X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=diffusion_effect.h;h=64d743d12eb923bd409b24ddd0d5de508ff5458c;hp=624990cbd664d90cd2e6d9ce2649bed96fecb10d;hb=46cec0349282daa06df45279fb5d4e49add461ae;hpb=e655afd53f2e56938bd4e7f72640eff56ef4a1ee

diff --git a/diffusion_effect.h b/diffusion_effect.h
index 624990c..64d743d 100644
--- a/diffusion_effect.h
+++ b/diffusion_effect.h
@@ -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; }