diff --git a/cfg/sdl.cfg b/cfg/sdl.cfg
index aa1d0d55d..effc3eab6 100644
--- a/cfg/sdl.cfg
+++ b/cfg/sdl.cfg
@@ -1,5 +1,226 @@
 <?xml version="1.0"?>
 <def format="2">
+  <!-- SDL (Simple DirectMedia Layer) Library Configuration https://libsdl.org/ -->
+  <!-- ########## SDL Types ########## -->
+  <podtype name="Sint8" sign="s" size="1"/>
+  <podtype name="Uint8" sign="u" size="1"/>
+  <podtype name="Sint16" sign="s" size="2"/>
+  <podtype name="Uint16" sign="u" size="2"/>
+  <podtype name="Sint32" sign="s" size="4"/>
+  <podtype name="Uint32" sign="u" size="4"/>
+  <podtype name="Sint64" sign="s" size="8"/>
+  <podtype name="Uint64" sign="u" size="8"/>
+  <!-- ########## SDL defines / macros ########## -->
+  <!-- From https://hg.libsdl.org/SDL/file/default/include/SDL_stdinc.h -->
+  <define name="SDL_arraysize(array)" value="(sizeof(array)/sizeof(array[0]))"/>
+  <define name="SDL_TABLESIZE(table)" value="SDL_arraysize(table)"/>
+  <define name="SDL_min(x, y)" value="(((x) &lt; (y)) ? (x) : (y))"/>
+  <define name="SDL_max(x, y)" value="(((x) &gt; (y)) ? (x) : (y))"/>
+  <define name="SDL_zero(x)" value="SDL_memset(&amp;(x), 0, sizeof((x)))"/>
+  <define name="SDL_zerop(x)" value="SDL_memset((x), 0, sizeof(*(x)))"/>
+  <define name="SDL_zeroa(x)" value="SDL_memset((x), 0, sizeof((x)))"/>
+  <define name="SDL_malloc" value="malloc"/>
+  <define name="SDL_calloc" value="calloc"/>
+  <define name="SDL_realloc" value="realloc"/>
+  <define name="SDL_free" value="free"/>
+  <define name="SDL_memset" value="memset"/>
+  <define name="SDL_memcpy" value="memcpy"/>
+  <define name="SDL_memmove" value="memmove"/>
+  <define name="SDL_memcmp" value="memcmp"/>
+  <define name="SDL_strlen" value="strlen"/>
+  <define name="SDL_strlcpy" value="strlcpy"/>
+  <define name="SDL_strlcat" value="strlcat"/>
+  <define name="SDL_strdup" value="strdup"/>
+  <define name="SDL_strchr" value="strchr"/>
+  <define name="SDL_strrchr" value="strrchr"/>
+  <define name="SDL_strstr" value="strstr"/>
+  <define name="SDL_strcmp" value="strcmp"/>
+  <define name="SDL_strncmp" value="strncmp"/>
+  <define name="SDL_strcasecmp" value="strcasecmp"/>
+  <define name="SDL_strncasecmp" value="strncasecmp"/>
+  <define name="SDL_sscanf" value="sscanf"/>
+  <define name="SDL_vsscanf" value="vsscanf"/>
+  <define name="SDL_snprintf" value="snprintf"/>
+  <define name="SDL_vsnprintf" value="vsnprintf"/>
+  <!-- ########## SDL Functions ########## -->
+  <!-- int SDL_BlitSurface(SDL_Surface*    src,
+                           const SDL_Rect* srcrect,
+                           SDL_Surface*    dst,
+                           SDL_Rect*       dstrect) -->
+  <function name="SDL_BlitSurface">
+    <noreturn>false</noreturn>
+    <returnValue type="int"/>
+    <arg nr="1" direction="in">
+      <not-uninit/>
+    </arg>
+    <arg nr="2" direction="in">
+      <not-uninit/>
+    </arg>
+    <arg nr="3" direction="out"/>
+    <arg nr="4" direction="inout">
+      <not-uninit/>
+    </arg>
+  </function>
+  <!-- SDL_Surface* SDL_CreateRGBSurface(Uint32 flags,
+                                         int    width,
+                                         int    height,
+                                         int    depth,
+                                         Uint32 Rmask,
+                                         Uint32 Gmask,
+                                         Uint32 Bmask,
+                                         Uint32 Amask) -->
+  <function name="SDL_CreateRGBSurface">
+    <noreturn>false</noreturn>
+    <returnValue type="SDL_Surface*"/>
+    <use-retval/>
+    <arg nr="1" direction="in">
+      <not-uninit/>
+    </arg>
+    <arg nr="2" direction="in">
+      <not-uninit/>
+    </arg>
+    <arg nr="3" direction="in">
+      <not-uninit/>
+    </arg>
+    <arg nr="4" direction="in">
+      <not-uninit/>
+    </arg>
+    <arg nr="5" direction="in">
+      <not-uninit/>
+    </arg>
+    <arg nr="6" direction="in">
+      <not-uninit/>
+    </arg>
+    <arg nr="7" direction="in">
+      <not-uninit/>
+    </arg>
+    <arg nr="8" direction="in">
+      <not-uninit/>
+      <not-bool/>
+    </arg>
+  </function>
+  <!-- void SDL_Delay(Uint32 ms) -->
+  <function name="SDL_Delay">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <leak-ignore/>
+    <arg nr="1" direction="in">
+      <not-uninit/>
+    </arg>
+  </function>
+  <!-- int SDL_FillRect(SDL_Surface*    dst,
+                        const SDL_Rect* rect,
+                        Uint32          color) -->
+  <function name="SDL_FillRect">
+    <noreturn>false</noreturn>
+    <returnValue type="int"/>
+    <leak-ignore/>
+    <arg nr="1" direction="out">
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="2" direction="in">
+      <not-uninit/>
+    </arg>
+    <arg nr="3" direction="in">
+      <not-uninit/>
+      <not-bool/>
+    </arg>
+  </function>
+  <!-- void SDL_FreeSurface(SDL_Surface *surface); -->
+  <function name="SDL_FreeSurface">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <arg nr="1">
+      <not-uninit/>
+      <not-bool/>
+    </arg>
+  </function>
+  <!-- int SDL_Init(Uint32 flags) -->
+  <!-- int SDL_InitSubSystem(Uint32 flags) -->
+  <function name="SDL_Init,SDL_InitSubSystem">
+    <noreturn>false</noreturn>
+    <returnValue type="int"/>
+    <leak-ignore/>
+    <arg nr="1" direction="in">
+      <not-uninit/>
+    </arg>
+  </function>
+  <!-- void SDL_Log(const char* fmt, ...) -->
+  <function name="SDL_Log">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <leak-ignore/>
+    <formatstr/>
+    <arg nr="1" direction="in">
+      <not-uninit/>
+      <formatstr/>
+    </arg>
+  </function>
+  <!-- void SDL_LogMessage(int             category,
+                           SDL_LogPriority priority,
+                           const char*     fmt,
+                           ...) -->
+  <function name="SDL_LogMessage">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <leak-ignore/>
+    <arg nr="1" direction="in">
+      <not-uninit/>
+    </arg>
+    <arg nr="2" direction="in">
+      <not-uninit/>
+    </arg>
+    <formatstr/>
+    <arg nr="3" direction="in">
+      <not-uninit/>
+      <formatstr/>
+    </arg>
+  </function>
+  <!-- int SDL_LockSurface(SDL_Surface* surface) -->
+  <function name="SDL_LockSurface">
+    <noreturn>false</noreturn>
+    <returnValue type="int"/>
+    <leak-ignore/>
+    <arg nr="1">
+      <not-uninit/>
+      <not-bool/>
+    </arg>
+  </function>
+  <!-- Uint32 SDL_MapRGB(const SDL_PixelFormat* format,
+                         Uint8                  r, 
+                         Uint8                  g, 
+                         Uint8                  b) -->
+  <function name="SDL_MapRGB">
+    <noreturn>false</noreturn>
+    <returnValue type="Uint32"/>
+    <use-retval/>
+    <leak-ignore/>
+    <arg nr="1" direction="in">
+      <not-uninit/>
+    </arg>
+    <arg nr="2" direction="in">
+      <not-uninit/>
+    </arg>
+    <arg nr="3" direction="in">
+      <not-uninit/>
+    </arg>
+    <arg nr="4" direction="in">
+      <not-uninit/>
+      <not-bool/>
+    </arg>
+  </function>
+  <!-- SDL_bool SDL_MUSTLOCK(SDL_Surface* surface) -->
+  <function name="SDL_MUSTLOCK">
+    <noreturn>false</noreturn>
+    <returnValue type="SDL_bool"/>
+    <use-retval/>
+    <leak-ignore/>
+    <arg nr="1" direction="in">
+      <not-uninit/>
+      <not-bool/>
+    </arg>
+  </function>
   <function name="SDL_mutexP">
     <noreturn>false</noreturn>
     <arg nr="1">
@@ -14,23 +235,76 @@
       <not-null/>
     </arg>
   </function>
+  <!-- void SDL_Quit(void) -->
+  <function name="SDL_Quit">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+  </function>
+  <!-- void SDL_QuitSubSystem(Uint32 flags) -->
+  <function name="SDL_QuitSubSystem">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <arg nr="1" direction="in">
+      <not-uninit/>
+      <not-bool/>
+    </arg>
+  </function>
+  <!-- Sint64 SDL_RWsize(SDL_RWops* context) -->
   <function name="SDL_RWsize">
     <noreturn>false</noreturn>
+    <returnValue type="Sint64"/>
+    <use-retval/>
+    <leak-ignore/>
     <arg nr="1">
       <not-bool/>
       <not-null/>
     </arg>
   </function>
+  <!-- size_t SDL_RWread(struct SDL_RWops* context,
+                         void*             ptr,
+                         size_t            size,
+                         size_t            maxnum) -->
   <function name="SDL_RWread">
     <noreturn>false</noreturn>
+    <returnValue type="size_t"/>
+    <leak-ignore/>
     <arg nr="1">
       <not-bool/>
       <not-null/>
+      <not-uninit/>
     </arg>
-    <arg nr="2">
+    <arg nr="2" direction="out">
       <not-bool/>
       <not-null/>
     </arg>
+    <arg nr="3" direction="in">
+      <not-uninit/>
+    </arg>
+    <arg nr="4" direction="in">
+      <not-uninit/>
+      <not-bool/>
+    </arg>
+  </function>
+  <!-- int SDL_SetError(const char* fmt, ...) -->
+  <function name="SDL_SetError">
+    <noreturn>false</noreturn>
+    <returnValue type="int">-1</returnValue>
+    <formatstr/>
+    <arg nr="1" direction="in">
+      <not-null/>
+      <not-uninit/>
+      <formatstr/>
+    </arg>
+  </function>
+  <!-- void SDL_UnlockSurface(SDL_Surface* surface) -->
+  <function name="SDL_UnlockSurface">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <leak-ignore/>
+    <arg nr="1">
+      <not-uninit/>
+      <not-bool/>
+    </arg>
   </function>
   <function name="IMG_isPNG">
     <noreturn>false</noreturn>
@@ -46,9 +320,11 @@
       <not-null/>
     </arg>
   </function>
+  <!-- ########## SDL Memory/Resource Allocation/Deallocation ########## -->
   <resource>
     <dealloc>SDL_FreeSurface</dealloc>
     <alloc init="true">SDL_CreateRGBSurface</alloc>
+    <alloc init="true">SDL_CreateRGBSurfaceFrom</alloc>
     <alloc init="true">SDL_ConvertSurface</alloc>
     <alloc init="true">TTF_RenderUTF8_Blended</alloc>
     <alloc init="true">IMG_LoadPNG_RW</alloc>