X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=alpha_division_effect.h;h=b95e9fe77c61fb8074e548e1f361ae43f1dfdf3e;hp=e700112fb2a909c108c2ddb48ccbb3b96d5ab0ed;hb=4a2924ab769a4a551a15c78336191117c03d39a8;hpb=caa05550e868db406e4b54e69d60b5573f59cb60

diff --git a/alpha_division_effect.h b/alpha_division_effect.h
index e700112..b95e9fe 100644
--- a/alpha_division_effect.h
+++ b/alpha_division_effect.h
@@ -1,8 +1,10 @@
-#ifndef _ALPHA_DIVISION_EFFECT_H
-#define _ALPHA_DIVISION_EFFECT_H 1
+#ifndef _MOVIT_ALPHA_DIVISION_EFFECT_H
+#define _MOVIT_ALPHA_DIVISION_EFFECT_H 1
 
 // Convert premultiplied alpha to postmultiplied alpha, simply by multiplying.
 
+#include <string>
+
 #include "effect.h"
 
 class AlphaDivisionEffect : public Effect {
@@ -12,4 +14,4 @@ public:
 	std::string output_fragment_shader();
 };
 
-#endif // !defined(_ALPHA_DIVISION_EFFECT_H)
+#endif // !defined(_MOVIT_ALPHA_DIVISION_EFFECT_H)