Frediano,
On Wed, Dec 2, 2015 at 5:19 PM, Frediano Ziglio <fziglio@xxxxxxxxxx> wrote:
> Make possible to safely call display_channel_drawable_unref straight
> forward to get_drawable call.
Sorry, but I didn't get what's the problem we have with the current code.
Would you mind to give me a more detailed an explanation?
>
> Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
> ---
> server/display-channel.c | 20 +++++++++-----------
> 1 file changed, 9 insertions(+), 11 deletions(-)
>
> diff --git a/server/display-channel.c b/server/display-channel.c
> index 809673b..0750de8 100644
> --- a/server/display-channel.c
> +++ b/server/display-channel.c
> @@ -1117,7 +1117,16 @@ Drawable *display_channel_get_drawable(DisplayChannel *display, uint8_t effect,
> drawable->red_drawable = red_drawable_ref(red_drawable);
>
> drawable->surface_id = red_drawable->surface_id;
> + display->surfaces[drawable->surface_id].refs++;
> +
> memcpy(drawable->surface_deps, red_drawable->surface_deps, sizeof(drawable->surface_deps));
> + /*
> + surface->refs is affected by a drawable (that is
> + dependent on the surface) as long as the drawable is alive.
> + However, surface->depend_on_me is affected by a drawable only
> + as long as it is in the current tree (hasn't been rendered yet).
> + */
> + red_inc_surfaces_drawable_dependencies(display, drawable);
>
> return drawable;
> }
> @@ -1128,9 +1137,6 @@ void display_channel_add_drawable(DisplayChannel *display, Drawable *drawable)
> RedDrawable *red_drawable = drawable->red_drawable;
>
> red_drawable->mm_time = reds_get_mm_time();
> - surface_id = drawable->surface_id;
> -
> - display->surfaces[surface_id].refs++;
>
> region_add(&drawable->tree_item.base.rgn, &red_drawable->bbox);
>
> @@ -1143,14 +1149,6 @@ void display_channel_add_drawable(DisplayChannel *display, Drawable *drawable)
> region_destroy(&rgn);
> }
>
> - /*
> - surface->refs is affected by a drawable (that is
> - dependent on the surface) as long as the drawable is alive.
> - However, surface->depend_on_me is affected by a drawable only
> - as long as it is in the current tree (hasn't been rendered yet).
> - */
> - red_inc_surfaces_drawable_dependencies(display, drawable);
> -
> if (region_is_empty(&drawable->tree_item.base.rgn)) {
> return;
> }
> --
> 2.4.3
>
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