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//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -shaderobj -output-using-type
//TEST(compute):COMPARE_COMPUTE_EX:-cuda -compute -shaderobj -output-using-type
//TEST(compute, vulkan):COMPARE_COMPUTE_EX:-vk -compute -shaderobj -output-using-type
//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name=outputBuffer
RWStructuredBuffer<float> outputBuffer;
struct MixedType : IDifferentiable
{
no_diff float noDiffField;
float field;
}
[BackwardDifferentiable]
float f1(MixedType m)
{
return 2.0 * m.field;
}
[BackwardDifferentiable]
float f(MixedType m)
{
MixedType m1 = { m.noDiffField, m.field };
return f1(m1);
}
[numthreads(1, 1, 1)]
void computeMain(uint3 dispatchThreadID: SV_DispatchThreadID)
{
MixedType v = { 0, 2.0 };
MixedType.Differential dv = { 0.0 };
var p = diffPair(v, dv);
__bwd_diff(f)(p, 1.0);
outputBuffer[0] = p.d.field;
}
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