dynamic-dispatch-16.slang

// Test packing a user provided value and typeID into an existential value.

//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

[anyValueSize(16)]
interface IInterface
{
    float run();
}

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();
    }
    gOutputBuffer[0] = result;
}

struct FloatVal : IInterface
{
    float val;
    float run()
    {
        return val;
    }
};
interface ISomething{void g();}
struct Float4Struct : ISomething { float4 val; void g() {} }
struct Float4Val : IInterface
{
    Float4Struct val;
    float run()
    {
        return val.val.x + val.val.y;
    }
};