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Removed temporary memory from the API

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It was intended to make the API easier to use, but various automatic garbage collection all had flaws, and making the application periodically clean up temporary memory added cognitive load to using the API, and in many cases was it was difficult to restructure threaded code to handle this.

So, we're largely going back to the original system, where the API returns allocated results and you free them.

In addition, to solve the problems we originally wanted temporary memory for:
* Short strings with a finite count, like device names, get stored in a per-thread string pool.
* Events continue to use temporary memory internally, which is cleaned up on the next event processing cycle.
This commit is contained in:
Sam Lantinga 2024-07-26 18:57:18 -07:00
parent 21411c6418
commit 4f55271571
100 changed files with 737 additions and 853 deletions
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8
include/SDL3/SDL_system.h
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@ -418,7 +418,7 @@ extern SDL_DECLSPEC void SDLCALL SDL_SendAndroidBackButton(void);
*
* \sa SDL_GetAndroidExternalStorageState
*/
extern SDL_DECLSPEC_TEMP const char * SDLCALL SDL_GetAndroidInternalStoragePath(void);
extern SDL_DECLSPEC const char * SDLCALL SDL_GetAndroidInternalStoragePath(void);
/**
* Get the current state of external storage for this Android application.
@ -457,7 +457,7 @@ extern SDL_DECLSPEC Uint32 SDLCALL SDL_GetAndroidExternalStorageState(void);
*
* \sa SDL_GetAndroidExternalStorageState
*/
extern SDL_DECLSPEC_TEMP const char * SDLCALL SDL_GetAndroidExternalStoragePath(void);
extern SDL_DECLSPEC const char * SDLCALL SDL_GetAndroidExternalStoragePath(void);
/**
* Get the path used for caching data for this Android application.
@ -476,7 +476,7 @@ extern SDL_DECLSPEC_TEMP const char * SDLCALL SDL_GetAndroidExternalStoragePath(
*
* \since This function is available since SDL 3.0.0.
*/
extern SDL_DECLSPEC_TEMP const char * SDLCALL SDL_GetAndroidCachePath(void);
extern SDL_DECLSPEC const char * SDLCALL SDL_GetAndroidCachePath(void);
typedef void (SDLCALL *SDL_RequestAndroidPermissionCallback)(void *userdata, const char *permission, SDL_bool granted);
@ -630,7 +630,7 @@ typedef enum SDL_WinRT_DeviceFamily
*
* \since This function is available since SDL 3.0.0.
*/
extern SDL_DECLSPEC_TEMP const char * SDLCALL SDL_GetWinRTFSPath(SDL_WinRT_Path pathType);
extern SDL_DECLSPEC const char * SDLCALL SDL_GetWinRTFSPath(SDL_WinRT_Path pathType);
/**
* Detects the device family of WinRT platform at runtime.