X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fglsl%2Foptimize.h;h=75fffa13bb4fcaf6527d56ab676a7b88553cb8c5;hb=5871764de7aa23d2c40cac03ad9d07088fb57e06;hp=d9fc2d6a7a074367262dc890967ac632b9d22682;hpb=c43203c52410ee8a734e775e7ee7368a12f82ff7;p=libs%2Fgl.git

diff --git a/source/glsl/optimize.h b/source/glsl/optimize.h
index d9fc2d6a..75fffa13 100644
--- a/source/glsl/optimize.h
+++ b/source/glsl/optimize.h
@@ -122,6 +122,7 @@ private:
 		Block *assign_scope = 0;
 		std::vector<ExpressionUse> uses;
 		bool trivial = false;
+		bool blocked = false;
 	};
 
 	std::list<ExpressionInfo> expressions;
@@ -261,7 +262,7 @@ private:
 	bool r_external_side_effects = false;
 
 public:
-	void apply(Stage &);
+	bool apply(Stage &);
 
 private:
 	ConstantStatus check_constant_condition(const Expression &);
@@ -276,6 +277,7 @@ private:
 	virtual void visit(Iteration &);
 };
 
+/** Removes code which is never executed due to flow control statements. */
 class UnreachableCodeRemover: private TraversingVisitor
 {
 private: