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GLM requires anynimous struct for SIMD optimizations and swizzle support #524

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This commit is contained in:
Christophe Riccio 2016-07-16 18:46:15 +02:00
parent 848d68fe96
commit 2a3d241d78
5 changed files with 22 additions and 5 deletions
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2
glm/detail/type_vec1.hpp
View File

@ -27,7 +27,7 @@ namespace glm
// -- Data --
# if GLM_HAS_UNRESTRICTED_UNIONS
# if GLM_HAS_UNRESTRICTED_UNIONS && (defined(GLM_SWIZZLE) || (GLM_ARCH & (GLM_ARCH_SSE2_BIT | GLM_ARCH_NEON_BIT)))
# if GLM_COMPILER & GLM_COMPILER_GCC
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wpedantic"

2
glm/detail/type_vec2.hpp
View File

@ -26,7 +26,7 @@ namespace glm
// -- Data --
# if GLM_HAS_UNRESTRICTED_UNIONS
# if GLM_HAS_UNRESTRICTED_UNIONS && (defined(GLM_SWIZZLE) || (GLM_ARCH & (GLM_ARCH_SSE2_BIT | GLM_ARCH_NEON_BIT)))
# if GLM_COMPILER & GLM_COMPILER_GCC
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wpedantic"

2
glm/detail/type_vec3.hpp
View File

@ -26,7 +26,7 @@ namespace glm
// -- Data --
# if GLM_HAS_UNRESTRICTED_UNIONS
# if GLM_HAS_UNRESTRICTED_UNIONS && (defined(GLM_SWIZZLE) || (GLM_ARCH & (GLM_ARCH_SSE2_BIT | GLM_ARCH_NEON_BIT)))
# if GLM_COMPILER & GLM_COMPILER_GCC
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wpedantic"

2
glm/detail/type_vec4.hpp
View File

@ -27,7 +27,7 @@ namespace glm
// -- Data --
# if GLM_HAS_UNRESTRICTED_UNIONS
# if GLM_HAS_UNRESTRICTED_UNIONS && (defined(GLM_SWIZZLE) || (GLM_ARCH & (GLM_ARCH_SSE2_BIT | GLM_ARCH_NEON_BIT)))
# if GLM_COMPILER & GLM_COMPILER_GCC
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wpedantic"

19
glm/gtc/quaternion.hpp
View File

@ -40,12 +40,29 @@ namespace glm
// -- Data --
# if GLM_HAS_UNRESTRICTED_UNIONS
# if GLM_HAS_UNRESTRICTED_UNIONS && (defined(GLM_SWIZZLE) || (GLM_ARCH & (GLM_ARCH_SSE2_BIT | GLM_ARCH_NEON_BIT)))
# if GLM_COMPILER & GLM_COMPILER_GCC
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wpedantic"
# endif
# if GLM_COMPILER & GLM_COMPILER_CLANG
# pragma clang diagnostic push
# pragma clang diagnostic ignored "-Wgnu-anonymous-struct"
# pragma clang diagnostic ignored "-Wnested-anon-types"
# endif
union
{
struct { T x, y, z, w;};
typename detail::storage<T, sizeof(T) * 4, detail::is_aligned<P>::value>::type data;
};
# if GLM_COMPILER & GLM_COMPILER_CLANG
# pragma clang diagnostic pop
# endif
# if GLM_COMPILER & GLM_COMPILER_GCC
# pragma GCC diagnostic pop
# endif
# else
T x, y, z, w;
# endif