Function renderDepthComplexitySamplingGoldfeather

OpenCSG/src/renderGoldfeather.cpp:566–609

    }

    static void renderDepthComplexitySamplingGoldfeather(const std::vector<Primitive*>& primitives)
    {
        scissor = new ScissorMemo;

        scissor->setIntersected(primitives);
        scissor->setCurrent(primitives);
        scissor->enableScissor();

        unsigned int depthComplexity = OpenGL::calcMaxDepthComplexity(primitives, scissor->getIntersectedArea());

        scissor->disableScissor();

        for (unsigned int layer = 0; layer < depthComplexity; ++layer) {
            if (channelMgr->request() == NoChannel) {
                channelMgr->free();
                channelMgr->request();
            }

            scissor->store(channelMgr->current());
            scissor->enableScissor();

            channelMgr->renderToChannel(true);

            glStencilMask(OpenGL::stencilMask);
            glClear(GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);

            glDepthFunc(GL_ALWAYS);
            glDepthMask(GL_TRUE);
            glColor4ub(255, 255, 255, 255);
            OpenGL::renderLayer(layer, primitives);

            glClear(GL_STENCIL_BUFFER_BIT);

            parityTestAndDiscard(primitives, primitives, true, OpenGL::stencilMax);

            channelMgr->store(channelMgr->current(), primitives, layer);

            scissor->disableScissor();
        }

        channelMgr->free();

        delete scissor;
    }

    static ChannelManagerForBatches* getChannelManager() {