#include "cl_viv_vx_ext.h"

_viv_uniform VXC_512Bits uniDataToFP32_0_4x4;
_viv_uniform VXC_512Bits uniDataToFP32_1_4x4;
_viv_uniform VXC_512Bits uniExtract8Data_2x8;
_viv_uniform int height;
_viv_uniform uint group_num;
_viv_uniform float output_zp;
_viv_uniform float output_scale;
_viv_uniform float inv_multiplier;

#define LAYER_NORM_AXIS01_I16_F16to16Bits(name,temp_type,dst_type,conv_type) \
__kernel __attribute__((reqd_work_group_size(16, 1, 1))) void layernorm_axis01_I16_F16to##name( \
    image2d_array_t input, image2d_array_t bias, image2d_array_t scale, image2d_t meanVari, \
    image2d_array_t output, float eps) \
{ \
    int gidz = get_global_id(1); \
    int4 coord = (int4)(get_global_id(0), 0, gidz, gidz); \
    int4 coord_in = (int4)(get_global_id(0), 0, gidz, gidz); \
    int2 coord_sum = (int2)(0, gidz); \
    int4 coord_para = coord; \
    vxc_short8 src0, src1; \
    vxc_half8 scale_h; \
    vxc_float4 bias_f0, bias_f1, scale_f0, scale_f1; \
    vxc_float4 mean_vari = (vxc_float4)(0); \
 \
    for(int i = 0; i < group_num; i++) \
    { \
        mean_vari += read_imagef(meanVari, coord_sum); \
        coord_sum.x += 4; \
    } \
    mean_vari *= inv_multiplier; \
    mean_vari.s1 = mean_vari.s1 - mean_vari.s0 * mean_vari.s0 + eps; \
    mean_vari.s1 = rsqrt(mean_vari.s1); \
 \
    coord_para.z = 0; \
    coord_para.w = 0; \
    int4 coord_bias = coord_para; \
 \
    int8 input_desc, scale_desc, output_desc; \
    _viv_asm(COPY, input_desc, input, sizeof(input_desc)); \
    int baseAddr_a = (int)coord_in.z * input_desc.s4 + input_desc.s0; \
    _viv_asm(MOV, coord_in.z, baseAddr_a); \
 \
    _viv_asm(COPY, scale_desc, scale, sizeof(scale_desc)); \
    int baseAddr_c = (int)coord_para.z * scale_desc.s4 + scale_desc.s0; \
    _viv_asm(MOV, coord_para.w, baseAddr_c); \
 \
    _viv_asm(COPY, output_desc, output, sizeof(output_desc)); \
    int baseAddr = (int)coord.z * output_desc.s4 + output_desc.s0; \
    _viv_asm(MOV, coord.z, baseAddr); \
 \
    vxc_float4  tmpData0, tmpData1, norm; \
    temp_type tmpVal0, tmpVal1; \
    vxc_short8 outval; \
    dst_type dst; \
 \
    for(coord.y = 0; coord.y < height; coord.y++) \
    { \
        VXC_OP4(img_load_3d, src0, input, coord_in, VXC_5BITOFFSET_XY(0, 0), \
                        VXC_MODIFIER(0, 7, 0, VXC_RM_TowardZero, 0)); \
        coord_in.y ++; \
        coord_para.y = coord.y; \
        coord_bias.y = coord.y; \
        VXC_OP4(img_load_3d, src1, scale, coord_para.xywz, VXC_5BITOFFSET_XY(0, 0), \
                        VXC_MODIFIER(0, 7, 0, VXC_RM_TowardZero, 0)); \
        bias_f0 = read_imagef(bias, coord_bias); \
        coord_bias.x += 4; \
        bias_f1 = read_imagef(bias, coord_bias); \
        coord_bias.x = coord.x; \
 \
        _viv_asm(COPY, scale_h, src1, 16); \
        VXC_DP4x4(scale_f0, scale_h, scale_h, VXC_MODIFIER(0, 3, 0, VXC_RM_TowardZero, 0),\
                uniDataToFP32_0_4x4); \
        VXC_DP4x4(scale_f1, scale_h, scale_h, VXC_MODIFIER(0, 3, 0, VXC_RM_TowardZero, 0),\
                uniDataToFP32_1_4x4); \
        VXC_DP4x4(tmpData0, src0, src0, VXC_MODIFIER(0, 3, 0, VXC_RM_TowardZero, 0),\
                uniDataToFP32_0_4x4); \
        VXC_DP4x4(tmpData1, src0, src0, VXC_MODIFIER(0, 3, 0, VXC_RM_TowardZero, 0),\
                uniDataToFP32_1_4x4); \
        tmpData0 = tmpData0 - mean_vari.s0; \
        tmpData1 = tmpData1 - mean_vari.s0; \
 \
        norm = scale_f0 * mean_vari.s1 * tmpData0 + bias_f0; \
        norm = norm * output_scale + output_zp; \
        _viv_asm(conv_type, tmpVal0, norm); \
        norm = scale_f1 * mean_vari.s1 * tmpData1 + bias_f1; \
        norm = norm * output_scale + output_zp; \
        _viv_asm(conv_type, tmpVal1, norm); \
 \
        VXC_DP2x8(dst, tmpVal0, tmpVal1, VXC_MODIFIER(0, 7, 0, VXC_RM_TowardZero, 1),\
                uniExtract8Data_2x8); \
        _viv_asm(COPY, outval, dst, 16); \
        VXC_OP4_NoDest(img_store_3d, output, coord, outval, \
                VXC_MODIFIER(0, 7, 0,VXC_RM_TowardZero, 0)); \
    } \
}
LAYER_NORM_AXIS01_I16_F16to16Bits(F16,half4,vxc_half8,CONV)
LAYER_NORM_AXIS01_I16_F16to16Bits(I16,int4,vxc_short8,CONV_RTE)


#define LAYER_NORM_AXIS01_I16_F32to16Bits(name,temp_type,dst_type,conv_type) \
__kernel __attribute__((reqd_work_group_size(16, 1, 1))) void layernorm_axis01_I16_F32to##name( \
    image2d_array_t input, image2d_array_t bias, image2d_array_t scale, image2d_t meanVari, \
    image2d_array_t output, float eps) \
{ \
    int gidz = get_global_id(1); \
    int4 coord = (int4)(get_global_id(0), 0, gidz, gidz); \
    int4 coord_in = (int4)(get_global_id(0), 0, gidz, gidz); \
    int2 coord_sum = (int2)(0, gidz); \
    int4 coord_para = coord; \
    vxc_short8 src0; \
    vxc_float4 bias_f0, bias_f1, scale_f0, scale_f1; \
    vxc_float4 mean_vari = (vxc_float4)(0); \
 \
    for(int i = 0; i < group_num; i++) \
    { \
        mean_vari += read_imagef(meanVari, coord_sum); \
        coord_sum.x += 4; \
    } \
    mean_vari *= inv_multiplier; \
    mean_vari.s1 = mean_vari.s1 - mean_vari.s0 * mean_vari.s0 + eps; \
    mean_vari.s1 = rsqrt(mean_vari.s1); \
 \
    coord_para.z = 0; \
    coord_para.w = 0; \
    int4 coord_bias = coord_para; \
 \
    int8 input_desc, scale_desc, output_desc; \
    _viv_asm(COPY, input_desc, input, sizeof(input_desc)); \
    int baseAddr_a = (int)coord_in.z * input_desc.s4 + input_desc.s0; \
    _viv_asm(MOV, coord_in.z, baseAddr_a); \
 \
    _viv_asm(COPY, output_desc, output, sizeof(output_desc)); \
    int baseAddr = (int)coord.z * output_desc.s4 + output_desc.s0; \
    _viv_asm(MOV, coord.z, baseAddr); \
 \
    vxc_float4  tmpData0, tmpData1, norm; \
    temp_type tmpVal0, tmpVal1; \
    vxc_short8 outval; \
    dst_type dst; \
 \
    for(coord.y = 0; coord.y < height; coord.y++) \
    { \
        VXC_OP4(img_load_3d, src0, input, coord_in, VXC_5BITOFFSET_XY(0, 0), \
                        VXC_MODIFIER(0, 7, 0, VXC_RM_TowardZero, 0)); \
        coord_in.y ++; \
        coord_bias.y = coord.y; \
        bias_f0 = read_imagef(bias, coord_bias); \
        scale_f0 = read_imagef(scale, coord_bias); \
        coord_bias.x += 4; \
        bias_f1 = read_imagef(bias, coord_bias); \
        scale_f1 = read_imagef(scale, coord_bias); \
        coord_bias.x = coord.x; \
 \
        VXC_DP4x4(tmpData0, src0, src0, VXC_MODIFIER(0, 3, 0, VXC_RM_TowardZero, 0),\
                uniDataToFP32_0_4x4); \
        VXC_DP4x4(tmpData1, src0, src0, VXC_MODIFIER(0, 3, 0, VXC_RM_TowardZero, 0),\
                uniDataToFP32_1_4x4); \
        tmpData0 = tmpData0 - mean_vari.s0; \
        tmpData1 = tmpData1 - mean_vari.s0; \
 \
        norm = scale_f0 * mean_vari.s1 * tmpData0 + bias_f0; \
        norm = norm * output_scale + output_zp; \
        _viv_asm(conv_type, tmpVal0, norm); \
        norm = scale_f1 * mean_vari.s1 * tmpData1 + bias_f1; \
        norm = norm * output_scale + output_zp; \
        _viv_asm(conv_type, tmpVal1, norm); \
 \
        VXC_DP2x8(dst, tmpVal0, tmpVal1, VXC_MODIFIER(0, 7, 0, VXC_RM_TowardZero, 1),\
                uniExtract8Data_2x8); \
        _viv_asm(COPY, outval, dst, 16); \
        VXC_OP4_NoDest(img_store_3d, output, coord, outval, \
                VXC_MODIFIER(0, 7, 0,VXC_RM_TowardZero, 0)); \
    } \
}
LAYER_NORM_AXIS01_I16_F32to16Bits(F16,half4,vxc_half8,CONV)
LAYER_NORM_AXIS01_I16_F32to16Bits(I16,int4,vxc_short8,CONV_RTE)
