X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=diffusion_effect.h;h=390787d9a3dc4c54c2dd8408538fd43d480ab471;hp=624990cbd664d90cd2e6d9ce2649bed96fecb10d;hb=5c97329dd35909847e2120b0b368b2723ffe5a44;hpb=e655afd53f2e56938bd4e7f72640eff56ef4a1ee

diff --git a/diffusion_effect.h b/diffusion_effect.h
index 624990c..390787d 100644
--- a/diffusion_effect.h
+++ b/diffusion_effect.h
@@ -1,5 +1,5 @@
-#ifndef _DIFFUSION_EFFECT_H
-#define _DIFFUSION_EFFECT_H 1
+#ifndef _MOVIT_DIFFUSION_EFFECT_H
+#define _MOVIT_DIFFUSION_EFFECT_H 1
 
 // There are many different effects that go under the name of "diffusion",
 // seemingly all of the inspired by the effect you get when you put a
@@ -12,9 +12,15 @@
 // where we first blur the picture, and then overlay it on the original
 // using the original as a matte.
 
+#include <GL/glew.h>
+#include <assert.h>
+#include <string>
+
 #include "effect.h"
 
 class BlurEffect;
+class EffectChain;
+class Node;
 class OverlayMatteEffect;
 
 class DiffusionEffect : public Effect {
@@ -44,6 +50,7 @@ public:
 	OverlayMatteEffect();
 	virtual std::string effect_type_id() const { return "OverlayMatteEffect"; }
 	std::string output_fragment_shader();
+	virtual AlphaHandling alpha_handling() const { return INPUT_PREMULTIPLIED_ALPHA_KEEP_BLANK; }
 
 	unsigned num_inputs() const { return 2; }
 
@@ -52,4 +59,4 @@ private:
 };
 
 
-#endif // !defined(_DIFFUSION_EFFECT_H)
+#endif // !defined(_MOVIT_DIFFUSION_EFFECT_H)