dri3.h revision 1b5d61b8 
1/*
2 * Copyright © 2013 Keith Packard
3 *
4 * Permission to use, copy, modify, distribute, and sell this software and its
5 * documentation for any purpose is hereby granted without fee, provided that
6 * the above copyright notice appear in all copies and that both that copyright
7 * notice and this permission notice appear in supporting documentation, and
8 * that the name of the copyright holders not be used in advertising or
9 * publicity pertaining to distribution of the software without specific,
10 * written prior permission.  The copyright holders make no representations
11 * about the suitability of this software for any purpose.  It is provided "as
12 * is" without express or implied warranty.
13 *
14 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
15 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
16 * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
17 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
18 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
19 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
20 * OF THIS SOFTWARE.
21 */
22
23#ifndef _DRI3_H_
24#define _DRI3_H_
25
26#ifdef DRI3
27
28#include <X11/extensions/dri3proto.h>
29#include <randrstr.h>
30
31#define DRI3_SCREEN_INFO_VERSION        2
32
33typedef int (*dri3_open_proc)(ScreenPtr screen,
34                              RRProviderPtr provider,
35                              int *fd);
36
37typedef int (*dri3_open_client_proc)(ClientPtr client,
38                                     ScreenPtr screen,
39                                     RRProviderPtr provider,
40                                     int *fd);
41
42typedef PixmapPtr (*dri3_pixmap_from_fd_proc) (ScreenPtr screen,
43                                               int fd,
44                                               CARD16 width,
45                                               CARD16 height,
46                                               CARD16 stride,
47                                               CARD8 depth,
48                                               CARD8 bpp);
49
50typedef PixmapPtr (*dri3_pixmap_from_fds_proc) (ScreenPtr screen,
51                                                CARD8 num_fds,
52                                                const int *fds,
53                                                CARD16 width,
54                                                CARD16 height,
55                                                const CARD32 *strides,
56                                                const CARD32 *offsets,
57                                                CARD8 depth,
58                                                CARD8 bpp,
59                                                CARD64 modifier);
60
61typedef int (*dri3_fd_from_pixmap_proc) (ScreenPtr screen,
62                                         PixmapPtr pixmap,
63                                         CARD16 *stride,
64                                         CARD32 *size);
65
66typedef int (*dri3_fds_from_pixmap_proc) (ScreenPtr screen,
67                                          PixmapPtr pixmap,
68                                          int *fds,
69                                          uint32_t *strides,
70                                          uint32_t *offsets,
71                                          uint64_t *modifier);
72
73typedef int (*dri3_get_formats_proc) (ScreenPtr screen,
74                                      CARD32 *num_formats,
75                                      CARD32 **formats);
76
77typedef int (*dri3_get_modifiers_proc) (ScreenPtr screen,
78                                        uint32_t format,
79                                        uint32_t *num_modifiers,
80                                        uint64_t **modifiers);
81
82typedef int (*dri3_get_drawable_modifiers_proc) (DrawablePtr draw,
83                                                 uint32_t format,
84                                                 uint32_t *num_modifiers,
85                                                 uint64_t **modifiers);
86
87typedef struct dri3_screen_info {
88    uint32_t                    version;
89
90    dri3_open_proc              open;
91    dri3_pixmap_from_fd_proc    pixmap_from_fd;
92    dri3_fd_from_pixmap_proc    fd_from_pixmap;
93
94    /* Version 1 */
95    dri3_open_client_proc       open_client;
96
97    /* Version 2 */
98    dri3_pixmap_from_fds_proc   pixmap_from_fds;
99    dri3_fds_from_pixmap_proc   fds_from_pixmap;
100    dri3_get_formats_proc       get_formats;
101    dri3_get_modifiers_proc     get_modifiers;
102    dri3_get_drawable_modifiers_proc get_drawable_modifiers;
103
104} dri3_screen_info_rec, *dri3_screen_info_ptr;
105
106extern _X_EXPORT Bool
107dri3_screen_init(ScreenPtr screen, const dri3_screen_info_rec *info);
108
109extern _X_EXPORT int
110dri3_send_open_reply(ClientPtr client, int fd);
111
112extern _X_EXPORT uint32_t
113drm_format_for_depth(uint32_t depth, uint32_t bpp);
114
115#endif
116
117#endif /* _DRI3_H_ */
118