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rwops: Reworked RWops for SDL3.

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- SDL_RWops is now an opaque struct.
- SDL_AllocRW is gone. If an app is creating a custom RWops, they pass the
  function pointers to SDL_CreateRW(), which are stored internally.
- SDL_RWclose is gone, there is only SDL_DestroyRW(), which calls the
  implementation's `->close` method before freeing other things.
- There is only one path to create and use RWops now, so we don't have to
  worry about whether `->close` will call SDL_DestroyRW, or if this will
  risk any Properties not being released, etc.
- SDL_RWFrom* still works as expected, for getting a RWops without having
  to supply your own implementation. Objects from these functions are also
  destroyed with SDL_DestroyRW.
- Lots of other cleanup and SDL3ization of the library code.
This commit is contained in:
Ryan C. Gordon 2024-03-12 01:14:38 -04:00
parent 495e432fb9
commit 525919b315
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GPG key ID: FA148B892AB48044
22 changed files with 424 additions and 470 deletions
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5
src/dynapi/SDL_dynapi_procs.h
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@ -142,7 +142,7 @@ SDL_DYNAPI_PROC(SDL_Mutex*,SDL_CreateMutex,(void),(),return)
SDL_DYNAPI_PROC(SDL_Palette*,SDL_CreatePalette,(int a),(a),return)
SDL_DYNAPI_PROC(SDL_PixelFormat*,SDL_CreatePixelFormat,(SDL_PixelFormatEnum a),(a),return)
SDL_DYNAPI_PROC(SDL_Window*,SDL_CreatePopupWindow,(SDL_Window *a, int b, int c, int d, int e, Uint32 f),(a,b,c,d,e,f),return)
SDL_DYNAPI_PROC(SDL_RWops*,SDL_CreateRW,(void),(),return)
SDL_DYNAPI_PROC(SDL_RWops*,SDL_CreateRW,(const SDL_RWopsInterface *a, void *b),(a,b),return)
SDL_DYNAPI_PROC(SDL_RWLock*,SDL_CreateRWLock,(void),(),return)
SDL_DYNAPI_PROC(SDL_Renderer*,SDL_CreateRenderer,(SDL_Window *a, const char *b, Uint32 c),(a,b,c),return)
SDL_DYNAPI_PROC(SDL_Semaphore*,SDL_CreateSemaphore,(Uint32 a),(a),return)
@ -166,7 +166,7 @@ SDL_DYNAPI_PROC(void,SDL_DestroyCursor,(SDL_Cursor *a),(a),)
SDL_DYNAPI_PROC(void,SDL_DestroyMutex,(SDL_Mutex *a),(a),)
SDL_DYNAPI_PROC(void,SDL_DestroyPalette,(SDL_Palette *a),(a),)
SDL_DYNAPI_PROC(void,SDL_DestroyPixelFormat,(SDL_PixelFormat *a),(a),)
SDL_DYNAPI_PROC(void,SDL_DestroyRW,(SDL_RWops *a),(a),)
SDL_DYNAPI_PROC(int,SDL_DestroyRW,(SDL_RWops *a),(a),return)
SDL_DYNAPI_PROC(void,SDL_DestroyRWLock,(SDL_RWLock *a),(a),)
SDL_DYNAPI_PROC(void,SDL_DestroyRenderer,(SDL_Renderer *a),(a),)
SDL_DYNAPI_PROC(void,SDL_DestroySemaphore,(SDL_Semaphore *a),(a),)
@ -538,7 +538,6 @@ SDL_DYNAPI_PROC(void,SDL_QuitSubSystem,(Uint32 a),(a),)
SDL_DYNAPI_PROC(SDL_RWops*,SDL_RWFromConstMem,(const void *a, size_t b),(a,b),return)
SDL_DYNAPI_PROC(SDL_RWops*,SDL_RWFromFile,(const char *a, const char *b),(a,b),return)
SDL_DYNAPI_PROC(SDL_RWops*,SDL_RWFromMem,(void *a, size_t b),(a,b),return)
SDL_DYNAPI_PROC(int,SDL_RWclose,(SDL_RWops *a),(a),return)
SDL_DYNAPI_PROC(size_t,SDL_RWread,(SDL_RWops *a, void *b, size_t c),(a,b,c),return)
SDL_DYNAPI_PROC(Sint64,SDL_RWseek,(SDL_RWops *a, Sint64 b, int c),(a,b,c),return)
SDL_DYNAPI_PROC(Sint64,SDL_RWsize,(SDL_RWops *a),(a),return)