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//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -shaderobj
//TEST(compute,vulkan):COMPARE_COMPUTE_EX:-vk -slang -compute -shaderobj
// Confirm that a generic method marked `[mutating]`
// produces an `inout` parameter for `this`.
interface IGenerator
{
[mutating] int generate();
}
struct SimpleGenerator : IGenerator
{
int state = 0;
[mutating] int generate() { return state++; }
}
struct Reducer
{
int state = 0;
[mutating] void update<S : IGenerator>(inout S g)
{
state = (state << 8) | state;
state = state + g.generate();
}
}
int test(int val)
{
SimpleGenerator g = { 0 };
Reducer r = { val+1 };
r.update(g);
r.update(g);
return r.state;
}
//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out, name outputBuffer
RWStructuredBuffer<int> outputBuffer;
[numthreads(4, 1, 1)]
void computeMain(int3 dispatchThreadID : SV_DispatchThreadID)
{
int tid = dispatchThreadID.x;
int val = test(tid);
outputBuffer[tid] = val;
}
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