Mark some functions in Effect as const.

[movit] / gamma_compression_effect.h

diff --git a/gamma_compression_effect.h b/gamma_compression_effect.h
index 70163419388281da8b6cb54d3bd2c117dd250cd6..e4c79ab0c9faac750e877a84d5b7d768a65ef8ab 100644 (file)
--- a/gamma_compression_effect.h
+++ b/gamma_compression_effect.h
@@ -11,7 +11,7 @@ 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;