diff options
Diffstat (limited to 'sdl2/timer.ha')
| -rw-r--r-- | sdl2/timer.ha | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/sdl2/timer.ha b/sdl2/timer.ha new file mode 100644 index 0000000..d90511a --- /dev/null +++ b/sdl2/timer.ha @@ -0,0 +1,32 @@ +// Get the number of milliseconds since SDL library initialization. +// +// This value wraps if the program runs for more than ~49 days. +// +// Returns an unsigned 32-bit value representing the number of milliseconds +// since the SDL library initialized. +export @symbol("SDL_GetTicks") fn SDL_GetTicks() u32; + +// Get the current value of the high resolution counter. +// +// This function is typically used for profiling. +// +// The counter values are only meaningful relative to each other. Differences +// between values can be converted to times by using +// [[SDL_GetPerformanceFrequency]]. +// +// Returns the current counter value. +export @symbol("SDL_GetPerformanceCounter") fn SDL_GetPerformanceCounter() u64; + +// Get the count per second of the high resolution counter. +// +// Returns a platform-specific count per second. +export @symbol("SDL_GetPerformanceFrequency") fn SDL_GetPerformanceFrequency() u64; + +// Wait a specified number of milliseconds before returning. +// +// This function waits a specified number of milliseconds before returning. It +// waits at least the specified time, but possibly longer due to OS +// scheduling. +export @symbol("SDL_Delay") fn SDL_Delay(ms: u32) void; + +// TODO: Timers |