1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/**************************************************************************
2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *
3f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright 2010 Younes Manton.
4f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * All Rights Reserved.
5f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *
6f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Permission is hereby granted, free of charge, to any person obtaining a
7f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * copy of this software and associated documentation files (the
8f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * "Software"), to deal in the Software without restriction, including
9f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * without limitation the rights to use, copy, modify, merge, publish,
10f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * distribute, sub license, and/or sell copies of the Software, and to
11f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * permit persons to whom the Software is furnished to do so, subject to
12f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the following conditions:
13f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *
14f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The above copyright notice and this permission notice (including the
15f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * next paragraph) shall be included in all copies or substantial portions
16f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * of the Software.
17f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *
18f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *
26f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org **************************************************************************/
27f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org
28f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_handle_table.h"
29f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "os/os_thread.h"
30f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org
31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "va_private.h"
32f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org
33f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#ifdef VL_HANDLES
34f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic struct handle_table *htab = NULL;
35f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgpipe_static_mutex(htab_lock);
36f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif
37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org
38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgbool vlCreateHTAB(void)
39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{
40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#ifdef VL_HANDLES
41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org   bool ret;
42f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org   /* Make sure handle table handles match VAAPI handles. */
43f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org   assert(sizeof(unsigned) <= sizeof(VAGenericID));
44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org   pipe_mutex_lock(htab_lock);
45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org   if (!htab)
46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org      htab = handle_table_create();
47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org   ret = htab != NULL;
48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org   pipe_mutex_unlock(htab_lock);
49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org   return ret;
50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#else
51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org   return TRUE;
52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif
53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}
54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org
55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid vlDestroyHTAB(void)
56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{
57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#ifdef VL_HANDLES
58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org   pipe_mutex_lock(htab_lock);
59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org   if (htab) {
60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org      handle_table_destroy(htab);
61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org      htab = NULL;
62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org   }
63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org   pipe_mutex_unlock(htab_lock);
64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif
65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}
66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org
67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgVAGenericID vlAddDataHTAB(void *data)
68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{
69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org   assert(data);
70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#ifdef VL_HANDLES
71f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org   VAGenericID handle = 0;
72f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org   pipe_mutex_lock(htab_lock);
73f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org   if (htab)
74f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org      handle = handle_table_add(htab, data);
75f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org   pipe_mutex_unlock(htab_lock);
76f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org   return handle;
77f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#else
78f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org   return (VAGenericID)data;
79f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif
80f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}
81f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org
82f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid* vlGetDataHTAB(VAGenericID handle)
83f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{
84f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org   assert(handle);
85f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#ifdef VL_HANDLES
86f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org   void *data = NULL;
87f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org   pipe_mutex_lock(htab_lock);
88f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org   if (htab)
89f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org      data = handle_table_get(htab, handle);
90f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org   pipe_mutex_unlock(htab_lock);
91f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org   return data;
92f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#else
93f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org   return (void*)handle;
94f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif
95f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}
96