#else
vec4 support = texture2D(PREFIX(support_tex), vec2(tc.x * PREFIX(num_repeats), 0.0));
vec4 c1 = INPUT(vec2(tc.x + support.x, tc.y));
#else
vec4 support = texture2D(PREFIX(support_tex), vec2(tc.x * PREFIX(num_repeats), 0.0));
vec4 c1 = INPUT(vec2(tc.x + support.x, tc.y));