MrMonopoly/raylib
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Unify busy waiting behavior across conditional compilation branches

Browse Source
This commit is contained in:
flashbackfx 2022-06-06 21:01:39 +02:00
parent e6bc401c93
commit 4e3a1f9922
1 changed files with 17 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
src/rcore.c
View File

@ -686,6 +686,10 @@ static void RecordAutomationEvent(unsigned int frame); // Record frame even
static void PlayAutomationEvent(unsigned int frame); // Play frame events (from internal events array)
#endif
#if defined(SUPPORT_BUSY_WAIT_LOOP) || defined(SUPPORT_PARTIALBUSY_WAIT_LOOP)
static void BusyWaitUntil(double destinationTime);
#endif
#if defined(_WIN32)
// NOTE: We declare Sleep() function symbol to avoid including windows.h (kernel32.lib linkage required)
void __stdcall Sleep(unsigned long msTimeout); // Required for: WaitTime()
@ -4826,15 +4830,14 @@ static void InitTimer(void)
// Ref: http://www.geisswerks.com/ryan/FAQS/timing.html --> All about timming on Win32!
void WaitTime(double seconds)
{
#if defined(SUPPORT_BUSY_WAIT_LOOP)
double previousTime = GetTime();
double currentTime = 0.0;
#if defined(SUPPORT_BUSY_WAIT_LOOP) || defined(SUPPORT_PARTIALBUSY_WAIT_LOOP)
double destinationTime = GetTime() + seconds;
#endif
// Busy wait loop
while ((currentTime - previousTime) < seconds) currentTime = GetTime();
#if defined(SUPPORT_BUSY_WAIT_LOOP)
BusyWaitUntil(destinationTime);
#else
#if defined(SUPPORT_PARTIALBUSY_WAIT_LOOP)
double destinationTime = GetTime() + seconds;
double sleepSeconds = seconds - seconds*0.05; // NOTE: We reserve a percentage of the time for busy waiting
#else
double sleepSeconds = seconds;
@ -4859,11 +4862,18 @@ void WaitTime(double seconds)
#endif
#if defined(SUPPORT_PARTIALBUSY_WAIT_LOOP)
while (GetTime() < destinationTime) { }
BusyWaitUntil(destinationTime);
#endif
#endif
}
#if defined(SUPPORT_BUSY_WAIT_LOOP) || defined(SUPPORT_PARTIALBUSY_WAIT_LOOP)
static void BusyWaitUntil(double destinationTime)
{
while (GetTime() < destinationTime) { }
}
#endif
// Swap back buffer with front buffer (screen drawing)
void SwapScreenBuffer(void)
{