// effect instance; use the macro PREFIX() around your identifiers to
// automatically prepend that prefix.
+#include <GL/glew.h>
+#include <assert.h>
+#include <stddef.h>
+#include <Eigen/Core>
#include <map>
#include <string>
#include <vector>
-#include <assert.h>
-
-#include <Eigen/Core>
-
-#include <GL/glew.h>
#include "util.h"
class EffectChain;