93 lines
2.6 KiB
Plaintext
93 lines
2.6 KiB
Plaintext
#pragma clang diagnostic ignored "-Wmissing-prototypes"
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#pragma clang diagnostic ignored "-Wmissing-braces"
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#include <metal_stdlib>
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#include <simd/simd.h>
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using namespace metal;
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template<typename T, size_t Num>
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struct spvUnsafeArray
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{
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T elements[Num ? Num : 1];
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thread T& operator [] (size_t pos) thread
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{
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return elements[pos];
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}
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constexpr const thread T& operator [] (size_t pos) const thread
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{
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return elements[pos];
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}
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device T& operator [] (size_t pos) device
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{
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return elements[pos];
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}
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constexpr const device T& operator [] (size_t pos) const device
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{
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return elements[pos];
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}
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constexpr const constant T& operator [] (size_t pos) const constant
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{
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return elements[pos];
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}
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threadgroup T& operator [] (size_t pos) threadgroup
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{
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return elements[pos];
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}
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constexpr const threadgroup T& operator [] (size_t pos) const threadgroup
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{
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return elements[pos];
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}
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};
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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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constant spvUnsafeArray<float, 4> _31 = spvUnsafeArray<float, 4>({ 0.0, 0.0, 0.0, 0.0 });
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kernel void main0(const device SSBO& _22 [[buffer(0)]], device SSBO2& _48 [[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 spvUnsafeArray<float, 4> sShared;
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{
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threadgroup uint *sShared_ptr = (threadgroup uint *)&sShared;
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uint sShared_sz = sizeof(sShared);
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uint sShared_pos = gl_LocalInvocationIndex;
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uint sShared_stride = gl_WorkGroupSize.x * gl_WorkGroupSize.y * gl_WorkGroupSize.z;
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while (sizeof(uint) * sShared_pos < sShared_sz)
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{
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sShared_ptr[sShared_pos] = 0u;
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sShared_pos += sShared_stride;
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}
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if (gl_LocalInvocationIndex == 0)
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{
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sShared_pos = (sShared_sz / sizeof(uint)) * sizeof(uint);
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threadgroup uchar *sShared_ptr2 = (threadgroup uchar *)&sShared;
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while (sShared_pos < sShared_sz)
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{
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sShared_ptr2[sShared_pos] = '\0';
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sShared_pos++;
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}
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}
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threadgroup_barrier(mem_flags::mem_threadgroup);
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}
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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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_48.out_data[ident] = sShared[(4u - gl_LocalInvocationIndex) - 1u];
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}
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