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 //! \file cm_ssh.h 24 //! \brief Contains Class CmSSH definitions 25 //! 26 #pragma once 27 28 #include "cm_surface_state.h" 29 #include <bitset> 30 31 class CmKernelEx; 32 class CmScratchSpace; 33 class CmSSH 34 { 35 public: 36 CmSSH(CM_HAL_STATE *cmhal, PMOS_COMMAND_BUFFER cmdBuf); 37 ~CmSSH(); 38 MOS_STATUS Initialize(CmKernelEx **kernels = nullptr, uint32_t count = 0); 39 40 int AssignBindingTable(); 41 42 int GetBindingTableOffset(int btIndex = -1); 43 44 virtual int AddSurfaceState(CmSurfaceState *surfState, int bteIndex = -1, int btIndex = -1); 45 46 int AddScratchSpace(CmScratchSpace *scratch); 47 48 MOS_STATUS PrepareResourcesForCp(); 49 50 static void DumpSSH(CM_HAL_STATE *cmhal, PMOS_COMMAND_BUFFER cmdBuf); // to dump legacy path 51 52 void DumpSSH(); 53 54 protected: 55 int GetFreeBindingTableEntries(int surfNum, int btIndex = -1); 56 int GetFreeSurfStateIndex(int surfNum); 57 int EstimateBTSize(int maxBteNum, std::map<int, CmSurfaceState *> &reservedBteIndex); 58 59 private: 60 struct _BteFlag 61 { 62 std::bitset<256> _map; 63 Set_BteFlag64 inline void Set(int start, int count) 65 { 66 uint64_t mask = 0xffffffff >> (32-count); 67 std::bitset<256> temp(mask); 68 temp <<= start; 69 _map |= temp; 70 } 71 IsSet_BteFlag72 inline bool IsSet(int start, int count) 73 { 74 uint64_t mask = 0xffffffff >> (32-count); 75 std::bitset<256> temp(mask); 76 temp <<= start; 77 temp &= _map; 78 return temp.any(); 79 } 80 81 }; 82 83 // SSH buffer 84 uint8_t *m_stateBase; 85 uint32_t m_stateOffset; 86 uint32_t m_length; 87 uint32_t m_btStart; // start of binding tables 88 uint32_t m_ssStart; // start of surface states 89 uint32_t m_bteNum; 90 uint32_t m_btStartPerKernel[CM_MAX_KERNELS_PER_TASK + 1]; // start of each bt, the last one means the end of last BT 91 uint32_t m_maxSsNum; 92 uint32_t m_btEntrySize; // size of each binding table entry 93 uint32_t m_ssCmdSize; // size of each Surface state cmd 94 95 // current ssh is in the end of a command buffer 96 PMOS_COMMAND_BUFFER m_cmdBuf; 97 98 // Current BT 99 uint32_t m_curBTIndex; 100 uint32_t m_curBteIndexes[CM_MAX_KERNELS_PER_TASK]; 101 uint32_t m_normalBteStart; 102 103 // Surface States added in the ssh 104 CmSurfaceState *m_surfStatesInSsh[CM_MAX_SURFACE_STATES]; 105 106 // Current Surface State 107 uint32_t m_curSsIndex; 108 109 CM_HAL_STATE *m_cmhal; 110 RENDERHAL_INTERFACE *m_renderhal; 111 112 // All MOS_RESOURCE added in the ssh 113 MOS_RESOURCE *m_resourcesAdded[CM_MAX_SURFACE_STATES]; 114 uint32_t m_resCount; 115 116 // Occupied BteIndexes 117 _BteFlag *m_occupiedBteIndexes; // maximun 64x4 = 256 entries for each BT 118 }; 119