cb9d6b79ef
Just as with painting, add a pick context that carries pick related temporary state when doing actor picking. It is currently unused, and will at least at first still carry around a framebuffer to deal track view transforms etc. https://gitlab.gnome.org/GNOME/mutter/merge_requests/935
84 lines
2.2 KiB
C
84 lines
2.2 KiB
C
/*
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* Copyright (C) 2019 Red Hat Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "clutter-build-config.h"
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#include "clutter-pick-context-private.h"
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struct _ClutterPickContext
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{
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grefcount ref_count;
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CoglFramebuffer *framebuffer;
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};
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G_DEFINE_BOXED_TYPE (ClutterPickContext, clutter_pick_context,
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clutter_pick_context_ref,
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clutter_pick_context_unref)
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ClutterPickContext *
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clutter_pick_context_new_for_view (ClutterStageView *view)
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{
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ClutterPickContext *pick_context;
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pick_context = g_new0 (ClutterPickContext, 1);
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g_ref_count_init (&pick_context->ref_count);
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pick_context->framebuffer =
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cogl_object_ref (clutter_stage_view_get_framebuffer (view));
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return pick_context;
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}
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ClutterPickContext *
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clutter_pick_context_ref (ClutterPickContext *pick_context)
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{
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g_ref_count_inc (&pick_context->ref_count);
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return pick_context;
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}
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static void
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clutter_pick_context_dispose (ClutterPickContext *pick_context)
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{
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g_clear_pointer (&pick_context->framebuffer, cogl_object_unref);
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}
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void
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clutter_pick_context_unref (ClutterPickContext *pick_context)
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{
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if (g_ref_count_dec (&pick_context->ref_count))
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{
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clutter_pick_context_dispose (pick_context);
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g_free (pick_context);
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}
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}
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void
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clutter_pick_context_destroy (ClutterPickContext *pick_context)
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{
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clutter_pick_context_dispose (pick_context);
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clutter_pick_context_unref (pick_context);
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}
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/**
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* clutter_pick_context_get_framebuffer: (skip)
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*/
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CoglFramebuffer *
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clutter_pick_context_get_framebuffer (ClutterPickContext *pick_context)
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{
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return pick_context->framebuffer;
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}
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