SPIRV-Cross/reference/shaders-msl-no-opt/packing/matrix-2x3-scalar.comp

#pragma clang diagnostic ignored "-Wmissing-prototypes"

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

using namespace metal;

typedef packed_float3 packed_float2x3[2];

struct SSBOCol
{
    packed_float2x3 col_major0;
    packed_float2x3 col_major1;
};

struct SSBORow
{
    float3x2 row_major0;
    float3x2 row_major1;
};

constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(1u);

static inline __attribute__((always_inline))
void load_store_to_variable_col_major(device SSBOCol& v_29)
{
    float2x3 loaded = float2x3(float3(v_29.col_major0[0]), float3(v_29.col_major0[1]));
    v_29.col_major1[0] = loaded[0];
    v_29.col_major1[1] = loaded[1];
}

static inline __attribute__((always_inline))
void load_store_to_variable_row_major(device SSBORow& v_41)
{
    float2x3 loaded = transpose(v_41.row_major0);
    v_41.row_major0 = transpose(loaded);
}

static inline __attribute__((always_inline))
void copy_col_major_to_col_major(device SSBOCol& v_29)
{
    v_29.col_major0[0] = float2x3(float3(v_29.col_major1[0]), float3(v_29.col_major1[1]))[0];
    v_29.col_major0[1] = float2x3(float3(v_29.col_major1[0]), float3(v_29.col_major1[1]))[1];
}

static inline __attribute__((always_inline))
void copy_col_major_to_row_major(device SSBOCol& v_29, device SSBORow& v_41)
{
    v_41.row_major0 = transpose(float2x3(float3(v_29.col_major0[0]), float3(v_29.col_major0[1])));
}

static inline __attribute__((always_inline))
void copy_row_major_to_col_major(device SSBOCol& v_29, device SSBORow& v_41)
{
    v_29.col_major0[0] = float3(v_41.row_major0[0][0], v_41.row_major0[1][0], v_41.row_major0[2][0]);
    v_29.col_major0[1] = float3(v_41.row_major0[0][1], v_41.row_major0[1][1], v_41.row_major0[2][1]);
}

static inline __attribute__((always_inline))
void copy_row_major_to_row_major(device SSBORow& v_41)
{
    v_41.row_major0 = v_41.row_major1;
}

static inline __attribute__((always_inline))
void copy_columns(device SSBOCol& v_29, device SSBORow& v_41)
{
    v_29.col_major0[1] = float3(v_41.row_major0[0][1], v_41.row_major0[1][1], v_41.row_major0[2][1]);
    v_41.row_major0[0][1] = v_29.col_major0[1][0];
    v_41.row_major0[1][1] = v_29.col_major0[1][1];
    v_41.row_major0[2][1] = v_29.col_major0[1][2];
}

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

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);
}