HRESULT d3drm_device_create_surfaces_from_clipper(struct d3drm_device *object, IDirectDraw *ddraw, IDirectDrawClipper *clipper, int width, int height, IDirectDrawSurface **surface)
{
DDSURFACEDESC surface_desc;
IDirectDrawSurface *primary_surface, *render_target;
HWND window;
HRESULT hr;
hr = IDirectDrawClipper_GetHWnd(clipper, &window);
if (FAILED(hr))
return hr;
hr = IDirectDraw_SetCooperativeLevel(ddraw, window, DDSCL_NORMAL);
if (FAILED(hr))
return hr;
memset(&surface_desc, 0, sizeof(surface_desc));
surface_desc.dwSize = sizeof(surface_desc);
surface_desc.dwFlags = DDSD_CAPS;
surface_desc.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
hr = IDirectDraw_CreateSurface(ddraw, &surface_desc, &primary_surface, NULL);
if (FAILED(hr))
return hr;
hr = IDirectDrawSurface_SetClipper(primary_surface, clipper);
if (FAILED(hr))
{
IDirectDrawSurface_Release(primary_surface);
return hr;
}
memset(&surface_desc, 0, sizeof(surface_desc));
surface_desc.dwSize = sizeof(surface_desc);
surface_desc.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT;
surface_desc.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_3DDEVICE;
surface_desc.dwWidth = width;
surface_desc.dwHeight = height;
hr = IDirectDraw_CreateSurface(ddraw, &surface_desc, &render_target, NULL);
if (FAILED(hr))
{
IDirectDrawSurface_Release(primary_surface);
return hr;
}
object->primary_surface = primary_surface;
object->clipper = clipper;
IDirectDrawClipper_AddRef(clipper);
*surface = render_target;
return D3DRM_OK;
}
static HRESULT WINAPI ddraw_clipper_QueryInterface(IDirectDrawClipper *iface, REFIID iid, void **object)
{
struct ddraw_clipper *clipper = impl_from_IDirectDrawClipper(iface);
TRACE("iface %p, iid %s, object %p.\n", iface, debugstr_guid(iid), object);
if (IsEqualGUID(&IID_IDirectDrawClipper, iid)
|| IsEqualGUID(&IID_IUnknown, iid))
{
IDirectDrawClipper_AddRef(&clipper->IDirectDrawClipper_iface);
*object = &clipper->IDirectDrawClipper_iface;
return S_OK;
}
WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(iid));
*object = NULL;
return E_NOINTERFACE;
}
