SPIRV-Cross/reference/shaders-msl/comp/dowhile.comp
2019-09-24 18:13:04 -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 SSBO
{
float4x4 mvp;
spvUnsafeArray<float4, 1> in_data;
};
struct SSBO2
{
spvUnsafeArray<float4, 1> out_data;
};
constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(1u);
kernel void main0(const device SSBO& _28 [[buffer(0)]], device SSBO2& _52 [[buffer(1)]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]])
{
uint ident = gl_GlobalInvocationID.x;
int i = 0;
float4 idat = _28.in_data[ident];
do
{
idat = _28.mvp * idat;
i++;
} while (i < 16);
_52.out_data[ident] = idat;
}