X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=alpha_multiplication_effect.h;h=f342719c5987b0e3304e5b0782811829b3680faa;hp=2425a427e2764822287f3f54443fb5f896e61f32;hb=f216b7bef5a968c89f6fc78e83cc26a91e504a8a;hpb=37f56fcbe571b2322243f6de59494bf9e0cbb37a

diff --git a/alpha_multiplication_effect.h b/alpha_multiplication_effect.h
index 2425a42..f342719 100644
--- a/alpha_multiplication_effect.h
+++ b/alpha_multiplication_effect.h
@@ -1,5 +1,5 @@
-#ifndef _ALPHA_MULTIPLICATION_EFFECT_H
-#define _ALPHA_MULTIPLICATION_EFFECT_H 1
+#ifndef _MOVIT_ALPHA_MULTIPLICATION_EFFECT_H
+#define _MOVIT_ALPHA_MULTIPLICATION_EFFECT_H 1
 
 // Convert postmultiplied alpha to premultiplied alpha, simply by multiplying.
 
@@ -7,11 +7,16 @@
 
 #include "effect.h"
 
+namespace movit {
+
 class AlphaMultiplicationEffect : public Effect {
 public:
 	AlphaMultiplicationEffect() {}
 	virtual std::string effect_type_id() const { return "AlphaMultiplicationEffect"; }
 	std::string output_fragment_shader();
+	virtual bool one_to_one_sampling() const { return true; }
 };
 
-#endif // !defined(_ALPHA_MULTIPLICATION_EFFECT_H)
+}  // namespace movit
+
+#endif // !defined(_MOVIT_ALPHA_MULTIPLICATION_EFFECT_H)