reference/shaders-msl/comp/spec-constant-op-member-array.comp

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

using namespace metal;

#ifndef SPIRV_CROSS_CONSTANT_ID_0
#define SPIRV_CROSS_CONSTANT_ID_0 100
#endif
constant int a = SPIRV_CROSS_CONSTANT_ID_0;
#ifndef SPIRV_CROSS_CONSTANT_ID_1
#define SPIRV_CROSS_CONSTANT_ID_1 200
#endif
constant int b = SPIRV_CROSS_CONSTANT_ID_1;

struct A
{
    int member0[a];
    int member1[b];
};

struct B
{
    int member0[b];
    int member1[a];
};

#ifndef SPIRV_CROSS_CONSTANT_ID_2
#define SPIRV_CROSS_CONSTANT_ID_2 300
#endif
constant int c = SPIRV_CROSS_CONSTANT_ID_2;
constant int d = (c + 50);

struct SSBO
{
    A member_a;
    B member_b;
    int v[a];
    int w[d];
};

constant int e_tmp [[function_constant(3)]];
constant int e = is_function_constant_defined(e_tmp) ? e_tmp : 400;

kernel void main0(device SSBO& _22 [[buffer(0)]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]])
{
    _22.w[gl_GlobalInvocationID.x] += (_22.v[gl_GlobalInvocationID.x] + e);
}