X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=mix_effect.h;fp=mix_effect.h;h=967c06b2ba59ac47b9ed21b7f1692f90bfdde854;hp=c6739653b398b7cd9791af5361d32197dd3d8499;hb=7af4d1b54ba141fdb74cd13ddc6110708855d157;hpb=572e7aaa57028d7eda4bc445a6249637134a2b02

diff --git a/mix_effect.h b/mix_effect.h
index c673965..967c06b 100644
--- a/mix_effect.h
+++ b/mix_effect.h
@@ -15,6 +15,10 @@ public:
 	virtual bool needs_srgb_primaries() const { return false; }
 	virtual unsigned num_inputs() const { return 2; }
 
+	// TODO: In the common case where a+b=1, it would be useful to be able to set
+	// alpha_handling() to INPUT_PREMULTIPLIED_ALPHA_KEEP_BLANK. However, right now
+	// we have no way of knowing that at instantiation time.
+
 private:
 	float strength_first, strength_second;
 };