media_driver/agnostic/gen12/codec/hal/codechal_mmc_decode_mpeg2_g12.cpp

/*
* Copyright (c) 2017-2019, Intel Corporation
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*
* The above copyright notice and this permission notice shall be included
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//!
//! \file     codechal_mmc_decode_mpeg2_g12.cpp
//! \brief    Impelements the public interface for Gen12 CodecHal Media Memory Compression
//!

#include "codechal_mmc_decode_mpeg2_g12.h"

CodechalMmcDecodeMpeg2G12::CodechalMmcDecodeMpeg2G12(
    CodechalHwInterface    *hwInterface,
    void *standardState):
    CodecHalMmcStateG12(hwInterface)
{
    CODECHAL_DECODE_FUNCTION_ENTER;

    m_mpeg2State = (CodechalDecodeMpeg2 *)standardState;
    CODECHAL_HW_ASSERT(m_mpeg2State);

    InitDecodeMmcEnable(hwInterface);

    m_mmcExtensionEnabled = true;
}

MOS_STATUS CodechalMmcDecodeMpeg2G12::SetPipeBufAddr(
    PMHW_VDBOX_PIPE_BUF_ADDR_PARAMS pipeBufAddrParams,
    PMOS_COMMAND_BUFFER cmdBuffer)
{
    MOS_STATUS eStatus = MOS_STATUS_SUCCESS;

    CODECHAL_DECODE_FUNCTION_ENTER;

    if (m_mmcEnabled)
    {
        CODECHAL_DECODE_CHK_STATUS_RETURN(m_osInterface->pfnGetMemoryCompressionMode(m_osInterface,
            &m_mpeg2State->m_destSurface.OsResource,
            &pipeBufAddrParams->PreDeblockSurfMmcState));
    }
    else
    {
        pipeBufAddrParams->PreDeblockSurfMmcState = MOS_MEMCOMP_DISABLED;
    }

    CODECHAL_DEBUG_TOOL(
        m_mpeg2State->m_destSurface.MmcState = m_mpeg2State->m_deblockingEnabled ? pipeBufAddrParams->PostDeblockSurfMmcState : pipeBufAddrParams->PreDeblockSurfMmcState;)

    return eStatus;
}