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
31 #include "va_private.h"
32
33 #ifdef VL_HANDLES
34 static struct handle_table *htab = NULL;
35 pipe_static_mutex(htab_lock);
36 #endif
37
vlCreateHTAB(void)38 bool vlCreateHTAB(void)
39 {
40 #ifdef VL_HANDLES
41 bool ret;
42 /* Make sure handle table handles match VAAPI handles. */
43 assert(sizeof(unsigned) <= sizeof(VAGenericID));
44 pipe_mutex_lock(htab_lock);
45 if (!htab)
46 htab = handle_table_create();
47 ret = htab != NULL;
48 pipe_mutex_unlock(htab_lock);
49 return ret;
50 #else
51 return TRUE;
52 #endif
53 }
54
vlDestroyHTAB(void)55 void vlDestroyHTAB(void)
56 {
57 #ifdef VL_HANDLES
58 pipe_mutex_lock(htab_lock);
59 if (htab) {
60 handle_table_destroy(htab);
61 htab = NULL;
62 }
63 pipe_mutex_unlock(htab_lock);
64 #endif
65 }
66
vlAddDataHTAB(void * data)67 VAGenericID vlAddDataHTAB(void *data)
68 {
69 assert(data);
70 #ifdef VL_HANDLES
71 VAGenericID handle = 0;
72 pipe_mutex_lock(htab_lock);
73 if (htab)
74 handle = handle_table_add(htab, data);
75 pipe_mutex_unlock(htab_lock);
76 return handle;
77 #else
78 return (VAGenericID)data;
79 #endif
80 }
81
vlGetDataHTAB(VAGenericID handle)82 void* vlGetDataHTAB(VAGenericID handle)
83 {
84 assert(handle);
85 #ifdef VL_HANDLES
86 void *data = NULL;
87 pipe_mutex_lock(htab_lock);
88 if (htab)
89 data = handle_table_get(htab, handle);
90 pipe_mutex_unlock(htab_lock);
91 return data;
92 #else
93 return (void*)handle;
94 #endif
95 }
96