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, vulkan):COMPARE_COMPUTE_EX:-vk -compute -shaderobj -output-using-type
2//TEST(compute):COMPARE_COMPUTE_EX:-slang -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 0 0 0 0 0 0 0 0], stride=4):out,name=outputBuffer
6RWStructuredBuffer<float> outputBuffer;
7
8[BackwardDifferentiable]
9float3 crossImpl(float3 x, float3 y)
10{
11    return float3(x.y * y.z - y.y * x.z,
12                  x.z * y.x - y.z * x.x,
13                  x.x * y.y - y.x * x.y);
14}
15
16[numthreads(1, 1, 1)]
17void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
18{
19    {
20        let x = float3(-0.51, 0.74, 0.86);
21        let y = float3(1.43, -0.92, 4.36);
22        let dOut = float3(3.41, 6.55, 2.39);
23        var dpx = diffPair(x);
24        var dpy = diffPair(y);
25        __bwd_diff(cross)(dpx, dpy, dOut);
26        outputBuffer[0] = dpx.d[0]; 
27        outputBuffer[1] = dpx.d[1]; 
28        outputBuffer[2] = dpx.d[2]; 
29        outputBuffer[3] = dpy.d[0]; 
30        outputBuffer[4] = dpy.d[1]; 
31        outputBuffer[5] = dpy.d[2]; 
32
33        __bwd_diff(crossImpl)(dpx, dpy, dOut);
34        outputBuffer[6] = dpx.d[0];
35        outputBuffer[7] = dpx.d[1];
36        outputBuffer[8] = dpx.d[2];
37        outputBuffer[9] = dpy.d[0];
38        outputBuffer[10] = dpy.d[1];
39        outputBuffer[11] = dpy.d[2];
40    }
41}