SPIRV-Cross/reference/shaders-msl-no-opt/packing/struct-size-padding-array-of-array.comp
Hans-Kristian Arntzen 711300baed MSL: Do not emit swizzled writes in packing fixups.
Similar to scalar access chain fix, this causes a read-modify-write on
memory we're not supposed to write to.
2020-07-06 10:03:46 +02:00

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#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct A
{
float v;
char _m0_final_padding[12];
};
struct B
{
float2 v;
char _m0_final_padding[8];
};
struct C
{
float3 v;
};
struct D
{
float4 v;
};
struct E
{
float4 a;
float2 b;
char _m0_final_padding[8];
};
struct SSBO
{
A a[2][4];
B b[2][4];
C c[2][4];
D d[2][4];
float2x4 e[2][4];
E f[1];
};
constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(1u);
kernel void main0(device SSBO& _32 [[buffer(0)]])
{
_32.f[0].a = float4(2.0);
float2x2 tmp = float2x2(_32.e[0][1][0].xy, _32.e[0][1][1].xy);
(device float2&)_32.e[1][2][0] = tmp[0];
(device float2&)_32.e[1][2][1] = tmp[1];
}