================
@@ -101,6 +101,16 @@ constexpr vector<T, N> smoothstep_vec_impl(vector<T, N>
Min, vector<T, N> Max,
#endif
}
+template <typename T> constexpr vector<T, 4> lit_impl(T NDotL, T NDotH, T M) {
+ bool DiffuseCond = NDotL < 0;
+ T Diffuse = select<T>(DiffuseCond, 0, NDotL);
+ vector<T, 4> Result = {1, Diffuse, 0, 1};
+ bool SpecularCond = or (DiffuseCond, (NDotH < 0));
----------------
Icohedron wrote:
```suggestion
bool SpecularCond = or(DiffuseCond, (NDotH < 0));
```
clang-format adds an undesirable space here. This will eventually be fixed but
you should remove it manually for now.
https://github.com/llvm/llvm-project/pull/134171
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