X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=gamma_compression_effect.h;h=4c77b4c2cb2268af48f662b321cdfe4e2972a68f;hp=70163419388281da8b6cb54d3bd2c117dd250cd6;hb=0dc1dfe6444a700ebd2c9f006cba000b90c3a7b0;hpb=2ced784c6599cb0b21427481ee17f4c8f6afdada

diff --git a/gamma_compression_effect.h b/gamma_compression_effect.h
index 7016341..4c77b4c 100644
--- a/gamma_compression_effect.h
+++ b/gamma_compression_effect.h
@@ -1,6 +1,12 @@
 #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"
 
@@ -11,7 +17,7 @@ public:
 	GammaCompressionEffect();
 	std::string output_fragment_shader();
 
-	virtual bool needs_srgb_primaries() { return false; }
+	virtual bool needs_srgb_primaries() const { return false; }
 
 private:
 	GammaCurve destination_curve;