| /* |
| * Copyright (c) 2014-2017, Intel Corporation |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included |
| * in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| */ |
| //! \file mhw_render.c |
| //! \brief MHW interface for constructing commands for the render engine |
| //! \details Impelements the functionalities common across all platforms for MHW_RENDER |
| //! |
| |
| #include "mhw_render.h" |
| |
| //! |
| //! \brief Allocates the MHW render interface internal parameters |
| //! \details Internal MHW function to allocate all parameters needed for the |
| //! render interface including the state heap interface |
| //! \param MHW_STATE_HEAP_SETTINGS stateHeapSettings |
| //! [in] Setting used to initialize the state heap interface |
| //! \return MOS_STATUS |
| //! MOS_STATUS_SUCCESS if success, else fail reason |
| //! |
| MOS_STATUS MhwRenderInterface::AllocateHeaps( |
| MHW_STATE_HEAP_SETTINGS stateHeapSettings) |
| { |
| MOS_STATUS eStatus = MOS_STATUS_SUCCESS; |
| |
| MHW_FUNCTION_ENTER; |
| |
| MHW_MI_CHK_NULL(m_stateHeapInterface); |
| |
| if ((stateHeapSettings.dwIshSize > 0 || |
| stateHeapSettings.dwDshSize > 0 ) && |
| stateHeapSettings.dwNumSyncTags > 0) |
| { |
| MHW_MI_CHK_STATUS(m_stateHeapInterface->pfnCreate( |
| &m_stateHeapInterface, |
| stateHeapSettings)); |
| } |
| |
| return eStatus; |
| } |
| |
| void MhwRenderInterface::InitPlatformCaps( |
| MEDIA_SYSTEM_INFO *gtSystemInfo) |
| { |
| if (gtSystemInfo == nullptr) |
| { |
| MHW_ASSERTMESSAGE("Invalid input pointer provided"); |
| return; |
| } |
| |
| MOS_ZeroMemory(&m_hwCaps, sizeof(MHW_RENDER_ENGINE_CAPS)); |
| |
| m_hwCaps.dwMaxUnormSamplers = MHW_RENDER_ENGINE_SAMPLERS_MAX; |
| m_hwCaps.dwMaxAVSSamplers = MHW_RENDER_ENGINE_SAMPLERS_AVS_MAX; |
| m_hwCaps.dwMaxBTIndex = MHW_RENDER_ENGINE_SSH_SURFACES_PER_BT_MAX - 1; |
| m_hwCaps.dwMaxThreads = gtSystemInfo->ThreadCount; |
| m_hwCaps.dwMaxMediaPayloadSize = MHW_RENDER_ENGINE_MEDIA_PALOAD_SIZE_MAX; |
| m_hwCaps.dwMaxURBSize = MHW_RENDER_ENGINE_URB_SIZE_MAX; |
| m_hwCaps.dwMaxURBEntries = MHW_RENDER_ENGINE_URB_ENTRIES_MAX; |
| m_hwCaps.dwMaxSubslice = gtSystemInfo->MaxSubSlicesSupported; |
| m_hwCaps.dwMaxEUIndex = MHW_RENDER_ENGINE_EU_INDEX_MAX; |
| m_hwCaps.dwNumThreadsPerEU = (gtSystemInfo->EUCount > 0) ? |
| gtSystemInfo->ThreadCount / gtSystemInfo->EUCount : 0; |
| m_hwCaps.dwSizeRegistersPerThread = MHW_RENDER_ENGINE_SIZE_REGISTERS_PER_THREAD; |
| |
| m_hwCaps.dwMaxInterfaceDescriptorEntries = MHW_RENDER_ENGINE_INTERFACE_DESCRIPTOR_ENTRIES_MAX; |
| m_hwCaps.dwMaxURBEntryAllocationSize = |
| m_hwCaps.dwMaxCURBEAllocationSize = |
| m_hwCaps.dwMaxURBSize - m_hwCaps.dwMaxInterfaceDescriptorEntries; |
| } |
| |
| void MhwRenderInterface::InitPreemption() |
| { |
| auto m_skuTable = m_osInterface->pfnGetSkuTable(m_osInterface); |
| auto waTable = m_osInterface->pfnGetWaTable(m_osInterface); |
| |
| if (m_skuTable == nullptr || waTable == nullptr) |
| { |
| MHW_ASSERTMESSAGE("Invalid SKU or WA table acquired"); |
| return; |
| } |
| |
| if (MEDIA_IS_SKU(m_skuTable, FtrMediaThreadGroupLevelPreempt) || |
| MEDIA_IS_SKU(m_skuTable, FtrMediaMidBatchPreempt)) |
| { |
| m_preemptionEnabled = true; |
| |
| #if (_DEBUG || _RELEASE_INTERNAL) |
| MOS_USER_FEATURE_VALUE_DATA UserFeatureData; |
| MOS_ZeroMemory(&UserFeatureData, sizeof(UserFeatureData)); |
| MOS_UserFeature_ReadValue_ID( |
| nullptr, |
| __MEDIA_USER_FEATURE_VALUE_MEDIA_PREEMPTION_ENABLE_ID, |
| &UserFeatureData, |
| m_osInterface->pOsContext); |
| m_preemptionEnabled = (UserFeatureData.i32Data) ? true : false; |
| #endif |
| } |
| |
| if (MEDIA_IS_SKU(m_skuTable, FtrPerCtxtPreemptionGranularityControl)) |
| { |
| m_preemptionCntlRegisterOffset = MHW_RENDER_ENGINE_PREEMPTION_CONTROL_OFFSET; |
| |
| if (MEDIA_IS_SKU(m_skuTable, FtrMediaMidThreadLevelPreempt)) |
| { |
| m_preemptionCntlRegisterValue = MHW_RENDER_ENGINE_MID_THREAD_PREEMPT_VALUE; |
| } |
| else if (MEDIA_IS_SKU(m_skuTable, FtrMediaThreadGroupLevelPreempt)) |
| { |
| m_preemptionCntlRegisterValue = MHW_RENDER_ENGINE_THREAD_GROUP_PREEMPT_VALUE; |
| } |
| else if (MEDIA_IS_SKU(m_skuTable, FtrMediaMidBatchPreempt)) |
| { |
| m_preemptionCntlRegisterValue = MHW_RENDER_ENGINE_MID_BATCH_PREEMPT_VALUE; |
| } |
| |
| // Set it to Mid Batch Pre-emption level (command level) to avoid render engine hang after preemption is turned on in ring buffer |
| if (MEDIA_IS_WA(waTable, WaMidBatchPreemption)) |
| { |
| m_preemptionCntlRegisterValue = MHW_RENDER_ENGINE_MID_BATCH_PREEMPT_VALUE; |
| } |
| } |
| } |
| |
| MOS_STATUS MhwRenderInterface::EnablePreemption( |
| PMOS_COMMAND_BUFFER cmdBuffer) |
| { |
| MOS_STATUS eStatus = MOS_STATUS_SUCCESS; |
| |
| MHW_MI_CHK_NULL(cmdBuffer); |
| MHW_MI_CHK_NULL(m_osInterface); |
| MHW_MI_CHK_NULL(m_miInterface); |
| |
| MEDIA_FEATURE_TABLE *m_skuTable = m_osInterface->pfnGetSkuTable(m_osInterface); |
| MHW_MI_CHK_NULL(m_skuTable); |
| |
| if (MEDIA_IS_SKU(m_skuTable, FtrPerCtxtPreemptionGranularityControl)) |
| { |
| MHW_MI_LOAD_REGISTER_IMM_PARAMS loadRegisterParams; |
| MOS_ZeroMemory(&loadRegisterParams, sizeof(loadRegisterParams)); |
| loadRegisterParams.dwRegister = m_preemptionCntlRegisterOffset; |
| loadRegisterParams.dwData = m_preemptionCntlRegisterValue; |
| MHW_MI_CHK_STATUS(m_miInterface->AddMiLoadRegisterImmCmd(cmdBuffer, &loadRegisterParams)); |
| } |
| |
| return eStatus; |
| } |