void Channel::frameDraw( const eq::uint128_t& frameID )
{
//----- setup GL state
applyBuffer();
applyViewport();
glMatrixMode( GL_PROJECTION );
glLoadIdentity();
applyFrustum();
glMatrixMode( GL_MODELVIEW );
glLoadIdentity();
applyHeadTransform();
setupAssemblyState();
_testFormats( 1.0f );
_testFormats( 0.5f );
_testFormats( 2.0f );
_testTiledOperations();
_testDepthAssemble();
resetAssemblyState();
}
void Channel::frameViewFinish( const eq::uint128_t& frameID )
{
if( stopRendering( ))
return;
applyBuffer();
const FrameData& frameData = _getFrameData();
Accum& accum = _accum[ lunchbox::getIndexOfLastBit( getEye()) ];
if( accum.buffer )
{
const eq::PixelViewport& pvp = getPixelViewport();
const bool isResized = accum.buffer->resize( pvp );
if( isResized )
{
const View* view = static_cast< const View* >( getView( ));
accum.buffer->clear();
accum.step = view->getIdleSteps();
accum.stepsDone = 0;
}
else if( frameData.isIdle( ))
{
setupAssemblyState();
if( !_isDone() && accum.transfer )
accum.buffer->accum();
accum.buffer->display();
resetAssemblyState();
}
}
applyViewport();
_drawOverlay();
_drawHelp();
if( frameData.useStatistics())
drawStatistics();
int32_t steps = 0;
if( frameData.isIdle( ))
{
for( size_t i = 0; i < eq::NUM_EYES; ++i )
steps = LB_MAX( steps, _accum[i].step );
}
else
{
const View* view = static_cast< const View* >( getView( ));
steps = view ? view->getIdleSteps() : 0;
}
// if _jitterStep == 0 and no user redraw event happened, the app will exit
// FSAA idle mode and block on the next redraw event.
eq::Config* config = getConfig();
config->sendEvent( IDLE_AA_LEFT ) << steps;
eq::Channel::frameViewFinish( frameID );
}
void Channel::frameAssemble( const eq::uint128_t& frameID )
{
if( stopRendering( ))
return;
if( _isDone( ))
return;
Accum& accum = _accum[ lunchbox::getIndexOfLastBit( getEye()) ];
if( getPixelViewport() != _currentPVP )
{
accum.transfer = true;
if( accum.buffer && !accum.buffer->usesFBO( ))
{
LBWARN << "Current viewport different from view viewport, "
<< "idle anti-aliasing not implemented." << std::endl;
accum.step = 0;
}
eq::Channel::frameAssemble( frameID );
return;
}
// else
accum.transfer = true;
const eq::Frames& frames = getInputFrames();
for( eq::Frames::const_iterator i = frames.begin(); i != frames.end(); ++i )
{
eq::Frame* frame = *i;
const eq::SubPixel& curSubPixel = frame->getSubPixel();
if( curSubPixel != eq::SubPixel::ALL )
accum.transfer = false;
accum.stepsDone = LB_MAX( accum.stepsDone,
frame->getSubPixel().size*frame->getPeriod( ));
}
applyBuffer();
applyViewport();
setupAssemblyState();
try
{
eq::Compositor::assembleFrames( getInputFrames(), this, accum.buffer );
}
catch( const co::Exception& e )
{
LBWARN << e.what() << std::endl;
}
resetAssemblyState();
}
void Channel::frameAssemble( const eq::uint128_t& frameID,
const eq::Frames& frames )
{
if( stopRendering( ))
return;
if( _isDone( ))
return;
Accum& accum = _accum[ lunchbox::getIndexOfLastBit( getEye()) ];
if( getPixelViewport() != _currentPVP )
{
accum.transfer = true;
if( accum.buffer && !accum.buffer->usesFBO( ))
{
LBWARN << "Current viewport different from view viewport, "
<< "idle anti-aliasing not implemented." << std::endl;
accum.step = 0;
}
eq::Channel::frameAssemble( frameID, frames );
return;
}
// else
accum.transfer = true;
for( eq::Frame* frame : frames )
{
const eq::SubPixel& subPixel =
frame->getFrameData()->getContext().subPixel;
if( subPixel != eq::SubPixel::ALL )
accum.transfer = false;
accum.stepsDone = LB_MAX( accum.stepsDone, subPixel.size *
frame->getFrameData()->getContext().period );
}
applyBuffer();
applyViewport();
setupAssemblyState();
try
{
eq::Compositor::assembleFrames( frames, this, accum.buffer.get( ));
}
catch( const co::Exception& e )
{
LBWARN << e.what() << std::endl;
}
resetAssemblyState();
}
void Channel::_drawHelp()
{
const FrameData& frameData = _getFrameData();
std::string message = frameData.getMessage();
if( !frameData.showHelp() && message.empty( ))
return;
applyBuffer();
applyViewport();
setupAssemblyState();
glLogicOp( GL_XOR );
glEnable( GL_COLOR_LOGIC_OP );
glDisable( GL_LIGHTING );
glDisable( GL_DEPTH_TEST );
glColor3f( 1.f, 1.f, 1.f );
const eq::PixelViewport& pvp = getPixelViewport();
const eq::Viewport& vp = getViewport();
const float height = pvp.h / vp.h;
if( !message.empty( ))
{
const eq::util::BitmapFont* font = getWindow()->getMediumFont();
const float width = pvp.w / vp.w;
const float xOffset = vp.x * width;
const float yOffset = vp.y * height;
const float yPos = 0.618f * height;
float y = yPos - yOffset;
for( size_t pos = message.find( '\n' ); pos != std::string::npos;
pos = message.find( '\n' ))
{
glRasterPos3f( 10.f - xOffset, y, 0.99f );
font->draw( message.substr( 0, pos ));
message = message.substr( pos + 1 );
y -= 22.f;
}
// last line
glRasterPos3f( 10.f - xOffset, y, 0.99f );
font->draw( message );
}
glMatrixMode( GL_PROJECTION );
glLoadIdentity();
applyScreenFrustum();
glMatrixMode( GL_MODELVIEW );
if( frameData.showHelp( ))
{
const eq::util::BitmapFont* font = getWindow()->getSmallFont();
std::string help = EqPly::getHelp();
float y = height - 16.f;
for( size_t pos = help.find( '\n' ); pos != std::string::npos;
pos = help.find( '\n' ))
{
glRasterPos3f( 10.f, y, 0.99f );
font->draw( help.substr( 0, pos ));
help = help.substr( pos + 1 );
y -= 16.f;
}
// last line
glRasterPos3f( 10.f, y, 0.99f );
font->draw( help );
}
resetAssemblyState();
}
void Channel::_drawHelp()
{
const FrameData& frameData = _getFrameData();
std::string message = frameData.getMessage();
if( !frameData.showHelp() && message.empty( ))
return;
applyBuffer();
applyViewport();
setupAssemblyState();
glDisable( GL_LIGHTING );
glDisable( GL_DEPTH_TEST );
glColor3f( 1.f, 1.f, 1.f );
if( frameData.showHelp( ))
{
const eq::Window::Font* font = getWindow()->getSmallFont();
std::string help = EVolve::getHelp();
float y = 340.f;
for( size_t pos = help.find( '\n' ); pos != std::string::npos;
pos = help.find( '\n' ))
{
glRasterPos3f( 10.f, y, 0.99f );
font->draw( help.substr( 0, pos ));
help = help.substr( pos + 1 );
y -= 16.f;
}
// last line
glRasterPos3f( 10.f, y, 0.99f );
font->draw( help );
}
if( !message.empty( ))
{
const eq::Window::Font* font = getWindow()->getMediumFont();
const eq::Viewport& vp = getViewport();
const eq::PixelViewport& pvp = getPixelViewport();
const float width = pvp.w / vp.w;
const float xOffset = vp.x * width;
const float height = pvp.h / vp.h;
const float yOffset = vp.y * height;
const float yMiddle = 0.5f * height;
float y = yMiddle - yOffset;
for( size_t pos = message.find( '\n' ); pos != std::string::npos;
pos = message.find( '\n' ))
{
glRasterPos3f( 10.f - xOffset, y, 0.99f );
font->draw( message.substr( 0, pos ));
message = message.substr( pos + 1 );
y -= 22.f;
}
// last line
glRasterPos3f( 10.f - xOffset, y, 0.99f );
font->draw( message );
}
EQ_GL_CALL( resetAssemblyState( ));
}
void Channel::frameAssemble( const eq::uint128_t& frameID )
{
const bool composeOnly = (_drawRange == eq::Range::ALL);
eq::FrameData* data = _frame.getData();
_startAssemble();
const eq::Frames& frames = getInputFrames();
eq::PixelViewport coveredPVP;
eq::Frames dbFrames;
eq::Zoom zoom( eq::Zoom::NONE );
// Make sure all frames are ready and gather some information on them
for( eq::Frames::const_iterator i = frames.begin();
i != frames.end(); ++i )
{
eq::Frame* frame = *i;
{
eq::ChannelStatistics stat( eq::Statistic::CHANNEL_FRAME_WAIT_READY,
this );
frame->waitReady( );
}
const eq::Range& range = frame->getRange();
if( range == eq::Range::ALL ) // 2D frame, assemble directly
eq::Compositor::assembleFrame( frame, this );
else
{
dbFrames.push_back( frame );
zoom = frame->getZoom();
_expandPVP( coveredPVP, frame->getImages(), frame->getOffset() );
}
}
coveredPVP.intersect( getPixelViewport( ));
if( dbFrames.empty( ))
{
resetAssemblyState();
return;
}
// calculate correct frames sequence
if( !composeOnly && coveredPVP.hasArea( ))
{
_frame.clear();
data->setRange( _drawRange );
dbFrames.push_back( &_frame );
}
_orderFrames( dbFrames );
// check if current frame is in proper position, read back if not
if( !composeOnly )
{
if( _bgColor == eq::Vector3f::ZERO && dbFrames.front() == &_frame )
dbFrames.erase( dbFrames.begin( ));
else if( coveredPVP.hasArea())
{
eq::Window::ObjectManager* glObjects = getObjectManager();
_frame.setOffset( eq::Vector2i( 0, 0 ));
_frame.setZoom( zoom );
data->setPixelViewport( coveredPVP );
_frame.readback( glObjects, getDrawableConfig( ));
clearViewport( coveredPVP );
// offset for assembly
_frame.setOffset( eq::Vector2i( coveredPVP.x, coveredPVP.y ));
}
}
// blend DB frames in order
try
{
eq::Compositor::assembleFramesSorted( dbFrames, this, 0,
true /*blendAlpha*/ );
}
catch( eq::Exception e )
{
EQWARN << e << std::endl;
}
resetAssemblyState();
// Update range
_drawRange = getRange();
}
void Channel::frameAssemble( const eq::uint128_t&, const eq::Frames& frames )
{
_startAssemble();
eq::PixelViewport coveredPVP;
eq::ImageOps dbImages;
eq::Zoom zoom( eq::Zoom::NONE );
// Make sure all frames are ready and gather some information on them
for( eq::Frame* frame : frames )
{
{
eq::ChannelStatistics stat( eq::Statistic::CHANNEL_FRAME_WAIT_READY,
this );
frame->waitReady( );
}
for( eq::Image* image : frame->getImages( ))
{
eq::ImageOp op( frame, image );
op.offset = frame->getOffset();
const eq::Range& range = image->getContext().range;
if( range == eq::Range::ALL ) // 2D frame, assemble directly
eq::Compositor::assembleImage( op, this );
else
{
dbImages.emplace_back( op );
zoom = frame->getZoom();
coveredPVP.merge( image->getPixelViewport() + frame->getOffset());
}
}
}
if( dbImages.empty( ))
{
resetAssemblyState();
return;
}
// calculate correct image sequence
const bool dbCompose = _image.getContext().range != eq::Range::ALL;
coveredPVP.intersect( getPixelViewport( ));
if( dbCompose && coveredPVP.hasArea( ))
{
eq::ImageOp op;
op.image = &_image;
op.buffers = eq::Frame::BUFFER_COLOR;
op.zoom = zoom;
op.offset = eq::Vector2i( coveredPVP.x, coveredPVP.y );
dbImages.emplace_back( op );
}
_orderImages( dbImages );
// check if current image is in proper position, read back if not
if( dbCompose )
{
if( _bgColor == eq::Vector3f() && dbImages.front().image == &_image)
dbImages.erase( dbImages.begin( ));
else if( coveredPVP.hasArea())
{
eq::util::ObjectManager& glObjects = getObjectManager();
eq::PixelViewport pvp = getRegion();
pvp.intersect( coveredPVP );
// Update range
eq::Range range( 1.f, 0.f );
for( const eq::ImageOp& op : dbImages )
{
const eq::Range& r = op.image->getContext().range;
range.start = std::min( range.start, r.start );
range.end = std::max( range.end, r.end );
}
eq::RenderContext context = _image.getContext();
context.range = range;
if( _image.startReadback( eq::Frame::BUFFER_COLOR, pvp, context,
zoom, glObjects ))
{
_image.finishReadback( glewGetContext( ));
}
clearViewport( coveredPVP );
}
}
glEnable( GL_BLEND );
LBASSERT( GLEW_EXT_blend_func_separate );
glBlendFuncSeparate( GL_ONE, GL_SRC_ALPHA, GL_ZERO, GL_SRC_ALPHA );
eq::Compositor::blendImages( dbImages, this, 0 );
resetAssemblyState();
}