d1479f871a
This avoids a lot of huge code changes. Arrays generally cannot be copied in and out of buffers, at least no compiler frontend seems to do it. Also avoids a lot of issues surrounding packed vectors and matrices.
28 lines
723 B
Plaintext
28 lines
723 B
Plaintext
#include <metal_stdlib>
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#include <simd/simd.h>
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using namespace metal;
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struct SSBO
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{
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float in_data[1];
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};
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struct SSBO2
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{
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float out_data[1];
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};
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constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(4u, 1u, 1u);
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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]])
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{
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threadgroup float sShared[4];
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uint ident = gl_GlobalInvocationID.x;
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float idata = _22.in_data[ident];
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sShared[gl_LocalInvocationIndex] = idata;
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threadgroup_barrier(mem_flags::mem_threadgroup);
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_44.out_data[ident] = sShared[(4u - gl_LocalInvocationIndex) - 1u];
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}
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