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  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
  81.