Revert "Fixed vec4 SIMD constexpr #653"

This reverts commit 950d226154.

glm/detail/setup.hpp

@@ -698,7 +698,7 @@
 
 #if GLM_HAS_CONSTEXPR || GLM_HAS_CONSTEXPR_PARTIAL
 #	define GLM_CONSTEXPR constexpr
-#	if ((GLM_COMPILER & GLM_COMPILER_VC) && (GLM_COMPILER <= GLM_COMPILER_VC14)) // Visual C++ has a bug #594 https://github.com/g-truc/glm/issues/594
+#	if GLM_COMPILER & GLM_COMPILER_VC // Visual C++ has a bug #594 https://github.com/g-truc/glm/issues/594
 #		define GLM_CONSTEXPR_CTOR
 #	else
 #		define GLM_CONSTEXPR_CTOR constexpr
@@ -714,6 +714,12 @@
 #	define GLM_RELAXED_CONSTEXPR const
 #endif
 
+#if GLM_ARCH == GLM_ARCH_PURE
+#	define GLM_CONSTEXPR_SIMD GLM_CONSTEXPR_CTOR
+#else
+#	define GLM_CONSTEXPR_SIMD
+#endif
+
 #ifdef GLM_FORCE_EXPLICIT_CTOR
 #	define GLM_EXPLICIT explicit
 #else

glm/detail/type_mat2x2.inl

@@ -38,7 +38,7 @@ namespace glm
 	}
 
 	template<typename T, precision P>
-	GLM_FUNC_QUALIFIER mat<2, 2, T, P>::mat
+	GLM_FUNC_QUALIFIER mat<2, 2, T, P>::mat 
 	(
 		T const & x0, T const & y0,
 		T const & x1, T const & y1

glm/detail/type_vec4.hpp

@@ -89,21 +89,21 @@ namespace glm
 
 		// -- Implicit basic constructors --
 
-		GLM_FUNC_DECL GLM_CONSTEXPR_CTOR vec() GLM_DEFAULT;
-		GLM_FUNC_DECL GLM_CONSTEXPR_CTOR vec(vec<4, T, P> const& v) GLM_DEFAULT;
+		GLM_FUNC_DECL GLM_CONSTEXPR_SIMD vec() GLM_DEFAULT;
+		GLM_FUNC_DECL GLM_CONSTEXPR_SIMD vec(vec<4, T, P> const& v) GLM_DEFAULT;
 		template<precision Q>
-		GLM_FUNC_DECL GLM_CONSTEXPR_CTOR vec(vec<4, T, Q> const& v);
+		GLM_FUNC_DECL GLM_CONSTEXPR_SIMD vec(vec<4, T, Q> const& v);
 
 		// -- Explicit basic constructors --
 
-		GLM_FUNC_DECL GLM_CONSTEXPR_CTOR explicit vec(T scalar);
-		GLM_FUNC_DECL GLM_CONSTEXPR_CTOR vec(T x, T y, T z, T w);
+		GLM_FUNC_DECL GLM_CONSTEXPR_SIMD explicit vec(T scalar);
+		GLM_FUNC_DECL GLM_CONSTEXPR_SIMD vec(T x, T y, T z, T w);
 
 		// -- Conversion scalar constructors --
 
 		/// Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
 		template<typename X, typename Y, typename Z, typename W>
-		GLM_FUNC_DECL GLM_CONSTEXPR_CTOR vec(X _x, Y _y, Z _z, W _w);
+		GLM_FUNC_DECL GLM_CONSTEXPR_SIMD vec(X _x, Y _y, Z _z, W _w);
 		template<typename X, typename Y, typename Z, typename W>
 		GLM_FUNC_DECL GLM_CONSTEXPR_CTOR vec(vec<1, X, P> const& _x, vec<1, Y, P> const& _Y, vec<1, Z, P> const& _z, vec<1, W, P> const& _w);
 

glm/detail/type_vec4.inl

@@ -156,32 +156,32 @@ namespace detail
 
 #	if !GLM_HAS_DEFAULTED_FUNCTIONS
 		template<typename T, precision P>
-		GLM_FUNC_QUALIFIER GLM_CONSTEXPR_CTOR vec<4, T, P>::vec()
+		GLM_FUNC_QUALIFIER GLM_CONSTEXPR_SIMD vec<4, T, P>::vec()
 		{}
 #	endif//!GLM_HAS_DEFAULTED_FUNCTIONS
 
 #	if !GLM_HAS_DEFAULTED_FUNCTIONS
 		template<typename T, precision P>
-		GLM_FUNC_QUALIFIER GLM_CONSTEXPR_CTOR vec<4, T, P>::vec(vec<4, T, P> const & v)
+		GLM_FUNC_QUALIFIER GLM_CONSTEXPR_SIMD vec<4, T, P>::vec(vec<4, T, P> const & v)
 			: x(v.x), y(v.y), z(v.z), w(v.w)
 		{}
 #	endif//!GLM_HAS_DEFAULTED_FUNCTIONS
 
 	template<typename T, precision P>
 	template<precision Q>
-	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_CTOR vec<4, T, P>::vec(vec<4, T, Q> const & v)
+	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_SIMD vec<4, T, P>::vec(vec<4, T, Q> const & v)
 		: x(v.x), y(v.y), z(v.z), w(v.w)
 	{}
 
 	// -- Explicit basic constructors --
 
 	template<typename T, precision P>
-	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_CTOR vec<4, T, P>::vec(T scalar)
+	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_SIMD vec<4, T, P>::vec(T scalar)
 		: x(scalar), y(scalar), z(scalar), w(scalar)
 	{}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_CTOR vec<4, T, P>::vec(T _x, T _y, T _z, T _w)
+	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_SIMD vec<4, T, P>::vec(T _x, T _y, T _z, T _w)
 		: x(_x), y(_y), z(_z), w(_w)
 	{}
 
@@ -189,7 +189,7 @@ namespace detail
 
 	template<typename T, precision P>
 	template<typename X, typename Y, typename Z, typename W>
-	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_CTOR vec<4, T, P>::vec(X _x, Y _y, Z _z, W _w)
+	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_SIMD vec<4, T, P>::vec(X _x, Y _y, Z _z, W _w)
 		: x(static_cast<T>(_x))
 		, y(static_cast<T>(_y))
 		, z(static_cast<T>(_z))

glm/detail/type_vec4_simd.inl

@@ -339,118 +339,132 @@ namespace detail
 	};
 }//namespace detail
 
+#	if !GLM_HAS_DEFAULTED_FUNCTIONS
+		template<>
+		GLM_FUNC_QUALIFIER GLM_CONSTEXPR_SIMD vec<4, float, aligned_lowp>::vec()
+		{}
+
+		template<>
+		GLM_FUNC_QUALIFIER GLM_CONSTEXPR_SIMD vec<4, float, aligned_mediump>::vec()
+		{}
+
+		template<>
+		GLM_FUNC_QUALIFIER GLM_CONSTEXPR_SIMD vec<4, float, aligned_highp>::vec()
+		{}
+#	endif//!GLM_HAS_DEFAULTED_FUNCTIONS
+
 	template<>
-	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_CTOR vec<4, float, aligned_lowp>::vec(float _s)
-		: data(_mm_set1_ps(_s))
+	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_SIMD vec<4, float, aligned_lowp>::vec(float _s) :
+		data(_mm_set1_ps(_s))
 	{}
 
 	template<>
-	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_CTOR vec<4, float, aligned_mediump>::vec(float _s)
-		: data(_mm_set1_ps(_s))
+	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_SIMD vec<4, float, aligned_mediump>::vec(float _s) :
+		data(_mm_set1_ps(_s))
 	{}
 
 	template<>
-	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_CTOR vec<4, float, aligned_highp>::vec(float _s)
-		: data(_mm_set1_ps(_s))
+	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_SIMD vec<4, float, aligned_highp>::vec(float _s) :
+		data(_mm_set1_ps(_s))
 	{}
 
 #	if GLM_ARCH & GLM_ARCH_AVX_BIT
 	template<>
-	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_CTOR vec<4, double, aligned_lowp>::vec(double _s) :
+	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_SIMD vec<4, double, aligned_lowp>::vec(double _s) :
 		data(_mm256_set1_pd(_s))
 	{}
 
 	template<>
-	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_CTOR vec<4, double, aligned_mediump>::vec(double _s) :
+	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_SIMD vec<4, double, aligned_mediump>::vec(double _s) :
 		data(_mm256_set1_pd(_s))
 	{}
 
 	template<>
-	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_CTOR vec<4, double, aligned_highp>::vec(double _s) :
+	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_SIMD vec<4, double, aligned_highp>::vec(double _s) :
 		data(_mm256_set1_pd(_s))
 	{}
 #	endif
 
 	template<>
-	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_CTOR vec<4, int32, aligned_lowp>::vec(int32 _s) :
+	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_SIMD vec<4, int32, aligned_lowp>::vec(int32 _s) :
 		data(_mm_set1_epi32(_s))
 	{}
 
 	template<>
-	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_CTOR vec<4, int32, aligned_mediump>::vec(int32 _s) :
+	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_SIMD vec<4, int32, aligned_mediump>::vec(int32 _s) :
 		data(_mm_set1_epi32(_s))
 	{}
 
 	template<>
-	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_CTOR vec<4, int32, aligned_highp>::vec(int32 _s) :
+	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_SIMD vec<4, int32, aligned_highp>::vec(int32 _s) :
 		data(_mm_set1_epi32(_s))
 	{}
 
 #	if GLM_ARCH & GLM_ARCH_AVX2_BIT
 	template<>
-	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_CTOR vec<4, int64, aligned_lowp>::vec(int64 _s) :
+	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_SIMD vec<4, int64, aligned_lowp>::vec(int64 _s) :
 		data(_mm256_set1_epi64x(_s))
 	{}
 
 	template<>
-	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_CTOR vec<4, int64, aligned_mediump>::vec(int64 _s) :
+	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_SIMD vec<4, int64, aligned_mediump>::vec(int64 _s) :
 		data(_mm256_set1_epi64x(_s))
 	{}
 
 	template<>
-	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_CTOR vec<4, int64, aligned_highp>::vec(int64 _s) :
+	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_SIMD vec<4, int64, aligned_highp>::vec(int64 _s) :
 		data(_mm256_set1_epi64x(_s))
 	{}
 #	endif
 
 	template<>
-	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_CTOR vec<4, float, aligned_lowp>::vec(float _x, float _y, float _z, float _w) :
+	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_SIMD vec<4, float, aligned_lowp>::vec(float _x, float _y, float _z, float _w) :
 		data(_mm_set_ps(_w, _z, _y, _x))
 	{}
 
 	template<>
-	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_CTOR vec<4, float, aligned_mediump>::vec(float _x, float _y, float _z, float _w) :
+	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_SIMD vec<4, float, aligned_mediump>::vec(float _x, float _y, float _z, float _w) :
 		data(_mm_set_ps(_w, _z, _y, _x))
 	{}
 
 	template<>
-	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_CTOR vec<4, float, aligned_highp>::vec(float _x, float _y, float _z, float _w) :
+	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_SIMD vec<4, float, aligned_highp>::vec(float _x, float _y, float _z, float _w) :
 		data(_mm_set_ps(_w, _z, _y, _x))
 	{}
 
 	template<>
 	template<>
-	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_CTOR vec<4, int32, aligned_lowp>::vec(int32 _x, int32 _y, int32 _z, int32 _w) :
+	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_SIMD vec<4, int32, aligned_lowp>::vec(int32 _x, int32 _y, int32 _z, int32 _w) :
 		data(_mm_set_epi32(_w, _z, _y, _x))
 	{}
 
 	template<>
 	template<>
-	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_CTOR vec<4, int32, aligned_mediump>::vec(int32 _x, int32 _y, int32 _z, int32 _w) :
+	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_SIMD vec<4, int32, aligned_mediump>::vec(int32 _x, int32 _y, int32 _z, int32 _w) :
 		data(_mm_set_epi32(_w, _z, _y, _x))
 	{}
 
 	template<>
 	template<>
-	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_CTOR vec<4, int32, aligned_highp>::vec(int32 _x, int32 _y, int32 _z, int32 _w) :
+	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_SIMD vec<4, int32, aligned_highp>::vec(int32 _x, int32 _y, int32 _z, int32 _w) :
 		data(_mm_set_epi32(_w, _z, _y, _x))
 	{}
 
 	template<>
 	template<>
-	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_CTOR vec<4, float, aligned_lowp>::vec(int32 _x, int32 _y, int32 _z, int32 _w) :
+	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_SIMD vec<4, float, aligned_lowp>::vec(int32 _x, int32 _y, int32 _z, int32 _w) :
 		data(_mm_castsi128_ps(_mm_set_epi32(_w, _z, _y, _x)))
 	{}
 
 	template<>
 	template<>
-	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_CTOR vec<4, float, aligned_mediump>::vec(int32 _x, int32 _y, int32 _z, int32 _w) :
+	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_SIMD vec<4, float, aligned_mediump>::vec(int32 _x, int32 _y, int32 _z, int32 _w) :
 		data(_mm_castsi128_ps(_mm_set_epi32(_w, _z, _y, _x)))
 	{}
 
 	template<>
 	template<>
-	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_CTOR vec<4, float, aligned_highp>::vec(int32 _x, int32 _y, int32 _z, int32 _w) :
+	GLM_FUNC_QUALIFIER GLM_CONSTEXPR_SIMD vec<4, float, aligned_highp>::vec(int32 _x, int32 _y, int32 _z, int32 _w) :
 		data(_mm_castsi128_ps(_mm_set_epi32(_w, _z, _y, _x)))
 	{}
 }//namespace glm

readme.md

@@ -91,7 +91,6 @@ glm::mat4 camera(float Translate, glm::vec2 const & Rotate)
 - Fixed integer pow from GTX_integer with null exponent #658
 - Fixed quat normalize build error #656
 - Fixed Visual C++ 2017.2 warning regarding __has_feature definision #655
-- Fixed vec4 SIMD constexpr #653
 
 #### Deprecation:
 - Requires Visual Studio 2013, GCC 4.7, Clang 3.4, Cuda 7, ICC 2013 or a C++11 compiler

test/core/core_type_mat2x2.cpp

@@ -61,7 +61,7 @@ int test_ctr()
 
 #if GLM_HAS_INITIALIZER_LISTS
 	glm::mat2x2 m0(
-		glm::vec2(0, 1),
+		glm::vec2(0, 1), 
 		glm::vec2(2, 3));
 
 	glm::mat2x2 m1{0, 1, 2, 3};

test/core/core_type_vec1.cpp

@@ -38,10 +38,6 @@ int test_vec1_ctor()
 {
 	int Error = 0;
 
-#	if GLM_HAS_CONSTEXPR
-	constexpr glm::vec1 v(0);
-#	endif
-
 #	if GLM_HAS_TRIVIAL_QUERIES
 	//	Error += std::is_trivially_default_constructible<glm::vec1>::value ? 0 : 1;
 	//	Error += std::is_trivially_copy_assignable<glm::vec1>::value ? 0 : 1;

test/core/core_type_vec2.cpp

@@ -199,10 +199,6 @@ int test_vec2_ctor()
 {
 	int Error = 0;
 
-#	if GLM_HAS_CONSTEXPR
-	constexpr glm::vec2 v(0);
-#	endif
-
 	{
 		glm::vec2 A(1);
 		glm::vec2 B(A);

test/core/core_type_vec3.cpp

@@ -15,10 +15,6 @@ int test_vec3_ctor()
 {
 	int Error = 0;
 
-#	if GLM_HAS_CONSTEXPR
-	constexpr glm::vec3 v(0);
-#	endif
-
 #	if GLM_HAS_TRIVIAL_QUERIES
 	//	Error += std::is_trivially_default_constructible<glm::vec3>::value ? 0 : 1;
 	//	Error += std::is_trivially_copy_assignable<glm::vec3>::value ? 0 : 1;
@@ -263,7 +259,7 @@ int test_vec3_swizzle3_2()
 	int Error = 0;
 
 	glm::vec3 v(1, 2, 3);
-	glm::vec2 u(0);
+	glm::vec2 u;
 
 #	if(GLM_LANG & GLM_LANG_CXXMS_FLAG)
 		// Can not assign a vec3 swizzle to a vec2
@@ -326,7 +322,7 @@ int test_vec3_swizzle3_3()
 	int Error = 0;
 
 	glm::vec3 v(1, 2, 3);
-	glm::vec3 u(0);
+	glm::vec3 u;
 
 #	if(GLM_LANG & GLM_LANG_CXXMS_FLAG)
 		u = v;          Error += (u.x == 1.0f && u.y == 2.0f && u.z == 3.0f) ? 0 : 1;
@@ -352,7 +348,7 @@ int test_vec3_swizzle_operators()
 {
 	int Error = 0;
 
-	glm::vec3 q(0), u, v;
+	glm::vec3 q, u, v;
 
 	u = glm::vec3(1, 2, 3);
 	v = glm::vec3(10, 20, 30);
@@ -409,9 +405,9 @@ int test_vec3_swizzle_functions()
 	r = glm::dot(glm::vec2(a.xy()), glm::vec2(b.yy()));       Error += (int(r) == 60) ? 0 : 1;
 
 	// vec3
-	glm::vec3 q(0);
-	glm::vec3 u = glm::vec3(1, 2, 3);
-	glm::vec3 v = glm::vec3(10, 20, 30);
+	glm::vec3 q, u, v;
+	u = glm::vec3(1, 2, 3);
+	v = glm::vec3(10, 20, 30);
 	r = glm::dot(u, v);                 Error += (int(r) == 140) ? 0 : 1;
 	r = glm::dot(u.xyz(), v.zyz());     Error += (int(r) == 160) ? 0 : 1;
 	r = glm::dot(u, v.zyx());           Error += (int(r) == 100) ? 0 : 1;
@@ -419,8 +415,9 @@ int test_vec3_swizzle_functions()
 	r = glm::dot(u.xy(), v.xy());       Error += (int(r) == 50) ? 0 : 1;
 
 	// vec4
-	glm::vec4 s = glm::vec4(1, 2, 3, 4);
-	glm::vec4 t = glm::vec4(10, 20, 30, 40);
+	glm::vec4 s, t;
+	s = glm::vec4(1, 2, 3, 4);
+	t = glm::vec4(10, 20, 30, 40);
 	r = glm::dot(s, t);                 Error += (int(r) == 300) ? 0 : 1;
 	r = glm::dot(s.xyzw(), t.xyzw());   Error += (int(r) == 300) ? 0 : 1;
 	r = glm::dot(s.xyz(), t.xyz());     Error += (int(r) == 140) ? 0 : 1;
@@ -486,6 +483,9 @@ int main()
 {
 	int Error = 0;
 
+	glm::vec3 v;
+	assert(v.length() == 3);
+
 	Error += test_vec3_ctor();
 	Error += test_vec3_operators();
 	Error += test_vec3_size();

test/core/core_type_vec4.cpp

@@ -37,10 +37,6 @@ int test_vec4_ctor()
 {
 	int Error = 0;
 
-#	if GLM_HAS_CONSTEXPR
-	constexpr glm::vec4 v(0.0f);
-#	endif
-
 	{
 		glm::ivec4 A(1, 2, 3, 4);
 		glm::ivec4 B(A);
@@ -550,6 +546,8 @@ int main()
 		printf("GNI\n");
 	}
 */
+	glm::vec4 v;
+	assert(v.length() == 4);
 
 #	ifdef NDEBUG
 		std::size_t const Size(1000000);