diff --git a/source/gs-helper.cpp b/source/gs-helper.cpp
index 85cdb11..cf9a760 100644
--- a/source/gs-helper.cpp
+++ b/source/gs-helper.cpp
@@ -18,3 +18,77 @@
  */
 
 #include "gs-helper.h"
+
+gs_effect_param* gs_effect_get_param(gs_effect_t* effect, const char* name) {
+	gs_effect_param* p = gs_effect_get_param_by_name(effect, name);
+	if (!p)
+		P_LOG_ERROR("Failed to find parameter %s in effect.", name);
+	return p;
+}
+
+bool gs_set_param_int(gs_effect_t* effect, const char* name, int value) {
+	gs_effect_param* p = nullptr;
+	if (nullptr != (p = gs_effect_get_param(effect, name))) {
+		gs_effect_set_int(p, value);
+		return true;
+	}
+	P_LOG_ERROR("Failed to set value %d for parameter %s in"
+		" effect.", value, name);
+	return false;
+}
+
+bool gs_set_param_float(gs_effect_t* effect, const char* name, float value) {
+	gs_effect_param* p = nullptr;
+	if (nullptr != (p = gs_effect_get_param(effect, name))) {
+		gs_effect_set_float(p, value);
+		return true;
+	}
+	P_LOG_ERROR("Failed to set value %f for parameter %s in"
+		" effect.", value, name);
+	return false;
+}
+
+bool gs_set_param_float2(gs_effect_t* effect, const char* name, vec2* value) {
+	gs_effect_param* p = nullptr;
+	if (nullptr != (p = gs_effect_get_param(effect, name))) {
+		gs_effect_set_vec2(p, value);
+		return true;
+	}
+	P_LOG_ERROR("Failed to set value {%f,%f} for parameter %s"
+		" in effect.", value->x, value->y, name);
+	return false;
+}
+
+bool gs_set_param_float3(gs_effect_t* effect, const char* name, vec3* value) {
+	gs_effect_param* p = nullptr;
+	if (nullptr != (p = gs_effect_get_param(effect, name))) {
+		gs_effect_set_vec3(p, value);
+		return true;
+	}
+	P_LOG_ERROR("Failed to set value {%f,%f,%f} for parameter"
+		"%s in effect.", value->x, value->y, value->z, name);
+	return false;
+}
+
+bool gs_set_param_float4(gs_effect_t* effect, const char* name, vec4* value) {
+	gs_effect_param* p = nullptr;
+	if (nullptr != (p = gs_effect_get_param(effect, name))) {
+		gs_effect_set_vec4(p, value);
+		return true;
+	}
+	P_LOG_ERROR("Failed to set value {%f,%f,%f,%f} for"
+		" parameter %s in effect.", value->x, value->y, value->z,
+		value->w, name);
+	return false;
+}
+
+bool gs_set_param_texture(gs_effect_t* effect, const char* name, gs_texture_t* value) {
+	gs_effect_param* p = nullptr;
+	if (nullptr != (p = gs_effect_get_param(effect, name))) {
+		gs_effect_set_texture(p, value);
+		return true;
+	}
+	P_LOG_ERROR("Failed to set texture for"
+		" parameter %s in effect.", name);
+	return false;
+}
diff --git a/source/gs-helper.h b/source/gs-helper.h
index 985fea6..d12d453 100644
--- a/source/gs-helper.h
+++ b/source/gs-helper.h
@@ -27,77 +27,10 @@ extern "C" {
 	#pragma warning (pop)
 }
 
-
-gs_effect_param* gs_effect_get_param(gs_effect_t* effect, const char* name) {
-	gs_effect_param* p = gs_effect_get_param_by_name(effect, name);
-	if (!p)
-		P_LOG_ERROR("Failed to find parameter %s in effect.", name);
-	return p;
-}
-
-bool gs_set_param_int(gs_effect_t* effect, const char* name, int value) {
-	gs_effect_param* p = nullptr;
-	if (nullptr != (p = gs_effect_get_param(effect, name))) {
-		gs_effect_set_int(p, value);
-		return true;
-	}
-	P_LOG_ERROR("Failed to set value %d for parameter %s in"
-		" effect.", value, name);
-	return false;
-}
-
-bool gs_set_param_float(gs_effect_t* effect, const char* name, float value) {
-	gs_effect_param* p = nullptr;
-	if (nullptr != (p = gs_effect_get_param(effect, name))) {
-		gs_effect_set_float(p, value);
-		return true;
-	}
-	P_LOG_ERROR("Failed to set value %f for parameter %s in"
-		" effect.", value, name);
-	return false;
-}
-
-bool gs_set_param_float2(gs_effect_t* effect, const char* name, vec2* value) {
-	gs_effect_param* p = nullptr;
-	if (nullptr != (p = gs_effect_get_param(effect, name))) {
-		gs_effect_set_vec2(p, value);
-		return true;
-	}
-	P_LOG_ERROR("Failed to set value {%f,%f} for parameter %s"
-		" in effect.", value->x, value->y, name);
-	return false;
-}
-
-bool gs_set_param_float3(gs_effect_t* effect, const char* name, vec3* value) {
-	gs_effect_param* p = nullptr;
-	if (nullptr != (p = gs_effect_get_param(effect, name))) {
-		gs_effect_set_vec3(p, value);
-		return true;
-	}
-	P_LOG_ERROR("Failed to set value {%f,%f,%f} for parameter"
-		"%s in effect.", value->x, value->y, value->z, name);
-	return false;
-}
-
-bool gs_set_param_float4(gs_effect_t* effect, const char* name, vec4* value) {
-	gs_effect_param* p = nullptr;
-	if (nullptr != (p = gs_effect_get_param(effect, name))) {
-		gs_effect_set_vec4(p, value);
-		return true;
-	}
-	P_LOG_ERROR("Failed to set value {%f,%f,%f,%f} for"
-		" parameter %s in effect.", value->x, value->y, value->z,
-		value->w, name);
-	return false;
-}
-
-bool gs_set_param_texture(gs_effect_t* effect, const char* name, gs_texture_t* value) {
-	gs_effect_param* p = nullptr;
-	if (nullptr != (p = gs_effect_get_param(effect, name))) {
-		gs_effect_set_texture(p, value);
-		return true;
-	}
-	P_LOG_ERROR("Failed to set texture for"
-		" parameter %s in effect.", name);
-	return false;
-}
+gs_effect_param* gs_effect_get_param(gs_effect_t* effect, const char* name);
+bool gs_set_param_int(gs_effect_t* effect, const char* name, int value);
+bool gs_set_param_float(gs_effect_t* effect, const char* name, float value);
+bool gs_set_param_float2(gs_effect_t* effect, const char* name, vec2* value);
+bool gs_set_param_float3(gs_effect_t* effect, const char* name, vec3* value);
+bool gs_set_param_float4(gs_effect_t* effect, const char* name, vec4* value);
+bool gs_set_param_texture(gs_effect_t* effect, const char* name, gs_texture_t* value);