dynamic-dispatch-17.slang
// Test using generic interface methods with dynamic dispatch.
//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -vk -output-using-type
//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -dx12 -profile sm_6_0 -use-dxil -output-using-type
//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -dx11 -profile sm_5_0 -output-using-type
interface IReturnsZero
{
float get();
}
[anyValueSize(16)]
interface IInterface
{
float run<Z:IReturnsZero>();
}
struct UserDefinedPackedType
{
float3 val;
uint flags;
};
//TEST_INPUT:ubuffer(data=[0], stride=4):out,name=gOutputBuffer
RWStructuredBuffer<float> gOutputBuffer;
//TEST_INPUT: set gObj = new StructuredBuffer<UserDefinedPackedType>[new UserDefinedPackedType{[1.0, 2.0, 3.0], 3}, new UserDefinedPackedType{[2.0, 3.0, 4.0], 4}];
RWStructuredBuffer<UserDefinedPackedType> gObj;
//TEST_INPUT: type_conformance FloatVal:IInterface = 3
//TEST_INPUT: type_conformance Float4Val:IInterface = 4
[numthreads(1, 1, 1)]
void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
{
float result = 0.0;
for (int i = 0; i < 2; i++)
{
var rawObj = gObj.Load(i);
IInterface dynamicObj = createDynamicObject<IInterface, UserDefinedPackedType>(rawObj.flags, rawObj);
result += dynamicObj.run<ReturnsZero>();
}
gOutputBuffer[0] = result;
}
struct ReturnsZero : IReturnsZero
{
float get() { return 0.0; }
}
struct FloatVal : IInterface
{
float val;
float run<Z:IReturnsZero>()
{
Z z;
return val + z.get();
}
};
struct Float4Struct { float4 val; }
struct Float4Val : IInterface
{
Float4Struct val;
float run<Z:IReturnsZero>()
{
Z z;
return val.val.x + val.val.y + z.get();
}
};