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//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -shaderobj -output-using-type
//TEST(compute, vulkan):COMPARE_COMPUTE_EX:-vk -compute -shaderobj -output-using-type
//TEST(compute):COMPARE_COMPUTE_EX:-cpu -compute -output-using-type -shaderobj
//TEST_INPUT:ubuffer(data=[0 0 0 0 0], stride=4):out,name=outputBuffer
RWStructuredBuffer<float> outputBuffer;
// Test that struct types made up of differentiable members who are self-differential (i.e. their Differential type is the same as their type)
// are considered self-differential as well. We should be able to assign T.Differential = T and T = T.Differential without errors.
// 1
struct Ray : IDifferentiable {
float a;
float3 dir, o;
}
[numthreads(1, 1, 1)]
void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
{
Ray ray = {};
Ray.Differential ray2;
ray.a = 1.f;
ray.o = float3(3.f, 4.f, 2.5f);
ray2 = ray;
float t = 0.f;
float.Differential dt = 0.f;
t = dt;
outputBuffer[0] = t;
outputBuffer[1] = ray2.o.y;
outputBuffer[2] = Ray.dadd(ray2, ray2).a;
}
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