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Add support for x,y,z,w accessors to fvec4SIMD.
This is done via a union. It must be enabled with GLM_SIMD_ENABLE_XYZW_UNION. A nameless struct/union warning in VC (C4201) is explicitly disabled with the "pragma warning(push/pop)" system. Allowing xyzw access makes it much easier to toggle between SIMD and non-SIMD builds.
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@ -54,6 +54,14 @@
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# pragma message("GLM: GLM_GTX_simd_vec4 extension included")
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#endif
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// Warning silencer for nameless struct/union.
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#if (GLM_COMPILER & GLM_COMPILER_VC)
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# pragma warning(push)
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# pragma warning(disable:4201) // warning C4201: nonstandard extension used : nameless struct/union
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#endif
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namespace glm{
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namespace detail
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{
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@ -69,7 +77,15 @@ namespace detail
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typedef fvec4SIMD type;
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typedef tvec4<bool> bool_type;
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#ifdef GLM_SIMD_ENABLE_XYZW_UNION
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union
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{
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__m128 Data;
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struct {float x, y, z, w;};
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};
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#else
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__m128 Data;
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#endif
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//////////////////////////////////////
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// Implicit basic constructors
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@ -490,6 +506,12 @@ namespace detail
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#include "simd_vec4.inl"
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#if (GLM_COMPILER & GLM_COMPILER_VC)
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# pragma warning(pop)
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#endif
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#endif//(GLM_ARCH != GLM_ARCH_PURE)
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#endif//GLM_GTX_simd_vec4
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