Re: [PATCH 18/18] display: factor out current_find_intersects_rect

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On Mon, Nov 23, 2015 at 6:02 PM, Frediano Ziglio <fziglio@xxxxxxxxxx> wrote:
> From: Marc-André Lureau <marcandre.lureau@xxxxxxxxx>
>
> ---
>  server/display-channel.c | 51 ++++++++++++++++++++++++++++--------------------
>  1 file changed, 30 insertions(+), 21 deletions(-)
>
> diff --git a/server/display-channel.c b/server/display-channel.c
> index a78f86a..ab70947 100644
> --- a/server/display-channel.c
> +++ b/server/display-channel.c
> @@ -1299,6 +1299,30 @@ static void draw_until(DisplayChannel *display, RedSurface *surface, Drawable *l
>      } while (now != last);
>  }
>
> +static Drawable* current_find_intersects_rect(Ring *current, const SpiceRect *area)
> +{
> +    Ring *ring;
> +    RingItem *ring_item;
> +    QRegion rgn;
> +    Drawable *last = NULL, *now;
> +
> +    ring = current;
> +    ring_item = ring;
> +    region_init(&rgn);
> +    region_add(&rgn, area);
> +
> +    while ((ring_item = ring_next(ring, ring_item))) {
> +        now = SPICE_CONTAINEROF(ring_item, Drawable, surface_list_link);
> +        if (region_intersects(&rgn, &now->tree_item.base.rgn)) {
> +            last = now;
> +            break;
> +        }
> +    }
> +
> +    region_destroy(&rgn);
> +    return last;
> +}
> +
>  /*
>   * Renders drawables for updating the requested area, but only drawables that are older
>   * than 'last' (exclusive).
> @@ -1376,10 +1400,8 @@ void display_channel_draw_till(DisplayChannel *display, const SpiceRect *area, i
>  void display_channel_draw(DisplayChannel *display, const SpiceRect *area, int surface_id)
>  {
>      RedSurface *surface;
> -    Ring *ring;
> -    RingItem *ring_item;
> -    QRegion rgn;
> -    Drawable *last, *now;
> +    Drawable *last;
> +
>      spice_debug("surface %d: area ==>", surface_id);
>      rect_debug(area);
>
> @@ -1390,23 +1412,10 @@ void display_channel_draw(DisplayChannel *display, const SpiceRect *area, int su
>
>      surface = &display->surfaces[surface_id];
>
> -    last = NULL;
> -    ring = &surface->current_list;
> -    ring_item = ring;
> -
> -    region_init(&rgn);
> -    region_add(&rgn, area);
> -    while ((ring_item = ring_next(ring, ring_item))) {
> -        now = SPICE_CONTAINEROF(ring_item, Drawable, surface_list_link);
> -        if (region_intersects(&rgn, &now->tree_item.base.rgn)) {
> -            last = now;
> -            break;
> -        }
> -    }
> -    region_destroy(&rgn);
> -
> -    if (last)
> -        draw_until(display, surface, last);
> +    last = current_find_intersects_rect(&surface->current_list, area);
> +    if (!last)
> +        return;
>
> +    draw_until(display, surface, last);
>      surface_update_dest(surface, area);
>  }
> --
> 2.4.3
>
> _______________________________________________
> Spice-devel mailing list
> Spice-devel@xxxxxxxxxxxxxxxxxxxxx
> http://lists.freedesktop.org/mailman/listinfo/spice-devel

Looks good!
Acked-by: Fabiano Fidêncio <fidencio@xxxxxxxxxx>
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