IECore::ObjectVectorPtr TestLight::computeLight( const Gaffer::Context *context ) const
{
IECore::ShaderPtr result = new IECore::Shader( "testLight", "light" );
result->parameters()["intensity"] = new IECore::Color3fData( parametersPlug()->getChild<Color3fPlug>( "intensity" )->getValue() );
result->parameters()["__areaLight"] = new IECore::BoolData( parametersPlug()->getChild<BoolPlug>( "areaLight" )->getValue() );
IECore::ObjectVectorPtr resultVector = new IECore::ObjectVector();
resultVector->members().push_back( result );
return resultVector;
}
IECore::ObjectVectorPtr AppleseedLight::computeLight( const Gaffer::Context *context ) const
{
IECore::ShaderPtr result = new IECore::Shader( modelPlug()->getValue(), "as:light" );
for( InputValuePlugIterator it( parametersPlug() ); !it.done(); ++it )
{
result->parameters()[(*it)->getName()] = CompoundDataPlug::extractDataFromPlug( it->get() );
}
IECore::ObjectVectorPtr resultVector = new IECore::ObjectVector();
resultVector->members().push_back( result );
return resultVector;
}
IECore::StateRenderable *Shader::NetworkBuilder::shader( const Shader *shaderNode )
{
shaderNode = effectiveNode( shaderNode );
if( !shaderNode )
{
return NULL;
}
if( !m_downstreamShaders.insert( shaderNode ).second )
{
throwCycleError( shaderNode );
}
ShaderAndHash &shaderAndHash = m_shaders[shaderNode];
if( shaderAndHash.shader )
{
return shaderAndHash.shader.get();
}
const std::string &shaderType = shaderNode->typePlug()->getValue();
if( boost::ends_with( shaderType, "light" ) )
{
std::string prefix = "";
size_t colon = shaderType.find_first_of( ":" );
if( colon != std::string::npos )
{
prefix = shaderType.substr( 0, colon + 1 );
}
IECore::LightPtr lightShader = new IECore::Light( prefix + shaderNode->namePlug()->getValue(), "LIGHT_HANDLE_UNUSED" );
parameterValueWalk( shaderNode, shaderNode->parametersPlug(), IECore::InternedString(), lightShader->parameters() );
shaderAndHash.shader = lightShader;
}
else
{
IECore::ShaderPtr shaderShader = new IECore::Shader( shaderNode->namePlug()->getValue(), shaderType );
parameterValueWalk( shaderNode, shaderNode->parametersPlug(), IECore::InternedString(), shaderShader->parameters() );
shaderAndHash.shader = shaderShader;
}
shaderAndHash.shader->blindData()->writable()["gaffer:nodeName"] = new IECore::StringData( shaderNode->nodeNamePlug()->getValue() );
shaderAndHash.shader->blindData()->writable()["gaffer:nodeColor"] = new IECore::Color3fData( shaderNode->nodeColorPlug()->getValue() );
m_state->members().push_back( shaderAndHash.shader );
m_downstreamShaders.erase( shaderNode );
return shaderAndHash.shader.get();
}