CHECK(effect->set_vec4("border_color", (float *)&border_color));
tester.run(out_data, GL_RGBA, COLORSPACE_REC_601_625, GAMMA_REC_601, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED);
CHECK(effect->set_vec4("border_color", (float *)&border_color));
tester.run(out_data, GL_RGBA, COLORSPACE_REC_601_625, GAMMA_REC_601, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED);