X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=diffusion_effect.h;fp=diffusion_effect.h;h=2c635d0cd30082d57c08afcd4d46065e266be958;hp=624990cbd664d90cd2e6d9ce2649bed96fecb10d;hb=7af4d1b54ba141fdb74cd13ddc6110708855d157;hpb=572e7aaa57028d7eda4bc445a6249637134a2b02

diff --git a/diffusion_effect.h b/diffusion_effect.h
index 624990c..2c635d0 100644
--- a/diffusion_effect.h
+++ b/diffusion_effect.h
@@ -44,6 +44,7 @@ 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; }