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Document that video and input functions should be called on the main thread.

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This is a hard requirement on Apple platforms and while most other platforms don't have a concept of main thread, all video and input functions should be called on the same thread.
This commit is contained in:
Sam Lantinga 2024-12-05 09:45:32 -08:00
parent fffa6c7a2b
commit bc4185c685
7 changed files with 407 additions and 103 deletions
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4
include/SDL3/SDL_init.h
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@ -78,7 +78,7 @@ extern "C" {
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` */
#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_HAPTIC 0x00001000u
#define SDL_INIT_GAMEPAD 0x00002000u /**< `SDL_INIT_GAMEPAD` implies `SDL_INIT_JOYSTICK` */
@ -139,7 +139,7 @@ typedef void (SDLCALL *SDL_AppQuit_func)(void *appstate, SDL_AppResult result);
* - `SDL_INIT_AUDIO`: audio subsystem; automatically initializes the events
* subsystem
* - `SDL_INIT_VIDEO`: video subsystem; automatically initializes the events
* subsystem
* subsystem, should be initialized on the main thread.
* - `SDL_INIT_JOYSTICK`: joystick subsystem; automatically initializes the
* events subsystem
* - `SDL_INIT_HAPTIC`: haptic (force feedback) subsystem