From: Mikko Rasa <tdb@tdb.fi>
Date: Sat, 10 Dec 2016 20:48:07 +0000 (+0200)
Subject: Always treat GLSL function parameters as referenced
X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=commitdiff_plain;h=eb4f947bcd825230cfa0f1f27046d9c729435d6e

Always treat GLSL function parameters as referenced

They can't be removed so adding them to the set of unused nodes would
lead to an infinite loop.
---

diff --git a/source/programcompiler.cpp b/source/programcompiler.cpp
index cc4b5efe..13b203b4 100644
--- a/source/programcompiler.cpp
+++ b/source/programcompiler.cpp
@@ -1346,6 +1346,8 @@ void ProgramCompiler::UnusedVariableLocator::visit(FunctionDeclaration &func)
 	BlockVariableMap &block_variables = variables.back();
 	for(BlockVariableMap::iterator i=block_variables.begin(); i!=block_variables.end(); ++i)
 		i->second.conditionally_assigned = true;
+	for(vector<RefPtr<VariableDeclaration> >::iterator i=func.parameters.begin(); i!=func.parameters.end(); ++i)
+		block_variables[i->get()].referenced = true;
 	merge_down_variables();
 }