| 82 | } |
| 83 | |
| 84 | void MeshPrimitive::addPrimitiveVariable( const std::string &name, const IECoreScene::PrimitiveVariable &primVar ) |
| 85 | { |
| 86 | if( name == "P" ) |
| 87 | { |
| 88 | // update the bounding box. |
| 89 | m_memberData->bound.makeEmpty(); |
| 90 | IECore::ConstV3fVectorDataPtr points = IECore::runTimeCast< IECore::V3fVectorData >( primVar.data ); |
| 91 | if( points ) |
| 92 | { |
| 93 | const std::vector<Imath::V3f> &p = points->readable(); |
| 94 | for( unsigned int i=0; i<p.size(); i++ ) |
| 95 | { |
| 96 | m_memberData->bound.extendBy( p[i] ); |
| 97 | } |
| 98 | } |
| 99 | } |
| 100 | |
| 101 | if ( primVar.interpolation==IECoreScene::PrimitiveVariable::FaceVarying ) |
| 102 | { |
| 103 | addVertexAttribute( name, primVar.expandedData() ); |
| 104 | } |
| 105 | else if ( primVar.interpolation==IECoreScene::PrimitiveVariable::Constant ) |
| 106 | { |
| 107 | addUniformAttribute( name, primVar.expandedData() ); |
| 108 | } |
| 109 | else if ( primVar.interpolation==IECoreScene::PrimitiveVariable::Vertex || primVar.interpolation==IECoreScene::PrimitiveVariable::Varying ) |
| 110 | { |
| 111 | throw( "IECoreGL::MeshPrimitive : Invalid interpolation for \"" + name + "\". Must be FaceVarying or Constant." ); |
| 112 | } |
| 113 | } |
| 114 | |
| 115 | void MeshPrimitive::renderInstances( size_t numInstances ) const |
| 116 | { |
nothing calls this directly
no test coverage detected