diff options
Diffstat (limited to 'src/VBox/GuestHost/OpenGL/include/cr_hash.h')
| -rw-r--r-- | src/VBox/GuestHost/OpenGL/include/cr_hash.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/VBox/GuestHost/OpenGL/include/cr_hash.h b/src/VBox/GuestHost/OpenGL/include/cr_hash.h index 9bda7454..0f28c798 100644 --- a/src/VBox/GuestHost/OpenGL/include/cr_hash.h +++ b/src/VBox/GuestHost/OpenGL/include/cr_hash.h @@ -15,17 +15,36 @@ extern "C" { #endif +typedef struct CRHashIdPool CRHashIdPool; typedef struct CRHashTable CRHashTable; /* Callback function used for freeing/deleting table entries */ typedef void (*CRHashtableCallback)(void *data); /* Callback function used for walking through table entries */ typedef void (*CRHashtableWalkCallback)(unsigned long key, void *data1, void *data2); +/* Callback function used for walking through allocated keys */ +typedef void (*CRHashIdWalkKeys)(unsigned long firstKey, unsigned long count, void *data); + +DECLEXPORT(CRHashIdPool *) crAllocHashIdPool( void ); +DECLEXPORT(CRHashIdPool *) crAllocHashIdPoolEx( GLuint min, GLuint max ); +DECLEXPORT(void) crFreeHashIdPool( CRHashIdPool *pool ); +DECLEXPORT(GLboolean) crHashIdPoolIsIdFree( const CRHashIdPool *pool, GLuint id ); +DECLEXPORT(GLuint) crHashIdPoolAllocBlock( CRHashIdPool *pool, GLuint count ); +DECLEXPORT(void) crHashIdPoolFreeBlock( CRHashIdPool *pool, GLuint first, GLuint count ); +/* @return GL_TRUE if the id is allocated, and GL_FALSE if the id was already allocated */ +DECLEXPORT(GLboolean) crHashIdPoolAllocId( CRHashIdPool *pool, GLuint id ); +DECLEXPORT(void) crHashIdWalkKeys( CRHashIdPool *pool, CRHashIdWalkKeys walkFunc , void *data); DECLEXPORT(CRHashTable *) crAllocHashtable( void ); +DECLEXPORT(CRHashTable *) crAllocHashtableEx( GLuint min, GLuint max ); DECLEXPORT(void) crFreeHashtable( CRHashTable *hash, CRHashtableCallback deleteCallback ); DECLEXPORT(void) crHashtableAdd( CRHashTable *h, unsigned long key, void *data ); +/* to ensure hash table pool id consistency, there is no crHashTableFreeKeys/UnregisterKey, + * one should call crHashtableDelete to free unneeded keys, + * which will also ensure there is no entry with the specified key left in the table */ DECLEXPORT(GLuint) crHashtableAllocKeys( CRHashTable *h, GLsizei range ); +/* @return GL_TRUE if the id is allocated, and GL_FALSE if the id was already allocated */ +DECLEXPORT(GLboolean) crHashtableAllocRegisterKey( CRHashTable *h, GLuint key); DECLEXPORT(void) crHashtableDelete( CRHashTable *h, unsigned long key, CRHashtableCallback deleteCallback ); DECLEXPORT(void) crHashtableDeleteBlock( CRHashTable *h, unsigned long key, GLsizei range, CRHashtableCallback deleteFunc ); DECLEXPORT(void *) crHashtableSearch( const CRHashTable *h, unsigned long key ); @@ -33,10 +52,13 @@ DECLEXPORT(void) crHashtableReplace( CRHashTable *h, unsigned long key, void *da DECLEXPORT(unsigned int) crHashtableNumElements( const CRHashTable *h) ; DECLEXPORT(GLboolean) crHashtableIsKeyUsed( const CRHashTable *h, GLuint id ); DECLEXPORT(void) crHashtableWalk( CRHashTable *hash, CRHashtableWalkCallback walkFunc , void *data); +/* walk the hashtable w/o holding the table lock */ +DECLEXPORT(void) crHashtableWalkUnlocked( CRHashTable *hash, CRHashtableWalkCallback walkFunc , void *data); /*Returns GL_TRUE if given hashtable hold the data, pKey is updated with key value for data in this case*/ DECLEXPORT(GLboolean) crHashtableGetDataKey(CRHashTable *pHash, void *pData, unsigned long *pKey); DECLEXPORT(void) crHashtableLock(CRHashTable *h); DECLEXPORT(void) crHashtableUnlock(CRHashTable *h); +DECLEXPORT(void) crHashtableWalkKeys(CRHashTable *hash, CRHashIdWalkKeys walkFunc , void *data); #ifdef __cplusplus } /* extern "C" */ |