Re: [PATCH v6 0/3] MR10874: wined3d: Disallow locking of multisampled back buffers.

[Henri Verbeet (＠hverbeet)]

> ```diff
> @@ -957,7 +957,7 @@ static HRESULT WINAPI d3d8_device_Reset(IDirect3DDevice8 *iface,
>      if (!wined3d_swapchain_desc_from_d3d8(&swapchain_desc,
>              device->d3d_parent->wined3d_outputs[output_idx], present_parameters))
>          return D3DERR_INVALIDCALL;
> -    swapchain_desc.flags |= WINED3D_SWAPCHAIN_IMPLICIT;
> +    swapchain_desc.flags |= WINED3D_SWAPCHAIN_IMPLICIT | WINED3D_SWAPCHAIN_ALLOW_MS_LOCKABLE_BACKBUFFER;
>
> wined3d_mutex_lock();
>
> @@ -3758,7 +3758,7 @@ HRESULT device_init(struct d3d8_device *device, struct d3d8 *parent, struct wine
>          free(device->handle_table.entries);
>          return D3DERR_INVALIDCALL;
>      }
> -    swapchain_desc.flags |= WINED3D_SWAPCHAIN_IMPLICIT;
> +    swapchain_desc.flags |= WINED3D_SWAPCHAIN_IMPLICIT | WINED3D_SWAPCHAIN_ALLOW_MS_LOCKABLE_BACKBUFFER;
>
> if (FAILED(hr = d3d8_swapchain_create(device, &swapchain_desc,
>              wined3dswapinterval_from_d3d(parameters->FullScreen_PresentationInterval), &d3d_swapchain)))
> ```

Should this apply to d3d8_device_CreateAdditionalSwapChain() as well? Or put a different way, would it make sense to set this flag in wined3d_swapchain_desc_from_d3d8()?

-- 
https://gitlab.winehq.org/wine/wine/-/merge_requests/10874#note_141312