GL_FRAMEBUFFER_BINDING  260 src/runtime/opengl.cpp     global_state.GetIntegerv(GL_FRAMEBUFFER_BINDING, &framebuffer_binding);
GL_FRAMEBUFFER_BINDING  266 test/opengl/save_state.cpp         check_value(operation, "framebuffer binding", GL_FRAMEBUFFER_BINDING, initial_framebuffer_binding);