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Bugfix : hal lock surface so it does not crash any longer

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svn path=/trunk/; revision=21574
This commit is contained in:
Magnus Olsen 2006-04-13 06:38:52 +00:00
parent becc8a8d30
commit e55cbd36de
1 changed files with 19 additions and 6 deletions
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25
reactos/dll/directx/ddraw/hal/surface_hal.c
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@ -130,13 +130,26 @@ HRESULT Hal_DDrawSurface_Lock(LPDIRECTDRAWSURFACE7 iface, LPRECT prect, LPDDSURF
OutputDebugStringA("Here ddRVal lock");
return Lock.ddRVal;
}
// FIXME ??? is this right ??
RtlZeroMemory(pDDSD,sizeof(DDSURFACEDESC2));
memcpy(pDDSD,&This->Surf->mddsdPrimary,sizeof(DDSURFACEDESC));
pDDSD->dwSize = sizeof(DDSURFACEDESC2);
pDDSD->lpSurface = (LPVOID) Lock.lpSurfData;
if (pDDSD != NULL)
{
if (pDDSD->dwSize == sizeof(DDSURFACEDESC2))
{
RtlZeroMemory(pDDSD,sizeof(DDSURFACEDESC2));
// FIXME the interanl mddsdPrimary shall be DDSURFACEDESC2
memcpy(pDDSD,&This->Surf->mddsdPrimary,sizeof(DDSURFACEDESC));
pDDSD->dwSize = sizeof(DDSURFACEDESC2);
}
if (pDDSD->dwSize == sizeof(DDSURFACEDESC))
{
RtlZeroMemory(pDDSD,sizeof(DDSURFACEDESC));
memcpy(pDDSD,&This->Surf->mddsdPrimary,sizeof(DDSURFACEDESC));
pDDSD->dwSize = sizeof(DDSURFACEDESC);
}
pDDSD->lpSurface = (LPVOID) Lock.lpSurfData;
}
return DD_OK;
}