1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
/*
* Copyright (C) 2018 Canonical Ltd.
* Copyright (C) 2019 Red Hat Inc.
* Copyright (C) 2019 DisplayLink (UK) Ltd.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
*/
#ifndef META_DRM_BUFFER_IMPORT_H
#define META_DRM_BUFFER_IMPORT_H
#include <gbm.h>
#include "backends/native/meta-drm-buffer.h"
#include "backends/native/meta-drm-buffer-gbm.h"
#include "backends/native/meta-gpu-kms.h"
#define META_TYPE_DRM_BUFFER_IMPORT (meta_drm_buffer_import_get_type ())
G_DECLARE_FINAL_TYPE (MetaDrmBufferImport,
meta_drm_buffer_import,
META, DRM_BUFFER_IMPORT,
MetaDrmBuffer)
/*
* MetaDrmBufferImport is a buffer that refers to the storage of a
* MetaDrmBufferGbm buffer on another MetaGpuKms.
*
* When creating an imported buffer, the given GBM buffer is exported
* as a dma_buf and then imported to the given MetaGpuKms. A reference
* is kept to the GBM buffer so that it won't disappear while the
* imported buffer exists.
*
* The import has a high chance of failing under normal operating
* conditions and needs to be handled with fallbacks to something else.
*/
MetaDrmBufferImport * meta_drm_buffer_import_new (MetaDeviceFile *device_file,
struct gbm_device *gbm_device,
MetaDrmBufferGbm *buffer_gbm,
GError **error);
#endif /* META_DRM_BUFFER_IMPORT_H */
|
