yum-mirror/slang

Making it easier to work with shaders

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

Harsh Aggarwal (NVIDIA)Fix 7723 - Add autodiff tests (#7919)d10732742

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1//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -shaderobj -output-using-type
2//TEST(compute):COMPARE_COMPUTE_EX:-cuda -compute -shaderobj -output-using-type
3//TEST(compute, vulkan):COMPARE_COMPUTE_EX:-vk -compute -shaderobj -output-using-type
4
5//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name=outputBuffer
6RWStructuredBuffer<float> outputBuffer;
7
8typedef DifferentialPair<float> dpfloat;
9
10struct A : IDifferentiable
11{
12    float x;
13    no_diff float y;
14}
15
16[BackwardDifferentiable]
17float f(A obj)
18{
19    return obj.y * obj.x * obj.x + obj.y * obj.y;
20}
21
22[numthreads(1, 1, 1)]
23void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
24{
25    A a = {2.0, 3.0};
26    var p = diffPair(a);
27    let rs = __bwd_diff(f)(p, 1.0);
28    outputBuffer[0] = p.d.x;
29}