102 lines
2.3 KiB
Plaintext
102 lines
2.3 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 foo
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{
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spvUnsafeArray<int, 128> a;
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uint b;
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float2 c;
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};
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struct bar
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{
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int d;
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};
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static inline __attribute__((always_inline))
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device foo* select_buffer(device foo& a, constant bar& cb)
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{
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return (cb.d != 0) ? &a : nullptr;
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}
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static inline __attribute__((always_inline))
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thread uint3* select_input(thread uint3& gl_GlobalInvocationID, thread uint3& gl_LocalInvocationID, constant bar& cb)
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{
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return (cb.d != 0) ? &gl_GlobalInvocationID : &gl_LocalInvocationID;
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}
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kernel void main0(device foo& buf [[buffer(0)]], constant bar& cb [[buffer(1)]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]], uint3 gl_LocalInvocationID [[thread_position_in_threadgroup]])
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{
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device foo* _46 = select_buffer(buf, cb);
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device foo* _45 = _46;
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device foo* _48 = _45;
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device int* _52;
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device int* _55;
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_52 = &_48->a[0u];
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_55 = &buf.a[0u];
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int _57;
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int _58;
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for (;;)
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{
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_57 = *_52;
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_58 = *_55;
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if (_57 != _58)
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{
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int _66 = (_57 + _58) + int((*select_input(gl_GlobalInvocationID, gl_LocalInvocationID, cb)).x);
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*_52 = _66;
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*_55 = _66;
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_52 = &_52[1u];
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_55 = &_55[1u];
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continue;
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}
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else
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{
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break;
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}
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}
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}
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