X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=blur_effect.h;h=2aada42061098561892b71b3d6d1fb1a2d91f19f;hp=3f86e1797529d6aadc06ba08611abfde5083a269;hb=24660d2111d0ee97228016a7072304ff657d297b;hpb=f23c7768e6c13d6a719aaea89074d86b74148aeb diff --git a/blur_effect.h b/blur_effect.h index 3f86e17..2aada42 100644 --- a/blur_effect.h +++ b/blur_effect.h @@ -17,37 +17,58 @@ class BlurEffect : public Effect { public: BlurEffect(); + virtual std::string effect_type_id() const { return "BlurEffect"; } + + // We want this for the same reason as ResizeEffect; we could end up scaling + // down quite a lot. + virtual bool needs_texture_bounce() const { return true; } + virtual bool needs_mipmaps() const { return true; } + virtual bool needs_srgb_primaries() const { return false; } + virtual std::string output_fragment_shader() { assert(false); } - virtual void set_uniforms(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num) { + virtual void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num) { assert(false); } - virtual bool needs_texture_bounce() const { return true; } - virtual bool needs_mipmaps() const { return true; } - virtual void add_self_to_effect_chain(std::vector *chain); + virtual void rewrite_graph(EffectChain *graph, Node *self); virtual bool set_float(const std::string &key, float value); private: + void update_radius(); + + float radius; SingleBlurPassEffect *hpass, *vpass; }; class SingleBlurPassEffect : public Effect { public: SingleBlurPassEffect(); + virtual std::string effect_type_id() const { return "SingleBlurPassEffect"; } + std::string output_fragment_shader(); virtual bool needs_texture_bounce() const { return true; } virtual bool needs_mipmaps() const { return true; } + virtual bool needs_srgb_primaries() const { return false; } + + virtual bool changes_output_size() const { return true; } + + virtual void get_output_size(unsigned *width, unsigned *height) const { + *width = this->width; + *height = this->height; + } - void set_uniforms(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); + void clear_gl_state(); enum Direction { HORIZONTAL = 0, VERTICAL = 1 }; private: float radius; Direction direction; + int width, height; }; #endif // !defined(_BLUR_EFFECT_H)