X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=dither_effect.h;h=b1bbbff4168cec94708557c32c2f2f1d93dcef9a;hp=9818603c2a46f4a659628b68c03be5fed3f868ac;hb=dff7a05663a3c9c32cf1d75b928fac3ebe384ffd;hpb=15daf781e6ce00ec37ca806a16e490d59dcb4e24

diff --git a/dither_effect.h b/dither_effect.h
index 9818603..b1bbbff 100644
--- a/dither_effect.h
+++ b/dither_effect.h
@@ -59,15 +59,16 @@ private:
 
 public:
 	~DitherEffect();
-	virtual std::string effect_type_id() const { return "DitherEffect"; }
-	std::string output_fragment_shader();
+	std::string effect_type_id() const override { return "DitherEffect"; }
+	std::string output_fragment_shader() override;
 
 	// Note that if we did error diffusion, we'd actually want to diffuse the
 	// premultiplied error. However, we need to do dithering in the same
 	// space as quantization, whether that be pre- or postmultiply.
-	virtual AlphaHandling alpha_handling() const { return DONT_CARE_ALPHA_TYPE; }
+	AlphaHandling alpha_handling() const override { return DONT_CARE_ALPHA_TYPE; }
+	bool strong_one_to_one_sampling() const override { return true; }
 
-	void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num);
+	void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num) override;
 
 private:
 	void update_texture(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num);
@@ -77,6 +78,9 @@ private:
 	int texture_width, texture_height;
 
 	GLuint texnum;
+	float uniform_round_fac, uniform_inv_round_fac;
+	float uniform_tc_scale[2];
+	GLint uniform_dither_tex;
 };
 
 }  // namespace movit