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+/// @ref core
+/// @file glm/detail/qualifier.hpp
+
+#pragma once
+
+#include "setup.hpp"
+
+namespace glm
+{
+ /// Qualify GLM types in term of alignment (packed, aligned) and precision in term of ULPs (lowp, mediump, highp)
+ enum qualifier
+ {
+ packed_highp, ///< Typed data is tightly packed in memory and operations are executed with high precision in term of ULPs
+ packed_mediump, ///< Typed data is tightly packed in memory and operations are executed with medium precision in term of ULPs for higher performance
+ packed_lowp, ///< Typed data is tightly packed in memory and operations are executed with low precision in term of ULPs to maximize performance
+
+# if GLM_HAS_ALIGNED_TYPE
+ aligned_highp, ///< Typed data is aligned in memory allowing SIMD optimizations and operations are executed with high precision in term of ULPs
+ aligned_mediump, ///< Typed data is aligned in memory allowing SIMD optimizations and operations are executed with high precision in term of ULPs for higher performance
+ aligned_lowp, // ///< Typed data is aligned in memory allowing SIMD optimizations and operations are executed with high precision in term of ULPs to maximize performance
+ aligned = aligned_highp, ///< By default aligned qualifier is also high precision
+# endif
+
+ highp = packed_highp, ///< By default highp qualifier is also packed
+ mediump = packed_mediump, ///< By default mediump qualifier is also packed
+ lowp = packed_lowp, ///< By default lowp qualifier is also packed
+ packed = packed_highp, ///< By default packed qualifier is also high precision
+
+# if GLM_HAS_ALIGNED_TYPE && defined(GLM_FORCE_ALIGNED)
+ defaultp = aligned_highp
+# else
+ defaultp = highp
+# endif
+ };
+
+ typedef qualifier precision;
+
+ template<length_t L, typename T, qualifier Q = defaultp> struct vec;
+ template<length_t C, length_t R, typename T, qualifier Q = defaultp> struct mat;
+
+namespace detail
+{
+ template<glm::qualifier P>
+ struct is_aligned
+ {
+ static const bool value = false;
+ };
+
+# if GLM_HAS_ALIGNED_TYPE
+ template<>
+ struct is_aligned<glm::aligned_lowp>
+ {
+ static const bool value = true;
+ };
+
+ template<>
+ struct is_aligned<glm::aligned_mediump>
+ {
+ static const bool value = true;
+ };
+
+ template<>
+ struct is_aligned<glm::aligned_highp>
+ {
+ static const bool value = true;
+ };
+# endif
+}//namespace detail
+}//namespace glm