diff options
Diffstat (limited to '')
| -rw-r--r-- | sdl2/timer.ha | 32 | ||||
| -rw-r--r-- | sdl2/video.ha | 13 |
2 files changed, 45 insertions, 0 deletions
diff --git a/sdl2/timer.ha b/sdl2/timer.ha new file mode 100644 index 0000000..da958b6 --- /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 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 +// [[getperformancefrequency]]. +// +// Returns the current counter value. +export @symbol("SDL_GetPerformanceCounter") fn getperformancecounter() u64; + +// Get the count per second of the high resolution counter. +// +// Returns a platform-specific count per second. +export @symbol("SDL_GetPerformanceFrequency") fn 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 delay(ms: u32) void; + +// TODO: Timers diff --git a/sdl2/video.ha b/sdl2/video.ha index e12ca12..e6dfa58 100644 --- a/sdl2/video.ha +++ b/sdl2/video.ha @@ -71,3 +71,16 @@ export @symbol("SDL_CreateWindow") fn create_window(title: const *char, // Destroy a window. export @symbol("SDL_DestroyWindow") fn destroy_window(window: *window) void; + +// Get the size of a window's client area. +// +// Null may safely be passed as the 'w' or 'h' parameter if the width or +// height value is not desired. +// +// The window size in screen coordinates may differ from the size in pixels, if +// the window was created with `ALLOW_HIGHDPI` on a platform with high-dpi +// support (e.g. iOS or macOS). Use [[gl_getdrawablesize]], +// [[vulkan_getdrawablesize]], or [[getrendereroutputsize]] to get the real +// client area size in pixels. +export @symbol("SDL_GetWindowSize") fn get_window_size(window: *window, + w: nullable *int, h: nullable *int) void; |