X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=vignette_effect.h;h=2239f969b536d6500fc1cf097b02a9cfcdf7127f;hp=737a834cb68556a063404063a0e92a18f5be88c9;hb=HEAD;hpb=cfc161e0289c2169d4835c48751ff56b97355eb2

diff --git a/vignette_effect.h b/vignette_effect.h
index 737a834..2239f96 100644
--- a/vignette_effect.h
+++ b/vignette_effect.h
@@ -4,7 +4,7 @@
 // A circular vignette, falling off as cos² of the distance from the center
 // (the classic formula for approximating a real lens).
 
-#include <GL/glew.h>
+#include <epoxy/gl.h>
 #include <string>
 
 #include "effect.h"
@@ -14,18 +14,21 @@ namespace movit {
 class VignetteEffect : public Effect {
 public:
 	VignetteEffect();
-	virtual std::string effect_type_id() const { return "VignetteEffect"; }
-	std::string output_fragment_shader();
+	std::string effect_type_id() const override { return "VignetteEffect"; }
+	std::string output_fragment_shader() override;
 
-	virtual bool needs_srgb_primaries() const { return false; }
-	virtual AlphaHandling alpha_handling() const { return DONT_CARE_ALPHA_TYPE; }
+	bool needs_srgb_primaries() const override { return false; }
+	AlphaHandling alpha_handling() const override { return DONT_CARE_ALPHA_TYPE; }
+	bool strong_one_to_one_sampling() const override { return true; }
 
-	virtual void inform_input_size(unsigned input_num, unsigned width, unsigned height);
-	void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num);
+	void inform_input_size(unsigned input_num, unsigned width, unsigned height) override;
+	void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num) override;
 
 private:
-	Point2D center, aspect_correction;
+	Point2D center;
+	Point2D uniform_aspect_correction, uniform_flipped_center;
 	float radius, inner_radius;
+	float uniform_pihalf_div_radius;
 };
 
 }  // namespace movit