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a09e091a JB |
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 | #ifdef HAVE_XORG_CONFIG_H | |
24 | #include <xorg-config.h> | |
25 | #endif | |
26 | ||
27 | #include "present_priv.h" | |
28 | ||
29 | RESTYPE present_event_type; | |
30 | ||
31 | static int | |
32 | present_free_event(pointer data, XID id) | |
33 | { | |
34 | present_event_ptr present_event = (present_event_ptr) data; | |
35 | present_window_priv_ptr window_priv = present_window_priv(present_event->window); | |
36 | present_event_ptr *previous, current; | |
37 | ||
38 | for (previous = &window_priv->events; (current = *previous); previous = ¤t->next) { | |
39 | if (current == present_event) { | |
40 | *previous = present_event->next; | |
41 | break; | |
42 | } | |
43 | } | |
44 | free((pointer) present_event); | |
45 | return 1; | |
46 | ||
47 | } | |
48 | ||
49 | void | |
50 | present_free_events(WindowPtr window) | |
51 | { | |
52 | present_window_priv_ptr window_priv = present_window_priv(window); | |
53 | present_event_ptr event; | |
54 | ||
55 | if (!window_priv) | |
56 | return; | |
57 | ||
58 | while ((event = window_priv->events)) | |
59 | FreeResource(event->id, RT_NONE); | |
60 | } | |
61 | ||
62 | static void | |
63 | present_event_swap(xGenericEvent *from, xGenericEvent *to) | |
64 | { | |
65 | *to = *from; | |
66 | swaps(&to->sequenceNumber); | |
67 | swapl(&to->length); | |
68 | swaps(&to->evtype); | |
69 | switch (from->evtype) { | |
70 | case PresentConfigureNotify: { | |
71 | xPresentConfigureNotify *c = (xPresentConfigureNotify *) to; | |
72 | ||
73 | swapl(&c->eid); | |
74 | swapl(&c->window); | |
75 | swaps(&c->x); | |
76 | swaps(&c->y); | |
77 | swaps(&c->width); | |
78 | swaps(&c->height); | |
79 | swaps(&c->off_x); | |
80 | swaps(&c->off_y); | |
81 | swaps(&c->pixmap_width); | |
82 | swaps(&c->pixmap_height); | |
83 | swapl(&c->pixmap_flags); | |
84 | break; | |
85 | } | |
86 | case PresentCompleteNotify: | |
87 | { | |
88 | xPresentCompleteNotify *c = (xPresentCompleteNotify *) to; | |
89 | swapl(&c->eid); | |
90 | swapl(&c->window); | |
91 | swapl(&c->serial); | |
92 | swapll(&c->ust); | |
93 | swapll(&c->msc); | |
94 | } | |
95 | case PresentIdleNotify: | |
96 | { | |
97 | xPresentIdleNotify *c = (xPresentIdleNotify *) to; | |
98 | swapl(&c->eid); | |
99 | swapl(&c->window); | |
100 | swapl(&c->serial); | |
101 | swapl(&c->idle_fence); | |
102 | } | |
103 | } | |
104 | } | |
105 | ||
106 | void | |
107 | present_send_config_notify(WindowPtr window, int x, int y, int w, int h, int bw, WindowPtr sibling) | |
108 | { | |
109 | present_window_priv_ptr window_priv = present_window_priv(window); | |
110 | ||
111 | if (window_priv) { | |
112 | xPresentConfigureNotify cn = { | |
113 | .type = GenericEvent, | |
114 | .extension = present_request, | |
115 | .length = (sizeof(xPresentConfigureNotify) - 32) >> 2, | |
116 | .evtype = PresentConfigureNotify, | |
117 | .eid = 0, | |
118 | .window = window->drawable.id, | |
119 | .x = x, | |
120 | .y = y, | |
121 | .width = w, | |
122 | .height = h, | |
123 | .off_x = 0, | |
124 | .off_y = 0, | |
125 | .pixmap_width = w, | |
126 | .pixmap_height = h, | |
127 | .pixmap_flags = 0 | |
128 | }; | |
129 | present_event_ptr event; | |
130 | ||
131 | for (event = window_priv->events; event; event = event->next) { | |
132 | if (event->mask & (1 << PresentConfigureNotify)) { | |
133 | cn.eid = event->id; | |
134 | WriteEventsToClient(event->client, 1, (xEvent *) &cn); | |
135 | } | |
136 | } | |
137 | } | |
138 | } | |
139 | ||
140 | static present_complete_notify_proc complete_notify; | |
141 | ||
142 | void | |
143 | present_register_complete_notify(present_complete_notify_proc proc) | |
144 | { | |
145 | complete_notify = proc; | |
146 | } | |
147 | ||
148 | void | |
149 | present_send_complete_notify(WindowPtr window, CARD8 kind, CARD8 mode, CARD32 serial, uint64_t ust, uint64_t msc) | |
150 | { | |
151 | present_window_priv_ptr window_priv = present_window_priv(window); | |
152 | ||
153 | if (window_priv) { | |
154 | xPresentCompleteNotify cn = { | |
155 | .type = GenericEvent, | |
156 | .extension = present_request, | |
157 | .length = (sizeof(xPresentCompleteNotify) - 32) >> 2, | |
158 | .evtype = PresentCompleteNotify, | |
159 | .kind = kind, | |
160 | .mode = mode, | |
161 | .eid = 0, | |
162 | .window = window->drawable.id, | |
163 | .serial = serial, | |
164 | .ust = ust, | |
165 | .msc = msc, | |
166 | }; | |
167 | present_event_ptr event; | |
168 | ||
169 | for (event = window_priv->events; event; event = event->next) { | |
170 | if (event->mask & PresentCompleteNotifyMask) { | |
171 | cn.eid = event->id; | |
172 | WriteEventsToClient(event->client, 1, (xEvent *) &cn); | |
173 | } | |
174 | } | |
175 | } | |
176 | if (complete_notify) | |
177 | (*complete_notify)(window, mode, serial, ust, msc); | |
178 | } | |
179 | ||
180 | void | |
181 | present_send_idle_notify(WindowPtr window, CARD32 serial, PixmapPtr pixmap, struct present_fence *idle_fence) | |
182 | { | |
183 | present_window_priv_ptr window_priv = present_window_priv(window); | |
184 | ||
185 | if (window_priv) { | |
186 | xPresentIdleNotify in = { | |
187 | .type = GenericEvent, | |
188 | .extension = present_request, | |
189 | .length = (sizeof(xPresentIdleNotify) - 32) >> 2, | |
190 | .evtype = PresentIdleNotify, | |
191 | .eid = 0, | |
192 | .window = window->drawable.id, | |
193 | .serial = serial, | |
194 | .pixmap = pixmap->drawable.id, | |
195 | .idle_fence = present_fence_id(idle_fence) | |
196 | }; | |
197 | present_event_ptr event; | |
198 | ||
199 | for (event = window_priv->events; event; event = event->next) { | |
200 | if (event->mask & PresentIdleNotifyMask) { | |
201 | in.eid = event->id; | |
202 | WriteEventsToClient(event->client, 1, (xEvent *) &in); | |
203 | } | |
204 | } | |
205 | } | |
206 | } | |
207 | ||
208 | int | |
209 | present_select_input(ClientPtr client, XID eid, WindowPtr window, CARD32 mask) | |
210 | { | |
211 | present_window_priv_ptr window_priv = present_get_window_priv(window, mask != 0); | |
212 | present_event_ptr event; | |
213 | ||
214 | if (!window_priv) { | |
215 | if (mask) | |
216 | return BadAlloc; | |
217 | return Success; | |
218 | } | |
219 | ||
220 | event = calloc (1, sizeof (present_event_rec)); | |
221 | if (!event) | |
222 | return BadAlloc; | |
223 | ||
224 | event->client = client; | |
225 | event->window = window; | |
226 | event->id = eid; | |
227 | event->mask = mask; | |
228 | ||
229 | event->next = window_priv->events; | |
230 | window_priv->events = event; | |
231 | ||
232 | if (!AddResource(event->id, present_event_type, (pointer) event)) | |
233 | return BadAlloc; | |
234 | ||
235 | return Success; | |
236 | } | |
237 | ||
238 | Bool | |
239 | present_event_init(void) | |
240 | { | |
241 | present_event_type = CreateNewResourceType(present_free_event, "PresentEvent"); | |
242 | if (!present_event_type) | |
243 | return FALSE; | |
244 | ||
245 | GERegisterExtension(present_request, present_event_swap); | |
246 | return TRUE; | |
247 | } |