Improve macro hygiene in .frag files slightly.

[movit] / blur_effect.frag

diff --git a/blur_effect.frag b/blur_effect.frag
index 8853854229038c067b0ab8f677008a24d67e64b7..afe9f2e4cc001247d51b2a9e214348d6f55ce327 100644 (file)
--- a/blur_effect.frag
+++ b/blur_effect.frag
@@ -22,3 +22,5 @@ vec4 FUNCNAME(vec2 tc) {
        }
        return sum;
 }
+
+#undef DIRECTION_VERTICAL