organicmaps/glm
13
Fork 0
mirror of https://github.com/g-truc/glm.git synced 2025-04-06 14:05:01 +00:00
Code Issues 1 Projects Releases Wiki Activity Actions

Added missing declaration

Browse source
This commit is contained in:
Christophe Riccio 2011-09-13 16:21:48 +01:00
parent 132ed9aa0e
commit 7455b4f451
1 changed files with 14 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
glm/core/func_packing.hpp
View file

@ -58,7 +58,7 @@ namespace glm
//! Then, the results are packed into the returned 32-bit unsigned integer.
//!
//! The conversion for component c of v to fixed point is done as follows:
//! packSnorm2x16: round(clamp(c, 0, +1) * 65535.0)
//! packSnorm2x16: round(clamp(v, -1, +1) * 32767.0)
//!
//! The first component of the vector will be written to the least significant bits of the output;
//! the last component will be written to the most significant bits.
@ -106,6 +106,19 @@ namespace glm
/// @see - <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.4</a>
detail::tvec2<detail::float32> unpackUnorm2x16(detail::uint32 const & p);
//! First, unpacks a single 32-bit unsigned integer p into a pair of 16-bit unsigned integers, four 8-bit unsigned integers, or four 8-bit signed integers.
//! Then, each component is converted to a normalized floating-point value to generate the returned two- or four-component vector.
//!
//! The conversion for unpacked fixed-point value f to floating point is done as follows:
//! unpackSnorm2x16: clamp(f / 32767.0, -1, +1)
//!
//! The first component of the returned vector will be extracted from the least significant bits of the input;
//! the last component will be extracted from the most significant bits.
//!
/// @see - <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/unpackSnorm2x16.xml">GLSL unpackSnorm2x16 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</a>
detail::tvec2<detail::float32> unpackSnorm2x16(detail::uint32 const & p);
/// First, unpacks a single 32-bit unsigned integer p into a pair of 16-bit unsigned integers, four 8-bit unsigned integers, or four 8-bit signed integers.
/// Then, each component is converted to a normalized floating-point value to generate the returned two- or four-component vector.
///