void WindowCaptureCallback::ContextData::readPixels()
{
unsigned int nextImageIndex = (_currentImageIndex+1)%_imageBuffer.size();
unsigned int nextPboIndex = _pboBuffer.empty() ? 0 : (_currentPboIndex+1)%_pboBuffer.size();
int width=0, height=0;
getSize(_gc, width, height);
if (width!=_width || _height!=height)
{
std::cout<<" Window resized "<<width<<", "<<height<<std::endl;
_width = width;
_height = height;
}
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());
_image_available = true;
_currentImageToTransfer = reinterpret_cast<osg::Image*>( image->clone ( osg::CopyOp::DEEP_COPY_ALL ) );
_currentImageIndex = nextImageIndex;
_currentPboIndex = nextPboIndex;
}
void PPMOut::isr()
{
// set the compare register with the next value
OCR1A += m_timings[m_timingPos];
// toggle pin, pins 9 and 10 will toggle themselves
if (m_port != 0)
{
*m_port |= m_mask;
}
// update position
++m_timingPos;
if (m_timingPos >= m_timingCount)
{
m_timingPos = 0;
// we're at the end of frame here, so there's plenty of time to update
updateTimings();
}
}
void WindowCaptureCallback::ContextData::readPixels()
{
// std::cout<<"readPixels("<<_fileName<<" image "<<_currentImageIndex<<" "<<_currentPboIndex<<std::endl;
unsigned int nextImageIndex = (_currentImageIndex+1)%_imageBuffer.size();
unsigned int nextPboIndex = _pboBuffer.empty() ? 0 : (_currentPboIndex+1)%_pboBuffer.size();
int width=0, height=0;
getSize(_gc, width, height);
if (width!=_width || _height!=height)
{
std::cout<<" Window resized "<<width<<", "<<height<<std::endl;
_width = width;
_height = height;
}
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);
}
_currentImageIndex = nextImageIndex;
_currentPboIndex = nextPboIndex;
}
void WindowCaptureCallback::ContextData::readPixels()
{
unsigned int nextImageIndex = (_currentImageIndex+1)%_imageBuffer.size();
unsigned int nextPboIndex = _pboBuffer.empty() ? 0 : (_currentPboIndex+1)%_pboBuffer.size();
int width=0, height=0;
getSize(_gc, width, height);
if (width!=_width || _height!=height)
{
//OSG_NOTICE<<" Window resized "<<width<<", "<<height<<std::endl;
_width = width;
_height = height;
}
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();
if (_captureOperation.valid())
{
(*_captureOperation)(*image, _index);
}
osg::Timer_t tick_afterCaptureOperation = osg::Timer::instance()->tick();
updateTimings(tick_start, tick_afterReadPixels, tick_afterReadPixels, tick_afterCaptureOperation, image->getTotalSizeInBytes());
_currentImageIndex = nextImageIndex;
_currentPboIndex = nextPboIndex;
}
void WindowCaptureCallback::ContextData::singlePBO(osg::GLExtensions* ext)
{
unsigned int nextImageIndex = (_currentImageIndex+1)%_imageBuffer.size();
int width=0, height=0;
getSize(_gc, width, height);
if (width!=_width || _height!=height)
{
#ifdef DEBUG
osg::notify(osg::NOTICE)<<"Window resized "<<width<<", "<<height<<std::endl;
#endif
_width = width;
_height = height;
}
GLuint& pbo = _pboBuffer[0];
osg::Image* image = _imageBuffer[_currentImageIndex].get();
if (image->s() != _width ||
image->t() != _height)
{
#ifdef DEBUG
osg::notify(osg::NOTICE)<<"Allocating image "<<std::endl;
#endif
image->allocateImage(_width, _height, 1, _pixelFormat, _type);
if (pbo!=0)
{
#ifdef DEBUG
osg::notify(osg::NOTICE)<<"deleting pbo "<<pbo<<std::endl;
#endif
ext->glDeleteBuffers (1, &pbo);
pbo = 0;
}
}
if (pbo==0)
{
ext->glGenBuffers(1, &pbo);
ext->glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, pbo);
ext->glBufferData(GL_PIXEL_PACK_BUFFER_ARB, image->getTotalSizeInBytes(), 0, GL_STREAM_READ);
#ifdef DEBUG
osg::notify(osg::NOTICE)<<"Generating pbo "<<pbo<<std::endl;
#endif
}
else
{
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());
_currentImageIndex = nextImageIndex;
}
void WindowCaptureCallback::ContextData::multiPBO(osg::GLExtensions* ext)
{
unsigned int nextImageIndex = (_currentImageIndex+1)%_imageBuffer.size();
unsigned int nextPboIndex = (_currentPboIndex+1)%_pboBuffer.size();
int width=0, height=0;
getSize(_gc, width, height);
if (width!=_width || _height!=height)
{
_width = width;
_height = height;
}
GLuint& copy_pbo = _pboBuffer[_currentPboIndex];
GLuint& read_pbo = _pboBuffer[nextPboIndex];
osg::Image* image = _imageBuffer[_currentImageIndex].get();
if (image->s() != _width ||
image->t() != _height)
{
#ifdef DEBUG
osg::notify(osg::NOTICE)<<"Allocating image "<<std::endl;
#endif
image->allocateImage(_width, _height, 1, _pixelFormat, _type);
if (read_pbo!=0)
{
#ifdef DEBUG
osg::notify(osg::NOTICE)<<"deleting pbo "<<read_pbo<<std::endl;
#endif
ext->glDeleteBuffers (1, &read_pbo);
read_pbo = 0;
}
if (copy_pbo!=0)
{
#ifdef DEBUG
osg::notify(osg::NOTICE)<<"deleting pbo "<<copy_pbo<<std::endl;
#endif
ext->glDeleteBuffers (1, ©_pbo);
copy_pbo = 0;
}
}
bool doCopy = copy_pbo!=0;
if (copy_pbo==0)
{
ext->glGenBuffers(1, ©_pbo);
ext->glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, copy_pbo);
ext->glBufferData(GL_PIXEL_PACK_BUFFER_ARB, image->getTotalSizeInBytes(), 0, GL_STREAM_READ);
#ifdef DEBUG
osg::notify(osg::NOTICE)<<"Generating pbo "<<read_pbo<<std::endl;
#endif
}
if (read_pbo==0)
{
ext->glGenBuffers(1, &read_pbo);
ext->glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, read_pbo);
ext->glBufferData(GL_PIXEL_PACK_BUFFER_ARB, image->getTotalSizeInBytes(), 0, GL_STREAM_READ);
#ifdef DEBUG
osg::notify(osg::NOTICE)<<"Generating pbo "<<read_pbo<<std::endl;
#endif
}
else
{
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)
{
ext->glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, copy_pbo);
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());
_image_available = true;
_currentImageToTransfer = reinterpret_cast<osg::Image*>( image->clone ( osg::CopyOp::DEEP_COPY_ALL ) );
#ifdef DEBUG
std::cout << "Rendered via multiple PBO's." << std::endl;
#endif
_currentImageIndex = nextImageIndex;
_currentPboIndex = nextPboIndex;
}
void WindowCaptureCallback::ContextData::multiPBO(osg::BufferObject::Extensions* ext)
{
// std::cout<<"multiPBO( "<<_fileName<<" image "<<_currentImageIndex<<" "<<_currentPboIndex<<std::endl;
unsigned int nextImageIndex = (_currentImageIndex+1)%_imageBuffer.size();
unsigned int nextPboIndex = (_currentPboIndex+1)%_pboBuffer.size();
int width=0, height=0;
getSize(_gc, width, height);
if (width!=_width || _height!=height)
{
std::cout<<" Window resized "<<width<<", "<<height<<std::endl;
_width = width;
_height = height;
}
GLuint& copy_pbo = _pboBuffer[_currentPboIndex];
GLuint& read_pbo = _pboBuffer[nextPboIndex];
osg::Image* image = _imageBuffer[_currentImageIndex].get();
if (image->s() != _width ||
image->t() != _height)
{
osg::notify(osg::NOTICE)<<"Allocating image "<<std::endl;
image->allocateImage(_width, _height, 1, _pixelFormat, _type);
if (read_pbo!=0)
{
osg::notify(osg::NOTICE)<<"deleting pbo "<<read_pbo<<std::endl;
ext->glDeleteBuffers (1, &read_pbo);
read_pbo = 0;
}
if (copy_pbo!=0)
{
osg::notify(osg::NOTICE)<<"deleting pbo "<<copy_pbo<<std::endl;
ext->glDeleteBuffers (1, ©_pbo);
copy_pbo = 0;
}
}
bool doCopy = copy_pbo!=0;
if (copy_pbo==0)
{
ext->glGenBuffers(1, ©_pbo);
ext->glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, copy_pbo);
ext->glBufferData(GL_PIXEL_PACK_BUFFER_ARB, image->getTotalSizeInBytes(), 0, GL_STREAM_READ);
osg::notify(osg::NOTICE)<<"Generating pbo "<<read_pbo<<std::endl;
}
if (read_pbo==0)
{
ext->glGenBuffers(1, &read_pbo);
ext->glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, read_pbo);
ext->glBufferData(GL_PIXEL_PACK_BUFFER_ARB, image->getTotalSizeInBytes(), 0, GL_STREAM_READ);
osg::notify(osg::NOTICE)<<"Generating pbo "<<read_pbo<<std::endl;
}
else
{
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)
{
ext->glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, copy_pbo);
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);
}
if (!_fileName.empty())
{
// osgDB::writeImageFile(*image, _fileName);
}
}
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;
}
void WindowCaptureCallback::ContextData::multiPBO(osg::GLBufferObject::Extensions* ext)
{
unsigned int nextImageIndex = (_currentImageIndex+1)%_imageBuffer.size();
unsigned int nextPboIndex = (_currentPboIndex+1)%_pboBuffer.size();
int width=0, height=0;
getSize(_gc, width, height);
if (width!=_width || _height!=height)
{
//OSG_NOTICE<<" Window resized "<<width<<", "<<height<<std::endl;
_width = width;
_height = height;
}
GLuint& copy_pbo = _pboBuffer[_currentPboIndex];
GLuint& read_pbo = _pboBuffer[nextPboIndex];
osg::Image* image = _imageBuffer[_currentImageIndex].get();
if (image->s() != _width ||
image->t() != _height)
{
//OSG_NOTICE<<"ScreenCaptureHandler: Allocating image "<<std::endl;
image->allocateImage(_width, _height, 1, _pixelFormat, _type);
if (read_pbo!=0)
{
//OSG_NOTICE<<"ScreenCaptureHandler: deleting pbo "<<read_pbo<<std::endl;
#ifndef EMSCRIPTEN
ext->glDeleteBuffers (1, &read_pbo);
#else
ext->_glDeleteBuffers (1, &read_pbo);
#endif
read_pbo = 0;
}
if (copy_pbo!=0)
{
//OSG_NOTICE<<"ScreenCaptureHandler: deleting pbo "<<copy_pbo<<std::endl;
#ifndef EMSCRIPTEN
ext->glDeleteBuffers (1, ©_pbo);
#else
ext->_glDeleteBuffers (1, ©_pbo);
#endif
copy_pbo = 0;
}
}
bool doCopy = copy_pbo!=0;
if (copy_pbo==0)
{
#ifndef EMSCRIPTEN
ext->glGenBuffers(1, ©_pbo);
ext->glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, copy_pbo);
ext->glBufferData(GL_PIXEL_PACK_BUFFER_ARB, image->getTotalSizeInBytes(), 0, GL_STREAM_READ);
#else
ext->_glGenBuffers(1, ©_pbo);
ext->_glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, copy_pbo);
ext->_glBufferData(GL_PIXEL_PACK_BUFFER_ARB, image->getTotalSizeInBytes(), 0, GL_STREAM_READ);
#endif
//OSG_NOTICE<<"ScreenCaptureHandler: Generating pbo "<<read_pbo<<std::endl;
}
if (read_pbo==0)
{
#ifndef EMSCRIPTEN
ext->glGenBuffers(1, &read_pbo);
ext->glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, read_pbo);
ext->glBufferData(GL_PIXEL_PACK_BUFFER_ARB, image->getTotalSizeInBytes(), 0, GL_STREAM_READ);
#else
ext->_glGenBuffers(1, &read_pbo);
ext->_glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, read_pbo);
ext->_glBufferData(GL_PIXEL_PACK_BUFFER_ARB, image->getTotalSizeInBytes(), 0, GL_STREAM_READ);
#endif
//OSG_NOTICE<<"ScreenCaptureHandler: Generating pbo "<<read_pbo<<std::endl;
}
else
{
#ifndef EMSCRIPTEN
ext->glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, read_pbo);
#else
ext->_glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, read_pbo);
#endif
}
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)
{
#ifndef EMSCRIPTEN
ext->glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, copy_pbo);
GLubyte* src = (GLubyte*)ext->glMapBuffer(GL_PIXEL_PACK_BUFFER_ARB,
GL_READ_ONLY_ARB);
#else
ext->_glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, copy_pbo);
GLubyte* src = (GLubyte*)ext->_glMapBuffer(GL_PIXEL_PACK_BUFFER_ARB,
GL_READ_ONLY_ARB);
#endif
if(src)
{
memcpy(image->data(), src, image->getTotalSizeInBytes());
#ifndef EMSCRIPTEN
ext->glUnmapBuffer(GL_PIXEL_PACK_BUFFER_ARB);
#else
ext->_glUnmapBuffer(GL_PIXEL_PACK_BUFFER_ARB);
#endif
}
if (_captureOperation.valid())
{
(*_captureOperation)(*image, _index);
}
}
#ifndef EMSCRIPTEN
ext->glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, 0);
#else
ext->_glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, 0);
#endif
osg::Timer_t tick_afterMemCpy = osg::Timer::instance()->tick();
updateTimings(tick_start, tick_afterReadPixels, tick_afterMemCpy, tick_afterMemCpy, image->getTotalSizeInBytes());
_currentImageIndex = nextImageIndex;
_currentPboIndex = nextPboIndex;
}