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This will check whether the current backing buffer is compatible with the primary plane of the passed CoglOnscreen. Since this will extend the time before a buffer is released, the MetaWaylandBufferRef is swapped and orphaned if a new buffer is committed before the previous one was released. It'll eventually be released, usually by the next page flip callback. Currently implemented for EGLImage and DMA-BUF buffer types. https://gitlab.gnome.org/GNOME/mutter/merge_requests/798
57 lines
2.0 KiB
C
57 lines
2.0 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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/*
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* Copyright (C) 2016 Red Hat Inc.
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* Copyright (C) 2017 Intel Corporation
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* 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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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*
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* Written by:
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* Jonas Ådahl <jadahl@gmail.com>
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* Daniel Stone <daniels@collabora.com>
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*/
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#ifndef META_WAYLAND_DMA_BUF_H
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#define META_WAYLAND_DMA_BUF_H
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#include <glib.h>
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#include <glib-object.h>
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#include "cogl/cogl.h"
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#include "wayland/meta-wayland-types.h"
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#define META_TYPE_WAYLAND_DMA_BUF_BUFFER (meta_wayland_dma_buf_buffer_get_type ())
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G_DECLARE_FINAL_TYPE (MetaWaylandDmaBufBuffer, meta_wayland_dma_buf_buffer,
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META, WAYLAND_DMA_BUF_BUFFER, GObject);
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typedef struct _MetaWaylandDmaBufBuffer MetaWaylandDmaBufBuffer;
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gboolean meta_wayland_dma_buf_init (MetaWaylandCompositor *compositor);
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gboolean
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meta_wayland_dma_buf_buffer_attach (MetaWaylandBuffer *buffer,
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CoglTexture **texture,
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GError **error);
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MetaWaylandDmaBufBuffer *
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meta_wayland_dma_buf_from_buffer (MetaWaylandBuffer *buffer);
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CoglScanout *
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meta_wayland_dma_buf_try_acquire_scanout (MetaWaylandDmaBufBuffer *dma_buf,
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CoglOnscreen *onscreen);
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#endif /* META_WAYLAND_DMA_BUF_H */
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