[PATCH v2 5/5] wined3d: Implement NOOVERWITE maps in wined3d_deferred_context_prepare_upload_bo().

[Henri Verbeet]

On Wed, 30 Jun 2021 at 06:34, Zebediah Figura <z.figura12 at gmail.com> wrote:
> @@ -3452,12 +3452,31 @@ static void *wined3d_deferred_context_prepare_upload_bo(struct wined3d_device_co
>          return NULL;
>      }
>
> -    if (flags & ~(WINED3D_MAP_WRITE | WINED3D_MAP_DISCARD))
> +    if (flags & ~(WINED3D_MAP_WRITE | WINED3D_MAP_DISCARD | WINED3D_MAP_NOOVERWRITE))
>      {
>          FIXME("Unhandled flags %#x.\n", flags);
>          return NULL;
>      }
>
> +    if (flags & WINED3D_MAP_NOOVERWRITE)
> +    {
> +        int i = deferred->upload_count;
> +
> +        while (i--)
> +        {
> +            struct wined3d_deferred_upload *upload = &deferred->uploads[i];
> +
> +            if (upload->resource == resource && upload->sub_resource_idx == sub_resource_idx)
> +            {
> +                address->buffer_object = 0;
> +                address->addr = upload->sysmem;
> +                return upload->sysmem;
> +            }
> +        }
> +
> +        return NULL;
> +    }
> +
I.e., wined3d_deferred_context_get_upload_bo(), right?