yum-mirror/slang

Making it easier to work with shaders

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

James Helferty (NVIDIA)render-test: Change D3D12 default to sm_6_5 (#8320)f02b08490

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1//TEST_CATEGORY(wave, compute)
2//DISABLE_TEST:COMPARE_COMPUTE_EX:-cpu -compute 
3//DISABLE_TEST:COMPARE_COMPUTE_EX:-slang -compute
4//Disabled on D3D, because in general WaveShuffle requires hardware that doesn't have the 'uniform laneId across Wave' restriction. 
5//DISABLE_TEST:COMPARE_COMPUTE_EX:-slang -compute -dx12 -profile cs_6_0
6// Disabled because vk doesn't currently support matrix types. See wave-shuffle-vk.slang
7//DISABLE_TEST(vulkan):COMPARE_COMPUTE_EX:-vk -compute
8TEST:COMPARE_COMPUTE_EX:-cuda -compute -render-features cuda_sm_7_0
9
10//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name outputBuffer
11RWStructuredBuffer<int> outputBuffer;
12
13[numthreads(4, 1, 1)]
14void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
15{
16    int idx = int(dispatchThreadID.x);
17    
18    int value = 0;
19    
20    // Scalar
21    
22    value += WaveShuffle(idx, (idx + 1) & 3);
23    
24    // vector
25    
26    {
27        float2 v = float2(idx + 1, idx + 2);
28        float2 readValue = WaveShuffle(v, (idx - 1) & 3);
29        
30        value += int(readValue[0] + readValue[1]);
31    }
32        
33    // matrix
34    {
35        matrix<int, 2, 2> v = matrix<int, 2, 2>(idx, idx - 1, idx * 3, idx - 2);
36        
37        matrix<int, 2, 2> readValue = WaveShuffle(v, (idx - 1) & 3);
38        
39        value += int(readValue[0][0] + readValue[0][1] + readValue[1][0] + readValue[1][1]);
40    }
41    
42    outputBuffer[idx] = value;
43}