1 /*
2 * Copyright (c) 2018, 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 //!
24 //! \file decode_predication.cpp
25 //! \brief Defines the common interface for decode predication
26 //! \details The decode predication interface implements the decode predication feature.
27 //!
28 #include "decode_predication.h"
29 #include "decode_utils.h"
30
31 namespace decode {
32
DecodePredication(DecodeAllocator & allocator)33 DecodePredication::DecodePredication(DecodeAllocator& allocator) :
34 m_allocator(&allocator)
35 {
36
37 }
38
~DecodePredication()39 DecodePredication::~DecodePredication()
40 {
41 if (m_allocator)
42 {
43 m_allocator->Destroy(m_predicationBuffer);
44 }
45 MOS_Delete(m_resPredication);
46 }
47
Update(void * params)48 MOS_STATUS DecodePredication::Update(void *params)
49 {
50 DECODE_FUNC_CALL();
51
52 DECODE_CHK_NULL(params);
53
54 CodechalDecodeParams* decodeParams = (CodechalDecodeParams*)params;
55 m_predicationEnabled = decodeParams->m_predicationEnabled;
56 if (!m_predicationEnabled)
57 {
58 return MOS_STATUS_SUCCESS;
59 }
60
61 m_predicationNotEqualZero = decodeParams->m_predicationNotEqualZero;
62 m_predicationResOffset = decodeParams->m_predicationResOffset;
63
64 if (m_resPredication == nullptr)
65 {
66 m_resPredication = MOS_New(MOS_BUFFER);
67 }
68
69 DECODE_CHK_NULL(m_resPredication);
70 if (decodeParams->m_presPredication != nullptr)
71 {
72 m_resPredication->OsResource = *decodeParams->m_presPredication;
73 }
74 else
75 {
76 MOS_ZeroMemory(m_resPredication, sizeof(MOS_BUFFER));
77 }
78
79 if (m_predicationBuffer == nullptr)
80 {
81 m_predicationBuffer = m_allocator->AllocateBuffer(sizeof(uint32_t), "PredicationBuffer");
82 DECODE_CHK_NULL(m_predicationBuffer);
83 }
84
85 *(decodeParams->m_tempPredicationBuffer) = &m_predicationBuffer->OsResource;
86
87 return MOS_STATUS_SUCCESS;
88 }
89
90 }
91