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Diffstat (limited to 'inc/glm/gtc/bitfield.inl')
| -rw-r--r-- | inc/glm/gtc/bitfield.inl | 542 |
1 files changed, 542 insertions, 0 deletions
diff --git a/inc/glm/gtc/bitfield.inl b/inc/glm/gtc/bitfield.inl new file mode 100644 index 0000000..ddd8fc0 --- /dev/null +++ b/inc/glm/gtc/bitfield.inl @@ -0,0 +1,542 @@ +///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2015 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+///
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+///
+/// Restrictions:
+/// By making use of the Software for military purposes, you choose to make
+/// a Bunny unhappy.
+///
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtc_bitfield
+/// @file glm/gtc/bitfield.inl
+/// @date 2011-10-14 / 2012-01-25
+/// @author Christophe Riccio
+///////////////////////////////////////////////////////////////////////////////////
+
+namespace glm{
+namespace detail
+{
+ template <typename PARAM, typename RET>
+ GLM_FUNC_DECL RET bitfieldInterleave(PARAM x, PARAM y);
+
+ template <typename PARAM, typename RET>
+ GLM_FUNC_DECL RET bitfieldInterleave(PARAM x, PARAM y, PARAM z);
+
+ template <typename PARAM, typename RET>
+ GLM_FUNC_DECL RET bitfieldInterleave(PARAM x, PARAM y, PARAM z, PARAM w);
+
+ template <>
+ GLM_FUNC_QUALIFIER glm::uint16 bitfieldInterleave(glm::uint8 x, glm::uint8 y)
+ {
+ glm::uint16 REG1(x);
+ glm::uint16 REG2(y);
+
+ REG1 = ((REG1 << 4) | REG1) & glm::uint16(0x0F0F);
+ REG2 = ((REG2 << 4) | REG2) & glm::uint16(0x0F0F);
+
+ REG1 = ((REG1 << 2) | REG1) & glm::uint16(0x3333);
+ REG2 = ((REG2 << 2) | REG2) & glm::uint16(0x3333);
+
+ REG1 = ((REG1 << 1) | REG1) & glm::uint16(0x5555);
+ REG2 = ((REG2 << 1) | REG2) & glm::uint16(0x5555);
+
+ return REG1 | (REG2 << 1);
+ }
+
+ template <>
+ GLM_FUNC_QUALIFIER glm::uint32 bitfieldInterleave(glm::uint16 x, glm::uint16 y)
+ {
+ glm::uint32 REG1(x);
+ glm::uint32 REG2(y);
+
+ REG1 = ((REG1 << 8) | REG1) & glm::uint32(0x00FF00FF);
+ REG2 = ((REG2 << 8) | REG2) & glm::uint32(0x00FF00FF);
+
+ REG1 = ((REG1 << 4) | REG1) & glm::uint32(0x0F0F0F0F);
+ REG2 = ((REG2 << 4) | REG2) & glm::uint32(0x0F0F0F0F);
+
+ REG1 = ((REG1 << 2) | REG1) & glm::uint32(0x33333333);
+ REG2 = ((REG2 << 2) | REG2) & glm::uint32(0x33333333);
+
+ REG1 = ((REG1 << 1) | REG1) & glm::uint32(0x55555555);
+ REG2 = ((REG2 << 1) | REG2) & glm::uint32(0x55555555);
+
+ return REG1 | (REG2 << 1);
+ }
+
+ template <>
+ GLM_FUNC_QUALIFIER glm::uint64 bitfieldInterleave(glm::uint32 x, glm::uint32 y)
+ {
+ glm::uint64 REG1(x);
+ glm::uint64 REG2(y);
+
+ REG1 = ((REG1 << 16) | REG1) & glm::uint64(0x0000FFFF0000FFFF);
+ REG2 = ((REG2 << 16) | REG2) & glm::uint64(0x0000FFFF0000FFFF);
+
+ REG1 = ((REG1 << 8) | REG1) & glm::uint64(0x00FF00FF00FF00FF);
+ REG2 = ((REG2 << 8) | REG2) & glm::uint64(0x00FF00FF00FF00FF);
+
+ REG1 = ((REG1 << 4) | REG1) & glm::uint64(0x0F0F0F0F0F0F0F0F);
+ REG2 = ((REG2 << 4) | REG2) & glm::uint64(0x0F0F0F0F0F0F0F0F);
+
+ REG1 = ((REG1 << 2) | REG1) & glm::uint64(0x3333333333333333);
+ REG2 = ((REG2 << 2) | REG2) & glm::uint64(0x3333333333333333);
+
+ REG1 = ((REG1 << 1) | REG1) & glm::uint64(0x5555555555555555);
+ REG2 = ((REG2 << 1) | REG2) & glm::uint64(0x5555555555555555);
+
+ return REG1 | (REG2 << 1);
+ }
+
+ template <>
+ GLM_FUNC_QUALIFIER glm::uint32 bitfieldInterleave(glm::uint8 x, glm::uint8 y, glm::uint8 z)
+ {
+ glm::uint32 REG1(x);
+ glm::uint32 REG2(y);
+ glm::uint32 REG3(z);
+
+ REG1 = ((REG1 << 16) | REG1) & glm::uint32(0x00FF0000FF0000FF);
+ REG2 = ((REG2 << 16) | REG2) & glm::uint32(0x00FF0000FF0000FF);
+ REG3 = ((REG3 << 16) | REG3) & glm::uint32(0x00FF0000FF0000FF);
+
+ REG1 = ((REG1 << 8) | REG1) & glm::uint32(0xF00F00F00F00F00F);
+ REG2 = ((REG2 << 8) | REG2) & glm::uint32(0xF00F00F00F00F00F);
+ REG3 = ((REG3 << 8) | REG3) & glm::uint32(0xF00F00F00F00F00F);
+
+ REG1 = ((REG1 << 4) | REG1) & glm::uint32(0x30C30C30C30C30C3);
+ REG2 = ((REG2 << 4) | REG2) & glm::uint32(0x30C30C30C30C30C3);
+ REG3 = ((REG3 << 4) | REG3) & glm::uint32(0x30C30C30C30C30C3);
+
+ REG1 = ((REG1 << 2) | REG1) & glm::uint32(0x9249249249249249);
+ REG2 = ((REG2 << 2) | REG2) & glm::uint32(0x9249249249249249);
+ REG3 = ((REG3 << 2) | REG3) & glm::uint32(0x9249249249249249);
+
+ return REG1 | (REG2 << 1) | (REG3 << 2);
+ }
+
+ template <>
+ GLM_FUNC_QUALIFIER glm::uint64 bitfieldInterleave(glm::uint16 x, glm::uint16 y, glm::uint16 z)
+ {
+ glm::uint64 REG1(x);
+ glm::uint64 REG2(y);
+ glm::uint64 REG3(z);
+
+ REG1 = ((REG1 << 32) | REG1) & glm::uint64(0xFFFF00000000FFFF);
+ REG2 = ((REG2 << 32) | REG2) & glm::uint64(0xFFFF00000000FFFF);
+ REG3 = ((REG3 << 32) | REG3) & glm::uint64(0xFFFF00000000FFFF);
+
+ REG1 = ((REG1 << 16) | REG1) & glm::uint64(0x00FF0000FF0000FF);
+ REG2 = ((REG2 << 16) | REG2) & glm::uint64(0x00FF0000FF0000FF);
+ REG3 = ((REG3 << 16) | REG3) & glm::uint64(0x00FF0000FF0000FF);
+
+ REG1 = ((REG1 << 8) | REG1) & glm::uint64(0xF00F00F00F00F00F);
+ REG2 = ((REG2 << 8) | REG2) & glm::uint64(0xF00F00F00F00F00F);
+ REG3 = ((REG3 << 8) | REG3) & glm::uint64(0xF00F00F00F00F00F);
+
+ REG1 = ((REG1 << 4) | REG1) & glm::uint64(0x30C30C30C30C30C3);
+ REG2 = ((REG2 << 4) | REG2) & glm::uint64(0x30C30C30C30C30C3);
+ REG3 = ((REG3 << 4) | REG3) & glm::uint64(0x30C30C30C30C30C3);
+
+ REG1 = ((REG1 << 2) | REG1) & glm::uint64(0x9249249249249249);
+ REG2 = ((REG2 << 2) | REG2) & glm::uint64(0x9249249249249249);
+ REG3 = ((REG3 << 2) | REG3) & glm::uint64(0x9249249249249249);
+
+ return REG1 | (REG2 << 1) | (REG3 << 2);
+ }
+
+ template <>
+ GLM_FUNC_QUALIFIER glm::uint64 bitfieldInterleave(glm::uint32 x, glm::uint32 y, glm::uint32 z)
+ {
+ glm::uint64 REG1(x);
+ glm::uint64 REG2(y);
+ glm::uint64 REG3(z);
+
+ REG1 = ((REG1 << 32) | REG1) & glm::uint64(0xFFFF00000000FFFF);
+ REG2 = ((REG2 << 32) | REG2) & glm::uint64(0xFFFF00000000FFFF);
+ REG3 = ((REG3 << 32) | REG3) & glm::uint64(0xFFFF00000000FFFF);
+
+ REG1 = ((REG1 << 16) | REG1) & glm::uint64(0x00FF0000FF0000FF);
+ REG2 = ((REG2 << 16) | REG2) & glm::uint64(0x00FF0000FF0000FF);
+ REG3 = ((REG3 << 16) | REG3) & glm::uint64(0x00FF0000FF0000FF);
+
+ REG1 = ((REG1 << 8) | REG1) & glm::uint64(0xF00F00F00F00F00F);
+ REG2 = ((REG2 << 8) | REG2) & glm::uint64(0xF00F00F00F00F00F);
+ REG3 = ((REG3 << 8) | REG3) & glm::uint64(0xF00F00F00F00F00F);
+
+ REG1 = ((REG1 << 4) | REG1) & glm::uint64(0x30C30C30C30C30C3);
+ REG2 = ((REG2 << 4) | REG2) & glm::uint64(0x30C30C30C30C30C3);
+ REG3 = ((REG3 << 4) | REG3) & glm::uint64(0x30C30C30C30C30C3);
+
+ REG1 = ((REG1 << 2) | REG1) & glm::uint64(0x9249249249249249);
+ REG2 = ((REG2 << 2) | REG2) & glm::uint64(0x9249249249249249);
+ REG3 = ((REG3 << 2) | REG3) & glm::uint64(0x9249249249249249);
+
+ return REG1 | (REG2 << 1) | (REG3 << 2);
+ }
+
+ template <>
+ GLM_FUNC_QUALIFIER glm::uint32 bitfieldInterleave(glm::uint8 x, glm::uint8 y, glm::uint8 z, glm::uint8 w)
+ {
+ glm::uint32 REG1(x);
+ glm::uint32 REG2(y);
+ glm::uint32 REG3(z);
+ glm::uint32 REG4(w);
+
+ REG1 = ((REG1 << 12) | REG1) & glm::uint32(0x000F000F000F000F);
+ REG2 = ((REG2 << 12) | REG2) & glm::uint32(0x000F000F000F000F);
+ REG3 = ((REG3 << 12) | REG3) & glm::uint32(0x000F000F000F000F);
+ REG4 = ((REG4 << 12) | REG4) & glm::uint32(0x000F000F000F000F);
+
+ REG1 = ((REG1 << 6) | REG1) & glm::uint32(0x0303030303030303);
+ REG2 = ((REG2 << 6) | REG2) & glm::uint32(0x0303030303030303);
+ REG3 = ((REG3 << 6) | REG3) & glm::uint32(0x0303030303030303);
+ REG4 = ((REG4 << 6) | REG4) & glm::uint32(0x0303030303030303);
+
+ REG1 = ((REG1 << 3) | REG1) & glm::uint32(0x1111111111111111);
+ REG2 = ((REG2 << 3) | REG2) & glm::uint32(0x1111111111111111);
+ REG3 = ((REG3 << 3) | REG3) & glm::uint32(0x1111111111111111);
+ REG4 = ((REG4 << 3) | REG4) & glm::uint32(0x1111111111111111);
+
+ return REG1 | (REG2 << 1) | (REG3 << 2) | (REG4 << 3);
+ }
+
+ template <>
+ GLM_FUNC_QUALIFIER glm::uint64 bitfieldInterleave(glm::uint16 x, glm::uint16 y, glm::uint16 z, glm::uint16 w)
+ {
+ glm::uint64 REG1(x);
+ glm::uint64 REG2(y);
+ glm::uint64 REG3(z);
+ glm::uint64 REG4(w);
+
+ REG1 = ((REG1 << 24) | REG1) & glm::uint64(0x000000FF000000FF);
+ REG2 = ((REG2 << 24) | REG2) & glm::uint64(0x000000FF000000FF);
+ REG3 = ((REG3 << 24) | REG3) & glm::uint64(0x000000FF000000FF);
+ REG4 = ((REG4 << 24) | REG4) & glm::uint64(0x000000FF000000FF);
+
+ REG1 = ((REG1 << 12) | REG1) & glm::uint64(0x000F000F000F000F);
+ REG2 = ((REG2 << 12) | REG2) & glm::uint64(0x000F000F000F000F);
+ REG3 = ((REG3 << 12) | REG3) & glm::uint64(0x000F000F000F000F);
+ REG4 = ((REG4 << 12) | REG4) & glm::uint64(0x000F000F000F000F);
+
+ REG1 = ((REG1 << 6) | REG1) & glm::uint64(0x0303030303030303);
+ REG2 = ((REG2 << 6) | REG2) & glm::uint64(0x0303030303030303);
+ REG3 = ((REG3 << 6) | REG3) & glm::uint64(0x0303030303030303);
+ REG4 = ((REG4 << 6) | REG4) & glm::uint64(0x0303030303030303);
+
+ REG1 = ((REG1 << 3) | REG1) & glm::uint64(0x1111111111111111);
+ REG2 = ((REG2 << 3) | REG2) & glm::uint64(0x1111111111111111);
+ REG3 = ((REG3 << 3) | REG3) & glm::uint64(0x1111111111111111);
+ REG4 = ((REG4 << 3) | REG4) & glm::uint64(0x1111111111111111);
+
+ return REG1 | (REG2 << 1) | (REG3 << 2) | (REG4 << 3);
+ }
+}//namespace detail
+
+ template <typename genIUType>
+ GLM_FUNC_QUALIFIER genIUType mask(genIUType Bits)
+ {
+ GLM_STATIC_ASSERT(std::numeric_limits<genIUType>::is_integer, "'mask' accepts only integer values");
+
+ return Bits >= sizeof(genIUType) * 8 ? ~static_cast<genIUType>(0) : (static_cast<genIUType>(1) << Bits) - static_cast<genIUType>(1);
+ }
+
+ template <typename T, precision P, template <typename, precision> class vecIUType>
+ GLM_FUNC_QUALIFIER vecIUType<T, P> mask(vecIUType<T, P> const & v)
+ {
+ GLM_STATIC_ASSERT(std::numeric_limits<T>::is_integer, "'mask' accepts only integer values");
+
+ return detail::functor1<T, T, P, vecIUType>::call(mask, v);
+ }
+
+ template <typename genIType>
+ GLM_FUNC_QUALIFIER genIType bitfieldRotateRight(genIType In, int Shift)
+ {
+ GLM_STATIC_ASSERT(std::numeric_limits<genIType>::is_integer, "'bitfieldRotateRight' accepts only integer values");
+
+ int const BitSize = static_cast<genIType>(sizeof(genIType) * 8);
+ return (In << static_cast<genIType>(Shift)) | (In >> static_cast<genIType>(BitSize - Shift));
+ }
+
+ template <typename T, precision P, template <typename, precision> class vecType>
+ GLM_FUNC_QUALIFIER vecType<T, P> bitfieldRotateRight(vecType<T, P> const & In, int Shift)
+ {
+ GLM_STATIC_ASSERT(std::numeric_limits<T>::is_integer, "'bitfieldRotateRight' accepts only integer values");
+
+ int const BitSize = static_cast<int>(sizeof(T) * 8);
+ return (In << static_cast<T>(Shift)) | (In >> static_cast<T>(BitSize - Shift));
+ }
+
+ template <typename genIType>
+ GLM_FUNC_QUALIFIER genIType bitfieldRotateLeft(genIType In, int Shift)
+ {
+ GLM_STATIC_ASSERT(std::numeric_limits<genIType>::is_integer, "'bitfieldRotateLeft' accepts only integer values");
+
+ int const BitSize = static_cast<genIType>(sizeof(genIType) * 8);
+ return (In >> static_cast<genIType>(Shift)) | (In << static_cast<genIType>(BitSize - Shift));
+ }
+
+ template <typename T, precision P, template <typename, precision> class vecType>
+ GLM_FUNC_QUALIFIER vecType<T, P> bitfieldRotateLeft(vecType<T, P> const & In, int Shift)
+ {
+ GLM_STATIC_ASSERT(std::numeric_limits<T>::is_integer, "'bitfieldRotateLeft' accepts only integer values");
+
+ int const BitSize = static_cast<int>(sizeof(T) * 8);
+ return (In >> static_cast<T>(Shift)) | (In << static_cast<T>(BitSize - Shift));
+ }
+
+ template <typename genIUType>
+ GLM_FUNC_QUALIFIER genIUType bitfieldFillOne(genIUType Value, int FirstBit, int BitCount)
+ {
+ return Value | static_cast<genIUType>(mask(BitCount) << FirstBit);
+ }
+
+ template <typename T, precision P, template <typename, precision> class vecType>
+ GLM_FUNC_QUALIFIER vecType<T, P> bitfieldFillOne(vecType<T, P> const & Value, int FirstBit, int BitCount)
+ {
+ return Value | static_cast<T>(mask(BitCount) << FirstBit);
+ }
+
+ template <typename genIUType>
+ GLM_FUNC_QUALIFIER genIUType bitfieldFillZero(genIUType Value, int FirstBit, int BitCount)
+ {
+ return Value & static_cast<genIUType>(~(mask(BitCount) << FirstBit));
+ }
+
+ template <typename T, precision P, template <typename, precision> class vecType>
+ GLM_FUNC_QUALIFIER vecType<T, P> bitfieldFillZero(vecType<T, P> const & Value, int FirstBit, int BitCount)
+ {
+ return Value & static_cast<T>(~(mask(BitCount) << FirstBit));
+ }
+
+ GLM_FUNC_QUALIFIER int16 bitfieldInterleave(int8 x, int8 y)
+ {
+ union sign8
+ {
+ int8 i;
+ uint8 u;
+ } sign_x, sign_y;
+
+ union sign16
+ {
+ int16 i;
+ uint16 u;
+ } result;
+
+ sign_x.i = x;
+ sign_y.i = y;
+ result.u = bitfieldInterleave(sign_x.u, sign_y.u);
+
+ return result.i;
+ }
+
+ GLM_FUNC_QUALIFIER uint16 bitfieldInterleave(uint8 x, uint8 y)
+ {
+ return detail::bitfieldInterleave<uint8, uint16>(x, y);
+ }
+
+ GLM_FUNC_QUALIFIER int32 bitfieldInterleave(int16 x, int16 y)
+ {
+ union sign16
+ {
+ int16 i;
+ uint16 u;
+ } sign_x, sign_y;
+
+ union sign32
+ {
+ int32 i;
+ uint32 u;
+ } result;
+
+ sign_x.i = x;
+ sign_y.i = y;
+ result.u = bitfieldInterleave(sign_x.u, sign_y.u);
+
+ return result.i;
+ }
+
+ GLM_FUNC_QUALIFIER uint32 bitfieldInterleave(uint16 x, uint16 y)
+ {
+ return detail::bitfieldInterleave<uint16, uint32>(x, y);
+ }
+
+ GLM_FUNC_QUALIFIER int64 bitfieldInterleave(int32 x, int32 y)
+ {
+ union sign32
+ {
+ int32 i;
+ uint32 u;
+ } sign_x, sign_y;
+
+ union sign64
+ {
+ int64 i;
+ uint64 u;
+ } result;
+
+ sign_x.i = x;
+ sign_y.i = y;
+ result.u = bitfieldInterleave(sign_x.u, sign_y.u);
+
+ return result.i;
+ }
+
+ GLM_FUNC_QUALIFIER uint64 bitfieldInterleave(uint32 x, uint32 y)
+ {
+ return detail::bitfieldInterleave<uint32, uint64>(x, y);
+ }
+
+ GLM_FUNC_QUALIFIER int32 bitfieldInterleave(int8 x, int8 y, int8 z)
+ {
+ union sign8
+ {
+ int8 i;
+ uint8 u;
+ } sign_x, sign_y, sign_z;
+
+ union sign32
+ {
+ int32 i;
+ uint32 u;
+ } result;
+
+ sign_x.i = x;
+ sign_y.i = y;
+ sign_z.i = z;
+ result.u = bitfieldInterleave(sign_x.u, sign_y.u, sign_z.u);
+
+ return result.i;
+ }
+
+ GLM_FUNC_QUALIFIER uint32 bitfieldInterleave(uint8 x, uint8 y, uint8 z)
+ {
+ return detail::bitfieldInterleave<uint8, uint32>(x, y, z);
+ }
+
+ GLM_FUNC_QUALIFIER int64 bitfieldInterleave(int16 x, int16 y, int16 z)
+ {
+ union sign16
+ {
+ int16 i;
+ uint16 u;
+ } sign_x, sign_y, sign_z;
+
+ union sign64
+ {
+ int64 i;
+ uint64 u;
+ } result;
+
+ sign_x.i = x;
+ sign_y.i = y;
+ sign_z.i = z;
+ result.u = bitfieldInterleave(sign_x.u, sign_y.u, sign_z.u);
+
+ return result.i;
+ }
+
+ GLM_FUNC_QUALIFIER uint64 bitfieldInterleave(uint16 x, uint16 y, uint16 z)
+ {
+ return detail::bitfieldInterleave<uint32, uint64>(x, y, z);
+ }
+
+ GLM_FUNC_QUALIFIER int64 bitfieldInterleave(int32 x, int32 y, int32 z)
+ {
+ union sign16
+ {
+ int32 i;
+ uint32 u;
+ } sign_x, sign_y, sign_z;
+
+ union sign64
+ {
+ int64 i;
+ uint64 u;
+ } result;
+
+ sign_x.i = x;
+ sign_y.i = y;
+ sign_z.i = z;
+ result.u = bitfieldInterleave(sign_x.u, sign_y.u, sign_z.u);
+
+ return result.i;
+ }
+
+ GLM_FUNC_QUALIFIER uint64 bitfieldInterleave(uint32 x, uint32 y, uint32 z)
+ {
+ return detail::bitfieldInterleave<uint32, uint64>(x, y, z);
+ }
+
+ GLM_FUNC_QUALIFIER int32 bitfieldInterleave(int8 x, int8 y, int8 z, int8 w)
+ {
+ union sign8
+ {
+ int8 i;
+ uint8 u;
+ } sign_x, sign_y, sign_z, sign_w;
+
+ union sign32
+ {
+ int32 i;
+ uint32 u;
+ } result;
+
+ sign_x.i = x;
+ sign_y.i = y;
+ sign_z.i = z;
+ sign_w.i = w;
+ result.u = bitfieldInterleave(sign_x.u, sign_y.u, sign_z.u, sign_w.u);
+
+ return result.i;
+ }
+
+ GLM_FUNC_QUALIFIER uint32 bitfieldInterleave(uint8 x, uint8 y, uint8 z, uint8 w)
+ {
+ return detail::bitfieldInterleave<uint8, uint32>(x, y, z, w);
+ }
+
+ GLM_FUNC_QUALIFIER int64 bitfieldInterleave(int16 x, int16 y, int16 z, int16 w)
+ {
+ union sign16
+ {
+ int16 i;
+ uint16 u;
+ } sign_x, sign_y, sign_z, sign_w;
+
+ union sign64
+ {
+ int64 i;
+ uint64 u;
+ } result;
+
+ sign_x.i = x;
+ sign_y.i = y;
+ sign_z.i = z;
+ sign_w.i = w;
+ result.u = bitfieldInterleave(sign_x.u, sign_y.u, sign_z.u, sign_w.u);
+
+ return result.i;
+ }
+
+ GLM_FUNC_QUALIFIER uint64 bitfieldInterleave(uint16 x, uint16 y, uint16 z, uint16 w)
+ {
+ return detail::bitfieldInterleave<uint16, uint64>(x, y, z, w);
+ }
+}//namespace glm
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