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//TEST(compute):COMPARE_COMPUTE(filecheck-buffer=CHECK): -shaderobj
//TEST(compute):COMPARE_COMPUTE(filecheck-buffer=CHECK): -vk -shaderobj
//TEST(compute):COMPARE_COMPUTE(filecheck-buffer=CHECK): -cpu -shaderobj
//TEST_INPUT:ubuffer(data=[0 0 0 0 0 0 0 0], stride=4):out,name=outputBuffer
RWStructuredBuffer<int> outputBuffer;
interface IThing
{
[mutating]
int thing(int index);
}
struct MyThing: IThing
{
int val;
[mutating]
int thing(int index)
{
val++;
outputBuffer[index] = val;
return val;
}
}
struct NotMyThing
{
int val;
}
void f<T>(inout T t, int index) where optional T: IThing
{
if (T is IThing)
{
outputBuffer[index+1] = 2 * t.thing(index);
}
else
{
outputBuffer[index] = 0;
outputBuffer[index+1] = 0;
}
}
[numthreads(1, 1, 1)]
void computeMain(int3 dispatchThreadID: SV_DispatchThreadID)
{
MyThing mt = MyThing(0);
NotMyThing nt = NotMyThing(1);
// CHECK: 1
// CHECK-NEXT: 2
f<MyThing>(mt, 0);
// CHECK-NEXT: 0
// CHECK-NEXT: 0
f<NotMyThing>(nt, 2);
// CHECK: 2
// CHECK-NEXT: 4
f(mt, 4);
// CHECK-NEXT: 0
// CHECK-NEXT: 0
f(nt, 6);
}
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