template<class T>
void internal_run(T *out_data, T *out_data2, T *out_data3, T *out_data4, GLenum internal_format, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format = OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED
#ifdef HAVE_BENCHMARK
- , benchmark::State *state = NULL
+ , benchmark::State *state = nullptr
#endif
);