/// Redraws the OpenGL Scene if the procedural is marked as having changed (aka dirty)
IECoreGL::ConstScenePtr SOP_ProceduralHolder::scene()
{
IECore::ParameterisedProceduralPtr procedural = IECore::runTimeCast<IECore::ParameterisedProcedural>( getParameterised() );
if ( !procedural )
{
return 0;
}
if ( m_dirty || !m_scene )
{
IECorePython::ScopedGILLock gilLock;
try
{
IECoreGL::RendererPtr renderer = new IECoreGL::Renderer();
renderer->setOption( "gl:mode", new IECore::StringData( "deferred" ) );
renderer->worldBegin();
procedural->render( renderer );
renderer->worldEnd();
m_scene = renderer->scene();
m_scene->setCamera( 0 ); // houdini will be providing the camera when we draw the scene
}
catch( const std::exception &e )
{
std::cerr << e.what() << std::endl;
}
catch( ... )
{
std::cerr << "Unknown!" << std::endl;
}
m_dirty = false;
}
return m_scene;
}
void GR_CortexPrimitive::update( RE_Render *r, const GT_PrimitiveHandle &primh, const GR_UpdateParms &p )
{
#if UT_MAJOR_VERSION_INT >= 15
GU_DetailHandleAutoReadLock handle( p.geometry );
if ( !handle.isValid() )
{
m_scene = 0;
m_renderable = 0;
return;
}
const GU_Detail *detail = handle.getGdp();
#else
const GU_Detail *detail = &p.geometry;
#endif
GA_Offset offset = detail->primitiveOffset( m_primId );
const CortexPrimitive *prim = dynamic_cast<const CortexPrimitive *>( detail->getGEOPrimitive( offset ) );
if ( !prim )
{
m_scene = 0;
m_renderable = 0;
return;
}
m_renderable = IECore::runTimeCast<const IECore::Renderable>( prim->getObject() );
if ( !m_renderable )
{
m_scene = 0;
return;
}
IECoreGL::RendererPtr renderer = new IECoreGL::Renderer();
renderer->setOption( "gl:mode", new IECore::StringData( "deferred" ) );
renderer->setOption( "gl:drawCoordinateSystems", new IECore::BoolData( true ) );
renderer->worldBegin();
if ( p.dopts.boundBox() )
{
const IECore::VisibleRenderable *visible = IECore::runTimeCast<const IECore::VisibleRenderable>( m_renderable );
if ( visible )
{
IECore::MeshPrimitive::createBox( visible->bound() )->render( renderer.get() );
}
}
else
{
m_renderable->render( renderer.get() );
}
renderer->worldEnd();
m_scene = renderer->scene();
m_scene->setCamera( 0 ); // houdini will be providing the camera
}
void GR_CortexPrimitive::update( RE_Render *r, const GT_PrimitiveHandle &primh, const GR_UpdateParms &p )
{
GA_Offset offset = p.geometry.primitiveOffset( m_primId );
const GU_CortexPrimitive *prim = dynamic_cast<const GU_CortexPrimitive *>( p.geometry.getGEOPrimitive( offset ) );
if ( !prim )
{
m_scene = 0;
m_renderable = 0;
return;
}
m_renderable = IECore::runTimeCast<const IECore::Renderable>( prim->getObject() );
if ( !m_renderable )
{
m_scene = 0;
return;
}
IECoreGL::RendererPtr renderer = new IECoreGL::Renderer();
renderer->setOption( "gl:mode", new IECore::StringData( "deferred" ) );
renderer->setOption( "gl:drawCoordinateSystems", new IECore::BoolData( true ) );
renderer->worldBegin();
renderer->transformBegin();
UT_Matrix4D transform;
memcpy( transform.data(), r->getUniform( RE_UNIFORM_OBJECT_MATRIX )->getValue(), sizeof(double) * 16 );
renderer->setTransform( IECore::convert<Imath::M44f>( transform ) );
if ( p.dopts.boundBox() )
{
const IECore::VisibleRenderable *visible = IECore::runTimeCast<const IECore::VisibleRenderable>( m_renderable );
if ( visible )
{
IECore::MeshPrimitive::createBox( visible->bound() )->render( renderer );
}
}
else
{
m_renderable->render( renderer );
}
renderer->transformEnd();
renderer->worldEnd();
m_scene = renderer->scene();
m_scene->setCamera( 0 ); // houdini will be providing the camera
}
// Renders an object directly (normally from an opHolder)
void GR_Cortex::renderObject( const IECore::Object *object, const IECoreGL::State *displayState )
{
// try and cast this to a visible renderable
IECore::ConstVisibleRenderablePtr renderable = IECore::runTimeCast<const IECore::VisibleRenderable>( object );
if ( !renderable )
{
return;
}
// render our object into a buffer
IECoreGL::RendererPtr renderer = new IECoreGL::Renderer();
renderer->setOption( "gl:mode", new IECore::StringData( "deferred" ) );
renderer->worldBegin();
renderable->render( renderer );
renderer->worldEnd();
IECoreGL::ScenePtr scene = renderer->scene();
scene->setCamera( 0 ); // houdini will be providing the camera
// now render
scene->render( const_cast<IECoreGL::State *>( displayState ) );
}