text: /*
   * Copyright (C) 2018-2019 Intel Corporation
   *
   * SPDX-License-Identifier: MIT
   *
   */
  
  #include "core/helpers/preamble_base.inl"
  #include "runtime/helpers/flat_batch_buffer_helper.h"
  #include "runtime/helpers/hw_helper.h"
  
  namespace NEO {
  
  template <typename GfxFamily>
  void PreambleHelper<GfxFamily>::programL3(LinearStream *pCommandStream, uint32_t l3Config) {
      auto pCmd = (MI_LOAD_REGISTER_IMM *)pCommandStream->getSpace(sizeof(MI_LOAD_REGISTER_IMM));
      *pCmd = GfxFamily::cmdInitLoadRegisterImm;
  
      pCmd->setRegisterOffset(L3CNTLRegisterOffset<GfxFamily>::registerOffset);
      pCmd->setDataDword(l3Config);
  }
  
  template <typename GfxFamily>
  uint32_t PreambleHelper<GfxFamily>::getUrbEntryAllocationSize() {
      return 0x782;
  }
  
  template <typename GfxFamily>
  uint64_t PreambleHelper<GfxFamily>::programVFEState(LinearStream *pCommandStream,
                                                      const HardwareInfo &hwInfo,
                                                      int scratchSize,
                                                      uint64_t scratchAddress,
                                                      uint32_t maxFrontEndThreads) {
      using MEDIA_VFE_STATE = typename GfxFamily::MEDIA_VFE_STATE;
  
      addPipeControlBeforeVfeCmd(pCommandStream, &hwInfo);
  
      auto scratchSpaceAddressOffset = static_cast<uint64_t>(pCommandStream->getUsed() + MEDIA_VFE_STATE::PATCH_CONSTANTS::SCRATCHSPACEBASEPOINTER_BYTEOFFSET);
      auto pMediaVfeState = reinterpret_cast<MEDIA_VFE_STATE *>(pCommandStream->getSpace(sizeof(MEDIA_VFE_STATE)));
      *pMediaVfeState = GfxFamily::cmdInitMediaVfeState;
      pMediaVfeState->setMaximumNumberOfThreads(maxFrontEndThreads);
      pMediaVfeState->setNumberOfUrbEntries(1);
      pMediaVfeState->setUrbEntryAllocationSize(PreambleHelper<GfxFamily>::getUrbEntryAllocationSize());
      pMediaVfeState->setPerThreadScratchSpace(Kernel::getScratchSizeValueToProgramMediaVfeState(scratchSize));
      pMediaVfeState->setStackSize(Kernel::getScratchSizeValueToProgramMediaVfeState(scratchSize));
      uint32_t lowAddress = static_cast<uint32_t>(0xFFFFFFFF & scratchAddress);
      uint32_t highAddress = static_cast<uint32_t>(0xFFFFFFFF & (scratchAddress >> 32));
      pMediaVfeState->setScratchSpaceBasePointer(lowAddress);
      pMediaVfeState->setScratchSpaceBasePointerHigh(highAddress);
  
      programAdditionalFieldsInVfeState(pMediaVfeState, hwInfo);
  
      return scratchSpaceAddressOffset;
  }
  
  template <typename GfxFamily>
  size_t PreambleHelper<GfxFamily>::getVFECommandsSize() {
      using MEDIA_VFE_STATE = typename GfxFamily::MEDIA_VFE_STATE;
      return sizeof(MEDIA_VFE_STATE) + sizeof(PIPE_CONTROL);
  }
  
  } // namespace NEO
  