SPIRV-Cross/reference/shaders-msl/comp/shared.comp

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#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct SSBO
{
float in_data[1];
};
struct SSBO2
{
float out_data[1];
};
constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(4u, 1u, 1u);
kernel void main0(const device SSBO& _22 [[buffer(0)]], device SSBO2& _44 [[buffer(1)]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]], uint gl_LocalInvocationIndex [[thread_index_in_threadgroup]])
{
threadgroup float sShared[4];
uint ident = gl_GlobalInvocationID.x;
float idata = _22.in_data[ident];
sShared[gl_LocalInvocationIndex] = idata;
threadgroup_barrier(mem_flags::mem_threadgroup);
_44.out_data[ident] = sShared[(4u - gl_LocalInvocationIndex) - 1u];
}