1#pragma clang diagnostic ignored "-Wmissing-prototypes"
2#pragma clang diagnostic ignored "-Wunused-variable"
3
4#include <metal_stdlib>
5#include <simd/simd.h>
6#include <metal_atomic>
7
8using namespace metal;
9
10struct u0_counters
11{
12    uint c;
13};
14
15// Returns 2D texture coords corresponding to 1D texel buffer coords
16static inline __attribute__((always_inline))
17uint2 spvTexelBufferCoord(uint tc)
18{
19    return uint2(tc % 4096, tc / 4096);
20}
21
22kernel void main0(device u0_counters& u0_counter [[buffer(0)]], texture2d<uint, access::write> u0 [[texture(0)]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]])
23{
24    uint _29 = atomic_fetch_sub_explicit((device atomic_uint*)&u0_counter.c, 1, memory_order_relaxed);
25    float4 r0;
26    r0.x = as_type<float>(_29);
27    u0.write(uint4(uint(int(gl_GlobalInvocationID.x))), spvTexelBufferCoord(((uint(as_type<int>(r0.x)) * 1u) + (uint(0) >> 2u))));
28}
29
30