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-mask, compute)
2//DISABLE_TEST:COMPARE_COMPUTE_EX:-cpu -compute -shaderobj
3//DISABLE_TEST:COMPARE_COMPUTE_EX:-slang -compute -shaderobj
4//TEST:COMPARE_COMPUTE_EX:-slang -compute -dx12 -profile cs_6_5 -shaderobj
5//TEST(vulkan):COMPARE_COMPUTE_EX:-vk -compute -shaderobj
6//TEST:COMPARE_COMPUTE_EX:-cuda -compute -shaderobj
7
8//TEST_INPUT:ubuffer(data=[0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0], stride=4):out,name outputBuffer
9RWStructuredBuffer<int> outputBuffer;
10
11[numthreads(8, 1, 1)]
12void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
13{
14    const int idx = int(dispatchThreadID.x);
15    const WaveMask mask0 = 0xff; 
16    
17    const WaveMask mask1 = WaveMaskBallot(mask0, idx < 3);
18     
19    if (idx < 3)
20    {
21        // Diverge!!
22        outputBuffer[idx] = -1;
23        return;
24    }
25    
26    const WaveMask mask2 = mask0 & ~mask1;
27        
28    outputBuffer[idx] = WaveMaskProduct(mask2, idx);
29}