X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=resample_effect.h;h=628c61a348ea3ba22904370a4a572f753dfed8aa;hp=a0ae1a8c156176da9ed41d222cfff4d09318c402;hb=5dfd8dfbd444210f9c9e3a0baf5c82b49e76e7ff;hpb=2322070a3dbeb6b46b39cca07a0fbf20e95f5468

diff --git a/resample_effect.h b/resample_effect.h
index a0ae1a8..628c61a 100644
--- a/resample_effect.h
+++ b/resample_effect.h
@@ -1,5 +1,5 @@
-#ifndef _RESAMPLE_EFFECT_H
-#define _RESAMPLE_EFFECT_H 1
+#ifndef _MOVIT_RESAMPLE_EFFECT_H
+#define _MOVIT_RESAMPLE_EFFECT_H 1
 
 // High-quality image resizing, either up or down.
 //
@@ -15,8 +15,17 @@
 // which is what the user is intended to use, instantiates two copies of
 // SingleResamplePassEffect behind the scenes).
 
+#include <GL/glew.h>
+#include <assert.h>
+#include <stddef.h>
+#include <string>
+
 #include "effect.h"
 
+namespace movit {
+
+class EffectChain;
+class Node;
 class SingleResamplePassEffect;
 
 class ResampleEffect : public Effect {
@@ -62,6 +71,7 @@ public:
 
 	virtual bool needs_texture_bounce() const { return true; }
 	virtual bool needs_srgb_primaries() const { return false; }
+	virtual AlphaHandling alpha_handling() const { return INPUT_PREMULTIPLIED_ALPHA_KEEP_BLANK; }
 
 	virtual void inform_input_size(unsigned input_num, unsigned width, unsigned height) {
 		if (parent != NULL) {
@@ -91,4 +101,6 @@ private:
 	float slice_height;
 };
 
-#endif // !defined(_RESAMPLE_EFFECT_H)
+}  // namespace movit
+
+#endif // !defined(_MOVIT_RESAMPLE_EFFECT_H)