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
8typedef DifferentialPair<float> dpfloat;
9
10[ForwardDifferentiable]
11void h(float x, float y, out float result)
12{
13    float m = x + y;
14    float n = x - y;
15    result = m * n + 2 * x * y;
16}
17
18
19[numthreads(1, 1, 1)]
20void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
21{
22    float x = 2.0;
23    float y = 3.5;
24    float dx = 1.0;
25    float dy = 0.5;
26
27    dpfloat dresult;
28    __fwd_diff(h)(dpfloat(x, dx), dpfloat(y, dy), dresult);
29
30    outputBuffer[0] = dresult.d; // Expect: 9.5
31
32}