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Use a semaphore object to synchronize rendering thread with the game

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This commit is contained in:
Toni Spets 2011-06-29 22:47:29 +03:00
parent 5192ebc44f
commit a40282013b
6 changed files with 20 additions and 8 deletions
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18
surface.c
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@ -93,12 +93,6 @@ HRESULT __stdcall ddraw_surface_Blt(IDirectDrawSurfaceImpl *This, LPRECT lpDestR
}
#endif
if(This->caps & DDSCAPS_PRIMARYSURFACE && ddraw->render.run)
{
WaitForSingleObject(ddraw->render.ev, INFINITE);
ResetEvent(ddraw->render.ev);
}
if(Source)
{
int dx=0,dy=0;
@ -126,6 +120,13 @@ HRESULT __stdcall ddraw_surface_Blt(IDirectDrawSurfaceImpl *This, LPRECT lpDestR
}
}
if(This->caps & DDSCAPS_PRIMARYSURFACE && ddraw->render.run)
{
ReleaseSemaphore(ddraw->render.sem, 1, NULL);
WaitForSingleObject(ddraw->render.ev, INFINITE);
ResetEvent(ddraw->render.ev);
}
return DD_OK;
}
@ -334,6 +335,11 @@ HRESULT __stdcall ddraw_surface_Unlock(IDirectDrawSurfaceImpl *This, LPVOID lpRe
printf("DirectDrawSurface::Unlock(This=%p, lpRect=%p)\n", This, lpRect);
#endif
if(This->caps & DDSCAPS_PRIMARYSURFACE && ddraw->render.run)
{
ReleaseSemaphore(ddraw->render.sem, 1, NULL);
}
return DD_OK;
}