radeon_dri2.h revision de2362d3 
1/*
2 * Copyright 2008 Jerome Glisse
3 *
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining
7 * a copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation on the rights to use, copy, modify, merge,
10 * publish, distribute, sublicense, and/or sell copies of the Software,
11 * and to permit persons to whom the Software is furnished to do so,
12 * subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial
16 * portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
21 * NON-INFRINGEMENT.  IN NO EVENT SHALL ATI, VA LINUX SYSTEMS AND/OR
22 * THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
23 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
25 * DEALINGS IN THE SOFTWARE.
26 */
27#ifndef RADEON_DRI2_H
28#define RADEON_DRI2_H
29
30#include <xorg-server.h>
31
32struct radeon_dri2 {
33    drmVersionPtr     pKernelDRMVersion;
34    int         drm_fd;
35    Bool        available;
36    Bool        enabled;
37    char	*device_name;
38};
39
40#ifdef DRI2
41
42#include "dri2.h"
43Bool radeon_dri2_screen_init(ScreenPtr pScreen);
44void radeon_dri2_close_screen(ScreenPtr pScreen);
45
46int drmmode_get_crtc_id(xf86CrtcPtr crtc);
47void radeon_dri2_frame_event_handler(unsigned int frame, unsigned int tv_sec,
48                                     unsigned int tv_usec, void *event_data);
49void radeon_dri2_flip_event_handler(unsigned int frame, unsigned int tv_sec,
50				    unsigned int tv_usec, void *event_data);
51
52#else
53
54static inline Bool radeon_dri2_screen_init(ScreenPtr pScreen) { return FALSE; }
55static inline void radeon_dri2_close_screen(ScreenPtr pScreen) {}
56
57static inline void
58radeon_dri2_dummy_event_handler(unsigned int frame, unsigned int tv_sec,
59				unsigned int tv_usec, void *event_data,
60				const char *name)
61{
62	static Bool warned;
63
64	if (!warned) {
65		ErrorF("%s called but DRI2 disabled at build time\n", name);
66		warned = TRUE;
67	}
68
69	free(event_data);
70}
71
72static inline void
73radeon_dri2_frame_event_handler(unsigned int frame, unsigned int tv_sec,
74				unsigned int tv_usec, void *event_data)
75{
76	radeon_dri2_dummy_event_handler(frame, tv_sec, tv_usec, event_data,
77					__func__);
78}
79
80static inline void
81radeon_dri2_flip_event_handler(unsigned int frame, unsigned int tv_sec,
82			       unsigned int tv_usec, void *event_data)
83{
84	radeon_dri2_dummy_event_handler(frame, tv_sec, tv_usec, event_data,
85					__func__);
86}
87
88#endif
89
90#endif /* RADEON_DRI2_H */
91