SPIRV-Cross/reference/shaders-msl/comp/packing-test-2.comp
2019-09-24 14:35:25 -04:00

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#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 T1
{
packed_float3 a;
float b;
};
struct Buffer0
{
spvUnsafeArray<T1, 1> buf0;
};
struct Buffer1
{
spvUnsafeArray<float, 1> buf1;
};
constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(32u, 1u, 1u);
kernel void main0(device Buffer0& _14 [[buffer(0)]], device Buffer1& _24 [[buffer(1)]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]])
{
float x = _14.buf0[0].b;
_24.buf1[gl_GlobalInvocationID.x] = x;
}