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 VMWARE 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 static struct handle_table *htab = NULL; 33 pipe_static_mutex(htab_lock); 34 35 boolean vlCreateHTAB(void) 36 { 37 boolean ret; 38 39 /* Make sure handle table handles match VDPAU handles. */ 40 assert(sizeof(unsigned) <= sizeof(vlHandle)); 41 pipe_mutex_lock(htab_lock); 42 if (!htab) 43 htab = handle_table_create(); 44 ret = htab != NULL; 45 pipe_mutex_unlock(htab_lock); 46 return ret; 47 } 48 49 void vlDestroyHTAB(void) 50 { 51 pipe_mutex_lock(htab_lock); 52 if (htab && !handle_table_get_first_handle(htab)) { 53 handle_table_destroy(htab); 54 htab = NULL; 55 } 56 pipe_mutex_unlock(htab_lock); 57 } 58 59 vlHandle vlAddDataHTAB(void *data) 60 { 61 vlHandle handle = 0; 62 63 assert(data); 64 pipe_mutex_lock(htab_lock); 65 if (htab) 66 handle = handle_table_add(htab, data); 67 pipe_mutex_unlock(htab_lock); 68 return handle; 69 } 70 71 void* vlGetDataHTAB(vlHandle handle) 72 { 73 void *data = NULL; 74 75 assert(handle); 76 pipe_mutex_lock(htab_lock); 77 if (htab) 78 data = handle_table_get(htab, handle); 79 pipe_mutex_unlock(htab_lock); 80 return data; 81 } 82 83 void vlRemoveDataHTAB(vlHandle handle) 84 { 85 pipe_mutex_lock(htab_lock); 86 if (htab) 87 handle_table_remove(htab, handle); 88 pipe_mutex_unlock(htab_lock); 89 } 90