X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=gamma_compression_effect.h;fp=gamma_compression_effect.h;h=2744d2ddf65f809e96a301cdcb0e016e499c8f25;hp=0155ee54b32fb28313d22785d91497e7f40a08c8;hb=38dfb378427d1c97113ad7644c39f7695be84c49;hpb=545c9c70d0be03667a8d78da6be29836fa9c4f1d

diff --git a/gamma_compression_effect.h b/gamma_compression_effect.h
index 0155ee5..2744d2d 100644
--- a/gamma_compression_effect.h
+++ b/gamma_compression_effect.h
@@ -13,8 +13,12 @@
 #define COMPRESSION_CURVE_SIZE 4096
 
 class GammaCompressionEffect : public Effect {
-public:
+private:
+	// Should not be instantiated by end users.
 	GammaCompressionEffect();
+	friend class EffectChain;
+
+public:
 	virtual std::string effect_type_id() const { return "GammaCompressionEffect"; }
 	std::string output_fragment_shader();