OpenGL ES Shading Language Reference Pages



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Built-in Variables


A
abs
acos
acosh
all
any
asin
asinh
atan
atanh
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C
ceil
clamp
cos
cosh
cross
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D
degrees
determinant
dFdx
dFdy
distance
dot
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E
equal
exp
exp2
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F
faceforward
floatBitsToInt
floatBitsToUint
floor
fract
fwidth
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G
greaterThan
greaterThanEqual
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I
intBitsToFloat
inverse
inversesqrt
isinf
isnan
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L
length
lessThan
lessThanEqual
log
log2
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M
matrixCompMult
max
min
mix
mod
modf
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N
normalize
not
notEqual
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O
outerProduct
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P
packHalf2x16
packSnorm2x16
packUnorm2x16
pow
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R
radians
reflect
refract
round
roundEven
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S
sign
sin
sinh
smoothstep
sqrt
step
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T
tan
tanh
texelFetch
texelFetchOffset
texture
textureGrad
textureGradOffset
textureLod
textureLodOffset
textureOffset
textureProj
textureProjGrad
textureProjGradOffset
textureProjLod
textureProjLodOffset
textureProjOffset
textureSize
transpose
trunc
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U
uintBitsToFloat
unpackHalf2x16
unpackSnorm2x16
unpackUnorm2x16
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Built-in Variables
gl_FragCoord
gl_FragDepth
gl_FrontFacing
gl_InstanceID
gl_PointCoord
gl_PointSize
gl_Position
gl_VertexID
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