X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fglsl%2Foptimize.cpp;h=500c841793315aa1f1decb29b611c824291b003f;hb=5b33d00373c6f4953d684f8cc75c9353df469735;hp=7f60e67cc9c4ff58bfd46d452d407106b30d2315;hpb=30f676460bb6e87fd7ca2532e507b97965c4a407;p=libs%2Fgl.git

diff --git a/source/glsl/optimize.cpp b/source/glsl/optimize.cpp
index 7f60e67c..500c8417 100644
--- a/source/glsl/optimize.cpp
+++ b/source/glsl/optimize.cpp
@@ -661,7 +661,7 @@ bool UnusedVariableRemover::apply(Stage &s)
 		}
 		if(output)
 		{
-			if(!i->second.assignments.empty() && i->second.interface_block)
+			if((i->second.referenced || !i->second.assignments.empty()) && i->second.interface_block)
 				used_interface_blocks.insert(i->second.interface_block);
 			continue;
 		}