Make a new system for meta-effects, and convert the blur to use it. Hides the two...

[movit] / blur_effect.h

diff --git a/blur_effect.h b/blur_effect.h
index 09c6f14117f47266e3ec53449202b7f829274bd3..ee890c25543fa41599e67d3e9284bfd68d8ee196 100644 (file)
--- a/blur_effect.h
+++ b/blur_effect.h
@@ -3,16 +3,38 @@
 
 #include "effect.h"
 
+class SingleBlurPassEffect;
+
 class BlurEffect : public Effect {
 public:
        BlurEffect();
+
+       virtual std::string output_fragment_shader() {
+               assert(false);
+       }
+       virtual void set_uniforms(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num) {
+               assert(false);
+       }
+
+       virtual bool needs_many_samples() const { return true; }
+       virtual bool needs_mipmaps() const { return true; }
+       virtual void add_self_to_effect_chain(std::vector<Effect *> *chain);
+       virtual bool set_float(const std::string &key, float value);
+       
+private:
+       SingleBlurPassEffect *hpass, *vpass;
+};
+
+class SingleBlurPassEffect : public Effect {
+public:
+       SingleBlurPassEffect();
        std::string output_fragment_shader();
 
        virtual bool needs_many_samples() const { return true; }
        virtual bool needs_mipmaps() const { return true; }
 
        void set_uniforms(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num);
-
+       
        enum Direction { HORIZONTAL = 0, VERTICAL = 1 };
 
 private: