Module glm::builtin

Built-in funcions defined in GLSL specification chapter 8.

Functions

abs	Returns x if x ≥ 0, otherwise it returns –x.
acos	Returns an angle whose cosine is x.
acosh	Arc hyperbolic cosine; returns the non-negative inverse of cosh.
all	Returns true only if all components of x are true.
any	Returns true if any component of x is true.
asin	Returns an angle whose sine is x.
asinh	Arc hyperbolic sine; returns the inverse of sinh.
atan	Returns an angle whose tangent is y_over_x.
atan2	Returns an angle whose tangent is y / x.
atanh	Arc hyperbolic tangent; returns the inverse of tanh.
bitCount	Returns the number of bits set to 1 in the binary representation of value.
bitfieldExtract	Extracts bits [offset, offset + bits - 1] from value, returning them in the least significant bits of the result.
bitfieldInsert	Returns the insertion the bits least-significant bits of insert into base.
bitfieldReverse	Returns the reversal of the bits of value.
ceil	Returns a value equal to the nearest integer that is greater than or equal to x.
clamp	Returns min (max (x, min_val), max_val).
clamp_s	A variant of function clamp that uses scalar values as thresholds.
cos	The standard trigonometric cosine function.
cosh	Returns the hyperbolic cosine function (ex + e-x) / 2.
cross	Returns the cross product of x and y.
degrees	Converts radians to degrees, i.e., 180/π * radians.
determinant	Returns the determinant of m.
distance	Returns the distance between p0 and p1, i.e., length(p0 – p1).
dot	Returns the dot product of x and y, i.e., x[0] * y[0] + x[1] * y[1] + ....
equal	Returns the component-wise compare of x == y.
exp	Returns the natural exponentiation of x. i.e., ex.
exp2	Returns 2 raised to the power of x. i.e., 2x.
faceforward	If dot(Nref, I) < 0 return N, otherwise return -N.
findLSB	Returns the bit number of the least significant bit set to 1 in the binary representation of value.
findMSB	Returns the bit number of the most significant bit in the binary representation of value.
floatBitsToInt	Returns a signed integer value representing the encoding of a floating-point value.
floatBitsToUint	Returns a unsigned integer value representing the encoding of a floating-point value.
floor	Returns a value equal to the nearest integer that is less than or equal to x.
fma	Computes and returns a * b + c.
fmod	Modulus. Returns x – y ∗ floor(x/y).
fract	Returns x – floor(x).
frexp	Splits x into a floating-point significand in the range [0.5, 1.0) and an integral exponent of two, such that: x = significand⋅2exponent.
greaterThan	Returns the component-wise compare of x > y.
greaterThanEqual	Returns the component-wise compare of x ≥ y.
imulExtended	Multiplies 32-bit integers x and y, producing a 64-bit result.
intBitsToFloat	Returns a floating-point value corresponding to a signed integer encoding of a floating-point value.
inverse	Returns a matrix that is the inverse of m.
inversesqrt	Returns the inverse of the square root of x. i.e., the value 1/sqrt(x).
isinf	Returns true if x holds a positive infinity or negative infinity. Returns false otherwise.
isnan	Returns true if x holds a NaN. Returns false otherwise.
ldexp	Builds a floating-point number from x and the corresponding integral exponent of two in exp, returning: significand ⋅ 2exponent.
length	Returns the length of vector x, i.e., sqrt(x[0]^2 + x[1]^2 + ...).
lessThan	Returns the component-wise compare of x < y.
lessThanEqual	Returns the component-wise compare of x ≤ y.
log	Returns the natural logarithm of x. i.e., the value y which satisfies x = ey.
log2	Returns the base 2 logarithm of x. i.e., the value y which satisfies x = 2y.
matrixCompMult	Multiply matrix x by matrix y component-wise, i.e., result[i][j] is the scalar product of x[i][j] and y[i][j].
max	Returns y if x < y, otherwise it returns x.
max_s	A variant of max that always uses a scalar value as the comparator.
min	Returns y if y < x, otherwise it returns x.
min_s	A variant of function min that uses a scalar value as comparator.
mix	Returns the linear blend of x and y, i.e., x⋅(1−a)+y⋅a.
mix_bool	Selects which vector each returned component comes from.
mix_s	A variant of function mix that parameter a is a scalar.
mod_s	Modulus with a scalar number.
modf	Returns the fractional and integer parts of x.
noise1	Returns a 1D noise value based on the input value x.
noise2	Returns a 2D noise value based on the input value x.
noise3	Returns a 3D noise value based on the input value x.
noise4	Returns a 4D noise value based on the input value x.
normalize	Returns a vector in the same direction as x but with a length of 1.
not	Returns the component-wise logical complement of x.
notEqual	Returns the component-wise compare of x ≠ y.
outerProduct	Treats the first parameter c as a column vector (matrix with one column) and the second parameter r as a row vector (matrix with one row) and does a linear algebraic matrix multiply c * r, yielding a matrix whose number of rows is the number of components in c and whose number of columns is the number of components in r.
packDouble2x32	Returns a double-precision value obtained by packing the components of v into a 64-bit value.
packSnorm2x16	First, converts each component of the normalized floating-point value v into 16-bit integer values. Then, the results are packed into the returned 32-bit unsigned integer.
packSnorm4x8	First, converts each component of the normalized floating-point value v into 8-bit integer values. Then, the results are packed into the returned 32-bit unsigned integer.
packUnorm2x16	First, converts each component of the normalized floating-point value v into 16-bit integer values. Then, the results are packed into the returned 32-bit unsigned integer.
packUnorm4x8	First, converts each component of the normalized floating-point value v into 8-bit integer values. Then, the results are packed into the returned 32-bit unsigned integer.
pow	Returns x raised to the y power, i.e., xy.
radians	Converts degrees to radians, i.e., π/180 * degrees.
reflect	For the incident vector I and surface orientation N, returns the reflection direction: I - 2 ∗ dot(N, I) ∗ N.
refract	For the incident vector I and surface normal N, and the ratio of indices of refraction eta, return the refraction vector.
round	Returns a value equal to the nearest integer to x.
roundEven	Returns a value equal to the nearest integer to x.
sign	Returns 1.0 if x > 0, 0.0 if x = 0, or –1.0 if x < 0.
sin	The standard trigonometric sine function.
sinh	Returns the hyperbolic sine function (ex - e-x) / 2.
smoothstep	Returns 0.0 if x ≤ edge0 and 1.0 if x ≥ edge1 and performs smooth Hermite interpolation between 0 and 1 when edge0 < x < edge1.
smoothstep_s	A variant of smoothstep function that use scalar as edges.
sqrt	Returns the square root of x. i.e., the value sqrt(x).
step	Returns 0.0 if x < edge, otherwise it returns 1.0.
step_s	A variant of step function that use scalar as the edge.
tan	The standard trigonometric tangent.
tanh	Returns the hyperbolic tangent function sinh(x)/cosh(x).
transpose	Returns a matrix that is the transpose of m.
trunc	Returns a value equal to the nearest integer to x whose absolute value is not larger than the absolute value of x.
uaddCarry	Adds 32-bit unsigned integer x and y, returning the sum modulus 232 and the carry bit.
uintBitsToFloat	Returns a floating-point value corresponding to a unsigned integer encoding of a floating-point value.
umulExtended	Multiplies 32-bit unsigned integers x and y, producing a 64-bit result.
unpackDouble2x32	Returns a two-component unsigned integer vector representation of v. The bit-level representation of v is preserved.
unpackSnorm2x16	First, unpacks a single 32-bit unsigned integer p into two 16-bit signed integers. Then, each component is converted to a normalized floating-point value to generate the returned two-component vector.
unpackSnorm4x8	First, unpacks a single 32-bit unsigned integer p into four 8-bit signed integers. Then, each component is converted to a normalized floating-point value to generate the returned four-component vector.
unpackUnorm2x16	First, unpacks a single 32-bit unsigned integer p into a pair of 16-bit unsigned integers. Then, each component is converted to a normalized floating-point value to generate the returned two-component vector.
unpackUnorm4x8	First, unpacks a single 32-bit unsigned integer p into four 8-bit unsigned integers. Then, each component is converted to a normalized floating-point value to generate the returned four-component vector.
usubBorrow	Subtracts the 32-bit unsigned integer y from x, returning the difference and the borrow bit.