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ddraw: Check for NULL pointers in SetCurrentViewport.

This commit is contained in:
Stefan Dösinger 2013-01-26 13:39:45 +01:00 committed by Alexandre Julliard
parent 8e6e420a9d
commit 351730e2d6
1 changed files with 9 additions and 2 deletions
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11
dlls/ddraw/device.c
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@ -1703,9 +1703,15 @@ static HRESULT WINAPI d3d_device3_SetCurrentViewport(IDirect3DDevice3 *iface, ID
TRACE("iface %p, viewport %p.\n", iface, Direct3DViewport3);
if (!vp)
{
WARN("Direct3DViewport3 is NULL, returning DDERR_INVALIDPARAMS\n");
return DDERR_INVALIDPARAMS;
}
wined3d_mutex_lock();
/* Do nothing if the specified viewport is the same as the current one */
if (This->current_viewport == vp )
if (This->current_viewport == vp)
{
wined3d_mutex_unlock();
return D3D_OK;
@ -1745,7 +1751,8 @@ static HRESULT WINAPI d3d_device2_SetCurrentViewport(IDirect3DDevice2 *iface, ID
TRACE("iface %p, viewport %p.\n", iface, viewport);
return d3d_device3_SetCurrentViewport(&device->IDirect3DDevice3_iface, &vp->IDirect3DViewport3_iface);
return d3d_device3_SetCurrentViewport(&device->IDirect3DDevice3_iface,
vp ? &vp->IDirect3DViewport3_iface : NULL);
}
/*****************************************************************************