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// Test calling differentiable function through dynamic dispatch.
//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -shaderobj -output-using-type
//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 IFoo
{
float foo();
}
[anyValueSize(16)]
interface INestedInterface
{
associatedtype NestedAssocType : IFoo;
}
[anyValueSize(16)]
interface IInterface
{
associatedtype MyAssocType : INestedInterface;
MyAssocType.NestedAssocType calc(float x);
}
// ================================
struct A_Assoc_Assoc : IFoo
{
float a;
float foo()
{
return a;
}
}
struct A_Assoc : INestedInterface
{
typedef A_Assoc_Assoc NestedAssocType;
}
struct A : IInterface
{
typedef A_Assoc MyAssocType
int data1;
__init(int data1) { this.data1 = data1; }
A_Assoc_Assoc calc(float x) { return { x * x * x * data1 }; }
};
// ================================
struct B_Assoc_Assoc : IFoo
{
float b;
float foo()
{
return b;
}
}
struct B_Assoc : INestedInterface
{
typedef B_Assoc_Assoc NestedAssocType;
}
struct B : IInterface
{
typedef B_Assoc MyAssocType
int data1;
int data2;
__init(int data1, int data2) { this.data1 = data1; this.data2 = data2; }
B_Assoc_Assoc calc(float x) { return { x * x * data1 * data2 }; }
};
// ================================
float doThing(IInterface obj, float x)
{
let o = obj.calc(x);
return o.foo();
}
float f(uint id, float x)
{
IInterface obj;
switch (id)
{
case 0:
obj = A(2);
break;
default:
obj = B(2, 3);
}
return doThing(obj, 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)
{
outputBuffer[0] = f(dispatchThreadID.x, 1.0); // A.calc, expect 2
outputBuffer[1] = f(dispatchThreadID.x + 1, 1.5); // B.calc, expect 13.5
}
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