Function renderLayer

OpenCSG/src/primitiveHelper.cpp:126–138

        }

        void renderLayer(unsigned int layer, const std::vector<Primitive*>& primitives) {
            glStencilFunc(GL_EQUAL, layer, 255);
            glStencilOp(GL_INCR, GL_INCR, GL_INCR);
            glStencilMask(255);
            glEnable(GL_STENCIL_TEST);
  
            glEnable(GL_CULL_FACE);
            for (std::vector<Primitive*>::const_iterator j = primitives.begin(); j != primitives.end(); ++j) {
                glCullFace((*j)->getOperation() == Intersection ? GL_BACK : GL_FRONT);
                (*j)->render();
            }
            glDisable(GL_CULL_FACE);
        }

    } // namespace OpenGL