Re: [PATCH 3/9] d3d11: Implement d3d11_immediate_context_OMGetBlendState().

[Henri Verbeet]

On 24 June 2016 at 11:45, Józef Kucia  wrote:
> @@ -4044,16 +4053,17 @@ static void STDMETHODCALLTYPE d3d10_device_OMGetBlendState(ID3D10Device1 *iface,
>          ID3D10BlendState **blend_state, FLOAT blend_factor[4], UINT *sample_mask)
>  {
>      struct d3d_device *device = impl_from_ID3D10Device(iface);
> -
>
> ID3D11BlendState *d3d11_blend_state;
> -
>
> struct d3d_blend_state *object;
>
> TRACE("iface %p, blend_state %p, blend_factor %p, sample_mask %p.\n",
>         iface, blend_state, blend_factor, sample_mask);
> - if ((*blend_state = device->blend_state ? (ID3D10BlendState *)&device->blend_state->ID3D10BlendState1_iface : NULL))
> -
>    ID3D10BlendState_AddRef(*blend_state);
> - wined3d_mutex_lock();
> - memcpy(blend_factor, device->blend_factor, 4 * sizeof(*blend_factor));
> - *sample_mask = wined3d_device_get_render_state(device->wined3d_device, WINED3D_RS_MULTISAMPLEMASK);
> - wined3d_mutex_unlock();
> - d3d11_immediate_context_OMGetBlendState(&device->immediate_context.ID3D11DeviceContext_iface,
> -
>        &d3d11_blend_state, blend_factor, sample_mask);
> -
> - object = unsafe_impl_from_ID3D11BlendState(d3d11_blend_state);

Why not just impl_from_ID3D11BlendState() here?