// Unit tests for SaturationEffect.
-#include "test_util.h"
+#include <GL/glew.h>
+
+#include "effect_chain.h"
#include "gtest/gtest.h"
+#include "image_format.h"
#include "saturation_effect.h"
+#include "test_util.h"
TEST(SaturationEffectTest, SaturationOneIsPassThrough) {
float data[] = {