Improve macro hygiene in .frag files slightly.

[movit] / fft_pass_effect.frag

diff --git a/fft_pass_effect.frag b/fft_pass_effect.frag
index edcf6951815b1a9a1a09906f3082dad5ff36ef63..fcffba786facade26a2ad2983126675528107708 100644 (file)
--- a/fft_pass_effect.frag
+++ b/fft_pass_effect.frag
@@ -22,3 +22,5 @@ vec4 FUNCNAME(vec2 tc) {
        // where * is complex multiplication.
        return c1 + support.z * c2 + support.w * vec4(-c2.y, c2.x, -c2.w, c2.z);
 }
+
+#undef DIRECTION_VERTICAL