Effect *lgg_effect = tester.get_chain()->add_effect(new LiftGammaGainEffect());
ASSERT_TRUE(lgg_effect->set_vec3("gamma", gamma));
tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR);
Effect *lgg_effect = tester.get_chain()->add_effect(new LiftGammaGainEffect());
ASSERT_TRUE(lgg_effect->set_vec3("gamma", gamma));
tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR);