FGFS-4.1/OpenSceneGraph
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Introduce --pbuffer-only width height option, and added fps reporting to stats output

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This commit is contained in:
Robert Osfield 2008-05-26 16:25:31 +00:00
parent 57ce3f820e
commit 7592e50cde
1 changed files with 33 additions and 14 deletions
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39
examples/osgscreencapture/osgscreencapture.cpp
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@ -248,8 +248,6 @@ void WindowCaptureCallback::ContextData::updateTimings(osg::Timer_t tick_start,
_timeForFullCopy += timeForFullCopy;
_timeForMemCpy += timeForMemCpy;
_previousFrameTick = tick_afterMemCpy;
++_numTimeValuesRecorded;
if (_numTimeValuesRecorded==_reportTimingFrequency)
@ -258,6 +256,10 @@ void WindowCaptureCallback::ContextData::updateTimings(osg::Timer_t tick_start,
timeForFullCopy = _timeForFullCopy/double(_numTimeValuesRecorded);
timeForMemCpy = _timeForMemCpy/double(_numTimeValuesRecorded);
double averageFrameTime = osg::Timer::instance()->delta_s(_previousFrameTick, tick_afterMemCpy)/double(_numTimeValuesRecorded);
double fps = 1.0/averageFrameTime;
_previousFrameTick = tick_afterMemCpy;
_timeForReadPixels = 0.0;
_timeForFullCopy = 0.0;
_timeForMemCpy = 0.0;
@ -267,15 +269,18 @@ void WindowCaptureCallback::ContextData::updateTimings(osg::Timer_t tick_start,
double numMPixels = double(_width * _height) / 1000000.0;
double numMb = double(dataSize) / (1024*1024);
int prec = osg::notify(osg::NOTICE).precision(5);
if (timeForMemCpy==0.0)
{
osg::notify(osg::NOTICE)<<"Full frame copy = "<<timeForFullCopy*1000.0f<<"ms rate = "<<numMPixels / timeForFullCopy<<" Mpixel/sec, copy speed = "<<numMb / timeForFullCopy<<" Mb/sec"<<std::endl;
osg::notify(osg::NOTICE)<<"fps = "<<fps<<", full frame copy = "<<timeForFullCopy*1000.0f<<"ms rate = "<<numMPixels / timeForFullCopy<<" Mpixel/sec, copy speed = "<<numMb / timeForFullCopy<<" Mb/sec"<<std::endl;
}
else
{
osg::notify(osg::NOTICE)<<"Full frame copy = "<<timeForFullCopy*1000.0f<<"ms rate = "<<numMPixels / timeForFullCopy<<" Mpixel/sec, "<<numMb / timeForFullCopy<< " Mb/sec "<<
osg::notify(osg::NOTICE)<<"fps = "<<fps<<", full frame copy = "<<timeForFullCopy*1000.0f<<"ms rate = "<<numMPixels / timeForFullCopy<<" Mpixel/sec, "<<numMb / timeForFullCopy<< " Mb/sec "<<
"time for memcpy = "<<timeForMemCpy*1000.0<<"ms memcpy speed = "<<numMb / timeForMemCpy<<" Mb/sec"<<std::endl;
}
osg::notify(osg::NOTICE).precision(prec);
}
@ -688,8 +693,10 @@ int main(int argc, char** argv)
unsigned int width=1280;
unsigned int height=1024;
bool pbufferOnly = false;
osg::ref_ptr<osg::GraphicsContext> pbuffer;
if (arguments.read("--pbuffer",width,height))
if (arguments.read("--pbuffer",width,height) ||
(pbufferOnly = arguments.read("--pbuffer-only",width,height)))
{
osg::ref_ptr<osg::GraphicsContext::Traits> traits = new osg::GraphicsContext::Traits;
traits->x = 0;
@ -742,14 +749,9 @@ int main(int argc, char** argv)
viewer.setSceneData( loadedModel.get() );
viewer.realize();
if (pbuffer.valid())
{
viewer.stopThreading();
pbuffer->realize();
osg::ref_ptr<osg::Camera> camera = new osg::Camera;
camera->setGraphicsContext(pbuffer.get());
camera->setViewport(new osg::Viewport(0,0,width,height));
@ -758,12 +760,29 @@ int main(int argc, char** argv)
camera->setReadBuffer(buffer);
camera->setFinalDrawCallback(new WindowCaptureCallback(mode, position, readBuffer));
if (pbufferOnly)
{
viewer.addSlave(camera.get(), osg::Matrixd(), osg::Matrixd());
viewer.realize();
}
else
{
viewer.realize();
viewer.stopThreading();
pbuffer->realize();
viewer.addSlave(camera.get(), osg::Matrixd(), osg::Matrixd());
viewer.startThreading();
}
}
else
{
viewer.realize();
addCallbackToViewer(viewer, new WindowCaptureCallback(mode, position, readBuffer));
}