X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=lift_gamma_gain_effect.h;h=9183c580e080b7294cbb3f94bf4e20c7c4de3d6e;hp=6835620e11b432a73daf0df7d1331d9303e5a9fa;hb=80fc4a6e806e5638ae050c3020962137ca5fd76b;hpb=7af4d1b54ba141fdb74cd13ddc6110708855d157

diff --git a/lift_gamma_gain_effect.h b/lift_gamma_gain_effect.h
index 6835620..9183c58 100644
--- a/lift_gamma_gain_effect.h
+++ b/lift_gamma_gain_effect.h
@@ -1,5 +1,5 @@
-#ifndef _LIFT_GAMMA_GAIN_EFFECT_H
-#define _LIFT_GAMMA_GAIN_EFFECT_H 1
+#ifndef _MOVIT_LIFT_GAMMA_GAIN_EFFECT_H
+#define _MOVIT_LIFT_GAMMA_GAIN_EFFECT_H 1
 
 // A simple lift/gamma/gain effect, used for color grading.
 //
@@ -20,13 +20,19 @@
 // Also, gamma is a case where we would not want premultiplied alpha.
 // Thus, we have to divide away alpha first, and then re-multiply it back later.
 
+#include <epoxy/gl.h>
+#include <string>
+
 #include "effect.h"
 
+namespace movit {
+
 class LiftGammaGainEffect : public Effect {
 public:
 	LiftGammaGainEffect();
 	virtual std::string effect_type_id() const { return "LiftGammaGainEffect"; }
 	virtual AlphaHandling alpha_handling() const { return INPUT_PREMULTIPLIED_ALPHA_KEEP_BLANK; }
+	virtual bool one_to_one_sampling() const { return true; }
 	std::string output_fragment_shader();
 
 	void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num);
@@ -35,4 +41,6 @@ private:
 	RGBTriplet lift, gamma, gain;
 };
 
-#endif // !defined(_LIFT_GAMMA_GAIN_EFFECT_H)
+}  // namespace movit
+
+#endif // !defined(_MOVIT_LIFT_GAMMA_GAIN_EFFECT_H)