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// paren-insertion-bug.slang
// Confirm that precedence is correctly handled
// for cast from scalar to vector.
//TEST(compute):COMPARE_COMPUTE: -shaderobj
int test(float a)
{
// This line performs a cast from a scalar result to a vector
float3 b = pow(a, 2.0);
// If the computation of `b` above gets folded into this
// line of code (and we expect it to) we need to correctly
// parenthesize the generated cast so that the `.xyz` swizzle
// applies to the result of the cast, rather than the input.
//
return int(float4(b.xyz * 2.0, 1.0).x);
}
//TEST_INPUT: ubuffer(data=[0 0 0 0], stride=4):out,name outputBuffer
RWStructuredBuffer<uint> outputBuffer;
[numthreads(4, 1, 1)]
void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
{
uint tid = dispatchThreadID.x;
uint inVal = tid;
uint outVal = test(inVal);
outputBuffer[tid] = outVal;
}
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