X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=gamma_compression_effect.h;h=03cbb24133417da2a3da336d60b39edc04b4e781;hp=ec2a77a64ae1441f08ef6bb93207f27a904507fa;hb=4a9b478d0cc333e7b47a766d3d27ffe67c08f15a;hpb=f6c44598c9dad9ddd024c5f8f010d179a6d971fd

diff --git a/gamma_compression_effect.h b/gamma_compression_effect.h
index ec2a77a..03cbb24 100644
--- a/gamma_compression_effect.h
+++ b/gamma_compression_effect.h
@@ -1,16 +1,28 @@
 #ifndef _GAMMA_COMPRESSION_EFFECT_H 
 #define _GAMMA_COMPRESSION_EFFECT_H 1
 
+// An effect to convert linear light to the given gamma curve,
+// typically inserted by the framework automatically at the end
+// of the processing chain.
+//
+// Currently supports sRGB and Rec. 601/709.
+
 #include "effect.h"
 #include "effect_chain.h"
 
+#define COMPRESSION_CURVE_SIZE 4096
+
 class GammaCompressionEffect : public Effect {
 public:
 	GammaCompressionEffect();
-	std::string output_glsl();
+	virtual std::string effect_type_id() const { return "GammaCompressionEffect"; }
+	std::string output_fragment_shader();
+
+	virtual bool needs_srgb_primaries() const { return false; }
 
 private:
 	GammaCurve destination_curve;
+	float compression_curve[COMPRESSION_CURVE_SIZE];
 };
 
 #endif // !defined(_GAMMA_COMPRESSION_EFFECT_H)