"n", "\tvec3 n_normal = texture2D(normalmap, v_texcoord).xyz*2.0-1.0;\n",
"l!n", "\tvec3 n_normal = normalize(v_normal);\n",
"l", "\tfloat l_diffuse = max(dot(n_normal, normalize(v_light_dir)), 0.0);\n",
"n", "\tvec3 n_normal = texture2D(normalmap, v_texcoord).xyz*2.0-1.0;\n",
"l!n", "\tvec3 n_normal = normalize(v_normal);\n",
"l", "\tfloat l_diffuse = max(dot(n_normal, normalize(v_light_dir)), 0.0);\n",