- virtual bool needs_srgb_primaries() const { return false; }
- virtual unsigned num_inputs() const { return 3; }
- virtual AlphaHandling alpha_handling() const { return INPUT_PREMULTIPLIED_ALPHA_KEEP_BLANK; }
+ bool needs_srgb_primaries() const override { return false; }
+ unsigned num_inputs() const override { return 3; }
+ bool one_to_one_sampling() const override { return true; }
+ AlphaHandling alpha_handling() const override { return INPUT_PREMULTIPLIED_ALPHA_KEEP_BLANK; }