xref: /aosp_15_r20/external/intel-media-driver/media_driver/agnostic/common/cm/cm_array.h (revision ba62d9d3abf0e404f2022b4cd7a85e107f48596f)
1 /*
2 * Copyright (c) 2017, Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included
12 * in all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22 //!
23 //! \file      cm_array.h
24 //! \brief     Contains CM array function definitions
25 //!
26 
27 #ifndef MEDIADRIVER_AGNOSTIC_COMMON_CM_CMARRAY_H_
28 #define MEDIADRIVER_AGNOSTIC_COMMON_CM_CMARRAY_H_
29 
30 #include "cm_def.h"
31 
32 namespace CMRT_UMD{
33 class CmDynamicArray
34 {
35 public:
36 
37     CmDynamicArray( const uint32_t initSize );
38     CmDynamicArray();
39     ~CmDynamicArray( void );
40 
41     void*    GetElement( const uint32_t index ) ;
42     bool    SetElement( const uint32_t index, const void* element );
43 
44     uint32_t GetSize( void ) ;
45     uint32_t GetMaxSize( void ) ;
46 
47     void    Delete( void );
48 
49     uint32_t GetFirstFreeIndex();
50     bool    SetElementIntoFreeSlot(const void* element); //Set the element into the first available slot in the array
51 
52     CmDynamicArray& operator= ( const CmDynamicArray &array );
53 
54 protected:
55 
56     void    CreateArray( const uint32_t size );
57     void    DeleteArray( void );
58 
59     bool    IsValidIndex( const uint32_t index ) ;
60 
61     void**   m_arrayBuffer;
62 
63     uint32_t m_usedSize;
64     uint32_t m_actualSize;
65 
66 private:
67 
68     CmDynamicArray (const CmDynamicArray& other);
69 
70 };
71 } //namespace
72 
73 #endif  // #ifndef MEDIADRIVER_AGNOSTIC_COMMON_CM_CMARRAY_H_
74