1 2 3 4 5 6 7 8 9
# ^ GLSL.std.450 main , 5 O Q � GL_ARB_separate_shader_objects GL_GOOGLE_cpp_style_line_directive GL_GOOGLE_include_directive main sample_a(vf2; pos pos2 ss inner * off1 , off 0 off2 4 alpha 5 pos 9 param >