deps: update to SDL 3.2.16 (#3975)

third-party/SDL/include/SDL3/SDL.h

@@ -20,7 +20,7 @@
 */
 
 /**
- * Main include header for the SDL library, version 3.2.14
+ * Main include header for the SDL library, version 3.2.16
  *
  * It is almost always best to include just this one header instead of
  * picking out individual headers included here. There are exceptions to

third-party/SDL/include/SDL3/SDL_hints.h

@@ -2026,8 +2026,8 @@ extern "C" {
  *
  * The variable can be set to the following values:
  *
- * - "0": RAWINPUT drivers are not used.
- * - "1": RAWINPUT drivers are used. (default)
+ * - "0": RAWINPUT drivers are not used. (default)
+ * - "1": RAWINPUT drivers are used.
  *
  * This hint should be set before SDL is initialized.
  *

third-party/SDL/include/SDL3/SDL_init.h

@@ -79,7 +79,7 @@ typedef Uint32 SDL_InitFlags;
 
 #define SDL_INIT_AUDIO      0x00000010u /**< `SDL_INIT_AUDIO` implies `SDL_INIT_EVENTS` */
 #define SDL_INIT_VIDEO      0x00000020u /**< `SDL_INIT_VIDEO` implies `SDL_INIT_EVENTS`, should be initialized on the main thread */
-#define SDL_INIT_JOYSTICK   0x00000200u /**< `SDL_INIT_JOYSTICK` implies `SDL_INIT_EVENTS`, should be initialized on the same thread as SDL_INIT_VIDEO on Windows if you don't set SDL_HINT_JOYSTICK_THREAD */
+#define SDL_INIT_JOYSTICK   0x00000200u /**< `SDL_INIT_JOYSTICK` implies `SDL_INIT_EVENTS` */
 #define SDL_INIT_HAPTIC     0x00001000u
 #define SDL_INIT_GAMEPAD    0x00002000u /**< `SDL_INIT_GAMEPAD` implies `SDL_INIT_JOYSTICK` */
 #define SDL_INIT_EVENTS     0x00004000u

third-party/SDL/include/SDL3/SDL_pixels.h

@@ -517,7 +517,7 @@ typedef enum SDL_PackedLayout
  *   ABGR32, define a platform-independent encoding into bytes in the order
  *   specified. For example, in RGB24 data, each pixel is encoded in 3 bytes
  *   (red, green, blue) in that order, and in ABGR32 data, each pixel is
- *   encoded in 4 bytes alpha, blue, green, red) in that order. Use these
+ *   encoded in 4 bytes (alpha, blue, green, red) in that order. Use these
  *   names if the property of a format that is important to you is the order
  *   of the bytes in memory or on disk.
  * - Names with a bit count per component, such as ARGB8888 and XRGB1555, are

third-party/SDL/include/SDL3/SDL_stdinc.h

@@ -4656,7 +4656,7 @@ extern SDL_DECLSPEC float SDLCALL SDL_atanf(float x);
  *
  * Domain: `-INF <= x <= INF`, `-INF <= y <= INF`
  *
- * Range: `-Pi/2 <= y <= Pi/2`
+ * Range: `-Pi <= y <= Pi`
  *
  * This function operates on double-precision floating point values, use
  * SDL_atan2f for single-precision floats.
@@ -4692,7 +4692,7 @@ extern SDL_DECLSPEC double SDLCALL SDL_atan2(double y, double x);
  *
  * Domain: `-INF <= x <= INF`, `-INF <= y <= INF`
  *
- * Range: `-Pi/2 <= y <= Pi/2`
+ * Range: `-Pi <= y <= Pi`
  *
  * This function operates on single-precision floating point values, use
  * SDL_atan2 for double-precision floats.

third-party/SDL/include/SDL3/SDL_surface.h

@@ -1279,10 +1279,11 @@ extern SDL_DECLSPEC bool SDLCALL SDL_BlitSurfaceUncheckedScaled(SDL_Surface *src
  *
  * \param src the SDL_Surface structure to be copied from.
  * \param srcrect the SDL_Rect structure representing the rectangle to be
- *                copied, may not be NULL.
+ *                copied, or NULL to copy the entire surface.
  * \param dst the SDL_Surface structure that is the blit target.
  * \param dstrect the SDL_Rect structure representing the target rectangle in
- *                the destination surface, may not be NULL.
+ *                the destination surface, or NULL to fill the entire
+ *                destination surface.
  * \param scaleMode the SDL_ScaleMode to be used.
  * \returns true on success or false on failure; call SDL_GetError() for more
  *          information.

third-party/SDL/include/SDL3/SDL_version.h

@@ -62,7 +62,7 @@ extern "C" {
  *
  * \since This macro is available since SDL 3.2.0.
  */
-#define SDL_MICRO_VERSION   14
+#define SDL_MICRO_VERSION   16
 
 /**
  * This macro turns the version numbers into a numeric value.