67 lines
1.6 KiB
Plaintext
67 lines
1.6 KiB
Plaintext
#pragma clang diagnostic ignored "-Wmissing-prototypes"
|
|
#pragma clang diagnostic ignored "-Wmissing-braces"
|
|
|
|
#include <metal_stdlib>
|
|
#include <simd/simd.h>
|
|
|
|
using namespace metal;
|
|
|
|
template<typename T, size_t Num>
|
|
struct spvUnsafeArray
|
|
{
|
|
T elements[Num ? Num : 1];
|
|
|
|
thread T& operator [] (size_t pos) thread
|
|
{
|
|
return elements[pos];
|
|
}
|
|
constexpr const thread T& operator [] (size_t pos) const thread
|
|
{
|
|
return elements[pos];
|
|
}
|
|
|
|
device T& operator [] (size_t pos) device
|
|
{
|
|
return elements[pos];
|
|
}
|
|
constexpr const device T& operator [] (size_t pos) const device
|
|
{
|
|
return elements[pos];
|
|
}
|
|
|
|
constexpr const constant T& operator [] (size_t pos) const constant
|
|
{
|
|
return elements[pos];
|
|
}
|
|
|
|
threadgroup T& operator [] (size_t pos) threadgroup
|
|
{
|
|
return elements[pos];
|
|
}
|
|
constexpr const threadgroup T& operator [] (size_t pos) const threadgroup
|
|
{
|
|
return elements[pos];
|
|
}
|
|
};
|
|
|
|
struct SSBO
|
|
{
|
|
spvUnsafeArray<float, 1> in_data;
|
|
};
|
|
|
|
struct SSBO2
|
|
{
|
|
spvUnsafeArray<float, 1> out_data;
|
|
};
|
|
|
|
constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(4u, 1u, 1u);
|
|
|
|
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]])
|
|
{
|
|
threadgroup float sShared[4];
|
|
sShared[gl_LocalInvocationIndex] = _22.in_data[gl_GlobalInvocationID.x];
|
|
threadgroup_barrier(mem_flags::mem_threadgroup);
|
|
_44.out_data[gl_GlobalInvocationID.x] = sShared[3u - gl_LocalInvocationIndex];
|
|
}
|
|
|