| Name |
Syntax |
Description |
| abs |
abs(x) |
Absolute value (per component). |
| acos |
acos(x) |
Returns the arccosine of each component of x. |
| all |
all(x) |
Test if all components of x are nonzero. |
| any |
any(x) |
Test if any component of x is nonzero. |
| asfloat |
asfloat(x) |
Convert the input type to a float. |
| asin |
asin(x) |
Returns the arcsine of each component of x. |
| asint |
asint(x) |
Convert the input type to an integer. |
| asuint |
asuint(x) |
Convert the input type to an unsigned integer. |
| atan |
atan(x) |
Returns the arctangent of x. |
| atan2 |
atan2(y, x) |
Returns the arctangent of of two values (x,y). |
| ceil |
ceil(x) |
Returns the smallest integer which is greater than or equal to x. |
| clamp |
clamp(x, min, max) |
Clamps x to the range [min, max]. |
| clip |
clip(x) |
Discards the current pixel, if any component of x is less than zero. |
| cos |
cos(x) |
Returns the cosine of x. |
| cosh |
cosh(x) |
Returns the hyperbolic cosine of x. |
| cross |
cross(x, y) |
Returns the cross product of two 3D vectors. |
| D3DCOLORtoUBYTE4 |
D3DCOLORtoUBYTE4(x) |
Swizzles and scales components of the 4D vector x to compensate for the lack of UBYTE4 support in some hardware. |
| ddx |
ddx(x) |
Returns the partial derivative of x with respect to the screen-space x-coordinate. |
| ddy |
ddy(x) |
Returns the partial derivative of x with respect to the screen-space y-coordinate. |
| degrees |
degrees(x) |
Converts x from radians to degrees. |
| determinant |
determinant(m) |
Returns the determinant of the square matrix m. |
| distance |
distance(x, y) |
Returns the distance between two points. |
| dot |
dot(x, y) |
Returns the dot product of two vectors. |
| exp |
exp(x) |
Returns the base-e exponent. |
| exp2 |
exp2(x) |
Base 2 exponent (per component). |
| faceforward |
faceforward(n, i, ng) |
Returns -n * sign(•(i, ng)). |
| floor |
floor(x) |
Returns the greatest integer which is less than or equal to x. |
| fmod |
fmod(x, y) |
Returns the floating point remainder of x/y. |
| frac |
frac(x) |
Returns the fractional part of x. |
| frexp |
frexp(x, exp) |
Returns the mantissa and exponent of x. |
| fwidth |
fwidth(x) |
Returns abs(ddx(x)) + abs(ddy(x)) |
| GetRenderTargetSampleCount |
GetRenderTargetSampleCount() |
Returns the number of render-target samples. |
| GetRenderTargetSamplePosition |
GetRenderTargetSamplePosition(x) |
Returns a sample position (x,y) for a given sample index. |
| isfinite |
isfinite(x) |
Returns true if x is finite, false otherwise. |
| isinf |
isinf(x) |
Returns true if x is +INF or -INF, false otherwise. |
| isnan |
isnan(x) |
Returns true if x is NAN or QNAN, false otherwise. |
| ldexp |
ldexp(x, exp) |
Returns x * 2exp |
| length |
length(v) |
Returns the length of the vector v. |
| lerp |
lerp(x, y, s) |
Returns x + s(y - x). |
| lit |
lit(n • l, n • h, m) |
Returns a lighting vector (ambient, diffuse, specular, 1) |
| log |
log(x) |
Returns the base-e logarithm of x. |
| log10 |
log10(x) |
Returns the base-10 logarithm of x. |
| log2 |
log2(x) |
Returns the base-2 logarithm of x. |
| max |
max(x, y) |
Selects the greater of x and y. |
| min |
min(x, y) |
Selects the lesser of x and y. |
| modf |
modf(x, out ip) |
Splits the value x into fractional and integer parts. |
| mul |
mul(x, y) |
Performs matrix multiplication using x and y. |
| noise |
noise(x) |
Generates a random value using the Perlin-noise algorithm. |
| normalize |
normalize(x) |
Returns a normalized vector. |
| pow |
pow(x, y) |
Returns xy. |
| radians |
radians(x) |
Converts x from degrees to radians. |
| reflect |
reflect(i, n) |
Returns a reflection vector. |
| refract |
refract(i, n, R) |
Returns the refraction vector. |
| round |
round(x) |
Rounds x to the nearest integer |
| rsqrt |
rsqrt(x) |
Returns 1 / sqrt(x) |
| saturate |
saturate(x) |
Clamps x to the range [0, 1] |
| sign |
sign(x) |
Computes the sign of x. |
| sin |
sin(x) |
Returns the sine of x |
| sincos |
sincos(x, out s, out c) |
Returns the sine and cosine of x. |
| sinh |
sinh(x) |
Returns the hyperbolic sine of x |
| smoothstep |
smoothstep(min, max, x) |
Returns a smooth Hermite interpolation between 0 and 1. |
| sqrt |
sqrt(x) |
Square root (per component) |
| step |
step(a, x) |
Returns (x >= a) ? 1 : 0 |
| tan |
tan(x) |
Returns the tangent of x |
| tanh |
tanh(x) |
Returns the hyperbolic tangent of x |
| tex1D |
tex1D(s, t) |
1D texture lookup. |
| tex1Dbias |
tex1Dbias(s, t) |
1D texture lookup with bias. |
| tex1Dgrad |
tex1Dgrad(s, t, ddx, ddy) |
1D texture lookup with a gradient. |
| tex1Dlod |
tex1Dlod(s, t) |
1D texture lookup with LOD. |
| tex1Dproj |
tex1Dproj(s, t) |
1D texture lookup with projective divide. |
| tex2D |
tex2D(s, t) |
2D texture lookup. |
| tex2Dbias |
tex2Dbias(s, t) |
2D texture lookup with bias. |
| tex2Dgrad |
tex2Dgrad(s, t, ddx, ddy) |
2D texture lookup with a gradient. |
| tex2Dlod |
tex2Dlod(s, t) |
2D texture lookup with LOD. |
| tex2Dproj |
tex2Dproj(s, t) |
2D texture lookup with projective divide. |
| tex3D |
tex3D(s, t) |
3D texture lookup. |
| tex3Dbias |
tex3Dbias(s, t) |
3D texture lookup with bias. |
| tex3Dgrad |
tex3Dgrad(s, t, ddx, ddy) |
3D texture lookup with a gradient. |
| tex3Dlod |
tex3Dlod(s, t) |
3D texture lookup with LOD. |
| tex3Dproj |
tex3Dproj(s, t) |
3D texture lookup with projective divide. |
| texCUBE |
texCUBE(s, t) |
Cube texture lookup. |
| texCUBEbias |
texCUBEbias(s, t) |
Cube texture lookup with bias. |
| texCUBEgrad |
texCUBEgrad(s, t, ddx, ddy) |
Cube texture lookup with a gradient. |
| texCUBElod |
tex3Dlod(s, t) |
Cube texture lookup with LOD. |
| texCUBEproj |
texCUBEproj(s, t) |
Cube texture lookup with projective divide. |
| transpose |
transpose(m) |
Returns the transpose of the matrix m. |
| trunc |
trunc(x) |
Truncates floating-point value(s) to integer value(s) |