SPIRV-Cross/reference/shaders-msl/comp/composite-array-initialization.comp
Hans-Kristian Arntzen fa011f8547 MSL: Declare arrays with proper type wrapper.
Need to construct with value type spvUnsafeArray<T, N>({ elem0, elem1 })
to make array initialization work in complex scenarios.
2019-10-26 17:57:34 +02:00

90 lines
2.2 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 Data
{
float a;
float b;
};
constant float X_tmp [[function_constant(0)]];
constant float X = is_function_constant_defined(X_tmp) ? X_tmp : 4.0;
struct Data_1
{
float a;
float b;
};
struct SSBO
{
Data_1 outdata[1];
};
constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(2u, 1u, 1u);
constant spvUnsafeArray<Data, 2> _25 = spvUnsafeArray<Data, 2>({ Data{ 1.0, 2.0 }, Data{ 3.0, 4.0 } });
static inline __attribute__((always_inline))
Data combine(thread const Data& a, thread const Data& b)
{
return Data{ a.a + b.a, a.b + b.b };
}
kernel void main0(device SSBO& _53 [[buffer(0)]], uint3 gl_WorkGroupID [[threadgroup_position_in_grid]], uint3 gl_LocalInvocationID [[thread_position_in_threadgroup]])
{
spvUnsafeArray<Data, 2> data = spvUnsafeArray<Data, 2>({ Data{ 1.0, 2.0 }, Data{ 3.0, 4.0 } });
spvUnsafeArray<Data, 2> _31 = spvUnsafeArray<Data, 2>({ Data{ X, 2.0 }, Data{ 3.0, 5.0 } });
spvUnsafeArray<Data, 2> data2;
data2 = _31;
Data param = data[gl_LocalInvocationID.x];
Data param_1 = data2[gl_LocalInvocationID.x];
Data _73 = combine(param, param_1);
_53.outdata[gl_WorkGroupID.x].a = _73.a;
_53.outdata[gl_WorkGroupID.x].b = _73.b;
}