}
}
for(int i = viewer->getStats()->getEarliestFrameNumber(); i<= viewer->getStats()->getLatestFrameNumber()-1; ++i)
{
for(StatsList::iterator itr = statsList.begin();
itr != statsList.end();
++itr)
{
if (itr==statsList.begin()) (*itr)->report(osg::notify(osg::NOTICE), i);
else (*itr)->report(osg::notify(osg::NOTICE), i, " ");
}
osg::notify(osg::NOTICE)<<std::endl;
}
}
return true;
}

3
include/osg/Stats
View File

@ -46,7 +46,8 @@ class OSG_EXPORT Stats : public osg::Referenced
AttributeMap& getAttributeMap(int frameNumber);
const AttributeMap& getAttributeMap(int frameNumber) const;
void report(std::ostream& out);
void report(std::ostream& out, const char* indent=0) const ;
void report(std::ostream& out, unsigned int frameNumber, const char* indent=0) const;
protected:

22
src/osg/Stats.cpp
View File

@ -96,19 +96,35 @@ const Stats::AttributeMap& Stats::getAttributeMap(int frameNumber) const
return _attributeMapList[index];
}
void Stats::report(std::ostream& out)
void Stats::report(std::ostream& out, const char* indent) const
{
if (indent) out<<indent;
out<<"Stats "<<_name<<std::endl;
for(int i = getEarliestFrameNumber(); i<= getLatestFrameNumber(); ++i)
{
out<<" FrameNumber "<<i<<std::endl;
osg::Stats::AttributeMap& attributes = getAttributeMap(i);
for(osg::Stats::AttributeMap::iterator itr = attributes.begin();
const osg::Stats::AttributeMap& attributes = getAttributeMap(i);
for(osg::Stats::AttributeMap::const_iterator itr = attributes.begin();
itr != attributes.end();
++itr)
{
if (indent) out<<indent;
out<<" "<<itr->first<<"\t"<<itr->second<<std::endl;
}
}
}
void Stats::report(std::ostream& out, unsigned int frameNumber, const char* indent) const
{
if (indent) out<<indent;
out<<"Stats "<<_name<<" FrameNumber "<<frameNumber<<std::endl;
const osg::Stats::AttributeMap& attributes = getAttributeMap(frameNumber);
for(osg::Stats::AttributeMap::const_iterator itr = attributes.begin();
itr != attributes.end();
++itr)
{
if (indent) out<<indent;
out<<" "<<itr->first<<"\t"<<itr->second<<std::endl;
}
}

105
src/osgViewer/Viewer.cpp
View File

@ -444,10 +444,12 @@ void Viewer::getWindows(Windows& windows, bool onlyValid)
// Draw operation, that does a draw on the scene graph.
struct ViewerRenderingOperation : public osg::GraphicsOperation
{
ViewerRenderingOperation(osgUtil::SceneView* sceneView, osgDB::DatabasePager* databasePager):
ViewerRenderingOperation(osgUtil::SceneView* sceneView, osgDB::DatabasePager* databasePager, osg::Timer_t startTick):
osg::GraphicsOperation("Render",true),
_sceneView(sceneView),
_databasePager(databasePager)
_databasePager(databasePager),
_startTick(startTick),
_checkForQuery(false)
{
_sceneView->getCullVisitor()->setDatabaseRequestHandler(_databasePager.get());
}
@ -456,37 +458,64 @@ struct ViewerRenderingOperation : public osg::GraphicsOperation
{
if (!_sceneView) return;
// osg::notify(osg::NOTICE)<<"RenderingOperation"<<std::endl;
_sceneView->cull();
#if 0
osg::State* state = _sceneView->getState();
osg::Stats* stats = _sceneView->getCamera()->getStats();
osg::State* state = _sceneView->getState();
const osg::FrameStamp* fs = state->getFrameStamp();
int frameNumber = fs ? fs->getFrameNumber() : 0;
// osg::notify(osg::NOTICE)<<"Frame number "<<frameNumber<<std::endl;
osg::Timer_t beforeCullTick = osg::Timer::instance()->tick();
_sceneView->cull();
osg::Timer_t afterCullTick = osg::Timer::instance()->tick();
const osg::Drawable::Extensions* extensions = stats ? osg::Drawable::getExtensions(state->getContextID(),true) : 0;
bool aquireGPUStats = extensions && extensions->isTimerQuerySupported();
if (aquireGPUStats)
{
const osg::Drawable::Extensions* extensions = osg::Drawable::getExtensions(state->getContextID(),true);
bool aquireGPUStats = extensions->isTimerQuerySupported() && stats;
if (_checkForQuery)
{
// Wait for all results to become available
GLint available = 0;
extensions->glGetQueryObjectiv(_query, GL_QUERY_RESULT_AVAILABLE, &available);
GLuint queries[2];
GLint available = 0;
if (!available)
{
osg::notify(osg::INFO)<<"Stats not available - forcing a glFinish"<<std::endl;
glFinish();
extensions->glGetQueryObjectiv(_query, GL_QUERY_RESULT_AVAILABLE, &available);
}
// Create a query object.
extensions->glGenQueries(2, queries);
if (available)
{
GLuint64EXT timeElapsed = 0;
extensions->glGetQueryObjectui64v(_query, GL_QUERY_RESULT, &timeElapsed);
stats->setAttribute(frameNumber-1, "GPU draw time taken", double(timeElapsed)*1e-9);
}
else
{
osg::notify(osg::INFO)<<"Stats not available - query has been lost."<<std::endl;
extensions->glBeginQuery(GL_TIME_ELAPSED, queries[0]);
// regenerate the query object as it seems to have been lost
extensions->glGenQueries(1, &_query);
}
}
else
{
// Create a query object.
extensions->glGenQueries(1, &_query);
}
extensions->glBeginQuery(GL_TIME_ELAPSED, _query);
_sceneView->draw();
extensions->glEndQuery(GL_TIME_ELAPSED);
extensions->glBeginQuery(GL_TIME_ELAPSED, queries[1]);
double availableTime = 0.004; // 4 ms
if (_databasePager.valid())
{
@ -496,39 +525,41 @@ struct ViewerRenderingOperation : public osg::GraphicsOperation
extensions->glEndQuery(GL_TIME_ELAPSED);
// Wait for all results to become available
while (!available) {
extensions->glGetQueryObjectiv(queries[1], GL_QUERY_RESULT_AVAILABLE, &available);
}
GLuint64EXT timeElapsed = 0;
extensions->glGetQueryObjectui64v(queries[0], GL_QUERY_RESULT, &timeElapsed);
stats->setAttribute(state->getFrameStamp()->getFrameNumber(), "GPU draw elapsed time", double(timeElapsed)*1e-9);
extensions->glGetQueryObjectui64v(queries[1], GL_QUERY_RESULT, &timeElapsed);
stats->setAttribute(state->getFrameStamp()->getFrameNumber(), "GPU compile & flush elapsed time", double(timeElapsed)*1e-9);
_checkForQuery = true;
}
else
#endif
{
_sceneView->draw();
double availableTime = 0.004; // 4 ms
if (_databasePager.valid())
{
_databasePager->compileGLObjects(*(_sceneView->getState()), availableTime);
_databasePager->compileGLObjects(*(state), availableTime);
}
_sceneView->flushDeletedGLObjects(availableTime);
}
osg::Timer_t afterDrawTick = osg::Timer::instance()->tick();
if (stats)
{
stats->setAttribute(frameNumber, "Cull traversal start time", osg::Timer::instance()->delta_s(_startTick, beforeCullTick));
stats->setAttribute(frameNumber, "Cull traversal end time", osg::Timer::instance()->delta_s(_startTick, afterCullTick));
stats->setAttribute(frameNumber, "Cull traversal time taken", osg::Timer::instance()->delta_s(beforeCullTick, afterCullTick));
stats->setAttribute(frameNumber, "Draw traversal start time", osg::Timer::instance()->delta_s(_startTick, afterCullTick));
stats->setAttribute(frameNumber, "Draw traversal end time", osg::Timer::instance()->delta_s(_startTick, afterDrawTick));
stats->setAttribute(frameNumber, "Draw traversal time taken", osg::Timer::instance()->delta_s(afterCullTick, afterDrawTick));
}
}
osg::observer_ptr<osgUtil::SceneView> _sceneView;
osg::observer_ptr<osgDB::DatabasePager> _databasePager;
osg::observer_ptr<osgUtil::SceneView> _sceneView;
osg::observer_ptr<osgDB::DatabasePager> _databasePager;
osg::Timer_t _startTick;
bool _checkForQuery;
GLuint _query;
};
void Viewer::setUpRenderingSupport()
@ -573,7 +604,7 @@ void Viewer::setUpRenderingSupport()
if (dp) dp->setCompileGLObjectsForContextID(state->getContextID(), true);
gc->add(new ViewerRenderingOperation(sceneView, dp));
gc->add(new ViewerRenderingOperation(sceneView, dp, _startTick));
}
}