initial commit

archive/vendor/github.com/veandco/go-sdl2/sdl/timer.go

@@ -0,0 +1,55 @@
+package sdl
+
+/*
+#include "sdl_wrapper.h"
+
+#if !(SDL_VERSION_ATLEAST(2,0,18))
+
+#if defined(WARN_OUTDATED)
+#pragma message("SDL_GetTicks64 is not supported before SDL 2.0.18")
+#endif
+
+static inline Uint64 SDLCALL SDL_GetTicks64(void)
+{
+	return 0;
+}
+#endif
+*/
+import "C"
+
+// GetTicks returns the number of milliseconds since the SDL library initialization.
+//
+// Deprecated: This function is not recommended as of SDL 2.0.18; use GetTicks64()
+// instead, where the value doesn't wrap every ~49 days. There are places in
+// SDL where we provide a 32-bit timestamp that can not change without
+// breaking binary compatibility, though, so this function isn't officially
+// deprecated.
+//
+// (https://wiki.libsdl.org/SDL_GetTicks)
+func GetTicks() uint32 {
+	return uint32(C.SDL_GetTicks())
+}
+
+// GetTicks64 returns the number of milliseconds since the SDL library initialization.
+// (https://wiki.libsdl.org/SDL_GetTicks64)
+func GetTicks64() uint64 {
+	return uint64(C.SDL_GetTicks64())
+}
+
+// GetPerformanceCounter returns the current value of the high resolution counter.
+// (https://wiki.libsdl.org/SDL_GetPerformanceCounter)
+func GetPerformanceCounter() uint64 {
+	return uint64(C.SDL_GetPerformanceCounter())
+}
+
+// GetPerformanceFrequency returns the count per second of the high resolution counter.
+// (https://wiki.libsdl.org/SDL_GetPerformanceFrequency)
+func GetPerformanceFrequency() uint64 {
+	return uint64(C.SDL_GetPerformanceFrequency())
+}
+
+// Delay waits a specified number of milliseconds before returning.
+// (https://wiki.libsdl.org/SDL_Delay)
+func Delay(ms uint32) {
+	C.SDL_Delay(C.Uint32(ms))
+}