SPIRV-Cross/reference/shaders-msl/comp/struct-packing.comp
Hans-Kristian Arntzen 217eb5b5f9 MSL: Add a preliminary check for bad arrays of structs.
ArrayStride can be larger than the declared struct size.
We have no obvious solution for now, but warn about it in the MSL output
for the time being.
2019-01-28 15:20:30 +01:00

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#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
typedef float3x2 packed_float2x3;
struct S0
{
float2 a[1];
float b;
};
struct S1
{
packed_float3 a;
float b;
};
struct S2
{
float3 a[1];
float b;
};
struct S3
{
float2 a;
float b;
};
struct S4
{
float2 c;
};
struct Content
{
S0 m0s[1];
S1 m1s[1];
S2 m2s[1];
S0 m0;
char _m4_pad[4];
S1 m1;
S2 m2;
char _m6_pad[8];
S3 m3;
char _m7_pad[4];
float m4;
S4 m3s[8];
};
struct SSBO1
{
Content content;
Content content1[2];
Content content2;
char _m3_pad[8];
float2x2 m0;
float2x2 m1;
float2x3 m2[4];
float3x2 m3;
float2x2 m4;
float2x2 m5[9];
packed_float2x3 m6[4][2];
char _m10_pad[8];
float3x2 m7;
char _m11_pad[8];
float array[1];
};
struct S0_1
{
float4 a[1];
float b;
};
struct S1_1
{
packed_float3 a;
float b;
};
struct S2_1
{
float3 a[1];
float b;
};
struct S3_1
{
float2 a;
float b;
};
struct S4_1
{
float2 c;
};
struct Content_1
{
/* FIXME: A padded struct is needed here. If you see this message, file a bug! */ S0_1 m0s[1];
S1_1 m1s[1];
S2_1 m2s[1];
S0_1 m0;
char _m4_pad[12];
S1_1 m1;
S2_1 m2;
char _m6_pad[8];
S3_1 m3;
char _m7_pad[4];
float m4;
char _m8_pad[8];
/* FIXME: A padded struct is needed here. If you see this message, file a bug! */ S4_1 m3s[8];
};
struct SSBO0
{
Content_1 content;
Content_1 content1[2];
Content_1 content2;
float4 array[1];
};
kernel void main0(device SSBO0& ssbo_140 [[buffer(0)]], device SSBO1& ssbo_430 [[buffer(1)]])
{
Content_1 _60 = ssbo_140.content;
ssbo_430.content.m0s[0].a[0] = _60.m0s[0].a[0].xy;
ssbo_430.content.m0s[0].b = _60.m0s[0].b;
ssbo_430.content.m1s[0].a = float3(_60.m1s[0].a);
ssbo_430.content.m1s[0].b = _60.m1s[0].b;
ssbo_430.content.m2s[0].a[0] = _60.m2s[0].a[0];
ssbo_430.content.m2s[0].b = _60.m2s[0].b;
ssbo_430.content.m0.a[0] = _60.m0.a[0].xy;
ssbo_430.content.m0.b = _60.m0.b;
ssbo_430.content.m1.a = float3(_60.m1.a);
ssbo_430.content.m1.b = _60.m1.b;
ssbo_430.content.m2.a[0] = _60.m2.a[0];
ssbo_430.content.m2.b = _60.m2.b;
ssbo_430.content.m3.a = _60.m3.a;
ssbo_430.content.m3.b = _60.m3.b;
ssbo_430.content.m4 = _60.m4;
ssbo_430.content.m3s[0].c = _60.m3s[0].c;
ssbo_430.content.m3s[1].c = _60.m3s[1].c;
ssbo_430.content.m3s[2].c = _60.m3s[2].c;
ssbo_430.content.m3s[3].c = _60.m3s[3].c;
ssbo_430.content.m3s[4].c = _60.m3s[4].c;
ssbo_430.content.m3s[5].c = _60.m3s[5].c;
ssbo_430.content.m3s[6].c = _60.m3s[6].c;
ssbo_430.content.m3s[7].c = _60.m3s[7].c;
ssbo_430.content.m1.a = ssbo_430.content.m3.a * ssbo_430.m6[1][1];
}