#include "cl_viv_vx_ext.h"

_viv_uniform int width;
_viv_uniform int height;
_viv_uniform VXC_512Bits UniFP16toFP32Lo4_dp4x4;
_viv_uniform VXC_512Bits uniConvertHalfToFp16_2x8;
_viv_uniform VXC_512Bits uniConvertInt32toUint8_2x8;

_viv_uniform VXC_512Bits uniSumInt8_16x1;
_viv_uniform VXC_512Bits uniSqrSumInt8_16x1;
_viv_uniform float inFlScale_s2;
_viv_uniform float input_fl_scale;

_viv_uniform VXC_512Bits uniConvertDirInt8Fp32_4x4;
_viv_uniform VXC_512Bits uniConvertEndInt8Fp32_4x4;
_viv_uniform VXC_512Bits uniConvertTrdInt8Fp32_4x4;
_viv_uniform VXC_512Bits uniConvertFthInt8Fp32_4x4;

_viv_uniform float inOut_fl_scale;
_viv_uniform float output_fl_scale;

__kernel __attribute__((reqd_work_group_size(16, 1, 1))) void group_norm_sumsqr_I8(
    image2d_array_t input, image2d_array_t output, float eps, int is2D)
{
    int gidx = get_global_id(0) << 4;
    int lidx = get_local_id(0);
    int gidz = get_global_id(1);
    int4 coord = (int4)(gidx, 0, gidz, 0);
    vxc_char16 src0;
    float sum = 0, sqr = 0;
    int tmpSum = 0, tmpSqr = 0, tmpSum1, tmpSqr1;

    __local float lcl_sum[16];
    __local float lcl_sqr[16];

    int8 input_desc;
    _viv_asm(COPY, input_desc, input, sizeof(input_desc));
    int baseAddr_a = (int)get_global_id(1) * input_desc.s4 + input_desc.s0;
    _viv_asm(MOV, coord.z, baseAddr_a);

    if(gidx < width)
    {
        for(coord.y = 0; coord.y < height;)
        {
            VXC_OP4(img_load_3d, src0, input, coord, VXC_5BITOFFSET_XY(0, 0), \
                    VXC_MODIFIER(0, 15, 0, VXC_RM_TowardZero, 0));
            coord.y++;
            VXC_DP16x1(tmpSum1, src0, src0, VXC_MODIFIER(0, 0, 0, VXC_RM_TowardZero, 0), uniSumInt8_16x1);
            tmpSum += (tmpSum1);
            VXC_DP16x1(tmpSqr1, src0, src0, VXC_MODIFIER(0, 0, 0, VXC_RM_TowardZero, 0), uniSqrSumInt8_16x1);
            tmpSqr += (tmpSqr1);
        }
        sqr = tmpSqr * inFlScale_s2;
        sum = tmpSum * input_fl_scale;
    }
    lcl_sum[lidx] = sum;
    lcl_sqr[lidx] = sqr;
    barrier(CLK_LOCAL_MEM_FENCE);

    int4 coord_out = (int4)(get_group_id(0) << 2, gidz, 0, 0);
    if(lidx == 0)
    {
        float4 one = (float4)(1, 1, 1, 1);
        __local float4* tmp_sum = (__local float4*)lcl_sum;
        __local float4* tmp_sqr = (__local float4*)lcl_sqr;

        sum = 0; sqr = 0;
        for(int i = 0; i < 4; i++)
        {
            sum += dot(tmp_sum[i], one);
            sqr += dot(tmp_sqr[i], one);
        }

        float4 data = (float4)(sum, sqr, 0, 0);
        write_imagef(output, coord_out, data);
    }
}

__kernel __attribute__((reqd_work_group_size(16, 1, 1))) void group_norm_sumsqr_I8_2D(
    image2d_array_t input, image2d_array_t output, float eps, int is2D)
{
    int gidx = get_global_id(0) << 4;
    int lidx = get_local_id(0);
    int gidz = get_global_id(1);

    int2 coord = (int2)(gidx, gidz);
    vxc_char16 src0;
    float sum = 0, sqr = 0;
    int tmpSum1, tmpSqr1;

    __local float lcl_sum[16];
    __local float lcl_sqr[16];

    if(gidx < width)
    {
        VXC_ReadImage(src0, input, coord.xy, VXC_5BITOFFSET_XY(0, 0),
                VXC_MODIFIER(0, 15, 0, VXC_RM_TowardZero, 0));
        VXC_DP16x1(tmpSum1, src0, src0, VXC_MODIFIER(0, 0, 0, VXC_RM_TowardZero, 0), uniSumInt8_16x1);
        VXC_DP16x1(tmpSqr1, src0, src0, VXC_MODIFIER(0, 0, 0, VXC_RM_TowardZero, 0), uniSqrSumInt8_16x1);
        sqr = tmpSqr1 * inFlScale_s2;
        sum = tmpSum1 * input_fl_scale;
    }

    lcl_sum[lidx] = sum;
    lcl_sqr[lidx] = sqr;
    barrier(CLK_LOCAL_MEM_FENCE);

    int4 coord_out = (int4)(get_group_id(0) << 2, gidz, 0, 0);
    if(lidx == 0)
    {
        float4 one = (float4)(1, 1, 1, 1);
        __local float4* tmp_sum = (__local float4*)lcl_sum;
        __local float4* tmp_sqr = (__local float4*)lcl_sqr;

        sum = 0; sqr = 0;
        for(int i = 0; i < 4; i++)
        {
            sum += dot(tmp_sum[i], one);
            sqr += dot(tmp_sqr[i], one);
        }

        float4 data = (float4)(sum, sqr, 0, 0);
        write_imagef(output, coord_out, data);
    }
}

__kernel __attribute__((reqd_work_group_size(16, 1, 1))) void group_norm_I8toF16(
    image2d_array_t input, image2d_t bias, image2d_t scale, image2d_t meanVari,
    image2d_array_t output, float eps, int is2D, float rSpaceOrg, int pStride)
{
    int gidy = get_global_id(1);
    int gidz = get_global_id(2);
    int4 coord = (int4)(get_global_id(0), gidy, gidz, 0);
    int4 coord_para = (int4)((convert_int(get_global_id(0) * rSpaceOrg) + gidy * pStride), gidz, 0, 0);
    vxc_char16 src0;
    vxc_short8 src1, outval;
    vxc_half8 scale_h, dst;
    float scale_vari, bias_val;
    vxc_float4 bias_f, scale_f;

    vxc_float4 mean_vari = read_imagef(meanVari, coord_para.zy);
    VXC_ReadImage(src1, scale, coord_para.xy, VXC_5BITOFFSET_XY(0, 0),\
            VXC_MODIFIER(0, 0, 0, VXC_RM_TowardZero, 0));
    bias_f = read_imagef(bias, coord_para.xy);
    VXC_ReadImage2DArray(src0, input, coord, VXC_5BITOFFSET_XY(0, 0), VXC_MODIFIER(0, 15, 0, VXC_RM_TowardZero, 0));

    _viv_asm(COPY, scale_h, src1, 16);
    VXC_DP4x4(scale_f, scale_h, scale_h, VXC_MODIFIER(0, 3, 0, VXC_RM_TowardZero, 0), UniFP16toFP32Lo4_dp4x4);

    scale_vari = scale_f.s0 * mean_vari.s1;
    vxc_float4  tmpData0, tmpData1, tmpData2, tmpData3, norm;
    half4 tmpVal0, tmpVal1;
    float alpha = input_fl_scale * scale_vari;
    bias_val = (bias_f.s0 - scale_vari * mean_vari.s0);

    VXC_DP4x4(tmpData0, src0, src0, VXC_MODIFIER(0, 3, 0, VXC_RM_TowardZero, 0), uniConvertDirInt8Fp32_4x4);
    VXC_DP4x4(tmpData1, src0, src0, VXC_MODIFIER(0, 3, 0, VXC_RM_TowardZero, 0), uniConvertEndInt8Fp32_4x4);
    VXC_DP4x4(tmpData2, src0, src0, VXC_MODIFIER(0, 3, 0, VXC_RM_TowardZero, 0), uniConvertTrdInt8Fp32_4x4);
    VXC_DP4x4(tmpData3, src0, src0, VXC_MODIFIER(0, 3, 0, VXC_RM_TowardZero, 0), uniConvertFthInt8Fp32_4x4);

    norm = alpha * tmpData0 + bias_val;
    _viv_asm(CONV, tmpVal0, norm);
    norm = alpha * tmpData1 + bias_val;
    _viv_asm(CONV, tmpVal1, norm);
    VXC_DP2x8(dst, tmpVal0, tmpVal1, VXC_MODIFIER(0, 7, 0, VXC_RM_TowardZero, 0), uniConvertHalfToFp16_2x8);
    _viv_asm(COPY, outval, dst, 16);
    VXC_WriteImage2DArray(output, coord, outval, VXC_MODIFIER(0, 7, 0,VXC_RM_TowardZero, 0));
    coord.x += 8;
    norm = alpha * tmpData2 + bias_val;
    _viv_asm(CONV, tmpVal0, norm);
    norm = alpha * tmpData3 + bias_val;
    _viv_asm(CONV, tmpVal1, norm);
    VXC_DP2x8(dst, tmpVal0, tmpVal1, VXC_MODIFIER(0, 7, 0, VXC_RM_TowardZero, 0), uniConvertHalfToFp16_2x8);
    _viv_asm(COPY, outval, dst, 16);
    VXC_WriteImage2DArray(output, coord, outval, VXC_MODIFIER(0, 7, 0,VXC_RM_TowardZero, 0));
}

__kernel __attribute__((reqd_work_group_size(16, 1, 1))) void group_norm_I8toF16_2D(
    image2d_array_t input, image2d_t bias, image2d_t scale, image2d_t meanVari,
    image2d_array_t output, float eps, int is2D, float rSpaceOrg, int pStride)
{
    int gidz = get_global_id(1);
    int2 coord = (int2)(get_global_id(0), gidz);
    int4 coord_para = (int4)(convert_int(get_global_id(0) * rSpaceOrg), gidz, 0, 0);
    vxc_char16 src0;
    vxc_short8 src1, outval;
    vxc_half8 scale_h, dst;
    float scale_vari, bias_val;
    vxc_float4 bias_f, scale_f;

    vxc_float4 mean_vari = read_imagef(meanVari, coord_para.zy);
    VXC_ReadImage(src1, scale, coord_para.xy, VXC_5BITOFFSET_XY(0, 0),\
            VXC_MODIFIER(0, 0, 0, VXC_RM_TowardZero, 0));
    bias_f = read_imagef(bias, coord_para.xy);
    VXC_ReadImage(src0, input, coord.xy, VXC_5BITOFFSET_XY(0, 0),\
            VXC_MODIFIER(0, 15, 0, VXC_RM_TowardZero, 0));

    _viv_asm(COPY, scale_h, src1, 16);
    VXC_DP4x4(scale_f, scale_h, scale_h, VXC_MODIFIER(0, 3, 0, VXC_RM_TowardZero, 0), UniFP16toFP32Lo4_dp4x4);

    scale_vari = scale_f.s0 * mean_vari.s1;
    vxc_float4  tmpData0, tmpData1, tmpData2, tmpData3, norm;
    half4 tmpVal0, tmpVal1;
    float alpha = input_fl_scale * scale_vari;
    bias_val = (bias_f.s0 - scale_vari * mean_vari.s0);

    VXC_DP4x4(tmpData0, src0, src0, VXC_MODIFIER(0, 3, 0, VXC_RM_TowardZero, 0), uniConvertDirInt8Fp32_4x4);
    VXC_DP4x4(tmpData1, src0, src0, VXC_MODIFIER(0, 3, 0, VXC_RM_TowardZero, 0), uniConvertEndInt8Fp32_4x4);
    VXC_DP4x4(tmpData2, src0, src0, VXC_MODIFIER(0, 3, 0, VXC_RM_TowardZero, 0), uniConvertTrdInt8Fp32_4x4);
    VXC_DP4x4(tmpData3, src0, src0, VXC_MODIFIER(0, 3, 0, VXC_RM_TowardZero, 0), uniConvertFthInt8Fp32_4x4);
    norm = alpha * tmpData0 + bias_val;
    _viv_asm(CONV, tmpVal0, norm);
    norm = alpha * tmpData1 + bias_val;
    _viv_asm(CONV, tmpVal1, norm);
    VXC_DP2x8(dst, tmpVal0, tmpVal1, VXC_MODIFIER(0, 7, 0, VXC_RM_TowardZero, 0), uniConvertHalfToFp16_2x8);
    _viv_asm(COPY, outval, dst, 16);
    VXC_WriteImage(output, coord.xy, outval, VXC_MODIFIER(0, 7, 0, VXC_RM_TowardZero, 0));
    coord.x += 8;
    norm = alpha * tmpData2 + bias_val;
    _viv_asm(CONV, tmpVal0, norm);
    norm = alpha * tmpData3 + bias_val;
    _viv_asm(CONV, tmpVal1, norm);
    VXC_DP2x8(dst, tmpVal0, tmpVal1, VXC_MODIFIER(0, 7, 0, VXC_RM_TowardZero, 0), uniConvertHalfToFp16_2x8);
    _viv_asm(COPY, outval, dst, 16);
    VXC_WriteImage(output, coord.xy, outval, VXC_MODIFIER(0, 7, 0, VXC_RM_TowardZero, 0));
}

__kernel __attribute__((reqd_work_group_size(16, 1, 1))) void group_norm_I8toI8(
    image2d_array_t input, image2d_t bias, image2d_t scale, image2d_t meanVari,
    image2d_array_t output, float eps, int is2D, float rSpaceOrg, int pStride)
{
    int gidy = get_global_id(1);
    int gidz = get_global_id(2);
    int4 coord = (int4)(get_global_id(0), gidy, gidz, 0);
    int4 coord_para = (int4)((convert_int(get_global_id(0) * rSpaceOrg) + gidy * pStride), gidz, 0, 0);
    vxc_char16 src0, src2;
    vxc_short8 src1;
    vxc_half8 scale_h;
    float scale_vari, bias_val;
    vxc_float4 bias_f, scale_f;

    vxc_float4 mean_vari = read_imagef(meanVari, coord_para.zy);
    VXC_ReadImage(src1, scale, coord_para.xy, VXC_5BITOFFSET_XY(0, 0),\
            VXC_MODIFIER(0, 0, 0, VXC_RM_TowardZero, 0));
    bias_f = read_imagef(bias, coord_para.xy);
    VXC_ReadImage2DArray(src0, input, coord, VXC_5BITOFFSET_XY(0, 0), VXC_MODIFIER(0, 15, 0, VXC_RM_TowardZero, 0));

    _viv_asm(COPY, scale_h, src1, 16);
    VXC_DP4x4(scale_f, scale_h, scale_h, VXC_MODIFIER(0, 3, 0, VXC_RM_TowardZero, 0), UniFP16toFP32Lo4_dp4x4);

    scale_vari = scale_f.s0 * mean_vari.s1;
    vxc_int4 tmpVal0, tmpVal1;
    vxc_float4  tmpData0, tmpData1, tmpData2, tmpData3, norm;
    float alpha = inOut_fl_scale * scale_vari;
    bias_val = (bias_f.s0 - scale_vari * mean_vari.s0) * output_fl_scale;

    VXC_DP4x4(tmpData0, src0, src0, VXC_MODIFIER(0, 3, 0, VXC_RM_TowardZero, 0), uniConvertDirInt8Fp32_4x4);
    VXC_DP4x4(tmpData1, src0, src0, VXC_MODIFIER(0, 3, 0, VXC_RM_TowardZero, 0), uniConvertEndInt8Fp32_4x4);
    VXC_DP4x4(tmpData2, src0, src0, VXC_MODIFIER(0, 3, 0, VXC_RM_TowardZero, 0), uniConvertTrdInt8Fp32_4x4);
    VXC_DP4x4(tmpData3, src0, src0, VXC_MODIFIER(0, 3, 0, VXC_RM_TowardZero, 0), uniConvertFthInt8Fp32_4x4);
    norm = tmpData0 * alpha + bias_val;
    tmpVal0 = convert_int4_rte(norm);
    norm = tmpData1 * alpha + bias_val;
    tmpVal1 = convert_int4_rte(norm);
    VXC_DP2x8(src2, tmpVal0, tmpVal1, VXC_MODIFIER(0, 7, 0, VXC_RM_TowardZero, 1), uniConvertInt32toUint8_2x8);
    norm = tmpData2 * alpha + bias_val;
    tmpVal0 = convert_int4_rte(norm);
    norm = tmpData3 * alpha + bias_val;
    tmpVal1 = convert_int4_rte(norm);
    VXC_DP2x8(src2, tmpVal0, tmpVal1, VXC_MODIFIER(8, 15, 0, VXC_RM_TowardZero, 1), uniConvertInt32toUint8_2x8);
    VXC_WriteImage2DArray(output, coord, src2, VXC_MODIFIER(0, 15, 0,VXC_RM_TowardZero, 0));
}

__kernel __attribute__((reqd_work_group_size(16, 1, 1))) void group_norm_I8toI8_2D(
    image2d_array_t input, image2d_t bias, image2d_t scale, image2d_t meanVari,
    image2d_array_t output, float eps, int is2D, float rSpaceOrg, int pStride)
{
    int gidz = get_global_id(1);
    int2 coord = (int2)(get_global_id(0), gidz);
    int4 coord_para = (int4)(convert_int(get_global_id(0) * rSpaceOrg), gidz, 0, 0);
    vxc_char16 src0, src2;
    vxc_short8 src1;
    vxc_half8 scale_h;
    float scale_vari, bias_val;
    vxc_float4 bias_f, scale_f;

    vxc_float4 mean_vari = read_imagef(meanVari, coord_para.zy);
    VXC_ReadImage(src1, scale, coord_para.xy, VXC_5BITOFFSET_XY(0, 0),\
            VXC_MODIFIER(0, 0, 0, VXC_RM_TowardZero, 0));
    bias_f = read_imagef(bias, coord_para.xy);
    VXC_ReadImage(src0, input, coord.xy, VXC_5BITOFFSET_XY(0, 0), VXC_MODIFIER(0, 15, 0, VXC_RM_TowardZero, 0));

    _viv_asm(COPY, scale_h, src1, 16);
    VXC_DP4x4(scale_f, scale_h, scale_h, VXC_MODIFIER(0, 3, 0, VXC_RM_TowardZero, 0), UniFP16toFP32Lo4_dp4x4);

    scale_vari = scale_f.s0 * mean_vari.s1;
    vxc_int4 tmpVal0, tmpVal1;
    vxc_float4  tmpData0, tmpData1, tmpData2, tmpData3, norm;
    float alpha = inOut_fl_scale * scale_vari;
    bias_val = (bias_f.s0 - scale_vari * mean_vari.s0) * output_fl_scale;

    VXC_DP4x4(tmpData0, src0, src0, VXC_MODIFIER(0, 3, 0, VXC_RM_TowardZero, 0), uniConvertDirInt8Fp32_4x4);
    VXC_DP4x4(tmpData1, src0, src0, VXC_MODIFIER(0, 3, 0, VXC_RM_TowardZero, 0), uniConvertEndInt8Fp32_4x4);
    VXC_DP4x4(tmpData2, src0, src0, VXC_MODIFIER(0, 3, 0, VXC_RM_TowardZero, 0), uniConvertTrdInt8Fp32_4x4);
    VXC_DP4x4(tmpData3, src0, src0, VXC_MODIFIER(0, 3, 0, VXC_RM_TowardZero, 0), uniConvertFthInt8Fp32_4x4);
    norm = tmpData0 * alpha + bias_val;
    tmpVal0 = convert_int4_rte(norm);
    norm = tmpData1 * alpha + bias_val;
    tmpVal1 = convert_int4_rte(norm);
    VXC_DP2x8(src2, tmpVal0, tmpVal1, VXC_MODIFIER(0, 7, 0, VXC_RM_TowardZero, 1), uniConvertInt32toUint8_2x8);
    norm = tmpData2 * alpha + bias_val;
    tmpVal0 = convert_int4_rte(norm);
    norm = tmpData3 * alpha + bias_val;
    tmpVal1 = convert_int4_rte(norm);
    VXC_DP2x8(src2, tmpVal0, tmpVal1, VXC_MODIFIER(8, 15, 0, VXC_RM_TowardZero, 1), uniConvertInt32toUint8_2x8);
    VXC_WriteImage(output, coord.xy, src2, VXC_MODIFIER(0, 15, 0, VXC_RM_TowardZero, 0));
}
