media_driver/agnostic/gen11/vp/hal/vphal_render_composite_g11.cpp

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//!
//! \file     vphal_render_composite_g11.cpp
//! \brief    Composite related VPHAL functions
//! \details  Unified VP HAL Composite module including render initialization,
//!           resource allocation/free and rendering
//!
#include "vphal_render_composite_g11.h"

void CompositeStateG11::SubmitStatesFillGenSpecificStaticData(
    PVPHAL_RENDERING_DATA_COMPOSITE     pRenderingData,
    PVPHAL_SURFACE                      pTarget,
    MEDIA_OBJECT_KA2_STATIC_DATA        *pStatic)
{
    PVPHAL_SURFACE                      pSurface;

    //Set shift offset for interlace scaling
    //Vertical Frame Origin for Layer 0 - Layer 7
    //Format = Single precision floating point
    pSurface = pRenderingData->pLayers[0]; // only using primary layer [0]

    if (nullptr != pSurface && pSurface->bInterlacedScaling)
    {
        if (pSurface->SampleType == SAMPLE_INTERLEAVED_EVEN_FIRST_TOP_FIELD || pSurface->SampleType == SAMPLE_INTERLEAVED_ODD_FIRST_TOP_FIELD)
        {
            //use the cropping size, not the surface size
            pStatic->DW12.TopBottomDelta = (float)(1.0 / (pSurface->rcDst.bottom - pSurface->rcDst.top) - 1.0 / (pSurface->rcSrc.bottom - pSurface->rcSrc.top));
        }
        else
        {
            pStatic->DW12.TopBottomDelta = (float)(-(1.0 / (pSurface->rcDst.bottom - pSurface->rcDst.top) - 1.0 / (pSurface->rcSrc.bottom - pSurface->rcSrc.top)));
        }
    }

    // Set ChromaSitting
    pStatic->DW10.ObjKa2Gen9.ChromaSitingLocation = GetOutputChromaSitting(pTarget);

    if (pRenderingData->iLayers > 0)
    {
        pStatic->DW09.ObjKa2Gen9.IEFByPassEnable = pRenderingData->pLayers[0]->bIEF ? false : true;
    }

    // Set alpha calculation flag. The bit definitions are different for GEN8 and GEN9+.
    // Set Bit-18
    pStatic->DW09.ObjKa2Gen9.AlphaChannelCalculation = pRenderingData->bAlphaCalculateEnable ? true : false;
}