126 lines
3.2 KiB
Plaintext
126 lines
3.2 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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constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(8u, 1u, 1u);
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template<typename T, uint A>
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static inline __attribute__((always_inline))
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void spvArrayCopyFromConstantToStack1(thread T (&dst)[A], constant T (&src)[A])
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{
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for (uint i = 0; i < A; i++)
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{
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dst[i] = src[i];
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}
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}
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template<typename T, uint A>
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static inline __attribute__((always_inline))
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void spvArrayCopyFromConstantToThreadGroup1(threadgroup T (&dst)[A], constant T (&src)[A])
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{
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for (uint i = 0; i < A; i++)
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{
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dst[i] = src[i];
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}
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}
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template<typename T, uint A>
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static inline __attribute__((always_inline))
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void spvArrayCopyFromStackToStack1(thread T (&dst)[A], thread const T (&src)[A])
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{
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for (uint i = 0; i < A; i++)
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{
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dst[i] = src[i];
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}
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}
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template<typename T, uint A>
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static inline __attribute__((always_inline))
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void spvArrayCopyFromStackToThreadGroup1(threadgroup T (&dst)[A], thread const T (&src)[A])
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{
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for (uint i = 0; i < A; i++)
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{
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dst[i] = src[i];
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}
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}
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template<typename T, uint A>
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static inline __attribute__((always_inline))
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void spvArrayCopyFromThreadGroupToStack1(thread T (&dst)[A], threadgroup const T (&src)[A])
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{
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for (uint i = 0; i < A; i++)
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{
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dst[i] = src[i];
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}
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}
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template<typename T, uint A>
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static inline __attribute__((always_inline))
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void spvArrayCopyFromThreadGroupToThreadGroup1(threadgroup T (&dst)[A], threadgroup const T (&src)[A])
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{
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for (uint i = 0; i < A; i++)
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{
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dst[i] = src[i];
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}
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}
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kernel void main0(uint gl_LocalInvocationIndex [[thread_index_in_threadgroup]])
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{
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threadgroup float shared_group[8][8];
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threadgroup float shared_group_alt[8][8];
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spvUnsafeArray<float, 8> blob;
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for (int i = 0; i < 8; i++)
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{
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blob[i] = float(i);
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}
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spvArrayCopyFromStackToThreadGroup1(shared_group[gl_LocalInvocationIndex], blob.elements);
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threadgroup_barrier(mem_flags::mem_threadgroup);
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spvUnsafeArray<float, 8> copied_blob;
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spvArrayCopyFromThreadGroupToStack1(copied_blob.elements, shared_group[gl_LocalInvocationIndex ^ 1u]);
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spvArrayCopyFromThreadGroupToThreadGroup1(shared_group_alt[gl_LocalInvocationIndex], shared_group[gl_LocalInvocationIndex]);
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}
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