Update SDL3 from 3.2.4 to 3.2.20

libs/SDL3/src/SDL_internal.h

@@ -191,6 +191,11 @@
 #define SDL_VIDEO_RENDER_SW 1
 #endif
 
+/* STB image conversion */
+#if !defined(SDL_HAVE_STB) && !defined(SDL_LEAN_AND_MEAN)
+#define SDL_HAVE_STB 1
+#endif
+
 /* YUV formats
    - handling of YUV surfaces
    - blitting and conversion functions */
@@ -198,6 +203,17 @@
 #define SDL_HAVE_YUV 1
 #endif
 
+#ifdef SDL_CAMERA_DISABLED
+#undef SDL_CAMERA_DRIVER_ANDROID
+#undef SDL_CAMERA_DRIVER_COREMEDIA
+#undef SDL_CAMERA_DRIVER_DUMMY
+#undef SDL_CAMERA_DRIVER_EMSCRIPTEN
+#undef SDL_CAMERA_DRIVER_MEDIAFOUNDATION
+#undef SDL_CAMERA_DRIVER_PIPEWIRE
+#undef SDL_CAMERA_DRIVER_V4L2
+#undef SDL_CAMERA_DRIVER_VITA
+#endif
+
 #ifdef SDL_RENDER_DISABLED
 #undef SDL_VIDEO_RENDER_SW
 #undef SDL_VIDEO_RENDER_D3D
@@ -249,6 +265,12 @@ extern "C" {
 #include "SDL_utils_c.h"
 #include "SDL_hashtable.h"
 
+#define PUSH_SDL_ERROR() \
+    { char *_error = SDL_strdup(SDL_GetError());
+
+#define POP_SDL_ERROR() \
+    SDL_SetError("%s", _error); SDL_free(_error); }
+
 // Do any initialization that needs to happen before threads are started
 extern void SDL_InitMainThread(void);