yum-mirror/slang

Making it easier to work with shaders

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

Julius IkkalaAllow 1D SV_DispatchThreadID in CPU targets (#8612)1e4265edd

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1//TEST(compute):COMPARE_COMPUTE_EX(filecheck-buffer=CHECK): -dx11 -compute
2//TEST(compute):COMPARE_COMPUTE_EX(filecheck-buffer=CHECK): -dx12 -compute
3//TEST(compute):COMPARE_COMPUTE_EX(filecheck-buffer=CHECK): -cpu -compute
4//TEST(compute):COMPARE_COMPUTE_EX(filecheck-buffer=CHECK): -cuda -compute
5//TEST(compute):COMPARE_COMPUTE_EX(filecheck-buffer=CHECK): -wgsl -compute
6//DISABLE_TEST(compute):COMPARE_COMPUTE_EX(filecheck-buffer=CHECK): -mtl -compute
7//TEST(compute,vulkan):COMPARE_COMPUTE_EX(filecheck-buffer=CHECK): -vk -compute
8
9// Slang allows the type of system value semantics to differ from their
10// "canonical" type - e.g. `uint8_t tid : SV_DispatchThreadID` is technically
11// valid and refers to the first element in the underlying uint3 vector.
12
13// TEST_INPUT: ubuffer(data=[0 0 0 0 0 0 0 0], stride=4):out,name=outputBuffer
14RWStructuredBuffer<int> outputBuffer;
15
16[numthreads(2, 4, 1)]
17void computeMain(
18    uint ind : SV_GroupIndex,
19    vector<uint, 2> tid: SV_DispatchThreadID,
20    int localTid : SV_GroupThreadID
21){
22    // CHECK: 0
23    // CHECK-NEXT: 5
24    // CHECK-NEXT: 8
25    // CHECK-NEXT: D
26    // CHECK-NEXT: 10
27    // CHECK-NEXT: 15
28    // CHECK-NEXT: 18
29    // CHECK-NEXT: 1D
30    outputBuffer[ind] = 4 * (tid.x + 2 * tid.y) + localTid;
31}