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Added better stats reporting

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This commit is contained in:
Robert Osfield
2008-05-26 14:30:48 +00:00
parent bb1f6ff7c1
commit 7aac7ef381
1 changed files with 95 additions and 7 deletions
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102
examples/osgscreencapture/osgscreencapture.cpp
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@@ -63,8 +63,16 @@ class WindowCaptureCallback : public osg::Camera::DrawCallback
_width(0),
_height(0),
_currentImageIndex(0),
_currentPboIndex(0)
_currentPboIndex(0),
_reportTimingFrequency(100),
_numTimeValuesRecorded(0),
_timeForReadPixels(0.0),
_timeForFullCopy(0.0),
_timeForMemCpy(0.0)
{
_previousFrameTick = osg::Timer::instance()->tick();
if (gc->getTraits())
{
if (gc->getTraits()->alpha)
@@ -121,6 +129,11 @@ class WindowCaptureCallback : public osg::Camera::DrawCallback
}
}
void updateTimings(osg::Timer_t tick_start,
osg::Timer_t tick_afterReadPixels,
osg::Timer_t tick_afterMemCpy,
unsigned int dataSize);
void read()
{
osg::BufferObject::Extensions* ext = osg::BufferObject::getExtensions(_gc->getState()->getContextID(),true);
@@ -166,6 +179,13 @@ class WindowCaptureCallback : public osg::Camera::DrawCallback
unsigned int _currentPboIndex;
PBOBuffer _pboBuffer;
unsigned int _reportTimingFrequency;
unsigned int _numTimeValuesRecorded;
double _timeForReadPixels;
double _timeForFullCopy;
double _timeForMemCpy;
osg::Timer_t _previousFrameTick;
};
WindowCaptureCallback(Mode mode, FramePosition position, GLenum readBuffer):
@@ -210,8 +230,57 @@ class WindowCaptureCallback : public osg::Camera::DrawCallback
mutable OpenThreads::Mutex _mutex;
mutable ContextDataMap _contextDataMap;
};
void WindowCaptureCallback::ContextData::updateTimings(osg::Timer_t tick_start,
osg::Timer_t tick_afterReadPixels,
osg::Timer_t tick_afterMemCpy,
unsigned int dataSize)
{
if (!_reportTimingFrequency) return;
double timeForReadPixels = osg::Timer::instance()->delta_s(tick_start, tick_afterReadPixels);
double timeForFullCopy = osg::Timer::instance()->delta_s(tick_start, tick_afterMemCpy);
double timeForMemCpy = osg::Timer::instance()->delta_s(tick_afterReadPixels, tick_afterMemCpy);
_timeForReadPixels += timeForReadPixels;
_timeForFullCopy += timeForFullCopy;
_timeForMemCpy += timeForMemCpy;
_previousFrameTick = tick_afterMemCpy;
++_numTimeValuesRecorded;
if (_numTimeValuesRecorded==_reportTimingFrequency)
{
timeForReadPixels = _timeForReadPixels/double(_numTimeValuesRecorded);
timeForFullCopy = _timeForFullCopy/double(_numTimeValuesRecorded);
timeForMemCpy = _timeForMemCpy/double(_numTimeValuesRecorded);
_timeForReadPixels = 0.0;
_timeForFullCopy = 0.0;
_timeForMemCpy = 0.0;
_numTimeValuesRecorded = 0;
double numMPixels = double(_width * _height) / 1000000.0;
double numMb = double(dataSize) / (1024*1024);
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;
}
else
{
osg::notify(osg::NOTICE)<<"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;
}
}
}
void WindowCaptureCallback::ContextData::readPixels()
{
// std::cout<<"readPixels("<<_fileName<<" image "<<_currentImageIndex<<" "<<_currentPboIndex<<std::endl;
@@ -230,11 +299,17 @@ void WindowCaptureCallback::ContextData::readPixels()
osg::Image* image = _imageBuffer[_currentImageIndex].get();
osg::Timer_t tick_start = osg::Timer::instance()->tick();
#if 1
image->readPixels(0,0,_width,_height,
_pixelFormat,_type);
#endif
osg::Timer_t tick_afterReadPixels = osg::Timer::instance()->tick();
updateTimings(tick_start, tick_afterReadPixels, tick_afterReadPixels, image->getTotalSizeInBytes());
if (!_fileName.empty())
{
// osgDB::writeImageFile(*image, _fileName);
@@ -290,26 +365,33 @@ void WindowCaptureCallback::ContextData::singlePBO(osg::BufferObject::Extensions
ext->glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, pbo);
}
osg::Timer_t tick_start = osg::Timer::instance()->tick();
#if 1
glReadPixels(0, 0, _width, _height, _pixelFormat, _type, 0);
#endif
osg::Timer_t tick_afterReadPixels = osg::Timer::instance()->tick();
GLubyte* src = (GLubyte*)ext->glMapBuffer(GL_PIXEL_PACK_BUFFER_ARB,
GL_READ_ONLY_ARB);
if(src)
{
memcpy(image->data(), src, image->getTotalSizeInBytes());
ext->glUnmapBuffer(GL_PIXEL_PACK_BUFFER_ARB);
}
ext->glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, 0);
osg::Timer_t tick_afterMemCpy = osg::Timer::instance()->tick();
updateTimings(tick_start, tick_afterReadPixels, tick_afterMemCpy, image->getTotalSizeInBytes());
if (!_fileName.empty())
{
// osgDB::writeImageFile(*image, _fileName);
}
ext->glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, 0);
_currentImageIndex = nextImageIndex;
}
@@ -378,10 +460,14 @@ void WindowCaptureCallback::ContextData::multiPBO(osg::BufferObject::Extensions*
ext->glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, read_pbo);
}
osg::Timer_t tick_start = osg::Timer::instance()->tick();
#if 1
glReadPixels(0, 0, _width, _height, _pixelFormat, _type, 0);
#endif
osg::Timer_t tick_afterReadPixels = osg::Timer::instance()->tick();
if (doCopy)
{
@@ -389,11 +475,9 @@ void WindowCaptureCallback::ContextData::multiPBO(osg::BufferObject::Extensions*
GLubyte* src = (GLubyte*)ext->glMapBuffer(GL_PIXEL_PACK_BUFFER_ARB,
GL_READ_ONLY_ARB);
if(src)
{
// memcpy(image->data(), src, image->getTotalSizeInBytes());
memcpy(image->data(), src, image->getTotalSizeInBytes());
ext->glUnmapBuffer(GL_PIXEL_PACK_BUFFER_ARB);
}
@@ -405,6 +489,10 @@ void WindowCaptureCallback::ContextData::multiPBO(osg::BufferObject::Extensions*
ext->glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, 0);
osg::Timer_t tick_afterMemCpy = osg::Timer::instance()->tick();
updateTimings(tick_start, tick_afterReadPixels, tick_afterMemCpy, image->getTotalSizeInBytes());
_currentImageIndex = nextImageIndex;
_currentPboIndex = nextPboIndex;
}