eden-emu/SDL
15
0
Fork 0
mirror of https://github.com/libsdl-org/SDL.git synced 2025-05-28 15:39:10 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

timer: Added SDL_GetTicks64(), for a timer that doesn't wrap every ~49 days.

Browse source 
Note that this removes the timeGetTime() fallback on Windows; it is a
32-bit counter and SDL2 should never choose to use it, as it only is needed
if QueryPerformanceCounter() isn't available, and QPC is _always_ available
on Windows XP and later.

OS/2 has a similar situation, but since it isn't clear to me that similar
promises can be made about DosTmrQueryTime() even in modern times, I decided
to leave the fallback in, with some heroic measures added to try to provide a
true 64-bit tick counter despite the 49-day wraparound. That approach can
migrate to Windows too, if we discover some truly broken install that doesn't
have QPC and still depends on timeGetTime().

Fixes #4870.
This commit is contained in:
Ryan C. Gordon 2021-10-23 15:00:31 -04:00
parent 0d631c741f
commit 99c9727dc0
11 changed files with 128 additions and 97 deletions
Download patch file Download diff file Expand all files Collapse all files

1
src/dynapi/SDL_dynapi_procs.h
View file

@ -890,3 +890,4 @@ SDL_DYNAPI_PROC(int,SDL_asprintf,(char **a, SDL_PRINTF_FORMAT_STRING const char
#endif
SDL_DYNAPI_PROC(int,SDL_vasprintf,(char **a, const char *b, va_list c),(a,b,c),return)
SDL_DYNAPI_PROC(void*,SDL_GetWindowICCProfile,(SDL_Window *a, size_t *b),(a,b),return)
SDL_DYNAPI_PROC(Uint64,SDL_GetTicks64,(void),(),return)