1 /**************************************************************************
2 *
3 * Copyright 2010 Younes Manton.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * 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 portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28 #include "util/u_handle_table.h"
29 #include "os/os_thread.h"
30 #include "vdpau_private.h"
31
32 #ifdef VL_HANDLES
33 static struct handle_table *htab = NULL;
34 pipe_static_mutex(htab_lock);
35 #endif
36
vlCreateHTAB(void)37 boolean vlCreateHTAB(void)
38 {
39 #ifdef VL_HANDLES
40 boolean ret;
41 /* Make sure handle table handles match VDPAU handles. */
42 assert(sizeof(unsigned) <= sizeof(vlHandle));
43 pipe_mutex_lock(htab_lock);
44 if (!htab)
45 htab = handle_table_create();
46 ret = htab != NULL;
47 pipe_mutex_unlock(htab_lock);
48 return ret;
49 #else
50 return TRUE;
51 #endif
52 }
53
vlDestroyHTAB(void)54 void vlDestroyHTAB(void)
55 {
56 #ifdef VL_HANDLES
57 pipe_mutex_lock(htab_lock);
58 if (htab) {
59 handle_table_destroy(htab);
60 htab = NULL;
61 }
62 pipe_mutex_unlock(htab_lock);
63 #endif
64 }
65
vlAddDataHTAB(void * data)66 vlHandle vlAddDataHTAB(void *data)
67 {
68 assert(data);
69 #ifdef VL_HANDLES
70 vlHandle handle = 0;
71 pipe_mutex_lock(htab_lock);
72 if (htab)
73 handle = handle_table_add(htab, data);
74 pipe_mutex_unlock(htab_lock);
75 return handle;
76 #else
77 return (vlHandle)data;
78 #endif
79 }
80
vlGetDataHTAB(vlHandle handle)81 void* vlGetDataHTAB(vlHandle handle)
82 {
83 assert(handle);
84 #ifdef VL_HANDLES
85 void *data = NULL;
86 pipe_mutex_lock(htab_lock);
87 if (htab)
88 data = handle_table_get(htab, handle);
89 pipe_mutex_unlock(htab_lock);
90 return data;
91 #else
92 return (void*)handle;
93 #endif
94 }
95
vlRemoveDataHTAB(vlHandle handle)96 void vlRemoveDataHTAB(vlHandle handle)
97 {
98 #ifdef VL_HANDLES
99 pipe_mutex_lock(htab_lock);
100 if (htab)
101 handle_table_remove(htab, handle);
102 pipe_mutex_unlock(htab_lock);
103 #endif
104 }
105