// which is what the user is intended to use, instantiates two copies of
// SingleResamplePassEffect behind the scenes).
+#include <GL/glew.h>
+#include <assert.h>
+#include <stddef.h>
+#include <string>
+
#include "effect.h"
+class EffectChain;
+class Node;
class SingleResamplePassEffect;
class ResampleEffect : public Effect {