diff options
Diffstat (limited to 'depedencies/include/glm/gtc/packing.hpp')
| -rw-r--r-- | depedencies/include/glm/gtc/packing.hpp | 579 |
1 files changed, 0 insertions, 579 deletions
diff --git a/depedencies/include/glm/gtc/packing.hpp b/depedencies/include/glm/gtc/packing.hpp deleted file mode 100644 index 1389d95..0000000 --- a/depedencies/include/glm/gtc/packing.hpp +++ /dev/null @@ -1,579 +0,0 @@ -/// @ref gtc_packing -/// @file glm/gtc/packing.hpp -/// -/// @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. - -#pragma once - -// Dependency: -#include "type_precision.hpp" - -#if GLM_MESSAGES == GLM_MESSAGES_ENABLED && !defined(GLM_EXT_INCLUDED) -# pragma message("GLM: GLM_GTC_packing extension included") -#endif - -namespace glm -{ - /// @addtogroup gtc_packing - /// @{ - - /// First, converts the normalized floating-point value v into a 8-bit integer value. - /// Then, the results are packed into the returned 8-bit unsigned integer. - /// - /// The conversion for component c of v to fixed point is done as follows: - /// packUnorm1x8: round(clamp(c, 0, +1) * 255.0) - /// - /// @see gtc_packing - /// @see uint16 packUnorm2x8(vec2 const & v) - /// @see uint32 packUnorm4x8(vec4 const & v) - /// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/packUnorm4x8.xml">GLSL packUnorm4x8 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 uint8 packUnorm1x8(float v); - - /// Convert a single 8-bit integer to a normalized floating-point value. - /// - /// The conversion for unpacked fixed-point value f to floating point is done as follows: - /// unpackUnorm4x8: f / 255.0 - /// - /// @see gtc_packing - /// @see vec2 unpackUnorm2x8(uint16 p) - /// @see vec4 unpackUnorm4x8(uint32 p) - /// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/unpackUnorm4x8.xml">GLSL unpackUnorm4x8 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 float unpackUnorm1x8(uint8 p); - - /// First, converts each component of the normalized floating-point value v into 8-bit integer values. - /// Then, the results are packed into the returned 16-bit unsigned integer. - /// - /// The conversion for component c of v to fixed point is done as follows: - /// packUnorm2x8: round(clamp(c, 0, +1) * 255.0) - /// - /// 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. - /// - /// @see gtc_packing - /// @see uint8 packUnorm1x8(float const & v) - /// @see uint32 packUnorm4x8(vec4 const & v) - /// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/packUnorm4x8.xml">GLSL packUnorm4x8 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 uint16 packUnorm2x8(vec2 const & v); - - /// First, unpacks a single 16-bit unsigned integer p into a pair of 8-bit unsigned integers. - /// Then, each component is converted to a normalized floating-point value to generate the returned two-component vector. - /// - /// The conversion for unpacked fixed-point value f to floating point is done as follows: - /// unpackUnorm4x8: f / 255.0 - /// - /// 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 gtc_packing - /// @see float unpackUnorm1x8(uint8 v) - /// @see vec4 unpackUnorm4x8(uint32 p) - /// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/unpackUnorm4x8.xml">GLSL unpackUnorm4x8 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 vec2 unpackUnorm2x8(uint16 p); - - /// First, converts the normalized floating-point value v into 8-bit integer value. - /// Then, the results are packed into the returned 8-bit unsigned integer. - /// - /// The conversion to fixed point is done as follows: - /// packSnorm1x8: round(clamp(s, -1, +1) * 127.0) - /// - /// @see gtc_packing - /// @see uint16 packSnorm2x8(vec2 const & v) - /// @see uint32 packSnorm4x8(vec4 const & v) - /// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/packSnorm4x8.xml">GLSL packSnorm4x8 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 uint8 packSnorm1x8(float s); - - /// First, unpacks a single 8-bit unsigned integer p into a single 8-bit signed integers. - /// Then, the value is converted to a normalized floating-point value to generate the returned scalar. - /// - /// The conversion for unpacked fixed-point value f to floating point is done as follows: - /// unpackSnorm1x8: clamp(f / 127.0, -1, +1) - /// - /// @see gtc_packing - /// @see vec2 unpackSnorm2x8(uint16 p) - /// @see vec4 unpackSnorm4x8(uint32 p) - /// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/unpackSnorm4x8.xml">GLSL unpackSnorm4x8 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 float unpackSnorm1x8(uint8 p); - - /// First, converts each component of the normalized floating-point value v into 8-bit integer values. - /// Then, the results are packed into the returned 16-bit unsigned integer. - /// - /// The conversion for component c of v to fixed point is done as follows: - /// packSnorm2x8: round(clamp(c, -1, +1) * 127.0) - /// - /// 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. - /// - /// @see gtc_packing - /// @see uint8 packSnorm1x8(float const & v) - /// @see uint32 packSnorm4x8(vec4 const & v) - /// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/packSnorm4x8.xml">GLSL packSnorm4x8 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 uint16 packSnorm2x8(vec2 const & v); - - /// First, unpacks a single 16-bit unsigned integer p into a pair of 8-bit signed integers. - /// Then, each component is converted to a normalized floating-point value to generate the returned two-component vector. - /// - /// The conversion for unpacked fixed-point value f to floating point is done as follows: - /// unpackSnorm2x8: clamp(f / 127.0, -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 gtc_packing - /// @see float unpackSnorm1x8(uint8 p) - /// @see vec4 unpackSnorm4x8(uint32 p) - /// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/unpackSnorm4x8.xml">GLSL unpackSnorm4x8 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 vec2 unpackSnorm2x8(uint16 p); - - /// First, converts the normalized floating-point value v into a 16-bit integer value. - /// Then, the results are packed into the returned 16-bit unsigned integer. - /// - /// The conversion for component c of v to fixed point is done as follows: - /// packUnorm1x16: round(clamp(c, 0, +1) * 65535.0) - /// - /// @see gtc_packing - /// @see uint16 packSnorm1x16(float const & v) - /// @see uint64 packSnorm4x16(vec4 const & v) - /// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/packUnorm4x8.xml">GLSL packUnorm4x8 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 uint16 packUnorm1x16(float v); - - /// First, unpacks a single 16-bit unsigned integer p into a of 16-bit unsigned integers. - /// Then, the value is converted to a normalized floating-point value to generate the returned scalar. - /// - /// The conversion for unpacked fixed-point value f to floating point is done as follows: - /// unpackUnorm1x16: f / 65535.0 - /// - /// @see gtc_packing - /// @see vec2 unpackUnorm2x16(uint32 p) - /// @see vec4 unpackUnorm4x16(uint64 p) - /// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/unpackUnorm2x16.xml">GLSL unpackUnorm2x16 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 float unpackUnorm1x16(uint16 p); - - /// First, converts each component of the normalized floating-point value v into 16-bit integer values. - /// Then, the results are packed into the returned 64-bit unsigned integer. - /// - /// The conversion for component c of v to fixed point is done as follows: - /// packUnorm4x16: round(clamp(c, 0, +1) * 65535.0) - /// - /// 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. - /// - /// @see gtc_packing - /// @see uint16 packUnorm1x16(float const & v) - /// @see uint32 packUnorm2x16(vec2 const & v) - /// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/packUnorm4x8.xml">GLSL packUnorm4x8 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 packUnorm4x16(vec4 const & v); - - /// First, unpacks a single 64-bit unsigned integer p into four 16-bit unsigned integers. - /// Then, each component is converted to a normalized floating-point value to generate the returned four-component vector. - /// - /// The conversion for unpacked fixed-point value f to floating point is done as follows: - /// unpackUnormx4x16: f / 65535.0 - /// - /// 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 gtc_packing - /// @see float unpackUnorm1x16(uint16 p) - /// @see vec2 unpackUnorm2x16(uint32 p) - /// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/unpackUnorm2x16.xml">GLSL unpackUnorm2x16 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 unpackUnorm4x16(uint64 p); - - /// First, converts the normalized floating-point value v into 16-bit integer value. - /// Then, the results are packed into the returned 16-bit unsigned integer. - /// - /// The conversion to fixed point is done as follows: - /// packSnorm1x8: round(clamp(s, -1, +1) * 32767.0) - /// - /// @see gtc_packing - /// @see uint32 packSnorm2x16(vec2 const & v) - /// @see uint64 packSnorm4x16(vec4 const & v) - /// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/packSnorm4x8.xml">GLSL packSnorm4x8 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 uint16 packSnorm1x16(float v); - - /// First, unpacks a single 16-bit unsigned integer p into a single 16-bit signed integers. - /// Then, each component is converted to a normalized floating-point value to generate the returned scalar. - /// - /// The conversion for unpacked fixed-point value f to floating point is done as follows: - /// unpackSnorm1x16: clamp(f / 32767.0, -1, +1) - /// - /// @see gtc_packing - /// @see vec2 unpackSnorm2x16(uint32 p) - /// @see vec4 unpackSnorm4x16(uint64 p) - /// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/unpackSnorm1x16.xml">GLSL unpackSnorm4x8 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 float unpackSnorm1x16(uint16 p); - - /// First, converts each component of the normalized floating-point value v into 16-bit integer values. - /// Then, the results are packed into the returned 64-bit unsigned integer. - /// - /// The conversion for component c of v to fixed point is done as follows: - /// packSnorm2x8: round(clamp(c, -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. - /// - /// @see gtc_packing - /// @see uint16 packSnorm1x16(float const & v) - /// @see uint32 packSnorm2x16(vec2 const & v) - /// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/packSnorm4x8.xml">GLSL packSnorm4x8 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 packSnorm4x16(vec4 const & v); - - /// First, unpacks a single 64-bit unsigned integer p into four 16-bit signed integers. - /// Then, each component is converted to a normalized floating-point value to generate the returned four-component vector. - /// - /// The conversion for unpacked fixed-point value f to floating point is done as follows: - /// unpackSnorm4x16: 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 gtc_packing - /// @see float unpackSnorm1x16(uint16 p) - /// @see vec2 unpackSnorm2x16(uint32 p) - /// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/unpackSnorm2x16.xml">GLSL unpackSnorm4x8 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 unpackSnorm4x16(uint64 p); - - /// Returns an unsigned integer obtained by converting the components of a floating-point scalar - /// to the 16-bit floating-point representation found in the OpenGL Specification, - /// and then packing this 16-bit value into a 16-bit unsigned integer. - /// - /// @see gtc_packing - /// @see uint32 packHalf2x16(vec2 const & v) - /// @see uint64 packHalf4x16(vec4 const & v) - /// @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 uint16 packHalf1x16(float v); - - /// Returns a floating-point scalar with components obtained by unpacking a 16-bit unsigned integer into a 16-bit value, - /// interpreted as a 16-bit floating-point number according to the OpenGL Specification, - /// and converting it to 32-bit floating-point values. - /// - /// @see gtc_packing - /// @see vec2 unpackHalf2x16(uint32 const & v) - /// @see vec4 unpackHalf4x16(uint64 const & v) - /// @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 float unpackHalf1x16(uint16 v); - - /// Returns an unsigned integer obtained by converting the components of a four-component floating-point vector - /// to the 16-bit floating-point representation found in the OpenGL Specification, - /// and then packing these four 16-bit values into a 64-bit unsigned integer. - /// The first vector component specifies the 16 least-significant bits of the result; - /// the forth component specifies the 16 most-significant bits. - /// - /// @see gtc_packing - /// @see uint16 packHalf1x16(float const & v) - /// @see uint32 packHalf2x16(vec2 const & v) - /// @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 four-component floating-point vector with components obtained by unpacking a 64-bit unsigned integer into four 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 forth component is obtained from the 16 most-significant bits of v. - /// - /// @see gtc_packing - /// @see float unpackHalf1x16(uint16 const & v) - /// @see vec2 unpackHalf2x16(uint32 const & v) - /// @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 p); - - /// Returns an unsigned integer obtained by converting the components of a four-component signed integer vector - /// to the 10-10-10-2-bit signed integer representation found in the OpenGL Specification, - /// and then packing these four values into a 32-bit unsigned integer. - /// The first vector component specifies the 10 least-significant bits of the result; - /// the forth component specifies the 2 most-significant bits. - /// - /// @see gtc_packing - /// @see uint32 packI3x10_1x2(uvec4 const & v) - /// @see uint32 packSnorm3x10_1x2(vec4 const & v) - /// @see uint32 packUnorm3x10_1x2(vec4 const & v) - /// @see ivec4 unpackI3x10_1x2(uint32 const & p) - GLM_FUNC_DECL uint32 packI3x10_1x2(ivec4 const & v); - - /// Unpacks a single 32-bit unsigned integer p into three 10-bit and one 2-bit signed integers. - /// - /// 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 gtc_packing - /// @see uint32 packU3x10_1x2(uvec4 const & v) - /// @see vec4 unpackSnorm3x10_1x2(uint32 const & p); - /// @see uvec4 unpackI3x10_1x2(uint32 const & p); - GLM_FUNC_DECL ivec4 unpackI3x10_1x2(uint32 p); - - /// Returns an unsigned integer obtained by converting the components of a four-component unsigned integer vector - /// to the 10-10-10-2-bit unsigned integer representation found in the OpenGL Specification, - /// and then packing these four values into a 32-bit unsigned integer. - /// The first vector component specifies the 10 least-significant bits of the result; - /// the forth component specifies the 2 most-significant bits. - /// - /// @see gtc_packing - /// @see uint32 packI3x10_1x2(ivec4 const & v) - /// @see uint32 packSnorm3x10_1x2(vec4 const & v) - /// @see uint32 packUnorm3x10_1x2(vec4 const & v) - /// @see ivec4 unpackU3x10_1x2(uint32 const & p) - GLM_FUNC_DECL uint32 packU3x10_1x2(uvec4 const & v); - - /// Unpacks a single 32-bit unsigned integer p into three 10-bit and one 2-bit unsigned integers. - /// - /// 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 gtc_packing - /// @see uint32 packU3x10_1x2(uvec4 const & v) - /// @see vec4 unpackSnorm3x10_1x2(uint32 const & p); - /// @see uvec4 unpackI3x10_1x2(uint32 const & p); - GLM_FUNC_DECL uvec4 unpackU3x10_1x2(uint32 p); - - /// First, converts the first three components of the normalized floating-point value v into 10-bit signed integer values. - /// Then, converts the forth component of the normalized floating-point value v into 2-bit signed integer values. - /// 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: - /// packSnorm3x10_1x2(xyz): round(clamp(c, -1, +1) * 511.0) - /// packSnorm3x10_1x2(w): round(clamp(c, -1, +1) * 1.0) - /// - /// The first vector component specifies the 10 least-significant bits of the result; - /// the forth component specifies the 2 most-significant bits. - /// - /// @see gtc_packing - /// @see vec4 unpackSnorm3x10_1x2(uint32 const & p) - /// @see uint32 packUnorm3x10_1x2(vec4 const & v) - /// @see uint32 packU3x10_1x2(uvec4 const & v) - /// @see uint32 packI3x10_1x2(ivec4 const & v) - GLM_FUNC_DECL uint32 packSnorm3x10_1x2(vec4 const & v); - - /// First, unpacks a single 32-bit unsigned integer p into four 16-bit signed integers. - /// Then, each component is converted to a normalized floating-point value to generate the returned four-component vector. - /// - /// The conversion for unpacked fixed-point value f to floating point is done as follows: - /// unpackSnorm3x10_1x2(xyz): clamp(f / 511.0, -1, +1) - /// unpackSnorm3x10_1x2(w): clamp(f / 511.0, -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 gtc_packing - /// @see uint32 packSnorm3x10_1x2(vec4 const & v) - /// @see vec4 unpackUnorm3x10_1x2(uint32 const & p)) - /// @see uvec4 unpackI3x10_1x2(uint32 const & p) - /// @see uvec4 unpackU3x10_1x2(uint32 const & p) - GLM_FUNC_DECL vec4 unpackSnorm3x10_1x2(uint32 p); - - /// First, converts the first three components of the normalized floating-point value v into 10-bit unsigned integer values. - /// Then, converts the forth component of the normalized floating-point value v into 2-bit signed uninteger values. - /// 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: - /// packUnorm3x10_1x2(xyz): round(clamp(c, 0, +1) * 1023.0) - /// packUnorm3x10_1x2(w): round(clamp(c, 0, +1) * 3.0) - /// - /// The first vector component specifies the 10 least-significant bits of the result; - /// the forth component specifies the 2 most-significant bits. - /// - /// @see gtc_packing - /// @see vec4 unpackUnorm3x10_1x2(uint32 const & p) - /// @see uint32 packUnorm3x10_1x2(vec4 const & v) - /// @see uint32 packU3x10_1x2(uvec4 const & v) - /// @see uint32 packI3x10_1x2(ivec4 const & v) - GLM_FUNC_DECL uint32 packUnorm3x10_1x2(vec4 const & v); - - /// First, unpacks a single 32-bit unsigned integer p into four 16-bit signed integers. - /// Then, each component is converted to a normalized floating-point value to generate the returned four-component vector. - /// - /// The conversion for unpacked fixed-point value f to floating point is done as follows: - /// unpackSnorm3x10_1x2(xyz): clamp(f / 1023.0, 0, +1) - /// unpackSnorm3x10_1x2(w): clamp(f / 3.0, 0, +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 gtc_packing - /// @see uint32 packSnorm3x10_1x2(vec4 const & v) - /// @see vec4 unpackInorm3x10_1x2(uint32 const & p)) - /// @see uvec4 unpackI3x10_1x2(uint32 const & p) - /// @see uvec4 unpackU3x10_1x2(uint32 const & p) - GLM_FUNC_DECL vec4 unpackUnorm3x10_1x2(uint32 p); - - /// First, converts the first two components of the normalized floating-point value v into 11-bit signless floating-point values. - /// Then, converts the third component of the normalized floating-point value v into a 10-bit signless floating-point value. - /// Then, the results are packed into the returned 32-bit unsigned integer. - /// - /// The first vector component specifies the 11 least-significant bits of the result; - /// the last component specifies the 10 most-significant bits. - /// - /// @see gtc_packing - /// @see vec3 unpackF2x11_1x10(uint32 const & p) - GLM_FUNC_DECL uint32 packF2x11_1x10(vec3 const & v); - - /// First, unpacks a single 32-bit unsigned integer p into two 11-bit signless floating-point values and one 10-bit signless floating-point value . - /// Then, each component is converted to a normalized floating-point value to generate the returned three-component vector. - /// - /// 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 gtc_packing - /// @see uint32 packF2x11_1x10(vec3 const & v) - GLM_FUNC_DECL vec3 unpackF2x11_1x10(uint32 p); - - - /// First, converts the first two components of the normalized floating-point value v into 11-bit signless floating-point values. - /// Then, converts the third component of the normalized floating-point value v into a 10-bit signless floating-point value. - /// Then, the results are packed into the returned 32-bit unsigned integer. - /// - /// The first vector component specifies the 11 least-significant bits of the result; - /// the last component specifies the 10 most-significant bits. - /// - /// @see gtc_packing - /// @see vec3 unpackF3x9_E1x5(uint32 const & p) - GLM_FUNC_DECL uint32 packF3x9_E1x5(vec3 const & v); - - /// First, unpacks a single 32-bit unsigned integer p into two 11-bit signless floating-point values and one 10-bit signless floating-point value . - /// Then, each component is converted to a normalized floating-point value to generate the returned three-component vector. - /// - /// 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 gtc_packing - /// @see uint32 packF3x9_E1x5(vec3 const & v) - GLM_FUNC_DECL vec3 unpackF3x9_E1x5(uint32 p); - - /// Returns an unsigned integer vector obtained by converting the components of a floating-point vector - /// to the 16-bit floating-point representation found in the OpenGL Specification. - /// The first vector component specifies the 16 least-significant bits of the result; - /// the forth component specifies the 16 most-significant bits. - /// - /// @see gtc_packing - /// @see vecType<float, P> unpackHalf(vecType<uint16, P> const & p) - /// @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> - template <precision P, template <typename, precision> class vecType> - GLM_FUNC_DECL vecType<uint16, P> packHalf(vecType<float, P> const & v); - - /// Returns a floating-point vector with components obtained by reinterpreting an integer vector as 16-bit floating-point numbers 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 forth component is obtained from the 16 most-significant bits of v. - /// - /// @see gtc_packing - /// @see vecType<uint16, P> packHalf(vecType<float, P> const & v) - /// @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> - template <precision P, template <typename, precision> class vecType> - GLM_FUNC_DECL vecType<float, P> unpackHalf(vecType<uint16, P> const & p); - - /// Convert each component of the normalized floating-point vector into unsigned integer values. - /// - /// @see gtc_packing - /// @see vecType<floatType, P> unpackUnorm(vecType<intType, P> const & p); - template <typename uintType, typename floatType, precision P, template <typename, precision> class vecType> - GLM_FUNC_DECL vecType<uintType, P> packUnorm(vecType<floatType, P> const & v); - - /// Convert each unsigned integer components of a vector to normalized floating-point values. - /// - /// @see gtc_packing - /// @see vecType<intType, P> packUnorm(vecType<floatType, P> const & v) - template <typename uintType, typename floatType, precision P, template <typename, precision> class vecType> - GLM_FUNC_DECL vecType<floatType, P> unpackUnorm(vecType<uintType, P> const & v); - - /// Convert each component of the normalized floating-point vector into signed integer values. - /// - /// @see gtc_packing - /// @see vecType<floatType, P> unpackSnorm(vecType<intType, P> const & p); - template <typename intType, typename floatType, precision P, template <typename, precision> class vecType> - GLM_FUNC_DECL vecType<intType, P> packSnorm(vecType<floatType, P> const & v); - - /// Convert each signed integer components of a vector to normalized floating-point values. - /// - /// @see gtc_packing - /// @see vecType<intType, P> packSnorm(vecType<floatType, P> const & v) - template <typename intType, typename floatType, precision P, template <typename, precision> class vecType> - GLM_FUNC_DECL vecType<floatType, P> unpackSnorm(vecType<intType, P> const & v); - - /// Convert each component of the normalized floating-point vector into unsigned integer values. - /// - /// @see gtc_packing - /// @see vec2 unpackUnorm2x4(uint8 p) - GLM_FUNC_DECL uint8 packUnorm2x4(vec2 const & v); - - /// Convert each unsigned integer components of a vector to normalized floating-point values. - /// - /// @see gtc_packing - /// @see uint8 packUnorm2x4(vec2 const & v) - GLM_FUNC_DECL vec2 unpackUnorm2x4(uint8 p); - - /// Convert each component of the normalized floating-point vector into unsigned integer values. - /// - /// @see gtc_packing - /// @see vec4 unpackUnorm4x4(uint16 p) - GLM_FUNC_DECL uint16 packUnorm4x4(vec4 const & v); - - /// Convert each unsigned integer components of a vector to normalized floating-point values. - /// - /// @see gtc_packing - /// @see uint16 packUnorm4x4(vec4 const & v) - GLM_FUNC_DECL vec4 unpackUnorm4x4(uint16 p); - - /// Convert each component of the normalized floating-point vector into unsigned integer values. - /// - /// @see gtc_packing - /// @see vec3 unpackUnorm1x5_1x6_1x5(uint16 p) - GLM_FUNC_DECL uint16 packUnorm1x5_1x6_1x5(vec3 const & v); - - /// Convert each unsigned integer components of a vector to normalized floating-point values. - /// - /// @see gtc_packing - /// @see uint16 packUnorm1x5_1x6_1x5(vec3 const & v) - GLM_FUNC_DECL vec3 unpackUnorm1x5_1x6_1x5(uint16 p); - - /// Convert each component of the normalized floating-point vector into unsigned integer values. - /// - /// @see gtc_packing - /// @see vec4 unpackUnorm3x5_1x1(uint16 p) - GLM_FUNC_DECL uint16 packUnorm3x5_1x1(vec4 const & v); - - /// Convert each unsigned integer components of a vector to normalized floating-point values. - /// - /// @see gtc_packing - /// @see uint16 packUnorm3x5_1x1(vec4 const & v) - GLM_FUNC_DECL vec4 unpackUnorm3x5_1x1(uint16 p); - - /// Convert each component of the normalized floating-point vector into unsigned integer values. - /// - /// @see gtc_packing - /// @see vec3 unpackUnorm2x3_1x2(uint8 p) - GLM_FUNC_DECL uint8 packUnorm2x3_1x2(vec3 const & v); - - /// Convert each unsigned integer components of a vector to normalized floating-point values. - /// - /// @see gtc_packing - /// @see uint8 packUnorm2x3_1x2(vec3 const & v) - GLM_FUNC_DECL vec3 unpackUnorm2x3_1x2(uint8 p); - /// @} -}// namespace glm - -#include "packing.inl" |