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///////////////////////////////////////////////////////////////////////////////////
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/// OpenGL Mathematics (glm.g-truc.net)
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///
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/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
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/// Permission is hereby granted, free of charge, to any person obtaining a copy
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/// of this software and associated documentation files (the "Software"), to deal
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/// in the Software without restriction, including without limitation the rights
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/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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/// copies of the Software, and to permit persons to whom the Software is
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/// furnished to do so, subject to the following conditions:
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///
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/// The above copyright notice and this permission notice shall be included in
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/// all copies or substantial portions of the Software.
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///
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/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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/// THE SOFTWARE.
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///
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/// @ref gtc_packing
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/// @file glm/gtc/packing.hpp
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/// @date 2013-08-08 / 2013-08-08
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/// @author Christophe Riccio
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///
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/// @see core (dependence)
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///
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/// @defgroup gtc_packing GLM_GTC_packing
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/// @ingroup gtc
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///
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/// @brief This extension provides a set of function to convert vertors to packed
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/// formats.
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///
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/// <glm/gtc/packing.hpp> need to be included to use these features.
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///////////////////////////////////////////////////////////////////////////////////
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#ifndef GLM_GTC_packing |
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#define GLM_GTC_packing GLM_VERSION |
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// Dependency:
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#include "../glm.hpp" |
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#if(defined(GLM_MESSAGES) && !defined(glm_ext)) |
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# pragma message("GLM: GLM_GTC_packing extension included") |
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#endif |
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namespace glm |
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{ |
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/// @addtogroup gtc_packing
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/// @{
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uint16 packUnorm1x16(float v); |
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float unpackUnorm1x16(uint16 v); |
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uint64 packUnorm4x16(vec4 const & v); |
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vec4 unpackUnorm4x16(uint64 const & v); |
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uint16 packSnorm1x16(float v); |
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float unpackSnorm1x16(uint16 v); |
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uint64 packSnorm4x16(vec4 const & v); |
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vec4 unpackSnorm4x16(uint64 const & v); |
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uint16 packUnorm2x8(vec2 const & v); |
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vec2 unpackUnorm2x8(uint16 v); |
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uint16 packSnorm2x8(vec2 const & v); |
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vec2 unpackSnorm2x8(uint16 v); |
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GLM_FUNC_DECL uint16 packHalf1x16(float const & v); |
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GLM_FUNC_DECL float unpackHalf1x16(uint16 const & v); |
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/// Returns an unsigned integer obtained by converting the components of a two-component floating-point vector
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/// to the 16-bit floating-point representation found in the OpenGL Specification,
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/// and then packing these two 16- bit integers into a 32-bit unsigned integer.
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/// The first vector component specifies the 16 least-significant bits of the result;
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/// the second component specifies the 16 most-significant bits.
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///
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/// @see gtc_packing
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/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/packHalf2x16.xml">GLSL packHalf2x16 man page</a>
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/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.4 Floating-Point Pack and Unpack Functions</a>
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GLM_FUNC_DECL uint64 packHalf4x16(vec4 const & v); |
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/// Returns a two-component floating-point vector with components obtained by unpacking a 32-bit unsigned integer into a pair of 16-bit values,
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/// interpreting those values as 16-bit floating-point numbers according to the OpenGL Specification,
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/// and converting them to 32-bit floating-point values.
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/// The first component of the vector is obtained from the 16 least-significant bits of v;
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/// the second component is obtained from the 16 most-significant bits of v.
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///
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/// @see gtc_packing
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/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/unpackHalf2x16.xml">GLSL unpackHalf2x16 man page</a>
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/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.4 Floating-Point Pack and Unpack Functions</a>
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GLM_FUNC_DECL vec4 unpackHalf4x16(uint64 const & v); |
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GLM_FUNC_DECL uint32 packSnorm3x10Snorm1x2(vec4 const & v); |
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GLM_FUNC_DECL vec4 unpackSnorm3x10Snorm1x2(uint32 const & v); |
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GLM_FUNC_DECL uint32 packI3x10I1x2(ivec4 const & v); |
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GLM_FUNC_DECL ivec4 unpackI3x10I1x2(uint32 const & v); |
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GLM_FUNC_DECL uint32 packU3x10U1x2(uvec4 const & v); |
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GLM_FUNC_DECL uvec4 unpackU3x10U1x2(uint32 const & v); |
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GLM_FUNC_DECL uint32 packF11F11F10(vec3 const & v); |
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GLM_FUNC_DECL vec3 unpackF11F11F10(uint32 const & v); |
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/// @}
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}// namespace glm
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#include "packing.inl" |
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#endif//GLM_GTC_packing
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@ -0,0 +1,32 @@ |
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/////////////////////////////////////////////////////////////////////////////////// |
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/// OpenGL Mathematics (glm.g-truc.net) |
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/// |
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/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net) |
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/// Permission is hereby granted, free of charge, to any person obtaining a copy |
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/// of this software and associated documentation files (the "Software"), to deal |
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/// in the Software without restriction, including without limitation the rights |
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/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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/// copies of the Software, and to permit persons to whom the Software is |
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/// furnished to do so, subject to the following conditions: |
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/// |
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/// The above copyright notice and this permission notice shall be included in |
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/// all copies or substantial portions of the Software. |
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/// |
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/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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/// THE SOFTWARE. |
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/// |
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/// @ref gtc_packing |
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/// @file glm/gtc/packing.inl |
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/// @date 2013-08-08 / 2013-08-08 |
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/// @author Christophe Riccio |
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/////////////////////////////////////////////////////////////////////////////////// |
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namespace glm |
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{ |
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}//namespace glm |
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