X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fglsl%2Foptimize.cpp;h=441a73a072e8df7740c27b62f9d3c5cc1f9596b2;hp=080bfd7c2705001a40fdf8b97abeb9401c4821bd;hb=801c209fa0a2878c0675b7808154de93bc42f5fd;hpb=d2303923980a08cf6e429a9ce7359d3683c79251

diff --git a/source/glsl/optimize.cpp b/source/glsl/optimize.cpp
index 080bfd7c..441a73a0 100644
--- a/source/glsl/optimize.cpp
+++ b/source/glsl/optimize.cpp
@@ -728,6 +728,13 @@ void UnusedVariableRemover::visit(FunctionCall &call)
 	/* Treat function calls as having side effects so expression statements
 	consisting of nothing but a function call won't be optimized away. */
 	r_side_effects = true;
+
+	if(stage->type==Stage::GEOMETRY && call.name=="EmitVertex")
+	{
+		for(map<Statement *, VariableInfo>::const_iterator i=variables.begin(); i!=variables.end(); ++i)
+			if(i->second.output)
+				referenced(i->first, call);
+	}
 }
 
 void UnusedVariableRemover::record_assignment(const Assignment::Target &target, Node &node)