hlsl type_traits

include/nbl/builtin/hlsl/cpp_compat/matrix.hlsl

@@ -3,7 +3,6 @@
 
 #include <nbl/builtin/hlsl/cpp_compat/vector.hlsl>
 
-
 #ifndef __HLSL_VERSION
 namespace nbl::hlsl
 {
@@ -58,57 +57,26 @@ struct matrix final : private glm::mat<N,M,T>
 };
 
 
-using bool4x4 = matrix<bool, 4, 4>;
-using bool4x3 = matrix<bool, 4, 3>;
-using bool4x2 = matrix<bool, 4, 2>;
-using bool3x4 = matrix<bool, 3, 4>;
-using bool3x3 = matrix<bool, 3, 3>;
-using bool3x2 = matrix<bool, 3, 2>;
-using bool2x4 = matrix<bool, 2, 4>;
-using bool2x3 = matrix<bool, 2, 3>;
-using bool2x2 = matrix<bool, 2, 2>;
-
-using int32_t4x4 = matrix<int32_t, 4, 4>;
-using int32_t4x3 = matrix<int32_t, 4, 3>;
-using int32_t4x2 = matrix<int32_t, 4, 2>;
-using int32_t3x4 = matrix<int32_t, 3, 4>;
-using int32_t3x3 = matrix<int32_t, 3, 3>;
-using int32_t3x2 = matrix<int32_t, 3, 2>;
-using int32_t2x4 = matrix<int32_t, 2, 4>;
-using int32_t2x3 = matrix<int32_t, 2, 3>;
-using int32_t2x2 = matrix<int32_t, 2, 2>;
+#define NBL_TYPEDEF_MATRICIES_FOR_ROW(T, R) \
+using T ## R ## x4 = matrix<T, R, 4>; \
+using T ## R ## x3 = matrix<T, R, 3>; \
+using T ## R ## x2 = matrix<T, R, 2>; 
 
-using uint32_t4x4 = matrix<uint32_t, 4, 4>;
-using uint32_t4x3 = matrix<uint32_t, 4, 3>;
-using uint32_t4x2 = matrix<uint32_t, 4, 2>;
-using uint32_t3x4 = matrix<uint32_t, 3, 4>;
-using uint32_t3x3 = matrix<uint32_t, 3, 3>;
-using uint32_t3x2 = matrix<uint32_t, 3, 2>;
-using uint32_t2x4 = matrix<uint32_t, 2, 4>;
-using uint32_t2x3 = matrix<uint32_t, 2, 3>;
-using uint32_t2x2 = matrix<uint32_t, 2, 2>;
+#define NBL_TYPEDEF_MATRICIES_FOR_SCALAR(T) \
+    NBL_TYPEDEF_MATRICIES_FOR_ROW(T, 4) \
+    NBL_TYPEDEF_MATRICIES_FOR_ROW(T, 3) \
+    NBL_TYPEDEF_MATRICIES_FOR_ROW(T, 2)
 
+NBL_TYPEDEF_MATRICIES_FOR_SCALAR(bool);
+NBL_TYPEDEF_MATRICIES_FOR_SCALAR(int16_t);
+NBL_TYPEDEF_MATRICIES_FOR_SCALAR(int32_t);
+NBL_TYPEDEF_MATRICIES_FOR_SCALAR(int64_t);
+NBL_TYPEDEF_MATRICIES_FOR_SCALAR(uint16_t);
+NBL_TYPEDEF_MATRICIES_FOR_SCALAR(uint32_t);
+NBL_TYPEDEF_MATRICIES_FOR_SCALAR(uint64_t);
 // TODO: halfMxN with std::float16_t
-
-using float32_t4x4 = matrix<float, 4, 4>;
-using float32_t4x3 = matrix<float, 4, 3>;
-using float32_t4x2 = matrix<float, 4, 2>;
-using float32_t3x4 = matrix<float, 3, 4>;
-using float32_t3x3 = matrix<float, 3, 3>;
-using float32_t3x2 = matrix<float, 3, 2>;
-using float32_t2x4 = matrix<float, 2, 4>;
-using float32_t2x3 = matrix<float, 2, 3>;
-using float32_t2x2 = matrix<float, 2, 2>;
-
-using float64_t4x4 = matrix<float64_t, 4, 4>;
-using float64_t4x3 = matrix<float64_t, 4, 3>;
-using float64_t4x2 = matrix<float64_t, 4, 2>;
-using float64_t3x4 = matrix<float64_t, 3, 4>;
-using float64_t3x3 = matrix<float64_t, 3, 3>;
-using float64_t3x2 = matrix<float64_t, 3, 2>;
-using float64_t2x4 = matrix<float64_t, 2, 4>;
-using float64_t2x3 = matrix<float64_t, 2, 3>;
-using float64_t2x2 = matrix<float64_t, 2, 2>;
+NBL_TYPEDEF_MATRICIES_FOR_SCALAR(float32_t);
+NBL_TYPEDEF_MATRICIES_FOR_SCALAR(float64_t);
 
 }
 #endif

include/nbl/builtin/hlsl/macros.h

@@ -0,0 +1,150 @@
+// 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_
+
+
+// basics
+#define NBL_EVAL(...) __VA_ARGS__
+#define NBL_CONCAT_IMPL2(X,Y) X ## Y
+#define NBL_CONCAT_IMPL(X,Y) NBL_CONCAT_IMPL2(X,Y)
+#define NBL_CONCATENATE(X,Y) NBL_CONCAT_IMPL(NBL_EVAL(X) , NBL_EVAL(Y))
+
+// variadics
+
+//
+#define NBL_ARG_125(a0,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11,a12,a13,a14,a15,a16,a17,a18,a19,a20,a21,a22,a23,a24,a25,a26,a27,a28,a29,a30,a31,a32,a33,a34,a35,a36,a37,a38,a39,a40,a41,a42,a43,a44,a45,a46,a47,a48,a49,a50,a51,a52,a53,a54,a55,a56,a57,a58,a59,a60,a61,a62,a63,a64,a65,a66,a67,a68,a69,a70,a71,a72,a73,a74,a75,a76,a77,a78,a79,a80,a81,a82,a83,a84,a85,a86,a87,a88,a89,a90,a91,a92,a93,a94,a95,a96,a97,a98,a99,a100,a101,a102,a103,a104,a105,a106,a107,a108,a109,a110,a111,a112,a113,a114,a115,a116,a117,a118,a119,a120,a121,a122,a123,a124,a125, ... ) a125
+#define NBL_VA_ARGS_COUNT( ... ) NBL_EVAL(NBL_ARG_125(__VA_ARGS__,125,124,123,122,121,120,119,118,117,116,115,114,113,112,111,110,109,108,107,106,105,104,103,102,101,100,99,98,97,96,95,94,93,92,91,90,89,88,87,86,85,84,83,82,81,80,79,78,77,76,75,74,73,72,71,70,69,68,67,66,65,64,63,62,61,60,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0))
+
+//
+#define NBL_FOREACH_0(WHAT)
+#define NBL_FOREACH_1(WHAT, X) NBL_EVAL(WHAT(X))
+#define NBL_FOREACH_2(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_1(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_3(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_2(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_4(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_3(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_5(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_4(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_6(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_5(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_7(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_6(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_8(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_7(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_9(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_8(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_10(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_9(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_11(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_10(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_12(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_11(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_13(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_12(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_14(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_13(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_15(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_14(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_16(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_15(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_17(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_16(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_18(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_17(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_19(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_18(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_20(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_19(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_21(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_20(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_22(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_21(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_23(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_22(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_24(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_23(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_25(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_24(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_26(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_25(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_27(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_26(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_28(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_27(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_29(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_28(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_30(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_29(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_31(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_30(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_32(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_31(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_33(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_32(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_34(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_33(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_35(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_34(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_36(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_35(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_37(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_36(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_38(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_37(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_39(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_38(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_40(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_39(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_41(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_40(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_42(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_41(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_43(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_42(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_44(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_43(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_45(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_44(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_46(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_45(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_47(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_46(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_48(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_47(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_49(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_48(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_50(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_49(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_51(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_50(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_52(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_51(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_53(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_52(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_54(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_53(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_55(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_54(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_56(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_55(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_57(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_56(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_58(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_57(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_59(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_58(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_60(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_59(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_61(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_60(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_62(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_61(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_63(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_62(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_64(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_63(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_65(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_64(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_66(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_65(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_67(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_66(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_68(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_67(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_69(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_68(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_70(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_69(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_71(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_70(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_72(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_71(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_73(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_72(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_74(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_73(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_75(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_74(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_76(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_75(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_77(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_76(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_78(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_77(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_79(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_78(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_80(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_79(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_81(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_80(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_82(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_81(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_83(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_82(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_84(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_83(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_85(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_84(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_86(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_85(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_87(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_86(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_88(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_87(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_89(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_88(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_90(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_89(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_91(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_90(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_92(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_91(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_93(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_92(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_94(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_93(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_95(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_94(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_96(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_95(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_97(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_96(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_98(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_97(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_99(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_98(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_100(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_99(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_101(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_100(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_102(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_101(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_103(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_102(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_104(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_103(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_105(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_104(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_106(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_105(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_107(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_106(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_108(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_107(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_109(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_108(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_110(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_109(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_111(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_110(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_112(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_111(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_113(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_112(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_114(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_113(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_115(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_114(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_116(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_115(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_117(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_116(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_118(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_117(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_119(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_118(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_120(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_119(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_121(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_120(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_122(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_121(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_123(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_122(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_124(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_123(WHAT, __VA_ARGS__))
+#define NBL_FOREACH_125(WHAT, X, ...) NBL_EVAL(WHAT(X)NBL_FOREACH_124(WHAT, __VA_ARGS__))
+
+#define NBL_FOREACH(WHAT, ... ) NBL_EVAL(NBL_CONCATENATE(NBL_FOREACH_,NBL_VA_ARGS_COUNT(__VA_ARGS__))(WHAT, __VA_ARGS__))
+
+#endif

include/nbl/builtin/hlsl/mpl.hlsl

@@ -0,0 +1,64 @@
+// 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_MPL_INCLUDED_
+#define _NBL_BUILTIN_HLSL_MPL_INCLUDED_
+
+#ifdef __HLSL_VERSION
+#include <nbl/builtin/hlsl/type_traits.hlsl>
+#endif
+
+namespace nbl
+{
+namespace hlsl
+{
+namespace mpl
+{
+
+#ifdef __HLSL_VERSION
+namespace impl
+{
+
+template<uint16_t bits_log2>
+struct clz_masks
+{
+    static const uint16_t SHIFT = uint16_t(1)<<(bits_log2-1);
+    static const uint64_t LO_MASK = (1ull<<SHIFT)-1;
+};
+
+template<>
+struct clz_masks<0>
+{
+    static const uint16_t SHIFT = 0;
+    static const uint64_t LO_MASK = 0;
+};
+
+template<uint64_t N, uint16_t bits_log2>
+struct clz
+{
+    static const bool CHOOSE_HIGH = N&(clz_masks<bits_log2>::LO_MASK<<clz_masks<bits_log2>::SHIFT);
+    static const uint64_t NEXT_N = (CHOOSE_HIGH ? (N>>clz_masks<bits_log2>::SHIFT):N)&clz_masks<bits_log2>::LO_MASK;
+    static const uint16_t value   = type_traits::conditional<bits_log2,clz<NEXT_N,bits_log2-1>,type_traits::integral_constant<uint16_t,0> >::type::value + (CHOOSE_HIGH ? 0ull:clz_masks<bits_log2>::SHIFT);
+};
+
+}
+
+template<uint64_t N>
+struct clz
+{
+    static const uint16_t value = impl::clz<N, 6>::value;
+};
+
+template<uint64_t X>
+struct log2
+{
+    static const uint16_t value = X ? (1ull<<6)-clz<X>::value-1 : -1ull;
+};
+
+#endif
+
+}
+}
+}
+
+#endif