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
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
|
/*
* Copyright © 2013 Keith Packard
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that copyright
* notice and this permission notice appear in supporting documentation, and
* that the name of the copyright holders not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. The copyright holders make no representations
* about the suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif
#include "present_priv.h"
int present_request;
DevPrivateKeyRec present_screen_private_key;
DevPrivateKeyRec present_window_private_key;
/*
* Get a pointer to a present window private, creating if necessary
*/
present_window_priv_ptr
present_get_window_priv(WindowPtr window, Bool create)
{
present_window_priv_ptr window_priv = present_window_priv(window);
if (!create || window_priv != NULL)
return window_priv;
window_priv = calloc (1, sizeof (present_window_priv_rec));
if (!window_priv)
return NULL;
xorg_list_init(&window_priv->vblank);
xorg_list_init(&window_priv->notifies);
window_priv->crtc = PresentCrtcNeverSet;
dixSetPrivate(&window->devPrivates, &present_window_private_key, window_priv);
return window_priv;
}
/*
* Hook the close screen function to clean up our screen private
*/
static Bool
present_close_screen(ScreenPtr screen)
{
present_screen_priv_ptr screen_priv = present_screen_priv(screen);
present_flip_destroy(screen);
unwrap(screen_priv, screen, CloseScreen);
(*screen->CloseScreen) (screen);
free(screen_priv);
return TRUE;
}
/*
* Free any queued presentations for this window
*/
static void
present_free_window_vblank(WindowPtr window)
{
present_window_priv_ptr window_priv = present_window_priv(window);
present_vblank_ptr vblank, tmp;
xorg_list_for_each_entry_safe(vblank, tmp, &window_priv->vblank, window_list) {
present_abort_vblank(window->drawable.pScreen, vblank->crtc, vblank->event_id, vblank->target_msc);
present_vblank_destroy(vblank);
}
}
/*
* Clean up any pending or current flips for this window
*/
static void
present_clear_window_flip(WindowPtr window)
{
ScreenPtr screen = window->drawable.pScreen;
present_screen_priv_ptr screen_priv = present_screen_priv(screen);
present_vblank_ptr flip_pending = screen_priv->flip_pending;
if (flip_pending && flip_pending->window == window) {
assert (flip_pending->abort_flip);
flip_pending->window = NULL;
}
if (screen_priv->flip_window == window)
screen_priv->flip_window = NULL;
}
/*
* Hook the close window function to clean up our window private
*/
static Bool
present_destroy_window(WindowPtr window)
{
Bool ret;
ScreenPtr screen = window->drawable.pScreen;
present_screen_priv_ptr screen_priv = present_screen_priv(screen);
present_window_priv_ptr window_priv = present_window_priv(window);
if (window_priv) {
present_clear_window_notifies(window);
present_free_events(window);
present_free_window_vblank(window);
present_clear_window_flip(window);
free(window_priv);
}
unwrap(screen_priv, screen, DestroyWindow);
if (screen->DestroyWindow)
ret = screen->DestroyWindow (window);
else
ret = TRUE;
wrap(screen_priv, screen, DestroyWindow, present_destroy_window);
return ret;
}
/*
* Hook the config notify screen function to deliver present config notify events
*/
static int
present_config_notify(WindowPtr window,
int x, int y, int w, int h, int bw,
WindowPtr sibling)
{
int ret;
ScreenPtr screen = window->drawable.pScreen;
present_screen_priv_ptr screen_priv = present_screen_priv(screen);
present_send_config_notify(window, x, y, w, h, bw, sibling);
unwrap(screen_priv, screen, ConfigNotify);
if (screen->ConfigNotify)
ret = screen->ConfigNotify (window, x, y, w, h, bw, sibling);
else
ret = 0;
wrap(screen_priv, screen, ConfigNotify, present_config_notify);
return ret;
}
/*
* Hook the clip notify screen function to un-flip as necessary
*/
static void
present_clip_notify(WindowPtr window, int dx, int dy)
{
ScreenPtr screen = window->drawable.pScreen;
present_screen_priv_ptr screen_priv = present_screen_priv(screen);
present_check_flip_window(window);
unwrap(screen_priv, screen, ClipNotify)
if (screen->ClipNotify)
screen->ClipNotify (window, dx, dy);
wrap(screen_priv, screen, ClipNotify, present_clip_notify);
}
/*
* Initialize a screen for use with present
*/
int
present_screen_init(ScreenPtr screen, present_screen_info_ptr info)
{
if (!dixRegisterPrivateKey(&present_screen_private_key, PRIVATE_SCREEN, 0))
return FALSE;
if (!dixRegisterPrivateKey(&present_window_private_key, PRIVATE_WINDOW, 0))
return FALSE;
if (!present_screen_priv(screen)) {
present_screen_priv_ptr screen_priv = calloc(1, sizeof (present_screen_priv_rec));
if (!screen_priv)
return FALSE;
wrap(screen_priv, screen, CloseScreen, present_close_screen);
wrap(screen_priv, screen, DestroyWindow, present_destroy_window);
wrap(screen_priv, screen, ConfigNotify, present_config_notify);
wrap(screen_priv, screen, ClipNotify, present_clip_notify);
screen_priv->info = info;
dixSetPrivate(&screen->devPrivates, &present_screen_private_key, screen_priv);
present_fake_screen_init(screen);
}
return TRUE;
}
/*
* Initialize the present extension
*/
void
present_extension_init(void)
{
ExtensionEntry *extension;
int i;
#ifdef PANORAMIX
if (!noPanoramiXExtension)
return;
#endif
extension = AddExtension(PRESENT_NAME, PresentNumberEvents, PresentNumberErrors,
proc_present_dispatch, sproc_present_dispatch,
NULL, StandardMinorOpcode);
if (!extension)
goto bail;
present_request = extension->base;
if (!present_init())
goto bail;
if (!present_event_init())
goto bail;
for (i = 0; i < screenInfo.numScreens; i++) {
if (!present_screen_init(screenInfo.screens[i], NULL))
goto bail;
}
return;
bail:
FatalError("Cannot initialize Present extension");
}
|
