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Updated PDCurses's message pump to use way fewer CPU cycles.

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This commit is contained in:
casey langen 2017-03-23 17:09:09 -07:00
parent 8f448e86ad
commit 648edc92c8
1 changed files with 11 additions and 10 deletions
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21
src/3rdparty/win32_src/pdcurses/pdcutil.c vendored
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@ -16,23 +16,24 @@ void PDC_napms(int ms) /* 'ms' = milli, _not_ microseconds! */
{
/* RR: keep GUI window responsive while PDCurses sleeps */
MSG msg;
DWORD milliseconds_sleep_limit = ms + GetTickCount();
int start, end, sleepMs;
extern bool PDC_bDone;
PDC_LOG(("PDC_napms() - called: ms=%d\n", ms));
start = (int) GetTickCount();
//PDC_LOG(("PDC_napms() - called: ms=%d\n", ms));
/* Pump all pending messages from WIN32 to the window handler */
while( !PDC_bDone && GetTickCount() < milliseconds_sleep_limit )
while( !PDC_bDone && PeekMessage(&msg, NULL, 0, 0, PM_REMOVE) )
{
while( PeekMessage(&msg, NULL, 0, 0, PM_REMOVE) )
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
Sleep(1);
TranslateMessage(&msg);
DispatchMessage(&msg);
}
/* Sleep(ms); */
end = (int) GetTickCount();
sleepMs = ms - (end - start);
sleepMs = (sleepMs < 0) ? 0 : sleepMs;
Sleep((DWORD) sleepMs);
}
const char *PDC_sysname(void)