Add sdl3_init.odin

vendor/sdl3/sdl3_init.odin

@@ -0,0 +1,59 @@
+package sdl3
+
+import "core:c"
+
+InitFlags :: distinct bit_set[InitFlag; Uint32]
+InitFlag :: enum Uint32 {
+	AUDIO     = 4,  /**< `SDL_INIT_AUDIO` implies `SDL_INIT_EVENTS` */
+	VIDEO     = 5,  /**< `SDL_INIT_VIDEO` implies `SDL_INIT_EVENTS`, should be initialized on the main thread */
+	JOYSTICK  = 9,  /**< `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 */
+	HAPTIC    = 12,
+	GAMEPAD   = 13, /**< `SDL_INIT_GAMEPAD` implies `SDL_INIT_JOYSTICK` */
+	EVENTS    = 14,
+	SENSOR    = 15, /**< `SDL_INIT_SENSOR` implies `SDL_INIT_EVENTS` */
+	CAMERA    = 16, /**< `SDL_INIT_CAMERA` implies `SDL_INIT_EVENTS` */
+}
+
+INIT_AUDIO     :: InitFlags{.AUDIO}
+INIT_VIDEO     :: InitFlags{.VIDEO}
+INIT_JOYSTICK  :: InitFlags{.JOYSTICK}
+INIT_HAPTIC    :: InitFlags{.HAPTIC}
+INIT_GAMEPAD   :: InitFlags{.GAMEPAD}
+INIT_EVENTS    :: InitFlags{.EVENTS}
+INIT_SENSOR    :: InitFlags{.SENSOR}
+INIT_CAMERA    :: InitFlags{.CAMERA}
+
+AppResult :: enum c.int {
+	CONTINUE,   /**< Value that requests that the app continue from the main callbacks. */
+	SUCCESS,    /**< Value that requests termination with success from the main callbacks. */
+	FAILURE,     /**< Value that requests termination with error from the main callbacks. */
+}
+
+AppInit_func       :: #type proc "c" (appstate: ^rawptr, argc: c.int, argv: [^]cstring) -> AppResult
+AppIterate_func    :: #type proc "c" (appstate: rawptr) -> AppResult
+AppEvent_func      :: #type proc "c" (appstate: rawptr, event: ^Event) -> AppResult
+AppQuit_func       :: #type proc "c" (appstate: rawptr, result: AppResult)
+MainThreadCallback :: #type proc "c" (userdata: rawptr)
+
+
+PROP_APP_METADATA_NAME_STRING       :: "SDL.app.metadata.name"
+PROP_APP_METADATA_VERSION_STRING    :: "SDL.app.metadata.version"
+PROP_APP_METADATA_IDENTIFIER_STRING :: "SDL.app.metadata.identifier"
+PROP_APP_METADATA_CREATOR_STRING    :: "SDL.app.metadata.creator"
+PROP_APP_METADATA_COPYRIGHT_STRING  :: "SDL.app.metadata.copyright"
+PROP_APP_METADATA_URL_STRING        :: "SDL.app.metadata.url"
+PROP_APP_METADATA_TYPE_STRING       :: "SDL.app.metadata.type"
+
+@(default_calling_convention="c", link_prefix="SDL_", require_results)
+foreign lib {
+	Init                   :: proc(flags: InitFlags) -> bool ---
+	InitSubSystem          :: proc(flags: InitFlags) -> bool ---
+	QuitSubSystem          :: proc(flags: InitFlags) ---
+	WasInit                :: proc(flags: InitFlags) -> InitFlags ---
+	Quit                   :: proc() ---
+	IsMainThread           :: proc() -> bool ---
+	RunOnMainThread        :: proc(callback: MainThreadCallback, userdata: rawptr, wait_complete: bool) -> bool ---
+	SetAppMetadata         :: proc(appname, appversion, appidentifier: cstring) -> bool ---
+	SetAppMetadataProperty :: proc(name: cstring, value: cstring) -> bool ---
+	GetAppMetadataProperty :: proc(name: cstring) -> cstring ---
+}