3 * From page 11 (page 17 of the PDF) of the GLSL 1.10 spec:
5 * "[#pragma debug] can only be used outside function definitions."
9 * "[#pragma optimize] can only be used outside function definitions."
11 * However, it says nothing about other pragmas.
15 #pragma unlikely_to_be_recognized
16 gl_Position = gl_Vertex;