diff --git a/source/obs/gs/gs-effect.cpp b/source/obs/gs/gs-effect.cpp
index d2d32f39..9024415e 100644
--- a/source/obs/gs/gs-effect.cpp
+++ b/source/obs/gs/gs-effect.cpp
@@ -72,7 +72,7 @@ gs::effect::effect(std::string file) : effect()
 
 	char* errorMessage = nullptr;
 	auto  gctx         = gs::context();
-	_effect           = gs_effect_create(shader_buf.data(), file.c_str(), &errorMessage);
+	_effect            = gs_effect_create(shader_buf.data(), file.c_str(), &errorMessage);
 	if (!_effect || errorMessage) {
 		std::string error = "Generic Error";
 		if (errorMessage) {
@@ -88,7 +88,7 @@ gs::effect::effect(std::string code, std::string name) : effect()
 {
 	char* errorMessage = nullptr;
 	auto  gctx         = gs::context();
-	_effect           = gs_effect_create(code.c_str(), name.c_str(), &errorMessage);
+	_effect            = gs_effect_create(code.c_str(), name.c_str(), &errorMessage);
 	if (!_effect || errorMessage) {
 		std::string error = "Generic Error";
 		if (errorMessage) {
@@ -194,8 +194,8 @@ gs::effect_parameter::type gs::effect_parameter::get_type()
 		return type::Matrix;
 	case GS_SHADER_PARAM_TEXTURE:
 		return type::Texture;
-	//case GS_SHADER_PARAM_STRING:
-	//	return Type::String;
+	case GS_SHADER_PARAM_STRING:
+		return type::String;
 	default:
 	case GS_SHADER_PARAM_UNKNOWN:
 		return type::Unknown;
@@ -209,6 +209,32 @@ void gs::effect_parameter::set_bool(bool v)
 	gs_effect_set_bool(_param, v);
 }
 
+void gs::effect_parameter::get_bool(bool& v)
+{
+	if (get_type() != type::Boolean)
+		throw std::bad_cast();
+	void* ptr = gs_effect_get_val(_param);
+	if (ptr) {
+		v = *reinterpret_cast<bool*>(ptr);
+		bfree(ptr);
+	} else {
+		v = false;
+	}
+}
+
+void gs::effect_parameter::get_default_bool(bool& v)
+{
+	if (get_type() != type::Boolean)
+		throw std::bad_cast();
+	void* ptr = gs_effect_get_default_val(_param);
+	if (ptr) {
+		v = *reinterpret_cast<bool*>(ptr);
+		bfree(ptr);
+	} else {
+		v = false;
+	}
+}
+
 void gs::effect_parameter::set_bool_array(bool v[], size_t sz)
 {
 	if (get_type() != type::Boolean)
@@ -223,28 +249,102 @@ void gs::effect_parameter::set_float(float_t x)
 	gs_effect_set_float(_param, x);
 }
 
-void gs::effect_parameter::set_float2(vec2& v)
+void gs::effect_parameter::get_float(float_t& x)
+{
+	if (get_type() != type::Float)
+		throw std::bad_cast();
+	void* ptr = gs_effect_get_val(_param);
+	if (ptr) {
+		x = *reinterpret_cast<float_t*>(ptr);
+		bfree(ptr);
+	} else {
+		x = 0;
+	}
+}
+
+void gs::effect_parameter::get_default_float(float_t& x)
+{
+	if (get_type() != type::Float)
+		throw std::bad_cast();
+	void* ptr = gs_effect_get_default_val(_param);
+	if (ptr) {
+		x = *reinterpret_cast<float_t*>(ptr);
+		bfree(ptr);
+	} else {
+		x = 0;
+	}
+}
+
+void gs::effect_parameter::set_float2(vec2 const& v)
 {
 	if (get_type() != type::Float2)
 		throw std::bad_cast();
 	gs_effect_set_vec2(_param, &v);
 }
 
+void gs::effect_parameter::get_float2(vec2& v)
+{
+	get_float2(v.x, v.y);
+}
+
+void gs::effect_parameter::get_default_float2(vec2& v)
+{
+	get_default_float2(v.x, v.y);
+}
+
 void gs::effect_parameter::set_float2(float_t x, float_t y)
 {
-	if (get_type() != type::Float2)
-		throw std::bad_cast();
-	vec2 v = {{x, y}};
-	gs_effect_set_vec2(_param, &v);
+	vec2 data;
+	data.x = x;
+	data.y = y;
+	set_float2(data);
 }
 
-void gs::effect_parameter::set_float3(vec3& v)
+void gs::effect_parameter::get_float2(float_t& x, float_t& y)
+{
+	if (get_type() != type::Float2)
+		throw std::bad_cast();
+	uint8_t* ptr = static_cast<uint8_t*>(gs_effect_get_val(_param));
+	if (ptr) {
+		x = *reinterpret_cast<float_t*>(ptr);
+		y = *reinterpret_cast<float_t*>(ptr + sizeof(float_t));
+		bfree(ptr);
+	} else {
+		x, y = 0;
+	}
+}
+
+void gs::effect_parameter::get_default_float2(float_t& x, float_t& y)
+{
+	if (get_type() != type::Float2)
+		throw std::bad_cast();
+	uint8_t* ptr = static_cast<uint8_t*>(gs_effect_get_default_val(_param));
+	if (ptr) {
+		x = *reinterpret_cast<float_t*>(ptr);
+		y = *reinterpret_cast<float_t*>(ptr + sizeof(float_t));
+		bfree(ptr);
+	} else {
+		x, y = 0;
+	}
+}
+
+void gs::effect_parameter::set_float3(vec3 const& v)
 {
 	if (get_type() != type::Float3)
 		throw std::bad_cast();
 	gs_effect_set_vec3(_param, &v);
 }
 
+void gs::effect_parameter::get_float3(vec3& v)
+{
+	get_float3(v.x, v.y, v.z);
+}
+
+void gs::effect_parameter::get_default_float3(vec3& v)
+{
+	get_default_float3(v.x, v.y, v.z);
+}
+
 void gs::effect_parameter::set_float3(float_t x, float_t y, float_t z)
 {
 	if (get_type() != type::Float3)
@@ -253,13 +353,53 @@ void gs::effect_parameter::set_float3(float_t x, float_t y, float_t z)
 	gs_effect_set_vec3(_param, &v);
 }
 
-void gs::effect_parameter::set_float4(vec4& v)
+void gs::effect_parameter::get_float3(float_t& x, float_t& y, float_t& z)
+{
+	if (get_type() != type::Float3)
+		throw std::bad_cast();
+	uint8_t* ptr = static_cast<uint8_t*>(gs_effect_get_val(_param));
+	if (ptr) {
+		x = *reinterpret_cast<float_t*>(ptr);
+		y = *reinterpret_cast<float_t*>(ptr + sizeof(float_t));
+		z = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 2);
+		bfree(ptr);
+	} else {
+		x, y, z = 0;
+	}
+}
+
+void gs::effect_parameter::get_default_float3(float_t& x, float_t& y, float_t& z)
+{
+	if (get_type() != type::Float3)
+		throw std::bad_cast();
+	uint8_t* ptr = static_cast<uint8_t*>(gs_effect_get_default_val(_param));
+	if (ptr) {
+		x = *reinterpret_cast<float_t*>(ptr);
+		y = *reinterpret_cast<float_t*>(ptr + sizeof(float_t));
+		z = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 2);
+		bfree(ptr);
+	} else {
+		x, y, z = 0;
+	}
+}
+
+void gs::effect_parameter::set_float4(vec4 const& v)
 {
 	if (get_type() != type::Float4)
 		throw std::bad_cast();
 	gs_effect_set_vec4(_param, &v);
 }
 
+void gs::effect_parameter::get_float4(vec4& v)
+{
+	get_float4(v.x, v.y, v.z, v.w);
+}
+
+void gs::effect_parameter::get_default_float4(vec4& v)
+{
+	get_default_float4(v.x, v.y, v.z, v.w);
+}
+
 void gs::effect_parameter::set_float4(float_t x, float_t y, float_t z, float_t w)
 {
 	if (get_type() != type::Float4)
@@ -268,6 +408,38 @@ void gs::effect_parameter::set_float4(float_t x, float_t y, float_t z, float_t w
 	gs_effect_set_vec4(_param, &v);
 }
 
+void gs::effect_parameter::get_float4(float_t& x, float_t& y, float_t& z, float_t& w)
+{
+	if (get_type() != type::Float4)
+		throw std::bad_cast();
+	uint8_t* ptr = static_cast<uint8_t*>(gs_effect_get_val(_param));
+	if (ptr) {
+		x = *reinterpret_cast<float_t*>(ptr);
+		y = *reinterpret_cast<float_t*>(ptr + sizeof(float_t));
+		z = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 2);
+		w = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 3);
+		bfree(ptr);
+	} else {
+		x, y, z, w = 0;
+	}
+}
+
+void gs::effect_parameter::get_default_float4(float_t& x, float_t& y, float_t& z, float_t& w)
+{
+	if (get_type() != type::Float4)
+		throw std::bad_cast();
+	uint8_t* ptr = static_cast<uint8_t*>(gs_effect_get_default_val(_param));
+	if (ptr) {
+		x = *reinterpret_cast<float_t*>(ptr);
+		y = *reinterpret_cast<float_t*>(ptr + sizeof(float_t));
+		z = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 2);
+		w = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 3);
+		bfree(ptr);
+	} else {
+		x, y, z, w = 0;
+	}
+}
+
 void gs::effect_parameter::set_float_array(float_t v[], size_t sz)
 {
 	if ((get_type() != type::Float) && (get_type() != type::Float2) && (get_type() != type::Float3)
@@ -283,6 +455,32 @@ void gs::effect_parameter::set_int(int32_t x)
 	gs_effect_set_int(_param, x);
 }
 
+void gs::effect_parameter::get_int(int32_t& x)
+{
+	if ((get_type() != type::Integer) && (get_type() != type::Unknown))
+		throw std::bad_cast();
+	uint8_t* ptr = static_cast<uint8_t*>(gs_effect_get_val(_param));
+	if (ptr) {
+		x = *reinterpret_cast<int32_t*>(ptr);
+		bfree(ptr);
+	} else {
+		x = 0;
+	}
+}
+
+void gs::effect_parameter::get_default_int(int32_t& x)
+{
+	if ((get_type() != type::Integer) && (get_type() != type::Unknown))
+		throw std::bad_cast();
+	uint8_t* ptr = static_cast<uint8_t*>(gs_effect_get_default_val(_param));
+	if (ptr) {
+		x = *reinterpret_cast<int32_t*>(ptr);
+		bfree(ptr);
+	} else {
+		x = 0;
+	}
+}
+
 void gs::effect_parameter::set_int2(int32_t x, int32_t y)
 {
 	if ((get_type() != type::Integer2) && (get_type() != type::Unknown))
@@ -291,6 +489,34 @@ void gs::effect_parameter::set_int2(int32_t x, int32_t y)
 	gs_effect_set_val(_param, v, sizeof(int) * 2);
 }
 
+void gs::effect_parameter::get_int2(int32_t& x, int32_t& y)
+{
+	if ((get_type() != type::Integer2) && (get_type() != type::Unknown))
+		throw std::bad_cast();
+	uint8_t* ptr = static_cast<uint8_t*>(gs_effect_get_val(_param));
+	if (ptr) {
+		x = *reinterpret_cast<int32_t*>(ptr);
+		y = *reinterpret_cast<int32_t*>(ptr + sizeof(int32_t));
+		bfree(ptr);
+	} else {
+		x, y = 0;
+	}
+}
+
+void gs::effect_parameter::get_default_int2(int32_t& x, int32_t& y)
+{
+	if ((get_type() != type::Integer2) && (get_type() != type::Unknown))
+		throw std::bad_cast();
+	uint8_t* ptr = static_cast<uint8_t*>(gs_effect_get_default_val(_param));
+	if (ptr) {
+		x = *reinterpret_cast<int32_t*>(ptr);
+		y = *reinterpret_cast<int32_t*>(ptr + sizeof(int32_t));
+		bfree(ptr);
+	} else {
+		x, y = 0;
+	}
+}
+
 void gs::effect_parameter::set_int3(int32_t x, int32_t y, int32_t z)
 {
 	if ((get_type() != type::Integer3) && (get_type() != type::Unknown))
@@ -299,6 +525,36 @@ void gs::effect_parameter::set_int3(int32_t x, int32_t y, int32_t z)
 	gs_effect_set_val(_param, v, sizeof(int) * 3);
 }
 
+void gs::effect_parameter::get_int3(int32_t& x, int32_t& y, int32_t& z)
+{
+	if ((get_type() != type::Integer3) && (get_type() != type::Unknown))
+		throw std::bad_cast();
+	uint8_t* ptr = static_cast<uint8_t*>(gs_effect_get_val(_param));
+	if (ptr) {
+		x = *reinterpret_cast<int32_t*>(ptr);
+		y = *reinterpret_cast<int32_t*>(ptr + sizeof(int32_t));
+		z = *reinterpret_cast<int32_t*>(ptr + sizeof(int32_t) * 2);
+		bfree(ptr);
+	} else {
+		x, y, z = 0;
+	}
+}
+
+void gs::effect_parameter::get_default_int3(int32_t& x, int32_t& y, int32_t& z)
+{
+	if ((get_type() != type::Integer3) && (get_type() != type::Unknown))
+		throw std::bad_cast();
+	uint8_t* ptr = static_cast<uint8_t*>(gs_effect_get_default_val(_param));
+	if (ptr) {
+		x = *reinterpret_cast<int32_t*>(ptr);
+		y = *reinterpret_cast<int32_t*>(ptr + sizeof(int32_t));
+		z = *reinterpret_cast<int32_t*>(ptr + sizeof(int32_t) * 2);
+		bfree(ptr);
+	} else {
+		x, y, z = 0;
+	}
+}
+
 void gs::effect_parameter::set_int4(int32_t x, int32_t y, int32_t z, int32_t w)
 {
 	if ((get_type() != type::Integer4) && (get_type() != type::Unknown))
@@ -307,6 +563,38 @@ void gs::effect_parameter::set_int4(int32_t x, int32_t y, int32_t z, int32_t w)
 	gs_effect_set_val(_param, v, sizeof(int) * 4);
 }
 
+void gs::effect_parameter::get_int4(int32_t& x, int32_t& y, int32_t& z, int32_t& w)
+{
+	if ((get_type() != type::Integer4) && (get_type() != type::Unknown))
+		throw std::bad_cast();
+	uint8_t* ptr = static_cast<uint8_t*>(gs_effect_get_val(_param));
+	if (ptr) {
+		x = *reinterpret_cast<int32_t*>(ptr);
+		y = *reinterpret_cast<int32_t*>(ptr + sizeof(int32_t));
+		z = *reinterpret_cast<int32_t*>(ptr + sizeof(int32_t) * 2);
+		w = *reinterpret_cast<int32_t*>(ptr + sizeof(int32_t) * 3);
+		bfree(ptr);
+	} else {
+		x, y, z, w = 0;
+	}
+}
+
+void gs::effect_parameter::get_default_int4(int32_t& x, int32_t& y, int32_t& z, int32_t& w)
+{
+	if ((get_type() != type::Integer4) && (get_type() != type::Unknown))
+		throw std::bad_cast();
+	uint8_t* ptr = static_cast<uint8_t*>(gs_effect_get_default_val(_param));
+	if (ptr) {
+		x = *reinterpret_cast<int32_t*>(ptr);
+		y = *reinterpret_cast<int32_t*>(ptr + sizeof(int32_t));
+		z = *reinterpret_cast<int32_t*>(ptr + sizeof(int32_t) * 2);
+		w = *reinterpret_cast<int32_t*>(ptr + sizeof(int32_t) * 3);
+		bfree(ptr);
+	} else {
+		x, y, z, w = 0;
+	}
+}
+
 void gs::effect_parameter::set_int_array(int32_t v[], size_t sz)
 {
 	if ((get_type() != type::Integer) && (get_type() != type::Integer2) && (get_type() != type::Integer3)
@@ -315,13 +603,75 @@ void gs::effect_parameter::set_int_array(int32_t v[], size_t sz)
 	gs_effect_set_val(_param, v, sizeof(int) * sz);
 }
 
-void gs::effect_parameter::set_matrix(matrix4& v)
+void gs::effect_parameter::set_matrix(matrix4 const& v)
 {
 	if (get_type() != type::Matrix)
 		throw std::bad_cast();
 	gs_effect_set_matrix4(_param, &v);
 }
 
+void gs::effect_parameter::get_matrix(matrix4& v)
+{
+	if (get_type() != type::Matrix)
+		throw std::bad_cast();
+	uint8_t* ptr = static_cast<uint8_t*>(gs_effect_get_val(_param));
+	if (ptr) {
+		v.x.x = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 0);
+		v.x.y = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 1);
+		v.x.z = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 2);
+		v.x.w = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 3);
+		v.y.x = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 4);
+		v.y.y = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 5);
+		v.y.z = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 6);
+		v.y.w = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 7);
+		v.z.x = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 8);
+		v.z.y = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 9);
+		v.z.z = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 10);
+		v.z.w = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 11);
+		v.t.x = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 12);
+		v.t.y = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 13);
+		v.t.z = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 14);
+		v.t.w = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 15);
+		bfree(ptr);
+	} else {
+		v.x = vec4{};
+		v.y = vec4{};
+		v.z = vec4{};
+		v.t = vec4{};
+	}
+}
+
+void gs::effect_parameter::get_default_matrix(matrix4& v)
+{
+	if (get_type() != type::Matrix)
+		throw std::bad_cast();
+	uint8_t* ptr = static_cast<uint8_t*>(gs_effect_get_default_val(_param));
+	if (ptr) {
+		v.x.x = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 0);
+		v.x.y = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 1);
+		v.x.z = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 2);
+		v.x.w = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 3);
+		v.y.x = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 4);
+		v.y.y = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 5);
+		v.y.z = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 6);
+		v.y.w = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 7);
+		v.z.x = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 8);
+		v.z.y = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 9);
+		v.z.z = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 10);
+		v.z.w = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 11);
+		v.t.x = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 12);
+		v.t.y = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 13);
+		v.t.z = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 14);
+		v.t.w = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 15);
+		bfree(ptr);
+	} else {
+		v.x = vec4{};
+		v.y = vec4{};
+		v.z = vec4{};
+		v.t = vec4{};
+	}
+}
+
 void gs::effect_parameter::set_texture(std::shared_ptr<gs::texture> v)
 {
 	if (get_type() != type::Texture)
@@ -349,3 +699,77 @@ void gs::effect_parameter::set_sampler(gs_sampler_state* v)
 		throw std::bad_cast();
 	gs_effect_set_next_sampler(_param, v);
 }
+
+void gs::effect_parameter::set_string(std::string const& v)
+{
+	if (get_type() != type::String)
+		throw std::bad_cast();
+	gs_effect_set_val(_param, v.c_str(), v.length());
+}
+
+void gs::effect_parameter::get_string(std::string& v)
+{
+	if (get_type() != type::Matrix)
+		throw std::bad_cast();
+	size_t   ptr_len = gs_effect_get_val_size(_param);
+	uint8_t* ptr = static_cast<uint8_t*>(gs_effect_get_val(_param));
+	if (ptr) {
+		v = std::string(ptr, ptr + ptr_len);
+		bfree(ptr);
+	} else {
+		v = "";
+	}
+}
+
+void gs::effect_parameter::get_default_string(std::string& v)
+{
+	if (get_type() != type::Matrix)
+		throw std::bad_cast();
+	size_t   ptr_len = gs_effect_get_val_size(_param);
+	uint8_t* ptr     = static_cast<uint8_t*>(gs_effect_get_default_val(_param));
+	if (ptr) {
+		v = std::string(ptr, ptr + ptr_len);
+		bfree(ptr);
+	} else {
+		v = "";
+	}
+}
+
+size_t gs::effect_parameter::count_annotations()
+{
+	return gs_param_get_num_annotations(_param);
+}
+
+gs::effect_parameter gs::effect_parameter::get_annotation(size_t idx)
+{
+	gs_eparam_t* param = gs_param_get_annotation_by_idx(_param, idx);
+	if (!param)
+		throw std::invalid_argument("annotation with index not found");
+	return effect_parameter(param);
+}
+
+gs::effect_parameter gs::effect_parameter::get_annotation(std::string name)
+{
+	gs_eparam_t* param = gs_param_get_annotation_by_name(_param, name.c_str());
+	if (!param)
+		throw std::invalid_argument("annotation with name not found");
+	return effect_parameter(param);
+}
+
+bool gs::effect_parameter::has_annotation(std::string name)
+{
+	gs_eparam_t* param = gs_param_get_annotation_by_name(_param, name.c_str());
+	if (!param)
+		return false;
+	return true;
+}
+
+bool gs::effect_parameter::has_annotation(std::string name, effect_parameter::type type)
+{
+	try {
+		auto eprm = get_annotation(name);
+		return eprm.get_type() == type;
+	} catch (...) {
+		return false;
+	}
+}
diff --git a/source/obs/gs/gs-effect.hpp b/source/obs/gs/gs-effect.hpp
index 633b796a..f4fe9421 100644
--- a/source/obs/gs/gs-effect.hpp
+++ b/source/obs/gs/gs-effect.hpp
@@ -68,25 +68,75 @@ namespace gs {
 		type        get_type();
 
 		void set_bool(bool v);
+		void get_bool(bool& v);
+		void get_default_bool(bool& v);
+
 		void set_bool_array(bool v[], size_t sz);
+
 		void set_float(float_t x);
-		void set_float2(vec2& v);
+		void get_float(float_t& x);
+		void get_default_float(float_t& x);
+
+		void set_float2(vec2 const& v);
+		void get_float2(vec2& v);
+		void get_default_float2(vec2& v);
 		void set_float2(float_t x, float_t y);
-		void set_float3(vec3& v);
+		void get_float2(float_t& x, float_t& y);
+		void get_default_float2(float_t& x, float_t& y);
+
+		void set_float3(vec3 const& v);
+		void get_float3(vec3& v);
+		void get_default_float3(vec3& v);
 		void set_float3(float_t x, float_t y, float_t z);
-		void set_float4(vec4& v);
+		void get_float3(float_t& x, float_t& y, float_t& z);
+		void get_default_float3(float_t& x, float_t& y, float_t& z);
+
+		void set_float4(vec4 const& v);
+		void get_float4(vec4& v);
+		void get_default_float4(vec4& v);
 		void set_float4(float_t x, float_t y, float_t z, float_t w);
+		void get_float4(float_t& x, float_t& y, float_t& z, float_t& w);
+		void get_default_float4(float_t& x, float_t& y, float_t& z, float_t& w);
+
 		void set_float_array(float_t v[], size_t sz);
+
 		void set_int(int32_t x);
+		void get_int(int32_t& x);
+		void get_default_int(int32_t& x);
+
 		void set_int2(int32_t x, int32_t y);
+		void get_int2(int32_t& x, int32_t& y);
+		void get_default_int2(int32_t& x, int32_t& y);
+
 		void set_int3(int32_t x, int32_t y, int32_t z);
+		void get_int3(int32_t& x, int32_t& y, int32_t& z);
+		void get_default_int3(int32_t& x, int32_t& y, int32_t& z);
+
 		void set_int4(int32_t x, int32_t y, int32_t z, int32_t w);
+		void get_int4(int32_t& x, int32_t& y, int32_t& z, int32_t& w);
+		void get_default_int4(int32_t& x, int32_t& y, int32_t& z, int32_t& w);
+
 		void set_int_array(int32_t v[], size_t sz);
-		void set_matrix(matrix4& v);
+
+		void set_matrix(matrix4 const& v);
+		void get_matrix(matrix4& v);
+		void get_default_matrix(matrix4& v);
+
 		void set_texture(std::shared_ptr<gs::texture> v);
 		void set_texture(gs_texture_t* v);
+
 		void set_sampler(std::shared_ptr<gs::sampler> v);
 		void set_sampler(gs_sampler_state* v);
+
+		void set_string(std::string const& v);
+		void get_string(std::string& v);
+		void get_default_string(std::string& v);
+
+		size_t           count_annotations();
+		effect_parameter get_annotation(size_t idx);
+		effect_parameter get_annotation(std::string name);
+		bool             has_annotation(std::string name);
+		bool             has_annotation(std::string name, effect_parameter::type type);
 	};
 
 	class effect {
@@ -107,6 +157,5 @@ namespace gs {
 		effect_parameter            get_parameter(std::string name);
 		bool                        has_parameter(std::string name);
 		bool                        has_parameter(std::string name, effect_parameter::type type);
-
 	};
 } // namespace gs