SPIRV-Cross/reference/shaders-msl-no-opt/packing/matrix-3x4-scalar.comp

#pragma clang diagnostic ignored "-Wmissing-prototypes"

#include <metal_stdlib>
#include <simd/simd.h>

using namespace metal;

typedef packed_float3 packed_rm_float3x4[4];

struct SSBOCol
{
    float3x4 col_major0;
    float3x4 col_major1;
};

struct SSBORow
{
    packed_rm_float3x4 row_major0;
    packed_rm_float3x4 row_major1;
};

void load_store_to_variable_col_major(device SSBOCol& v_29)
{
    float3x4 loaded = v_29.col_major0;
    v_29.col_major1 = loaded;
}

void load_store_to_variable_row_major(device SSBORow& v_41)
{
    float3x4 loaded = transpose(float4x3(float3(v_41.row_major0[0]), float3(v_41.row_major0[1]), float3(v_41.row_major0[2]), float3(v_41.row_major0[3])));
    v_41.row_major0[0] = float3(loaded[0][0], loaded[1][0], loaded[2][0]);
    v_41.row_major0[1] = float3(loaded[0][1], loaded[1][1], loaded[2][1]);
    v_41.row_major0[2] = float3(loaded[0][2], loaded[1][2], loaded[2][2]);
    v_41.row_major0[3] = float3(loaded[0][3], loaded[1][3], loaded[2][3]);
}

void copy_col_major_to_col_major(device SSBOCol& v_29)
{
    v_29.col_major0 = v_29.col_major1;
}

void copy_col_major_to_row_major(device SSBOCol& v_29, device SSBORow& v_41)
{
    v_41.row_major0[0] = float3(v_29.col_major0[0][0], v_29.col_major0[1][0], v_29.col_major0[2][0]);
    v_41.row_major0[1] = float3(v_29.col_major0[0][1], v_29.col_major0[1][1], v_29.col_major0[2][1]);
    v_41.row_major0[2] = float3(v_29.col_major0[0][2], v_29.col_major0[1][2], v_29.col_major0[2][2]);
    v_41.row_major0[3] = float3(v_29.col_major0[0][3], v_29.col_major0[1][3], v_29.col_major0[2][3]);
}

void copy_row_major_to_col_major(device SSBOCol& v_29, device SSBORow& v_41)
{
    v_29.col_major0 = transpose(float4x3(float3(v_41.row_major0[0]), float3(v_41.row_major0[1]), float3(v_41.row_major0[2]), float3(v_41.row_major0[3])));
}

void copy_row_major_to_row_major(device SSBORow& v_41)
{
    v_41.row_major0[0] = float4x3(float3(v_41.row_major1[0]), float3(v_41.row_major1[1]), float3(v_41.row_major1[2]), float3(v_41.row_major1[3]))[0];
    v_41.row_major0[1] = float4x3(float3(v_41.row_major1[0]), float3(v_41.row_major1[1]), float3(v_41.row_major1[2]), float3(v_41.row_major1[3]))[1];
    v_41.row_major0[2] = float4x3(float3(v_41.row_major1[0]), float3(v_41.row_major1[1]), float3(v_41.row_major1[2]), float3(v_41.row_major1[3]))[2];
    v_41.row_major0[3] = float4x3(float3(v_41.row_major1[0]), float3(v_41.row_major1[1]), float3(v_41.row_major1[2]), float3(v_41.row_major1[3]))[3];
}

void copy_columns(device SSBOCol& v_29, device SSBORow& v_41)
{
    v_29.col_major0[1] = float4(v_41.row_major0[0][1], v_41.row_major0[1][1], v_41.row_major0[2][1], v_41.row_major0[3][1]);
    v_41.row_major0[0][1] = v_29.col_major0[1].x;
    v_41.row_major0[1][1] = v_29.col_major0[1].y;
    v_41.row_major0[2][1] = v_29.col_major0[1].z;
    v_41.row_major0[3][1] = v_29.col_major0[1].w;
}

void copy_elements(device SSBOCol& v_29, device SSBORow& v_41)
{
    v_29.col_major0[0].y = v_41.row_major0[1u][0];
    v_41.row_major0[1u][0] = v_29.col_major0[0].y;
}

kernel void main0(device SSBOCol& v_29 [[buffer(0)]], device SSBORow& v_41 [[buffer(1)]])
{
    load_store_to_variable_col_major(v_29);
    load_store_to_variable_row_major(v_41);
    copy_col_major_to_col_major(v_29);
    copy_col_major_to_row_major(v_29, v_41);
    copy_row_major_to_col_major(v_29, v_41);
    copy_row_major_to_row_major(v_41);
    copy_columns(v_29, v_41);
    copy_elements(v_29, v_41);
}