thebookofshaders/glossary

Glossary

By theme

• TYPES

void bool int float bvec2 bvec3 bvec4 ivec2 ivec3 ivec4 vec2 vec3 vec4 mat2 mat3 mat4 sampler2D samplerCube struct

• QUALIFIERS

attribute const uniform varying precision highp mediump lowp in out inout

• BUILT-IN VARIABLES

gl_Position gl_PointSize gl_PointCoord gl_FrontFacing gl_FragCoord gl_FragColor

• BUILT-IN CONSTANTS

gl_MaxVertexAttribs gl_MaxVaryingVectors gl_MaxVertexTextureImageUnits gl_MaxCombinedTextureImageUnits gl_MaxTextureImageUnits gl_MaxFragmentUniformVectors gl_MaxDrawBuffers

• ANGLE & TRIGONOMETRY FUNCTIONS

radians() degrees() sin() cos() tan() asin() acos() atan()

• EXPONENTIAL FUNCTIONS

pow() exp() log() exp2() log2() sqrt() inversesqrt()

• COMMON FUNCTIONS

abs() sign() floor() ceil() fract() mod() min() max() clamp() mix() step() smoothstep()

• GEOMETRIC FUNCTIONS

length() distance() dot() cross() normalize() facefoward() reflect() refract()

• MATRIX FUNCTIONS

matrixCompMult()

• VECTOR RELATIONAL FUNCTIONS

lessThan() lessThanEqual() greaterThan() greaterThanEqual() equal() notEqual() any() all() not()

• TEXTURE LOOKUP FUNCTIONS

texture2D() textureCube()

Alphabetical

• A

abs() acos() all() any() asin() atan() attribute

• B

bool bvec2 bvec3 bvec4

• C

ceil() clamp() const cos() cross()

• D

degrees() dFdx() dFdy() distance() dot()

• E

equal() exp() exp2()

• F

faceforward() float floor() fract()

• G

greaterThan() greaterThanEqual() gl_FragColor gl_FragCoord gl_FrontFacing gl_PointCoord gl_PointSize gl_Position gl_MaxCombinedTextureImageUnits gl_MaxDrawBuffers gl_MaxFragmentUniformVectors gl_MaxVaryingVectors gl_MaxVertexAttribs gl_MaxVertexTextureImageUnits gl_MaxTextureImageUnits

• H

highp

• I

in inout int inversesqrt() ivec2 ivec3 ivec4

• L

length() lessThan() lessThanEqual() log() log2() lowp

• M

matrixCompMult() mat2 mat3 mat4 max() mediump min() mix() mod()

• N

normalize() not() notEqual()

• O

out

• P

precision pow()

• R

radians() reflect() refract()

• S

sampler2D samplerCube sign() sin() smoothstep() sqrt() step() struct

• T

tan() texture2D() textureCube()

• U

uniform

• V

varying vec2 vec3 vec4 void