DescriptorRange1 texTableRange = new DescriptorRange1(DescriptorRangeType.ShaderResourceView, 4, 0);
        RootDescriptorTable1 texTable = new RootDescriptorTable1(texTableRange);

        DescriptorRange1 texTableRange1 = new DescriptorRange1(DescriptorRangeType.ShaderResourceView, 5, 1);
        RootDescriptorTable1 texTable1 = new RootDescriptorTable1(texTableRange1);

        RootDescriptor1 rootDescriptor1 = new RootDescriptor1(0, 0);
        RootDescriptor1 rootDescriptor2 = new RootDescriptor1(1, 0);
        RootDescriptor1 rootDescriptor3 = new RootDescriptor1(0, 1);

        RootParameter1[] slotRootParameters = new[]
        {
            new RootParameter1(RootParameterType.ConstantBufferView, rootDescriptor1, ShaderVisibility.All),
            new RootParameter1(RootParameterType.ConstantBufferView, rootDescriptor2, ShaderVisibility.All),
            new RootParameter1(RootParameterType.ShaderResourceView, rootDescriptor3, ShaderVisibility.All),
            new RootParameter1(texTable, ShaderVisibility.All),
            new RootParameter1(texTable1, ShaderVisibility.All),
        };

        // A root signature is an array of root parameters.
        RootSignatureDescription1 rootSigDesc = new RootSignatureDescription1(
            RootSignatureFlags.AllowInputAssemblerInputLayout,
            slotRootParameters,
            GetStaticSamplers()
            );

        _rootSignature = Device.CreateRootSignature(rootSigDesc);
    }`