user-defined-initializer.slang
// user-defined-initializer.slang
// Confirm that user-defined initializer/constructor
// methods in a type work as expected.
//TEST(compute):COMPARE_COMPUTE: -shaderobj
//TEST(compute):COMPARE_COMPUTE:-cpu -shaderobj
struct Pair
{
int head;
int tail;
__init(int h, int t)
{
head = h;
tail = t;
}
int getHead() { return head; }
int getTail() { return tail; }
}
int test(int value)
{
Pair p = Pair(value, value+1);
return p.getHead()*16 + p.getTail();
}
//TEST_INPUT:ubuffer(data=[0 1 2 3], stride=4):out,name=outputBuffer
RWStructuredBuffer<int> outputBuffer : register(u0);
[numthreads(4, 1, 1)]
void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
{
uint tid = dispatchThreadID.x;
int inVal = outputBuffer[tid];
int outVal = test(inVal);
outputBuffer[tid] = outVal;
}