tests/metal/texture-store-vector.slang


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//TEST:SIMPLE(filecheck=CHECK): -target metal

// Test that we can compile texture store operations with 2-component vectors
// without segfaulting. This reproduces the issue where legalizeImageStoreValue
// would crash when trying to expand a float2 to float4 for Metal texture writes.

RWTexture2D<float2> output;

[shader("compute")]
[numthreads(32, 32, 1)]
void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
{
    // This should expand float2(1,2) to float4(1,2,0,0)
    // CHECK: {{.*}}float4(1.0, 2.0,
    output.Store(dispatchThreadID.xy, float2(1, 2));
}