Update SDL2 to the latest commit (85bbf8e)

libs/SDL2/include/SDL_config_winrt.h

@@ -92,6 +92,10 @@ typedef unsigned int uintptr_t;
 # define SIZEOF_VOIDP 4
 #endif
 
+#ifdef __clang__
+# define HAVE_GCC_ATOMICS 1
+#endif
+
 /* Useful headers */
 #define HAVE_DXGI_H 1
 #if WINAPI_FAMILY != WINAPI_FAMILY_PHONE_APP
@@ -119,6 +123,7 @@ typedef unsigned int uintptr_t;
 #define HAVE_FREE 1
 #define HAVE_ALLOCA 1
 #define HAVE_QSORT 1
+#define HAVE_BSEARCH 1
 #define HAVE_ABS 1
 #define HAVE_MEMSET 1
 #define HAVE_MEMCPY 1
@@ -191,6 +196,8 @@ typedef unsigned int uintptr_t;
 #define HAVE_TRUNCF 1
 #define HAVE__FSEEKI64 1
 
+#define HAVE_ROAPI_H  1
+
 /* Enable various audio drivers */
 #define SDL_AUDIO_DRIVER_WASAPI 1
 #define SDL_AUDIO_DRIVER_DISK   1
@@ -243,6 +250,9 @@ typedef unsigned int uintptr_t;
 /* Enable appropriate renderer(s) */
 #define SDL_VIDEO_RENDER_D3D11  1
 
+/* Disable D3D12 as it's not implemented for WinRT */
+#define SDL_VIDEO_RENDER_D3D12  0
+
 #if SDL_VIDEO_OPENGL_ES2
 #define SDL_VIDEO_RENDER_OGL_ES2 1
 #endif
@@ -250,9 +260,4 @@ typedef unsigned int uintptr_t;
 /* Enable system power support */
 #define SDL_POWER_WINRT 1
 
-/* Enable assembly routines (Win64 doesn't have inline asm) */
-#ifndef _WIN64
-#define SDL_ASSEMBLY_ROUTINES   1
-#endif
-
 #endif /* SDL_config_winrt_h_ */