yum-mirror/slang

Making it easier to work with shaders

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ArielG-NVImplement `-fvk-use-dx-layout` (#4912)e1c6fecd9

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1//TEST(compute, vulkan):COMPARE_COMPUTE_EX(filecheck-buffer=CHECK):-vk -compute -xslang -fvk-use-dx-layout -emit-spirv-directly
2//TEST:SIMPLE(filecheck=SPIRV): -target spirv -entry computeMain -stage compute -fvk-use-dx-layout
3//TEST_INPUT:cbuffer(data=[1 2.0 3.0 4.0   5 6 7 0   8 9 10 11   12 0 0 0  13 0 0 0   14 0 0 0   15 0 0 0   16 17 18 0   19 20 21 22   23 24 0 0   25 0 0 0   26 0 0 0]):name=Test
4
5//SPIRV: ArrayStride 16
6
7cbuffer Test
8{
9//SPIRV: Offset 0
10    uint v0;
11//SPIRV: Offset 4
12    float3 v1;
13
14//SPIRV: Offset 16
15    uint3 v2;
16
17//SPIRV: Offset 32
18    uint2 v3;
19//SPIRV: Offset 40
20    uint2 v4;
21
22//SPIRV: Offset 48
23    uint v5[4];
24
25// array always starts on a new register.
26//SPIRV: Offset 112
27    uint3 v6[2];
28//SPIRV: Offset 140
29// non-array can pack with a partially filled register
30    uint v7;
31
32//SPIRV: Offset 144
33    uint2 v8;
34
35// SPIRV: Offset 160
36// array always starts on a new register.
37    uint v9[2];
38};
39
40//TEST_INPUT:ubuffer(data=[0], stride=4):out,name outputBuffer
41RWStructuredBuffer<int> outputBuffer;
42
43__generic<T : IArithmetic, let N : int>
44bool comp(vector<T,N> v1, vector<T,N> v2)
45{
46    for (uint i = 0; i < N; i++)
47        if (v1[i] != v2[i])
48            return false;
49
50    return true;
51}
52
53[shader("compute")]
54[numthreads(2, 2, 1)]
55void computeMain()
56{
57    // CHECK: 64
58
59    outputBuffer[0] = (true
60            && v0 == 1
61            && comp(v1, float3(2, 3, 4))
62            && comp(v2, uint3(5, 6, 7))
63            && comp(v3, uint2(8, 9))
64            && comp(v4, uint2(10, 11))
65            && v5[0] == 12
66            && v5[1] == 13
67            && v5[2] == 14
68            && v5[3] == 15
69            && comp(v6[0], uint3(16, 17, 18))
70            && comp(v6[1], uint3(19, 20, 21))
71            && v7 == 22
72            && comp(v8, uint2(23, 24))
73            && v9[0] == 25
74            && v9[1] == 26
75        ) ? 100 : 0;
76}