// Note that vertical slices happen from the top, consistent with the rest of
// Movit.
-#include <GL/glew.h>
+#include <epoxy/gl.h>
#include <string>
#include "effect.h"
EffectChain *chain;
int input_width, input_height;
int input_slice_size, output_slice_size;
+ int offset;
Direction direction;
};