src/mesa/main/hash.h

   1 /**
   2  * \file hash.h
   3  * Generic hash table.
   4  */
   5
   6 /*
   7  * Mesa 3-D graphics library
   8  *
   9  * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
  10  *
  11  * Permission is hereby granted, free of charge, to any person obtaining a
  12  * copy of this software and associated documentation files (the "Software"),
  13  * to deal in the Software without restriction, including without limitation
  14  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  15  * and/or sell copies of the Software, and to permit persons to whom the
  16  * Software is furnished to do so, subject to the following conditions:
  17  *
  18  * The above copyright notice and this permission notice shall be included
  19  * in all copies or substantial portions of the Software.
  20  *
  21  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  22  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  23  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  24  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  25  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  26  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  27  * OTHER DEALINGS IN THE SOFTWARE.
  28  */
  29
  30
  31 #ifndef HASH_H
  32 #define HASH_H
  33
  34
  35 #include "glheader.h"
  36
  37
  38 extern struct _mesa_HashTable *_mesa_NewHashTable(void);
  39
  40 extern void _mesa_DeleteHashTable(struct _mesa_HashTable *table);
  41
  42 extern void *_mesa_HashLookup(struct _mesa_HashTable *table, GLuint key);
  43
  44 extern void _mesa_HashInsert(struct _mesa_HashTable *table, GLuint key, void *data);
  45
  46 extern void _mesa_HashRemove(struct _mesa_HashTable *table, GLuint key);
  47
  48 extern void _mesa_HashLockMutex(struct _mesa_HashTable *table);
  49
  50 extern void _mesa_HashUnlockMutex(struct _mesa_HashTable *table);
  51
  52 extern void *_mesa_HashLookupLocked(struct _mesa_HashTable *table, GLuint key);
  53
  54 extern void _mesa_HashInsertLocked(struct _mesa_HashTable *table,
  55                                    GLuint key, void *data);
  56
  57 extern void
  58 _mesa_HashDeleteAll(struct _mesa_HashTable *table,
  59                     void (*callback)(GLuint key, void *data, void *userData),
  60                     void *userData);
  61
  62 extern struct _mesa_HashTable *
  63 _mesa_HashClone(const struct _mesa_HashTable *table);
  64
  65 extern void
  66 _mesa_HashWalk(const struct _mesa_HashTable *table,
  67                void (*callback)(GLuint key, void *data, void *userData),
  68                void *userData);
  69
  70 extern void _mesa_HashPrint(const struct _mesa_HashTable *table);
  71
  72 extern GLuint _mesa_HashFindFreeKeyBlock(struct _mesa_HashTable *table, GLuint numKeys);
  73
  74 extern GLuint
  75 _mesa_HashNumEntries(const struct _mesa_HashTable *table);
  76
  77 extern void _mesa_test_hash_functions(void);
  78
  79
  80 #endif