First hlsl port for Scan

Author: kpentaris

include/nbl/builtin/hlsl/binops.hlsl

@@ -0,0 +1,72 @@
+// Copyright (C) 2022 - DevSH Graphics Programming Sp. z O.O.
+// This file is part of the "Nabla Engine".
+// For conditions of distribution and use, see copyright notice in nabla.h
+#ifndef _NBL_BUILTIN_HLSL_MACROS_INCLUDED_
+#define _NBL_BUILTIN_HLSL_MACROS_INCLUDED_
+// TODO (PentaKon): Should this file be renamed to binops.hlsl ?
+// TODO (PentaKon): Should we move isNPoT from algorithm.hlsl to this file ?
+namespace nbl
+{
+namespace hlsl
+{
+// TODO (PentaKon): NBL_GLSL_EVAL? Keep as macro or don't use at all?
+namespace binops
+{
+template<typename T>
+struct and
+{
+    T operator()(const T lhs, const T rhs)
+    {
+        return lhs&rhs;
+    }
+};
+
+template<typename T>
+struct or
+{
+    T operator()(const T lhs, const T rhs)
+    {
+        return lhs|rhs;
+    }
+};
+
+template<typename T>
+struct xor
+{
+    T operator()(const T lhs, const T rhs)
+    {
+        return lhs^rhs;
+    }
+};
+
+template<typename T>
+struct mul
+{
+    T operator()(const T lhs, const T rhs)
+    {
+        return lhs*rhs;
+    }
+};
+
+template<typename T>
+struct min
+{
+    T operator()(const T lhs, const T rhs)
+    {
+        return lhs>rhs ? rhs : lhs;
+    }
+};
+
+template<typename T>
+struct max
+{
+    T operator()(const T lhs, const T rhs)
+    {
+        return lhs>rhs ? lhs : rhs;
+    }
+};
+
+}
+}
+}
+#endif