77 lines
1.9 KiB
Plaintext
77 lines
1.9 KiB
Plaintext
#pragma clang diagnostic ignored "-Wmissing-prototypes"
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#pragma clang diagnostic ignored "-Wmissing-braces"
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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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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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spvUnsafeArray<float4, 1> in_data;
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};
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struct SSBO2
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{
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spvUnsafeArray<float4, 1> out_data;
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};
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// Implementation of the GLSL mod() function, which is slightly different than Metal fmod()
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template<typename Tx, typename Ty>
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static inline __attribute__((always_inline))
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Tx mod(Tx x, Ty y)
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{
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return x - y * floor(x / y);
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}
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kernel void main0(const device SSBO& _23 [[buffer(0)]], device SSBO2& _33 [[buffer(1)]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]])
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{
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uint ident = gl_GlobalInvocationID.x;
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float4 v = mod(_23.in_data[ident], _33.out_data[ident]);
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_33.out_data[ident] = v;
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uint4 vu = as_type<uint4>(_23.in_data[ident]) % as_type<uint4>(_33.out_data[ident]);
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_33.out_data[ident] = as_type<float4>(vu);
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int4 vi = as_type<int4>(_23.in_data[ident]) % as_type<int4>(_33.out_data[ident]);
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_33.out_data[ident] = as_type<float4>(vi);
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}
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