-#ifndef _VIGNETTE_EFFECT_H
-#define _VIGNETTE_EFFECT_H 1
+#ifndef _MOVIT_VIGNETTE_EFFECT_H
+#define _MOVIT_VIGNETTE_EFFECT_H 1
// A circular vignette, falling off as cosĀ² of the distance from the center
// (the classic formula for approximating a real lens).
+#include <epoxy/gl.h>
+#include <string>
+
#include "effect.h"
+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; }
- 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;
+ Point2D uniform_aspect_correction, uniform_flipped_center;
float radius, inner_radius;
+ float uniform_pihalf_div_radius;
};
-#endif // !defined(_VIGNETTE_EFFECT_H)
+} // namespace movit
+
+#endif // !defined(_MOVIT_VIGNETTE_EFFECT_H)