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Instead of always swapping buffers and flipping the back buffer, make it possible to scan out a provided buffer directly without swapping any EGL buffers. A buffer is passed as an object implementing the empty CoglScanout interface. It is only possible to do this in the native backend; and the interface is implemented by MetaDrmBufferGbm. When directly scanned out, instead of calling gbm_surface_lock_front_buffer() to get the gbm_bo and fbid, get it directly from the MetaDrmBufferGbm, and use that to create the page flip KMS update. https://gitlab.gnome.org/GNOME/mutter/merge_requests/798
36 lines
1.0 KiB
C
36 lines
1.0 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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#ifndef COGL_SCANOUT_H
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#define COGL_SCANOUT_H
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#include "cogl/cogl-types.h"
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#include <glib-object.h>
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#define COGL_TYPE_SCANOUT (cogl_scanout_get_type ())
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COGL_EXPORT
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G_DECLARE_INTERFACE (CoglScanout, cogl_scanout,
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COGL, SCANOUT, GObject)
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struct _CoglScanoutInterface
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{
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GTypeInterface parent_iface;
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};
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#endif /* COGL_SCANOUT_H */
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