diff --git a/lua.cpp b/lua.cpp
index b0bdbff..3d66bcc 100644
--- a/lua.cpp
+++ b/lua.cpp
@@ -97,8 +97,8 @@ extern "C" {
         const int numargs = lua_gettop(L);
         switch (numargs) {
             case 0: {
-                setdest(0);
-                return 0;
+                lua_pushinteger(L, getdest());
+                return 1;
             }
             case 1: {
                 uint8_t surface = luaL_checkinteger(L, 1);
@@ -114,8 +114,8 @@ extern "C" {
         const int numargs = lua_gettop(L);
         switch (numargs) {
             case 0: {
-                setsource(0);
-                return 0;
+                lua_pushinteger(L, getsource());
+                return 1;
             }
             case 1: {
                 uint8_t surface = luaL_checkinteger(L, 1);
diff --git a/mini.cpp b/mini.cpp
index 88fe463..e73b292 100644
--- a/mini.cpp
+++ b/mini.cpp
@@ -359,6 +359,18 @@ void setmap(uint8_t surface) {
     map_surface = &surfaces[surface];
 }
 
+uint8_t getdest()
+{
+    for (unsigned int i=0; i<MAX_SURFACES; ++i) if (dest_surface == &surfaces[i]) return i;
+    return 0;
+}
+
+uint8_t getsource()
+{
+    for (unsigned int i=0; i<MAX_SURFACES; ++i) if (source_surface == &surfaces[i]) return i;
+    return 0;
+}
+
 uint8_t getmap()
 {
     for (unsigned int i=0; i<MAX_SURFACES; ++i) if (map_surface == &surfaces[i]) return i;
diff --git a/mini.h b/mini.h
index e0f9b2e..2d41aad 100644
--- a/mini.h
+++ b/mini.h
@@ -134,6 +134,8 @@ int surfh(uint8_t surface);
 void setdest(uint8_t surface);
 void setsource(uint8_t surface);
 void setmap(uint8_t surface);
+uint8_t getdest();
+uint8_t getsource();
 uint8_t getmap();
 
 void shader_init(const char* vshader, const char* fshader);
diff --git a/version.h b/version.h
index b9c412e..d83e778 100644
--- a/version.h
+++ b/version.h
@@ -1,3 +1,3 @@
 #pragma once
 
-#define MINI_VERSION "1.3.15"
+#define MINI_VERSION "1.3.16"
diff --git a/vscode/library.lua b/vscode/library.lua
index 74e0bbe..10e5230 100644
--- a/vscode/library.lua
+++ b/vscode/library.lua
@@ -37,10 +37,18 @@ function surf.free(surface) end
 ---Retrieve width and height of surface
 function surf.size(surface) end
 
+---@return number surface
+---Get current target surface
+function surf.target() end
+
 ---@param surface number
 ---Set surface as target
 function surf.target(surface) end
 
+---@return number surface
+---Get current source surface
+function surf.source() end
+
 ---@param surface number
 ---Set surface as source
 function surf.source(surface) end