Minor fixes

src/Nazara/OpenGLRenderer/OpenGLShaderModule.cpp

@@ -123,9 +123,7 @@ namespace Nz
 				if (!shader.Create(device, ToOpenGL(shaderStage)))
 					throw std::runtime_error("failed to create shader"); //< TODO: Handle error message
 
-				ShaderAst::AstCloner cloner; //< FIXME: Required because writer may update AST
-				ShaderAst::StatementPtr clonedAst = cloner.Clone(shaderAst);
-				std::string code = writer.Generate(shaderStage, clonedAst, states);
+				std::string code = writer.Generate(shaderStage, shaderAst, states);
 
 				shader.SetSource(code.data(), code.size());
 				shader.Compile();

src/Nazara/Shader/GlslWriter.cpp

@@ -734,6 +734,11 @@ namespace Nz
 		LeaveScope();
 	}
 
+	void GlslWriter::Visit(ShaderAst::DeclareOptionStatement& node)
+	{
+		/* nothing to do */
+	}
+
 	void GlslWriter::Visit(ShaderAst::DeclareStructStatement& node)
 	{
 		assert(node.structIndex);

src/Nazara/Shader/SpirvAstVisitor.cpp

@@ -600,6 +600,11 @@ namespace Nz
 		m_instructions.Append(SpirvOp::OpFunctionEnd);
 	}
 
+	void SpirvAstVisitor::Visit(ShaderAst::DeclareOptionStatement& node)
+	{
+		/* nothing to do */
+	}
+
 	void SpirvAstVisitor::Visit(ShaderAst::DeclareStructStatement& node)
 	{
 		assert(node.structIndex);