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- remove old vid_maxfps implementations as they were garbage anyway and the new one works on all the platforms

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This commit is contained in:
Magnus Norddahl 2019-03-26 11:10:17 +01:00
commit 9f0f659db0
14 changed files with 44 additions and 281 deletions
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86
src/win32/hardware.cpp
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@ -51,7 +51,6 @@
#include "i_system.h"
#include "swrenderer/r_swrenderer.h"
EXTERN_CVAR(Int, vid_maxfps)
EXTERN_CVAR(Int, vid_backend)
extern HWND Window;
@ -154,88 +153,3 @@ void I_InitGraphics ()
atterm (I_ShutdownGraphics);
}
static UINT FPSLimitTimer;
HANDLE FPSLimitEvent;
//==========================================================================
//
// SetFPSLimit
//
// Initializes an event timer to fire at a rate of <limit>/sec. The video
// update will wait for this timer to trigger before updating.
//
// Pass 0 as the limit for unlimited.
// Pass a negative value for the limit to use the value of vid_maxfps.
//
//==========================================================================
static void StopFPSLimit()
{
I_SetFPSLimit(0);
}
void I_SetFPSLimit(int limit)
{
if (limit < 0)
{
limit = vid_maxfps;
}
// Kill any leftover timer.
if (FPSLimitTimer != 0)
{
timeKillEvent(FPSLimitTimer);
FPSLimitTimer = 0;
}
if (limit == 0)
{ // no limit
if (FPSLimitEvent != NULL)
{
CloseHandle(FPSLimitEvent);
FPSLimitEvent = NULL;
}
DPrintf(DMSG_NOTIFY, "FPS timer disabled\n");
}
else
{
if (FPSLimitEvent == NULL)
{
FPSLimitEvent = CreateEvent(NULL, FALSE, TRUE, NULL);
if (FPSLimitEvent == NULL)
{ // Could not create event, so cannot use timer.
Printf(DMSG_WARNING, "Failed to create FPS limitter event\n");
return;
}
}
atterm(StopFPSLimit);
// Set timer event as close as we can to limit/sec, in milliseconds.
UINT period = 1000 / limit;
FPSLimitTimer = timeSetEvent(period, 0, (LPTIMECALLBACK)FPSLimitEvent, 0, TIME_PERIODIC | TIME_CALLBACK_EVENT_SET);
if (FPSLimitTimer == 0)
{
CloseHandle(FPSLimitEvent);
FPSLimitEvent = NULL;
Printf("Failed to create FPS limiter timer\n");
return;
}
DPrintf(DMSG_NOTIFY, "FPS timer set to %u ms\n", period);
}
}
//==========================================================================
//
// StopFPSLimit
//
// Used for cleanup during application shutdown.
//
//==========================================================================
void I_FPSLimit()
{
if (FPSLimitEvent != NULL)
{
WaitForSingleObject(FPSLimitEvent, 1000);
}
}