// discard roles, where one does convolutions by means of many small FFTs, but
// could also work as a (relatively boring) video effect on its own.
//
-// Note that vertical slices happen from the bottom, not the top, due to the
-// OpenGL coordinate system.
+// Note that vertical slices happen from the top, consistent with the rest of
+// Movit.
#include <epoxy/gl.h>
#include <string>
EffectChain *chain;
int input_width, input_height;
int input_slice_size, output_slice_size;
+ int offset;
Direction direction;
};