AM5728: Alpha blending

Dear Champs,

Is it possible to work alpha blending ARGB GUI and YUV codec output in GC320 of AM5728?

My customer tried to do alpha blending GUI with video decoder output, but got an error when they tried to input NV12(YUV) for alpha blending source as below.

status = gco2D_SetGenericSource

            (

            m_lpGCInfo->Engine2d,

            &m_lpGC_NV12->PhyAddr,

            1,

            (gctUINT32_PTR)&m_lpGC_NV12->Stride,

            1,

            gcvLINEAR,

            gcvSURF_NV12,

            gcvSURF_0_DEGREE,

            m_lpGC_NV12->Width,

            m_lpGC_NV12->Height

            );

Is there any method to do alpha blending YUV image in AM57x?

Thanks and Best Regards,

SI.