X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=blur_effect.h;h=5a04415829231e2d5f2146b729762eb4e3f02ce7;hb=f40669de9c7e05e009e67e51a1a60773ac7e5156;hp=4af11a2b16a388ca6435e03b3d500eb2946039c3;hpb=5d4c0425579de66b3e2dd7d0095e890278f8efcf;p=movit

diff --git a/blur_effect.h b/blur_effect.h
index 4af11a2..5a04415 100644
--- a/blur_effect.h
+++ b/blur_effect.h
@@ -9,8 +9,15 @@
 // which is what the user is intended to use, instantiates two copies of
 // SingleBlurPassEffect behind the scenes).
 
+#include <GL/glew.h>
+#include <assert.h>
+#include <stddef.h>
+#include <string>
+
 #include "effect.h"
 
+class EffectChain;
+class Node;
 class SingleBlurPassEffect;
 
 class BlurEffect : public Effect {
@@ -24,7 +31,6 @@ public:
 	virtual bool needs_texture_bounce() const { return true; }
 	virtual bool needs_mipmaps() const { return true; }
 	virtual bool needs_srgb_primaries() const { return false; }
-	virtual AlphaHandling alpha_handling() const { return INPUT_AND_OUTPUT_PREMULTIPLIED_ALPHA; }
 
 	virtual void inform_input_size(unsigned input_num, unsigned width, unsigned height);
 
@@ -58,6 +64,7 @@ public:
 	virtual bool needs_texture_bounce() const { return true; }
 	virtual bool needs_mipmaps() 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) {