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, vulkan):COMPARE_COMPUTE_EX:-vk -compute -shaderobj -output-using-type
3//TEST(compute):COMPARE_COMPUTE_EX:-cuda -compute -shaderobj -output-using-type
4
5//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name=outputBuffer
6RWStructuredBuffer<float> outputBuffer;
7
8[ForwardDifferentiable]
9float mySqr(float x)
10{
11    return x * x;
12}
13
14[ForwardDifferentiable]
15float f(float x)
16{
17    return mySqr(x * x);
18}
19
20[ForwardDifferentiable]
21float df(float x)
22{
23    return __fwd_diff(f)(DifferentialPair<float>(x, 1.0)).d;
24}
25
26[numthreads(1, 1, 1)]
27void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
28{
29    // Given f(x) = x^4,
30    // f''(x) = 12 * x^2
31    // Expect f''(4) = 192
32    outputBuffer[0] = __fwd_diff(df)(DifferentialPair<float>(4.0, 1.0)).d;
33}