X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=gamma_expansion_effect.h;h=92f05171cd4d84ff08ad802cbef89138401c5d48;hp=07d94bea60a6f7784b94b5328ac86cb063d59a9f;hb=9651a4eaae012cdc49c1aa38197861e04f62e91e;hpb=ac4fc36aa70ffefb6b9632dc0abea5cbbce5387b

diff --git a/gamma_expansion_effect.h b/gamma_expansion_effect.h
index 07d94be..92f0517 100644
--- a/gamma_expansion_effect.h
+++ b/gamma_expansion_effect.h
@@ -5,15 +5,16 @@
 // typically inserted by the framework automatically at the beginning
 // of the processing chain.
 //
-// Currently supports sRGB and Rec. 601/709.
+// Currently supports sRGB, Rec. 601/709 and Rec. 2020 (10- and 12-bit).
+// Note that Movit's internal formats generally do not have enough accuracy
+// for 12-bit input or output.
 
+#include <GL/glew.h>
 #include <string>
 
 #include "effect.h"
 #include "image_format.h"
 
-#define EXPANSION_CURVE_SIZE 256
-
 class GammaExpansionEffect : public Effect {
 private:
 	// Should not be instantiated by end users.
@@ -23,6 +24,7 @@ private:
 public:
 	virtual std::string effect_type_id() const { return "GammaExpansionEffect"; }
 	std::string output_fragment_shader();
+	virtual void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num);
 
 	virtual bool needs_linear_light() const { return false; }
 	virtual bool needs_srgb_primaries() const { return false; }
@@ -33,7 +35,6 @@ public:
 
 private:
 	GammaCurve source_curve;
-	float expansion_curve[EXPANSION_CURVE_SIZE];
 };
 
 #endif // !defined(_MOVIT_GAMMA_EXPANSION_EFFECT_H)