41eb5c43b5
We were passing a constant '1' to `emit_atomic_func_op()`--which caused us to refer to SPIR-V value `%1`, which is almost certainly not what we want! What we really want is to add/subtract the literal constant '1' to/from the memory location.
27 lines
807 B
Plaintext
27 lines
807 B
Plaintext
#pragma clang diagnostic ignored "-Wmissing-prototypes"
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#pragma clang diagnostic ignored "-Wunused-variable"
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#include <metal_stdlib>
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#include <simd/simd.h>
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#include <metal_atomic>
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using namespace metal;
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struct u0_counters
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{
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uint c;
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};
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// Returns 2D texture coords corresponding to 1D texel buffer coords
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uint2 spvTexelBufferCoord(uint tc)
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{
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return uint2(tc % 4096, tc / 4096);
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}
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kernel void main0(device u0_counters& u0_counter [[buffer(0)]], texture2d<uint, access::write> u0 [[texture(0)]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]])
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{
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uint _29 = atomic_fetch_add_explicit((volatile device atomic_uint*)&u0_counter.c, 1, memory_order_relaxed);
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u0.write(uint4(uint(int3(gl_GlobalInvocationID).x)), spvTexelBufferCoord((uint(as_type<int>(as_type<float>(_29))) + 0u)));
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}
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