yum-mirror/slang

Making it easier to work with shaders

git clone https://git.yummers.dev/yum-mirror/slang

ArielG-NV[CBP] Pointer frontend changes + groupshared pointer support (#7848)7758625d3

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1//TEST:SIMPLE(filecheck=CHECK):-stage compute -entry computeMain -target spirv
2
3// Tests for invalid/valid use of `__getAddress`
4
5struct DeviceStruct
6{
7    int data1;
8    int data2;
9}
10
11struct StructPtrInStruct
12{
13    DeviceStruct* ptr;
14}
15
16uniform int* bufferUserPointer;
17RWStructuredBuffer<int> bufferStorage;
18groupshared int bufferGroupShared[100];
19uniform DeviceStruct* bufferUserPointerStruct;
20uniform int2* bufferUserPointerVector;
21
22int* output;
23
24typealias GroupSharedPtr<T> = Ptr<T, Access::ReadWrite, AddressSpace::GroupShared>;
25
26GroupSharedPtr<T> paramGroupShared<T : __BuiltinIntegerType>(out groupshared T[100] ptr)
27{
28    // CHECK: ([[# @LINE+1]]): error 30019
29    T* ptr1 = __getAddress(ptr[5]);
30
31    // CHECK-NOT: ([[# @LINE+1]]): error
32    GroupSharedPtr<T> ptr2 = __getAddress(ptr[5]);
33
34    return ptr2;
35}
36
37[numthreads(1, 1, 1)]
38void computeMain(int id : SV_DispatchThreadID)
39{
40    // CHECK: ([[# @LINE+1]]): error 31160
41    int* ptr1 = __getAddress(bufferStorage[id.x]);
42
43    // CHECK ([[# @LINE+1]]): error
44    int[100]* ptr2 = __getAddress(bufferGroupShared);
45
46    // CHECK: ([[# @LINE+1]]): error
47    int* ptr3 = __getAddress(bufferGroupShared[id.x]);
48
49    // CHECK-NOT: ([[# @LINE+1]]): error
50    int* ptr4 = __getAddress(bufferUserPointer[id.x]);
51
52    // CHECK-NOT: ([[# @LINE+1]]): error
53    GroupSharedPtr<int[100]> ptr5 = __getAddress(bufferGroupShared);
54
55    // CHECK-NOT: ([[# @LINE+1]]): error
56    GroupSharedPtr<int> ptr6 = __getAddress(bufferGroupShared[id.x]);
57
58    // CHECK-NOT: ([[# @LINE+1]]): error
59    GroupSharedPtr<int> ptr7 = paramGroupShared(bufferGroupShared);
60
61    // CHECK-NOT: ([[# @LINE+1]]): error
62    int* ptr8 = __getAddress(bufferUserPointerStruct.data1);
63
64    StructPtrInStruct structPtrInStruct;
65    structPtrInStruct.ptr = bufferUserPointerStruct;
66    // CHECK-NOT: ([[# @LINE+1]]): error
67    int* ptr9 = __getAddress(structPtrInStruct.ptr[id.x].data1);
68
69    // CHECK-NOT: ([[# @LINE+1]]): error
70    int* ptr10 = __getAddress(bufferUserPointerVector[0].x);
71
72    output[id] = ptr1[id];
73    output[id] = ptr2[id][0];
74    output[id] = ptr3[id];
75    output[id] = ptr4[id];
76    output[id] = ptr5[id];
77    output[id] = ptr6[id];
78    output[id] = ptr7[id];
79    output[id] = ptr8[id];
80    output[id] = ptr9[id];
81    output[id] = ptr10[id];
82}