1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
// Test calling differentiable function through dynamic dispatch.
//DISABLE_TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -shaderobj -output-using-type
//DISABLE_TEST(compute, vulkan):COMPARE_COMPUTE_EX:-vk -compute -shaderobj -output-using-type
//TEST_INPUT:ubuffer(data=[0 0 0 0 0], stride=4):out,name=outputBuffer
RWStructuredBuffer<float> outputBuffer;
[anyValueSize(16)]
interface IInterface : IDifferentiable
{
[Differentiable]
float calc(float x);
}
struct A : IInterface
{
int data1;
__init(int data1) { this.data1 = data1; }
[Differentiable]
float calc(float x) { return x * x * x * data1; }
};
struct B : IInterface
{
int data1;
int data2;
__init(int data1, int data2) { this.data1 = data1; this.data2 = data2; }
[Differentiable]
float calc(float x) { return x * x * data1 * data2; }
};
[Differentiable]
float doThing(IInterface obj, IInterface obj2, float x)
{
return obj.calc(x);
}
//TEST_INPUT: type_conformance A:IInterface = 0
//TEST_INPUT: type_conformance B:IInterface = 1
[numthreads(1, 1, 1)]
void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
{
{
IInterface obj;
if (dispatchThreadID.x == 0)
obj = A(2);
else
obj = B(2, 3);
IInterface obj2 = A(3);
var dpx = diffPair(1.0);
DifferentialPair<IInterface> dpobj = diffPair<IInterface>(obj);
DifferentialPair<IInterface> dpobj2 = diffPair<IInterface>(obj2);
bwd_diff(doThing)(dpobj, dpobj2, dpx, 2.0); // A.calc, expect 12
IDifferentiable objd = dpobj.d;
outputBuffer[0] = (isNullDifferential((objd)) ? 1.f : 0.f);
}
}
|
