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Convert ticks to 64-bit, added nanosecond precision to the API

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Fixes https://github.com/libsdl-org/SDL/issues/5512
Fixes https://github.com/libsdl-org/SDL/issues/6731
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Sam Lantinga
2022-12-02 01:17:17 -08:00
parent 764b899a13
commit 8121bbd083
96 changed files with 938 additions and 1243 deletions
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@@ -32,4 +32,10 @@ General:
* Added SDL_CreateSurface() and SDL_CreateSurfaceFrom() which replace the SDL_CreateRGBSurface*()
* Removed unused 'flags' parameter from SDL_ConvertSurface and SDL_ConvertSurfaceFormat
* Removed 'SDL_GL_CONTEXT_EGL' from OpenGL configuration attributes
* SDL_GetTicks() now returns a 64-bit value and the tick values should be directly compared instead of using the SDL_TICKS_PASSED macro
* Added SDL_GetTicksNS() to return the number of nanoseconds since the SDL library initialized
* Added SDL_DelayNS() to specify a delay in nanoseconds, to the highest precision the system will support
* Added SDL_WaitEventTimeoutNS() to wait for events with the highest possible precision
* Added SDL_SemWaitTimeoutNS() to wait for a semaphore with the highest possible precision
* Added SDL_CondWaitTimeoutNS() to wait for a condition variable the highest possible precision
* The timestamp member of the SDL_Event structure is now in nanoseconds, filled in with SDL_GetTicksNS()