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Use datatype monotonic_t instead of double to keep track of time

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The time is stored in a signed 64 bit integer with nanosecond accuracy. This eliminates the possibility of floating-point inaccuracies.
`monotonic_t` can currently hold values large enough to work correctly for more than 200 years into the future.
Using a typedef instead of directly using `int64_t` everywhere will also allow easily changing the datatype in the future should the need arise for more precise or bigger time values.
This commit is contained in:
Luflosi
2019-08-02 11:49:02 -05:00
parent 4ec1a8d9c3
commit f3b9ff5f9f
33 changed files with 298 additions and 243 deletions
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6
glfw/init.c vendored
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@@ -201,7 +201,7 @@ _glfwDebug(const char *format, ...) {
{
va_list vl;
fprintf(stderr, "[%.4f] ", glfwGetTime());
fprintf(stderr, "[%.4f] ", monotonic_t_to_s_double(glfwGetTime()));
va_start(vl, format);
vfprintf(stderr, format, vl);
va_end(vl);
@@ -350,13 +350,13 @@ GLFWAPI void glfwStopMainLoop(void) {
}
GLFWAPI unsigned long long glfwAddTimer(
double interval, bool repeats, GLFWuserdatafun callback,
monotonic_t interval, bool repeats, GLFWuserdatafun callback,
void *callback_data, GLFWuserdatafun free_callback)
{
return _glfwPlatformAddTimer(interval, repeats, callback, callback_data, free_callback);
}
GLFWAPI void glfwUpdateTimer(unsigned long long timer_id, double interval, bool enabled) {
GLFWAPI void glfwUpdateTimer(unsigned long long timer_id, monotonic_t interval, bool enabled) {
_glfwPlatformUpdateTimer(timer_id, interval, enabled);
}