X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Feffects%2Fsky.h;h=cb8403e77709ff0eb8ab81e9f306c3a4fa422e2b;hb=5ced451549e2238bb1195d03419437a395b9afec;hp=0152729a0ec8cf8dbb5ba88c5fc529ad5fd895c2;hpb=083a8227715fa32c841fc2b8126e4ab8d2840ba0;p=libs%2Fgl.git

diff --git a/source/effects/sky.h b/source/effects/sky.h
index 0152729a..cb8403e7 100644
--- a/source/effects/sky.h
+++ b/source/effects/sky.h
@@ -13,9 +13,14 @@ class Mesh;
 class Program;
 
 /**
-Renders a procedurally generated sky at the background.  Based on the paper
-"A Scalable and Production Ready Sky and Atmosphere Rendering Technique" by
-Sébastien Hillaire (https://sebh.github.io/publications/egsr2020.pdf).
+Renders a procedurally generated sky at the background.
+
+In addition to the background, the transmittance of the sun light is calculated
+to produce realistic lighting at dawn and dusk.
+
+Based on the techniques described in "A Scalable and Production Ready Sky and
+Atmosphere Rendering Technique" by Sébastien Hillaire
+(https://sebh.github.io/publications/egsr2020.pdf).
 */
 class Sky: public Effect
 {
@@ -69,6 +74,7 @@ private:
 	const Program &backdrop_shprog;
 	const Sampler &sampler;
 	const Sampler &wrap_sampler;
+	const Texture &dummy_texture;
 	mutable ProgramData shdata;
 	float view_height;
 	bool rendered;