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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 | #include <gcstruct.h> | |
29 | #include <misync.h> | |
30 | #include <misyncstr.h> | |
31 | ||
32 | /* | |
33 | * Wraps SyncFence objects so we can add a SyncTrigger to find out | |
34 | * when the SyncFence gets destroyed and clean up appropriately | |
35 | */ | |
36 | ||
37 | struct present_fence { | |
38 | SyncTrigger trigger; | |
39 | SyncFence *fence; | |
40 | void (*callback)(void *param); | |
41 | void *param; | |
42 | }; | |
43 | ||
44 | /* | |
45 | * SyncTrigger callbacks | |
46 | */ | |
47 | static Bool | |
48 | present_fence_sync_check_trigger(SyncTrigger *trigger, XSyncValue oldval) | |
49 | { | |
50 | struct present_fence *present_fence = container_of(trigger, struct present_fence, trigger); | |
51 | ||
52 | return present_fence->callback != NULL; | |
53 | } | |
54 | ||
55 | static void | |
56 | present_fence_sync_trigger_fired(SyncTrigger *trigger) | |
57 | { | |
58 | struct present_fence *present_fence = container_of(trigger, struct present_fence, trigger); | |
59 | ||
60 | if (present_fence->callback) | |
61 | (*present_fence->callback)(present_fence->param); | |
62 | } | |
63 | ||
64 | static void | |
65 | present_fence_sync_counter_destroyed(SyncTrigger *trigger) | |
66 | { | |
67 | struct present_fence *present_fence = container_of(trigger, struct present_fence, trigger); | |
68 | ||
69 | present_fence->fence = NULL; | |
70 | } | |
71 | ||
72 | struct present_fence * | |
73 | present_fence_create(SyncFence *fence) | |
74 | { | |
75 | struct present_fence *present_fence; | |
76 | ||
77 | present_fence = calloc (1, sizeof (struct present_fence)); | |
78 | if (!present_fence) | |
79 | return NULL; | |
80 | ||
81 | present_fence->fence = fence; | |
82 | present_fence->trigger.pSync = (SyncObject *) fence; | |
83 | present_fence->trigger.CheckTrigger = present_fence_sync_check_trigger; | |
84 | present_fence->trigger.TriggerFired = present_fence_sync_trigger_fired; | |
85 | present_fence->trigger.CounterDestroyed = present_fence_sync_counter_destroyed; | |
86 | ||
87 | if (SyncAddTriggerToSyncObject(&present_fence->trigger) != Success) { | |
88 | free (present_fence); | |
89 | return NULL; | |
90 | } | |
91 | return present_fence; | |
92 | } | |
93 | ||
94 | void | |
95 | present_fence_destroy(struct present_fence *present_fence) | |
96 | { | |
97 | if (present_fence) { | |
98 | if (present_fence->fence) | |
99 | SyncDeleteTriggerFromSyncObject(&present_fence->trigger); | |
100 | free(present_fence); | |
101 | } | |
102 | } | |
103 | ||
104 | void | |
105 | present_fence_set_triggered(struct present_fence *present_fence) | |
106 | { | |
107 | if (present_fence) | |
108 | if (present_fence->fence) | |
109 | (*present_fence->fence->funcs.SetTriggered) (present_fence->fence); | |
110 | } | |
111 | ||
112 | Bool | |
113 | present_fence_check_triggered(struct present_fence *present_fence) | |
114 | { | |
115 | if (!present_fence) | |
116 | return TRUE; | |
117 | if (!present_fence->fence) | |
118 | return TRUE; | |
119 | return (*present_fence->fence->funcs.CheckTriggered)(present_fence->fence); | |
120 | } | |
121 | ||
122 | void | |
123 | present_fence_set_callback(struct present_fence *present_fence, | |
124 | void (*callback) (void *param), | |
125 | void *param) | |
126 | { | |
127 | present_fence->callback = callback; | |
128 | present_fence->param = param; | |
129 | } | |
130 | ||
131 | XID | |
132 | present_fence_id(struct present_fence *present_fence) | |
133 | { | |
134 | if (!present_fence) | |
135 | return None; | |
136 | if (!present_fence->fence) | |
137 | return None; | |
138 | return present_fence->fence->sync.id; | |
139 | } |