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Show info if your game has problems with sync #497 

there is no sense to use delay less then 10ms
This commit is contained in:
BADIM-PC\Vadim 2018-01-05 00:38:59 +03:00
parent 8f3e01a528
commit d93d1f539b
1 changed files with 14 additions and 10 deletions
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24
src/studio.c
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@ -2783,10 +2783,8 @@ s32 main(s32 argc, char **argv)
createFileSystem(argc > 1 && fsExists(argv[1]) ? fsBasename(argv[1]) : NULL, onFSInitialized);
{
u64 nextTick = SDL_GetPerformanceCounter();
const u64 Delta = SDL_GetPerformanceFrequency() / TIC_FRAMERATE;
bool useTimer = false;
bool useDelay = false;
{
SDL_RendererInfo info;
SDL_DisplayMode mode;
@ -2794,9 +2792,14 @@ s32 main(s32 argc, char **argv)
SDL_GetRendererInfo(studio.renderer, &info);
SDL_GetCurrentDisplayMode(SDL_GetWindowDisplayIndex(studio.window), &mode);
useTimer = !(info.flags & SDL_RENDERER_PRESENTVSYNC) || mode.refresh_rate != TIC_FRAMERATE;
useDelay = !(info.flags & SDL_RENDERER_PRESENTVSYNC) || mode.refresh_rate != TIC_FRAMERATE;
}
enum{MinDelay = 10};
u64 nextTick = SDL_GetPerformanceCounter();
const u64 Delta = SDL_GetPerformanceFrequency() / TIC_FRAMERATE;
while (!studio.quitFlag)
{
nextTick += Delta;
@ -2806,16 +2809,17 @@ s32 main(s32 argc, char **argv)
{
s64 delay = nextTick - SDL_GetPerformanceCounter();
if(delay > 0)
{
if(SDL_GetWindowFlags(studio.window) & SDL_WINDOW_MINIMIZED || useTimer)
SDL_Delay((u32)(delay * 1000 / SDL_GetPerformanceFrequency()));
}
else
if(delay < 0)
{
nextTick -= delay;
studio.deSync = true;
}
else if(delay >= MinDelay)
{
if(useDelay || SDL_GetWindowFlags(studio.window) & SDL_WINDOW_MINIMIZED)
SDL_Delay((u32)(delay * 1000 / SDL_GetPerformanceFrequency()));
}
else nextTick -= delay;
}
}
}