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Add vsync ini option, controls GL_EXT_swap_control, default disabled

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This commit is contained in:
Toni Spets 2010-11-17 22:12:19 +02:00
parent fe6322d165
commit d066962617
3 changed files with 32 additions and 1 deletions
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14
main.c
View File

@ -515,8 +515,10 @@ HRESULT WINAPI DirectDrawCreate(GUID FAR* lpGUID, LPDIRECTDRAW FAR* lplpDD, IUnk
"; bits per pixel, possible values: 16, 24 and 32, 0 = auto\n"
"bpp=0\n"
"windowed=true\n"
"; real rendering rate, -1 = vsync, 0 = unlimited, n = cap\n"
"; real rendering rate, -1 = screen rate, 0 = unlimited, n = cap\n"
"maxfps=120\n"
"; vertical synchronization, enable if you get tearing\n"
"vsync=false\n"
"; scaling filter, nearest = sharp, linear = smooth\n"
"filter=nearest\n"
"; mouse sensitivity scaling\n"
@ -596,6 +598,16 @@ HRESULT WINAPI DirectDrawCreate(GUID FAR* lpGUID, LPDIRECTDRAW FAR* lplpDD, IUnk
This->devmode = FALSE;
}
GetPrivateProfileStringA("ddraw", "vsync", "FALSE", tmp, sizeof(tmp), ini_path);
if(tolower(tmp[0]) == 'y' || tolower(tmp[0]) == 't' || tmp[0] == '1')
{
This->vsync = TRUE;
}
else
{
This->vsync = FALSE;
}
This->Ref = 0;
ddraw_AddRef(This);

1
main.h
View File

@ -73,6 +73,7 @@ typedef struct IDirectDrawImpl
BOOL adjmouse;
BOOL mhack;
BOOL devmode;
BOOL vsync;
} IDirectDrawImpl;

18
render.c
View File

@ -34,6 +34,24 @@ DWORD WINAPI render_main(void)
hRC = wglCreateContext( ddraw->render.hDC );
wglMakeCurrent( ddraw->render.hDC, hRC );
char *glext = (char *)glGetString(GL_EXTENSIONS);
if(glext && strstr(glext, "WGL_EXT_swap_control"))
{
BOOL (APIENTRY *wglSwapIntervalEXT)(int) = (BOOL (APIENTRY *)(int))wglGetProcAddress("wglSwapIntervalEXT");
if(wglSwapIntervalEXT)
{
if(ddraw->vsync)
{
wglSwapIntervalEXT(1);
}
else
{
wglSwapIntervalEXT(0);
}
}
}
DWORD tick_start;
DWORD tick_end;
DWORD frame_len;