1 /*
2 * Copyright (c) 2020, 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_hevc_phase_back_end.cpp
25 //! \brief Defines the interface for Hevc decode back end phase.
26 //!
27
28 #include "decode_hevc_phase_back_end.h"
29 #include "decode_utils.h"
30
31 namespace decode
32 {
33
GetCmdBufIndex()34 uint32_t HevcPhaseBackEnd::GetCmdBufIndex()
35 {
36 DECODE_FUNC_CALL();
37 DECODE_ASSERT(m_scalabOption.GetNumPipe() > 1);
38
39 if (m_scalabOption.IsFESeparateSubmission() && !m_pipeline->IsParallelSubmission())
40 {
41 return m_secondaryCmdBufIdxBase + GetPipe();
42 }
43 else
44 {
45 return m_secondaryCmdBufIdxBase + GetPipe() + 1;
46 }
47 }
48
GetSubmissionType()49 uint32_t HevcPhaseBackEnd::GetSubmissionType()
50 {
51 DECODE_FUNC_CALL();
52 if (IsFirstBackEnd())
53 {
54 return SUBMISSION_TYPE_MULTI_PIPE_MASTER;
55 }
56 else if (IsLastBackEnd())
57 {
58 return SUBMISSION_TYPE_MULTI_PIPE_SLAVE | SUBMISSION_TYPE_MULTI_PIPE_FLAGS_LAST_PIPE;
59 }
60 else
61 {
62 return SUBMISSION_TYPE_MULTI_PIPE_SLAVE;
63 }
64 }
65
GetMode(uint32_t & pipeWorkMode,uint32_t & multiEngineMode)66 MOS_STATUS HevcPhaseBackEnd::GetMode(uint32_t &pipeWorkMode, uint32_t &multiEngineMode)
67 {
68 DECODE_FUNC_CALL();
69 pipeWorkMode = MHW_VDBOX_HCP_PIPE_WORK_MODE_CODEC_BE;
70 if (IsFirstBackEnd())
71 {
72 multiEngineMode = MHW_VDBOX_HCP_MULTI_ENGINE_MODE_LEFT;
73 }
74 else if (IsLastBackEnd())
75 {
76 multiEngineMode = MHW_VDBOX_HCP_MULTI_ENGINE_MODE_RIGHT;
77 }
78 else
79 {
80 multiEngineMode = MHW_VDBOX_HCP_MULTI_ENGINE_MODE_MIDDLE;
81 }
82 return MOS_STATUS_SUCCESS;
83 }
84
GetPktId()85 uint32_t HevcPhaseBackEnd::GetPktId()
86 {
87 DECODE_FUNC_CALL();
88 return DecodePacketId(m_pipeline, hevcBackEndPacketId);
89 }
90
ImmediateSubmit()91 bool HevcPhaseBackEnd::ImmediateSubmit()
92 {
93 DECODE_FUNC_CALL();
94 return (IsLastBackEnd());
95 }
96
RequiresContextSwitch()97 bool HevcPhaseBackEnd::RequiresContextSwitch()
98 {
99 DECODE_FUNC_CALL();
100 if (m_scalabOption.IsFESeparateSubmission() && IsFirstBackEnd())
101 {
102 return true; // switch context for first back end in separate submission mode
103 }
104 else
105 {
106 return false;
107 }
108 }
109
110 }
111