static IDirectDrawSurface* GetBlitSurface()
{
IDirectDrawSurface* blitSurface;
if(PrimarySurfaceVersion < 4)
{
IDirectDrawSurface *surf = (IDirectDrawSurface *) PrimarySurface;
DDSURFACEDESC ddsd;
ZeroMemory(&ddsd,sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
if(FAILED(surf->GetSurfaceDesc(&ddsd)))
printLog("video: can't get surface desc\n");
else
{
ddsd.dwWidth = captureWidth;
ddsd.dwHeight = captureHeight;
ddsd.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_SYSTEMMEMORY;
IDirectDraw *dd = (IDirectDraw *) PrimaryDDraw;
if(FAILED(dd->CreateSurface(&ddsd,&blitSurface,0)))
printLog("video: could not create blit target\n");
}
}
else
{
IDirectDrawSurface4 *srf4 = (IDirectDrawSurface4 *) PrimarySurface;
DDSURFACEDESC2 ddsd;
ZeroMemory(&ddsd,sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
if(FAILED(srf4->GetSurfaceDesc(&ddsd)))
printLog("video: can't get surface desc\n");
else
{
ddsd.dwWidth = captureWidth;
ddsd.dwHeight = captureHeight;
ddsd.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_SYSTEMMEMORY;
ddsd.ddsCaps.dwCaps2 = 0;
IDirectDraw4 *dd = (IDirectDraw4 *) PrimaryDDraw;
if(FAILED(dd->CreateSurface(&ddsd,(IDirectDrawSurface4 **) &blitSurface,0)))
printLog("video: could not create blit target\n");
}
}
return blitSurface;
}
static void PrimarySurfaceCreated(IUnknown *ddraw,IUnknown *srfp,int ver)
{
PrimaryDDraw = ddraw;
PrimarySurface = srfp;
PrimarySurfaceVersion = ver;
if(PrimarySurfaceVersion < 4)
{
IDirectDrawSurface *surf = (IDirectDrawSurface *) PrimarySurface;
DDSURFACEDESC ddsd;
ZeroMemory(&ddsd,sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
if(FAILED(surf->GetSurfaceDesc(&ddsd)))
printLog("video: can't get surface desc\n");
else
{
if(captureWidth != ddsd.dwWidth || captureHeight != ddsd.dwHeight)
setCaptureResolution(ddsd.dwWidth,ddsd.dwHeight);
}
}
else
{
IDirectDrawSurface4 *srf4 = (IDirectDrawSurface4 *) PrimarySurface;
DDSURFACEDESC2 ddsd;
ZeroMemory(&ddsd,sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
if(FAILED(srf4->GetSurfaceDesc(&ddsd)))
printLog("video: can't get surface desc\n");
else
{
if(captureWidth != ddsd.dwWidth || captureHeight != ddsd.dwHeight)
setCaptureResolution(ddsd.dwWidth,ddsd.dwHeight);
}
}
graphicsInitTiming();
}