| 1 | /* Copyright (c) 2001, Stanford University
|
|---|
| 2 | * All rights reserved.
|
|---|
| 3 | *
|
|---|
| 4 | * See the file LICENSE.txt for information on redistributing this software.
|
|---|
| 5 | */
|
|---|
| 6 |
|
|---|
| 7 | #ifndef CR_HASH_H
|
|---|
| 8 | #define CR_HASH_H
|
|---|
| 9 |
|
|---|
| 10 | #include "chromium.h"
|
|---|
| 11 |
|
|---|
| 12 | #include <iprt/cdefs.h>
|
|---|
| 13 |
|
|---|
| 14 | #ifdef __cplusplus
|
|---|
| 15 | extern "C" {
|
|---|
| 16 | #endif
|
|---|
| 17 |
|
|---|
| 18 | typedef struct CRHashIdPool CRHashIdPool;
|
|---|
| 19 | typedef struct CRHashTable CRHashTable;
|
|---|
| 20 |
|
|---|
| 21 | /* Callback function used for freeing/deleting table entries */
|
|---|
| 22 | typedef void (*CRHashtableCallback)(void *data);
|
|---|
| 23 | /* Callback function used for walking through table entries */
|
|---|
| 24 | typedef void (*CRHashtableWalkCallback)(unsigned long key, void *data1, void *data2);
|
|---|
| 25 |
|
|---|
| 26 | DECLEXPORT(CRHashIdPool *) crAllocHashIdPool( void );
|
|---|
| 27 | DECLEXPORT(CRHashIdPool *) crAllocHashIdPoolEx( GLuint min, GLuint max );
|
|---|
| 28 | DECLEXPORT(void) crFreeHashIdPool( CRHashIdPool *pool );
|
|---|
| 29 | DECLEXPORT(GLboolean) crHashIdPoolIsIdFree( const CRHashIdPool *pool, GLuint id );
|
|---|
| 30 | DECLEXPORT(GLuint) crHashIdPoolAllocBlock( CRHashIdPool *pool, GLuint count );
|
|---|
| 31 | DECLEXPORT(void) crHashIdPoolFreeBlock( CRHashIdPool *pool, GLuint first, GLuint count );
|
|---|
| 32 | /* @return GL_TRUE if the id is allocated, and GL_FALSE if the id was already allocated */
|
|---|
| 33 | DECLEXPORT(GLboolean) crHashIdPoolAllocId( CRHashIdPool *pool, GLuint id );
|
|---|
| 34 |
|
|---|
| 35 | DECLEXPORT(CRHashTable *) crAllocHashtable( void );
|
|---|
| 36 | DECLEXPORT(CRHashTable *) crAllocHashtableEx( GLuint min, GLuint max );
|
|---|
| 37 | DECLEXPORT(void) crFreeHashtable( CRHashTable *hash, CRHashtableCallback deleteCallback );
|
|---|
| 38 | DECLEXPORT(void) crHashtableAdd( CRHashTable *h, unsigned long key, void *data );
|
|---|
| 39 | /* to ensure hash table pool id consistency, there is no crHashTableFreeKeys/UnregisterKey,
|
|---|
| 40 | * one should call crHashtableDelete to free unneeded keys,
|
|---|
| 41 | * which will also ensure there is no entry with the specified key left in the table */
|
|---|
| 42 | DECLEXPORT(GLuint) crHashtableAllocKeys( CRHashTable *h, GLsizei range );
|
|---|
| 43 | /* @return GL_TRUE if the id is allocated, and GL_FALSE if the id was already allocated */
|
|---|
| 44 | DECLEXPORT(GLboolean) crHashtableAllocRegisterKey( CRHashTable *h, GLuint key);
|
|---|
| 45 | DECLEXPORT(void) crHashtableDelete( CRHashTable *h, unsigned long key, CRHashtableCallback deleteCallback );
|
|---|
| 46 | DECLEXPORT(void) crHashtableDeleteBlock( CRHashTable *h, unsigned long key, GLsizei range, CRHashtableCallback deleteFunc );
|
|---|
| 47 | DECLEXPORT(void *) crHashtableSearch( const CRHashTable *h, unsigned long key );
|
|---|
| 48 | DECLEXPORT(void) crHashtableReplace( CRHashTable *h, unsigned long key, void *data, CRHashtableCallback deleteFunc);
|
|---|
| 49 | DECLEXPORT(unsigned int) crHashtableNumElements( const CRHashTable *h) ;
|
|---|
| 50 | DECLEXPORT(GLboolean) crHashtableIsKeyUsed( const CRHashTable *h, GLuint id );
|
|---|
| 51 | DECLEXPORT(void) crHashtableWalk( CRHashTable *hash, CRHashtableWalkCallback walkFunc , void *data);
|
|---|
| 52 | /* walk the hashtable w/o holding the table lock */
|
|---|
| 53 | DECLEXPORT(void) crHashtableWalkUnlocked( CRHashTable *hash, CRHashtableWalkCallback walkFunc , void *data);
|
|---|
| 54 | /*Returns GL_TRUE if given hashtable hold the data, pKey is updated with key value for data in this case*/
|
|---|
| 55 | DECLEXPORT(GLboolean) crHashtableGetDataKey(CRHashTable *pHash, void *pData, unsigned long *pKey);
|
|---|
| 56 | DECLEXPORT(void) crHashtableLock(CRHashTable *h);
|
|---|
| 57 | DECLEXPORT(void) crHashtableUnlock(CRHashTable *h);
|
|---|
| 58 |
|
|---|
| 59 | #ifdef __cplusplus
|
|---|
| 60 | } /* extern "C" */
|
|---|
| 61 | #endif
|
|---|
| 62 |
|
|---|
| 63 | #endif /* CR_HASH_H */
|
|---|
