Added declaration for new GTC_packing extension

glm/gtc/packing.hpp

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+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 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.
+/// 
+/// 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_packing
+/// @file glm/gtc/packing.hpp
+/// @date 2013-08-08 / 2013-08-08
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+///
+/// @defgroup gtc_packing GLM_GTC_packing
+/// @ingroup gtc
+/// 
+/// @brief This extension provides a set of function to convert vertors to packed
+/// formats.
+/// 
+/// <glm/gtc/packing.hpp> need to be included to use these features.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTC_packing
+#define GLM_GTC_packing GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTC_packing extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtc_packing
+	/// @{
+
+	uint16 packUnorm1x16(float v);
+	float unpackUnorm1x16(uint16 v);
+
+	uint64 packUnorm4x16(vec4 const & v);
+	vec4 unpackUnorm4x16(uint64 const & v);
+
+	uint16 packSnorm1x16(float v);
+	float unpackSnorm1x16(uint16 v);
+
+	uint64 packSnorm4x16(vec4 const & v);
+	vec4 unpackSnorm4x16(uint64 const & v);
+
+	uint16 packUnorm2x8(vec2 const & v);
+	vec2 unpackUnorm2x8(uint16 v);
+
+	uint16 packSnorm2x8(vec2 const & v);
+	vec2 unpackSnorm2x8(uint16 v);
+
+	GLM_FUNC_DECL uint16 packHalf1x16(float const & v);
+	GLM_FUNC_DECL float unpackHalf1x16(uint16 const & v);
+
+	/// Returns an unsigned integer obtained by converting the components of a two-component floating-point vector 
+	/// to the 16-bit floating-point representation found in the OpenGL Specification, 
+	/// and then packing these two 16- bit integers into a 32-bit unsigned integer.
+	/// The first vector component specifies the 16 least-significant bits of the result; 
+	/// the second component specifies the 16 most-significant bits.
+	/// 
+	/// @see gtc_packing
+	/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/packHalf2x16.xml">GLSL packHalf2x16 man page</a>
+	/// @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>
+	GLM_FUNC_DECL uint64 packHalf4x16(vec4 const & v);
+	
+	/// Returns a two-component floating-point vector with components obtained by unpacking a 32-bit unsigned integer into a pair of 16-bit values, 
+	/// interpreting those values as 16-bit floating-point numbers according to the OpenGL Specification, 
+	/// and converting them to 32-bit floating-point values.
+	/// The first component of the vector is obtained from the 16 least-significant bits of v; 
+	/// the second component is obtained from the 16 most-significant bits of v.
+	/// 
+	/// @see gtc_packing
+	/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/unpackHalf2x16.xml">GLSL unpackHalf2x16 man page</a>
+	/// @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>
+	GLM_FUNC_DECL vec4 unpackHalf4x16(uint64 const & v);
+	
+	GLM_FUNC_DECL uint32 packSnorm3x10Snorm1x2(vec4 const & v);
+	GLM_FUNC_DECL vec4 unpackSnorm3x10Snorm1x2(uint32 const & v);
+
+	GLM_FUNC_DECL uint32 packI3x10I1x2(ivec4 const & v);
+	GLM_FUNC_DECL ivec4 unpackI3x10I1x2(uint32 const & v);
+
+	GLM_FUNC_DECL uint32 packU3x10U1x2(uvec4 const & v);
+	GLM_FUNC_DECL uvec4 unpackU3x10U1x2(uint32 const & v);
+
+	GLM_FUNC_DECL uint32 packF11F11F10(vec3 const & v);
+	GLM_FUNC_DECL vec3 unpackF11F11F10(uint32 const & v);
+
+	/// @}
+}// namespace glm
+
+#include "packing.inl"
+
+#endif//GLM_GTC_packing
+

glm/gtc/packing.inl

@@ -0,0 +1,32 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 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.
+/// 
+/// 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_packing
+/// @file glm/gtc/packing.inl
+/// @date 2013-08-08 / 2013-08-08
+/// @author Christophe Riccio
+///////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+
+}//namespace glm