Function geometrySmith

src/rendering/raster_rendering_engine.cpp:1111–1117

        }

        [[nodiscard]] float geometrySmith(const glm::vec3& normal,
                                          const glm::vec3& view,
                                          const glm::vec3& light,
                                          const float roughness) {
            return geometrySchlickGGX(std::max(glm::dot(normal, view), 0.0f), roughness) *
                   geometrySchlickGGX(std::max(glm::dot(normal, light), 0.0f), roughness);
        }

        [[nodiscard]] glm::vec3 fresnelSchlick(const float cos_theta,
                                               const glm::vec3& f0) {