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Extended bit field functions: #4
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@ -101,6 +101,22 @@ namespace glm
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template <typename genType>
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genType bitRotateLeft(genType const & In, std::size_t Shift);
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//! Set to 1 a range of bits.
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//! From GLM_GTX_bit extension.
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template <typename genIUType>
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genIUType fillBitfieldWithOne(
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genIUType const & Value,
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int const & FromBit,
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int const & ToBit);
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//! Set to 0 a range of bits.
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//! From GLM_GTX_bit extension.
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template <typename genIUType>
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genIUType fillBitfieldWithZero(
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genIUType const & Value,
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int const & FromBit,
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int const & ToBit);
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///@}
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}//namespace bit
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@ -738,6 +738,40 @@ GLM_FUNC_QUALIFIER detail::tvec4<valType> bitRotateLeft
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bitRotateLeft(Value[3], Shift));
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}
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template <typename genIUType>
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GLM_FUNC_QUALIFIER genIUType fillBitfieldWithOne
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(
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genIUType const & Value,
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int const & FromBit,
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int const & ToBit
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)
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{
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assert(FromBit <= ToBit);
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assert(ToBit <= sizeof(genIUType) * std::size_t(8));
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genIUType Result = Value;
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for(std::size_t i = 0; i <= ToBit; ++i)
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Result |= (1 << i);
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return Result;
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}
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template <typename genIUType>
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GLM_FUNC_QUALIFIER genIUType fillBitfieldWithZero
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(
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genIUType const & Value,
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int const & FromBit,
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int const & ToBit
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)
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{
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assert(FromBit <= ToBit);
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assert(ToBit <= sizeof(genIUType) * std::size_t(8));
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genIUType Result = Value;
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for(std::size_t i = 0; i <= ToBit; ++i)
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Result &= ~(1 << i);
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return Result;
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}
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}//namespace bit
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}//namespace gtx
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}//namespace glm
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