Refactored GLM_FORCE_MESSAGES, added swizzle operators and functions tests

glm/detail/setup.hpp

@@ -360,6 +360,10 @@
 		((GLM_COMPILER & GLM_COMPILER_VC) && (GLM_COMPILER >= GLM_COMPILER_VC14) && (GLM_ARCH & GLM_ARCH_X86_BIT))))
 #endif
 
+///////////////////////////////////////////////////////////////////////////////////
+
+#define GLM_HAS_ANONYMOUS_STRUCT (GLM_LANG & GLM_LANG_CXXMS_FLAG)
+
 ///////////////////////////////////////////////////////////////////////////////////
 // OpenMP
 #ifdef _OPENMP
@@ -465,8 +469,13 @@
 
 // User defines: GLM_FORCE_SWIZZLE
 
-#if defined(GLM_FORCE_SWIZZLE)
-#	define GLM_SWIZZLE GLM_ENABLE
+#define GLM_SWIZZLE_OPERATOR 1
+#define GLM_SWIZZLE_FUNCTION 2
+
+#if defined(GLM_FORCE_SWIZZLE) && GLM_HAS_ANONYMOUS_STRUCT
+#	define GLM_SWIZZLE GLM_SWIZZLE_OPERATOR
+#elif defined(GLM_FORCE_SWIZZLE)
+#	define GLM_SWIZZLE GLM_SWIZZLE_FUNCTION
 #else
 #	define GLM_SWIZZLE GLM_DISABLE
 #endif
@@ -477,9 +486,9 @@
 // #define GLM_FORCE_UNRESTRICTED_GENTYPE
 
 #ifdef GLM_FORCE_UNRESTRICTED_GENTYPE
-#	define GLM_UNRESTRICTED_GENTYPE 1
+#	define GLM_UNRESTRICTED_GENTYPE GLM_ENABLE
 #else
-#	define GLM_UNRESTRICTED_GENTYPE 0
+#	define GLM_UNRESTRICTED_GENTYPE GLM_DISABLE
 #endif
 
 ///////////////////////////////////////////////////////////////////////////////////
@@ -581,10 +590,6 @@
 #	define GLM_EXPLICIT
 #endif
 
-///////////////////////////////////////////////////////////////////////////////////
-
-#define GLM_HAS_ANONYMOUS_STRUCT (GLM_LANG & GLM_LANG_CXXMS_FLAG)
-
 ///////////////////////////////////////////////////////////////////////////////////
 // Length type: all length functions returns a length_t type.
 // When GLM_FORCE_SIZE_T_LENGTH is defined, length_t is a typedef of size_t otherwise
@@ -802,37 +807,41 @@ namespace glm
 #	endif
 
 	// Report swizzle operator support
-#	if GLM_SWIZZLE == GLM_ENABLE
-#		pragma message("GLM: Swizzling operators enabled")
+#	if GLM_SWIZZLE == GLM_SWIZZLE_OPERATOR
+#		pragma message("GLM: GLM_FORCE_SWIZZLE is defined, swizzling operators enabled")
+#	elif GLM_SWIZZLE == GLM_SWIZZLE_FUNCTION
+#		pragma message("GLM: GLM_FORCE_SWIZZLE is defined, swizzling functions enabled. Enable compiler C++ language extensions to enable swizzle operators.")
 #	else
-#		pragma message("GLM: Swizzling operators disabled, #define GLM_FORCE_SWIZZLE to enable swizzle operators")
+#		pragma message("GLM: GLM_FORCE_SWIZZLE is undefined. swizzling functions or operators are disabled.")
 #	endif
 
 	// Report .length() type
 #	if defined GLM_FORCE_SIZE_T_LENGTH
-#		pragma message("GLM: .length() returns glm::length_t, a typedef of std::size_t")
+#		pragma message("GLM: GLM_FORCE_SIZE_T_LENGTH is defined. .length() returns a glm::length_t, a typedef of std::size_t instead of int.")
 #	else
-#		pragma message("GLM: .length() returns glm::length_t, a typedef of int following the GLSL specification")
+#		pragma message("GLM: GLM_FORCE_SIZE_T_LENGTH is undefined. .length() returns a glm::length_t, a typedef of int following the GLSL specification. Define GLM_FORCE_SIZE_T_LENGTH to make glm::length_t, a typedef of std::size_t.")
 #	endif
 
 #	ifdef GLM_FORCE_UNRESTRICTED_GENTYPE
-#		pragma message("GLM: Use unrestricted genType")
+#		pragma message("GLM: GLM_FORCE_UNRESTRICTED_GENTYPE is defined. Removes GLSL specification restrictions on valid function genTypes.")
+#	else
+#		pragma message("GLM: GLM_FORCE_UNRESTRICTED_GENTYPE is undefined. Follows strictly GLSL specification on valid function genTypes.")
 #	endif
 
 #	ifdef GLM_FORCE_SINGLE_ONLY
-#		pragma message("GLM: Using only single precision floating-point types")
+#		pragma message("GLM: GLM_FORCE_SINGLE_ONLY is defined. Using only single precision floating-point types")
 #	endif
 
 #	if GLM_DEPTH_CLIP_SPACE == GLM_DEPTH_ZERO_TO_ONE
-#		pragma message("GLM: Depth clip space: Zero to one")
+#		pragma message("GLM: GLM_FORCE_DEPTH_ZERO_TO_ONE is defined. Using zero to one depth clip space.")
 #	else
-#		pragma message("GLM: Depth clip space: negative one to one")
+#		pragma message("GLM: GLM_FORCE_DEPTH_ZERO_TO_ONE is undefined. Using negative one to one depth clip space.")
 #	endif
 
 #	if GLM_COORDINATE_SYSTEM == GLM_LEFT_HANDED
-#		pragma message("GLM: Coordinate system: left handed")
+#		pragma message("GLM: GLM_FORCE_LEFT_HANDED is defined. Using left handed coordinate system.")
 #	else
-#		pragma message("GLM: Coordinate system: right handed")
+#		pragma message("GLM: GLM_FORCE_LEFT_HANDED is undefined. Using right handed coordinate system.")
 #	endif
 #endif//GLM_MESSAGES
 

glm/detail/type_vec2.hpp

@@ -4,13 +4,11 @@
 #pragma once
 
 #include "type_vec.hpp"
-#if GLM_SWIZZLE == GLM_ENABLE
-#	if GLM_HAS_ANONYMOUS_STRUCT
-#		include "_swizzle.hpp"
-#	else
-#		include "_swizzle_func.hpp"
-#	endif
-#endif //GLM_SWIZZLE
+#if GLM_SWIZZLE == GLM_SWIZZLE_OPERATOR
+#	include "_swizzle.hpp"
+#elif GLM_SWIZZLE == GLM_SWIZZLE_FUNCTION
+#	include "_swizzle_func.hpp"
+#endif
 #include <cstddef>
 
 namespace glm
@@ -35,7 +33,7 @@ namespace glm
 
 				typename detail::storage<2, T, detail::is_aligned<Q>::value>::type data;
 
-#				if GLM_SWIZZLE == GLM_ENABLE
+#				if GLM_SWIZZLE == GLM_SWIZZLE_OPERATOR
 					GLM_SWIZZLE2_2_MEMBERS(T, Q, x, y)
 					GLM_SWIZZLE2_2_MEMBERS(T, Q, r, g)
 					GLM_SWIZZLE2_2_MEMBERS(T, Q, s, t)
@@ -45,13 +43,13 @@ namespace glm
 					GLM_SWIZZLE2_4_MEMBERS(T, Q, x, y)
 					GLM_SWIZZLE2_4_MEMBERS(T, Q, r, g)
 					GLM_SWIZZLE2_4_MEMBERS(T, Q, s, t)
-#				endif//GLM_SWIZZLE
+#				endif
 			};
 #		else
 			union {T x, r, s;};
 			union {T y, g, t;};
 
-#			if GLM_SWIZZLE == GLM_ENABLE
+#			if GLM_SWIZZLE == GLM_SWIZZLE_FUNCTION
 				GLM_SWIZZLE_GEN_VEC_FROM_VEC2(T, Q)
 #			endif//GLM_SWIZZLE
 #		endif
@@ -106,13 +104,13 @@ namespace glm
 		GLM_FUNC_DECL GLM_CONSTEXPR_CXX11 GLM_EXPLICIT vec(vec<2, U, P> const& v);
 
 		// -- Swizzle constructors --
-#		if GLM_HAS_ANONYMOUS_STRUCT && GLM_SWIZZLE == GLM_ENABLE
+#		if GLM_SWIZZLE == GLM_SWIZZLE_OPERATOR
 			template<int E0, int E1>
 			GLM_FUNC_DECL vec(detail::_swizzle<2, T, Q, E0, E1,-1,-2> const& that)
 			{
 				*this = that();
 			}
-#		endif//GLM_SWIZZLE == GLM_ENABLE
+#		endif//GLM_SWIZZLE == GLM_SWIZZLE_OPERATOR
 
 		// -- Unary arithmetic operators --
 

glm/detail/type_vec3.hpp

@@ -4,13 +4,11 @@
 #pragma once
 
 #include "type_vec.hpp"
-#if GLM_SWIZZLE == GLM_ENABLE
-#	if GLM_HAS_ANONYMOUS_STRUCT
-#		include "_swizzle.hpp"
-#	else
-#		include "_swizzle_func.hpp"
-#	endif
-#endif //GLM_SWIZZLE == GLM_ENABLE
+#if GLM_SWIZZLE == GLM_SWIZZLE_OPERATOR
+#	include "_swizzle.hpp"
+#elif GLM_SWIZZLE == GLM_SWIZZLE_FUNCTION
+#	include "_swizzle_func.hpp"
+#endif
 #include <cstddef>
 
 namespace glm
@@ -35,7 +33,7 @@ namespace glm
 
 				typename detail::storage<3, T, detail::is_aligned<Q>::value>::type data;
 
-#				if GLM_SWIZZLE == GLM_ENABLE
+#				if GLM_SWIZZLE == GLM_SWIZZLE_OPERATOR
 					GLM_SWIZZLE3_2_MEMBERS(T, Q, x, y, z)
 					GLM_SWIZZLE3_2_MEMBERS(T, Q, r, g, b)
 					GLM_SWIZZLE3_2_MEMBERS(T, Q, s, t, p)
@@ -45,14 +43,14 @@ namespace glm
 					GLM_SWIZZLE3_4_MEMBERS(T, Q, x, y, z)
 					GLM_SWIZZLE3_4_MEMBERS(T, Q, r, g, b)
 					GLM_SWIZZLE3_4_MEMBERS(T, Q, s, t, p)
-#				endif//GLM_SWIZZLE
+#				endif
 			};
 #		else
 			union { T x, r, s; };
 			union { T y, g, t; };
 			union { T z, b, p; };
 
-#			if GLM_SWIZZLE == GLM_ENABLE
+#			if GLM_SWIZZLE == GLM_SWIZZLE_FUNCTION
 				GLM_SWIZZLE_GEN_VEC_FROM_VEC3(T, Q)
 #			endif//GLM_SWIZZLE
 #		endif//GLM_LANG
@@ -124,7 +122,7 @@ namespace glm
 		GLM_FUNC_DECL GLM_CONSTEXPR_CXX11 GLM_EXPLICIT vec(vec<3, U, P> const& v);
 
 		// -- Swizzle constructors --
-#		if GLM_HAS_ANONYMOUS_STRUCT && GLM_SWIZZLE == GLM_ENABLE
+#		if GLM_SWIZZLE == GLM_SWIZZLE_OPERATOR
 			template<int E0, int E1, int E2>
 			GLM_FUNC_DECL vec(detail::_swizzle<3, T, Q, E0, E1, E2, -1> const& that)
 			{
@@ -142,7 +140,7 @@ namespace glm
 			{
 				*this = vec(scalar, v());
 			}
-#		endif//GLM_HAS_ANONYMOUS_STRUCT && GLM_SWIZZLE == GLM_ENABLE
+#		endif//GLM_SWIZZLE == GLM_SWIZZLE_OPERATOR
 
 		// -- Unary arithmetic operators --
 

glm/detail/type_vec4.hpp

@@ -4,13 +4,11 @@
 #pragma once
 
 #include "type_vec.hpp"
-#if GLM_SWIZZLE == GLM_ENABLE
-#	if GLM_HAS_ANONYMOUS_STRUCT
-#		include "_swizzle.hpp"
-#	else
-#		include "_swizzle_func.hpp"
-#	endif
-#endif //GLM_SWIZZLE
+#if GLM_SWIZZLE == GLM_SWIZZLE_OPERATOR
+#	include "_swizzle.hpp"
+#elif GLM_SWIZZLE == GLM_SWIZZLE_FUNCTION
+#	include "_swizzle_func.hpp"
+#endif
 #include <cstddef>
 
 namespace glm
@@ -35,7 +33,7 @@ namespace glm
 
 				typename detail::storage<4, T, detail::is_aligned<Q>::value>::type data;
 
-#				if GLM_SWIZZLE == GLM_ENABLE
+#				if GLM_SWIZZLE == GLM_SWIZZLE_OPERATOR
 					GLM_SWIZZLE4_2_MEMBERS(T, Q, x, y, z, w)
 					GLM_SWIZZLE4_2_MEMBERS(T, Q, r, g, b, a)
 					GLM_SWIZZLE4_2_MEMBERS(T, Q, s, t, p, q)
@@ -45,7 +43,7 @@ namespace glm
 					GLM_SWIZZLE4_4_MEMBERS(T, Q, x, y, z, w)
 					GLM_SWIZZLE4_4_MEMBERS(T, Q, r, g, b, a)
 					GLM_SWIZZLE4_4_MEMBERS(T, Q, s, t, p, q)
-#				endif//GLM_SWIZZLE
+#				endif
 			};
 #		else
 			union { T x, r, s; };
@@ -53,9 +51,9 @@ namespace glm
 			union { T z, b, p; };
 			union { T w, a, q; };
 
-#			if GLM_SWIZZLE == GLM_ENABLE
+#			if GLM_SWIZZLE == GLM_SWIZZLE_FUNCTION
 				GLM_SWIZZLE_GEN_VEC_FROM_VEC4(T, Q)
-#			endif//GLM_SWIZZLE
+#			endif
 #		endif
 
 		// -- Component accesses --
@@ -175,7 +173,7 @@ namespace glm
 		GLM_FUNC_DECL GLM_CONSTEXPR_CXX11 GLM_EXPLICIT vec(vec<4, U, P> const& v);
 
 		// -- Swizzle constructors --
-#		if GLM_HAS_ANONYMOUS_STRUCT && GLM_SWIZZLE == GLM_ENABLE
+#		if GLM_SWIZZLE == GLM_SWIZZLE_OPERATOR
 			template<int E0, int E1, int E2, int E3>
 			GLM_FUNC_DECL vec(detail::_swizzle<4, T, Q, E0, E1, E2, E3> const& that)
 			{
@@ -217,7 +215,7 @@ namespace glm
 			{
 				*this = vec<4, T, Q>(x, v());
 			}
-#		endif//GLM_HAS_ANONYMOUS_STRUCT && GLM_SWIZZLE == GLM_ENABLE
+#		endif//GLM_SWIZZLE == GLM_SWIZZLE_OPERATOR
 
 		// -- Unary arithmetic operators --
 

glm/ext/vec1.hpp

@@ -14,13 +14,11 @@
 
 #include "../fwd.hpp"
 #include "../detail/type_vec.hpp"
-#if GLM_SWIZZLE == GLM_ENABLE
-#	if GLM_HAS_ANONYMOUS_STRUCT
-#		include "../detail/_swizzle.hpp"
-#	else
-#		include "../detail/_swizzle_func.hpp"
-#	endif
-#endif //GLM_SWIZZLE
+#if GLM_SWIZZLE == GLM_SWIZZLE_OPERATOR
+#	include "_swizzle.hpp"
+#elif GLM_SWIZZLE == GLM_SWIZZLE_FUNCTION
+#	include "_swizzle_func.hpp"
+#endif
 #include <cstddef>
 
 #if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
@@ -52,7 +50,7 @@ namespace glm
 
 				typename detail::storage<1, T, detail::is_aligned<Q>::value>::type data;
 /*
-#				if GLM_SWIZZLE == GLM_ENABLE
+#				if GLM_SWIZZLE == GLM_SWIZZLE_OPERATOR
 					_GLM_SWIZZLE1_2_MEMBERS(T, Q, tvec2, x)
 					_GLM_SWIZZLE1_2_MEMBERS(T, Q, tvec2, r)
 					_GLM_SWIZZLE1_2_MEMBERS(T, Q, tvec2, s)
@@ -62,14 +60,16 @@ namespace glm
 					_GLM_SWIZZLE1_4_MEMBERS(T, Q, tvec4, x)
 					_GLM_SWIZZLE1_4_MEMBERS(T, Q, tvec4, r)
 					_GLM_SWIZZLE1_4_MEMBERS(T, Q, tvec4, s)
-#				endif//GLM_SWIZZLE*/
+#				endif
+*/
 			};
 #		else
 			union {T x, r, s;};
 /*
-#			if GLM_SWIZZLE == GLM_ENABLE
+#			if GLM_SWIZZLE == GLM_SWIZZLE_FUNCTION
 				GLM_SWIZZLE_GEN_VEC_FROM_VEC1(T, Q, tvec2, tvec2, tvec3, tvec4)
-#			endif//GLM_SWIZZLE*/
+#			endif
+*/
 #		endif
 
 		// -- Component accesses --
@@ -110,13 +110,13 @@ namespace glm
 
 		// -- Swizzle constructors --
 /*
-#		if GLM_HAS_ANONYMOUS_STRUCT && GLM_SWIZZLE == GLM_ENABLE
+#		if GLM_SWIZZLE == GLM_SWIZZLE_OPERATOR
 			template<int E0>
 			GLM_FUNC_DECL tvec(detail::_swizzle<1, T, Q, tvec1, E0, -1,-2,-3> const& that)
 			{
 				*this = that();
 			}
-#		endif//GLM_SWIZZLE == GLM_ENABLE
+#		endif//GLM_SWIZZLE == GLM_SWIZZLE_OPERATOR
 */
 		// -- Unary arithmetic operators --
 

test/core/core_func_swizzle.cpp

@@ -6,14 +6,39 @@ static int test_ivec2_swizzle()
 {
 	int Error = 0;
 
-#if GLM_SWIZZLE == GLM_ENABLE
-	glm::ivec2 A(1, 2);
-	glm::ivec2 B = A.yx();
-	glm::ivec2 C = B.yx();
+#	if GLM_SWIZZLE
+	{
+		glm::ivec2 A(1, 2);
+		glm::ivec2 B = A.yx();
+		glm::ivec2 C = B.yx();
 
-	Error += A != B ? 0 : 1;
-	Error += A == C ? 0 : 1;
-#endif//GLM_SWIZZLE == GLM_ENABLE
+		Error += A != B ? 0 : 1;
+		Error += A == C ? 0 : 1;
+	}
+#	endif//GLM_SWIZZLE
+
+#	if GLM_SWIZZLE == GLM_SWIZZLE_OPERATOR
+	{
+		glm::ivec2 A(1, 2);
+		glm::ivec2 B = A.yx;
+		glm::ivec2 C = A.yx;
+
+		Error += A != B ? 0 : 1;
+		Error += B == C ? 0 : 1;
+
+		B.xy = B.yx;
+		C.xy = C.yx;
+
+		Error += B == C ? 0 : 1;
+
+		glm::ivec2 D(0, 0);
+		D.yx = A.xy;
+		Error += A.yx() == D ? 0 : 1;
+
+		glm::ivec2 E = A.yx;
+		Error += E == D ? 0 : 1;
+	}
+#	endif//GLM_SWIZZLE
 
 	return Error;
 }
@@ -22,14 +47,43 @@ int test_ivec3_swizzle()
 {
 	int Error = 0;
 
-#if GLM_SWIZZLE == GLM_ENABLE
-	glm::ivec3 A(1, 2, 3);
-	glm::ivec3 B = A.zyx();
-	glm::ivec3 C = B.zyx();
+#	if GLM_SWIZZLE == GLM_ENABLE
+	{
+		glm::ivec3 A(1, 2, 3);
+		glm::ivec3 B = A.zyx();
+		glm::ivec3 C = B.zyx();
 
-	Error += A != B ? 0 : 1;
-	Error += A == C ? 0 : 1;
-#endif//GLM_SWIZZLE == GLM_ENABLE
+		Error += A != B ? 0 : 1;
+		Error += A == C ? 0 : 1;
+	}
+#	endif//GLM_SWIZZLE == GLM_ENABLE
+
+#	if GLM_SWIZZLE == GLM_SWIZZLE_OPERATOR
+	{
+		glm::ivec3 A(1, 2, 3);
+		glm::ivec2 B = A.yx;
+		glm::ivec2 C = A.yx;
+
+		Error += A.yx() == B ? 0 : 1;
+		Error += B == C ? 0 : 1;
+
+		B.xy = B.yx;
+		C.xy = C.yx;
+
+		Error += B == C ? 0 : 1;
+
+		glm::ivec2 D(0, 0);
+		D.yx = A.xy;
+
+		Error += A.yx() == D ? 0 : 1;
+
+		glm::ivec2 E(0, 0);
+		E.xy = A.xy();
+
+		Error += E == A.xy() ? 0 : 1;
+		Error += E.xy() == A.xy() ? 0 : 1;
+	}
+#	endif//GLM_SWIZZLE
 
 	return Error;
 }