X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fglsl%2Ffinalize.h;h=ec5f459ae53b59f1db6371dedcc2928e6d75cd36;hb=b6c4e1a794276ca343c0c9bb0a300e729ca41931;hp=79ba54b81b027c8b16743e0f1281b3e961611319;hpb=03b2ea5c9c611cfa5f02afb49ed7e05743e691b4;p=libs%2Fgl.git

diff --git a/source/glsl/finalize.h b/source/glsl/finalize.h
index 79ba54b8..ec5f459a 100644
--- a/source/glsl/finalize.h
+++ b/source/glsl/finalize.h
@@ -56,6 +56,28 @@ private:
 	virtual void visit(FunctionDeclaration &) { }
 };
 
+/**
+Converts the output depth range to match expectations of the target API.
+*/
+class DepthRangeConverter: private TraversingVisitor
+{
+private:
+	bool assignment_target = false;
+	bool r_gl_pervertex = false;
+	bool r_gl_position = false;
+	bool r_position_z_assigned = false;
+
+public:
+	void apply(Stage &, const Features &);
+
+private:
+	virtual void visit(VariableReference &);
+	virtual void visit(MemberAccess &);
+	virtual void visit(Swizzle &);
+	virtual void visit(Assignment &);
+	virtual void visit(FunctionDeclaration &);
+};
+
 /** Generates default precision declarations or removes precision declarations
 according to the requirements of the target API. */
 class PrecisionConverter: private TraversingVisitor