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// assoctype-nested.slang
// Confirm that an associated type can be declared nested in its parent.
//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -cpu -shaderobj
//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -shaderobj
//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -dx12 -shaderobj
//TEST(compute, vulkan):COMPARE_COMPUTE_EX:-vk -compute -shaderobj
interface IRandomGenerator
{
[mutating] int generateVal();
}
interface IRandomStrategy
{
associatedtype Generator : IRandomGenerator;
Generator makeGenerator(int seed);
}
int helper<T:IRandomStrategy>(T strategy, int seed)
{
var generator = strategy.makeGenerator(seed);
let val = generator.generateVal();
return val;
}
struct CounterStrategy : IRandomStrategy
{
struct Generator : IRandomGenerator
{
int state;
[mutating] int generateVal()
{
return state++;
}
}
Generator makeGenerator(int seed)
{
Generator generator = { seed };
return generator;
}
}
int test(int val)
{
CounterStrategy strategy;
return helper(strategy, val);
}
//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name=gOutputBuffer
RWStructuredBuffer<int> gOutputBuffer;
[numthreads(4, 1, 1)]
void computeMain(int3 dispatchThreadID : SV_DispatchThreadID)
{
int tid = dispatchThreadID.x;
int inputVal = tid;
int outputVal = test(inputVal);
gOutputBuffer[tid] = outputVal;
}
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