167 lines
10 KiB
Lua
167 lines
10 KiB
Lua
-- function helpers
|
|
local self = ...
|
|
local function key (str)
|
|
self[str] = {type="keyword"}
|
|
return key
|
|
end
|
|
|
|
local function fn (description)
|
|
local description2,returns,args = description:match("(.+)%-%s*(%b())%s*(%b())")
|
|
if not description2 then
|
|
return {type="function",description=description,
|
|
returns="(?)"}
|
|
end
|
|
return {type="function",description=description2,
|
|
returns=returns:gsub("^%s+",""):gsub("%s+$",""), args = args}
|
|
end
|
|
|
|
local function val (description)
|
|
return {type="value",description = description}
|
|
end
|
|
-- docs
|
|
|
|
abs = fn "returns absolute value of scalars and vectors. - (typeN)(typeN)"
|
|
acos = fn "returns arccosine of scalars and vectors. - (typeN)(typeN)"
|
|
all = fn "returns true if a boolean scalar or all components of a boolean vector are true. - (bool)(boolN)"
|
|
any = fn "returns true if a boolean scalar or any component of a boolean vector is true. - (bool)(boolN)"
|
|
asin = fn "returns arcsine of scalars and vectors. - (typeN)(typeN)"
|
|
atan = fn "returns arctangent of scalars and vectors. - (typeN)(typeN)"
|
|
atan2 = fn "returns the arctangent of y/x. atan2 is well defined for every point other than the origin, even if x equals 0 and y does not equal 0. - (typeN)(typeN y, typeN x)"
|
|
ceil = fn "returns smallest integer not less than a scalar or each vector component. - (typeN)(typeN)"
|
|
clamp = fn "returns x clamped to the range [a,b]. - (typeN)(typeN x, a, b)"
|
|
clip = fn "conditionally (<0) kill a pixel before output. - ()(typeN)"
|
|
cos = fn "returns cosine of scalars and vectors. - (typeN)(typeN)"
|
|
cosh = fn "returns hyperbolic cosine of scalars and vectors. - (typeN)(typeN)"
|
|
cross = fn "returns the cross product of two three-component vectors. - (type3)(type3 a, b)"
|
|
ddx = fn "returns approximate partial derivative with respect to window-space X. - (typeN)(typeN)"
|
|
ddy = fn "returns approximate partial derivative with respect to window-space Y. - (typeN)(typeN)"
|
|
degrees = fn "converts values of scalars and vectors from radians to degrees. - (typeN)(typeN)"
|
|
determinant = fn "returns the scalar determinant of a square matrix. - (float)(floatNxN)"
|
|
distance = fn "return the Euclidean distance between two points. - (typeN)(typeN a, b)"
|
|
dot = fn "returns the scalar dot product of two vectors. - (type)(typeN a, b)"
|
|
exp = fn "returns the base-e exponential of scalars and vectors. - (typeN)(typeN)"
|
|
exp2 = fn "returns the base-2 exponential of scalars and vectors. - (typeN)(typeN)"
|
|
faceforward = fn "returns a normal as-is if a vertex's eye-space position vector points in the opposite direction of a geometric normal, otherwise return the negated version of the normal. - (typeN)(typeN Nperturbated, Incident, Ngeometric)"
|
|
floatToIntBits = fn "returns the 32-bit integer representation of an IEEE 754 floating-point scalar or vector - (intN)(floatN)"
|
|
floatToRawIntBits = fn "returns the raw 32-bit integer representation of an IEEE 754 floating-point scalar or vector. - (intN)(floatN)"
|
|
floor = fn "returns largest integer not greater than a scalar or each vector component. - (typeN)(typeN)"
|
|
fmod = fn "returns the remainder of x/y with the same sign as x. - (typeN)(typeN x, y)"
|
|
frac = fn "returns the fractional portion of a scalar or each vector component. - (typeN)(typeN)"
|
|
frexp = fn "splits scalars and vectors into normalized fraction and a power of 2. - (typeN)(typeN x, out typeN e)"
|
|
fwidth = fn "returns sum of approximate window-space partial derivatives magnitudes. - (typeN)(typeN)"
|
|
intBitsToFloat = fn "returns the float value corresponding to a given bit represention.of a scalar int value or vector of int values. - (floatN)(intN)"
|
|
isfinite = fn "test whether or not a scalar or each vector component is a finite value. - (boolN)(typeN)"
|
|
isinf = fn "test whether or not a scalar or each vector component is infinite. - (boolN)(typeN)"
|
|
isnan = fn "test whether or not a scalar or each vector component is not-a-number. - (boolN)(typeN)"
|
|
ldexp = fn "returns x times 2 rained to n. - (typeN)(typeN a, n)"
|
|
length = fn "return scalar Euclidean length of a vector. - (type)(typeN)"
|
|
lerp = fn "lerp - returns linear interpolation of two scalars or vectors based on a weight. - (typeN)(typeN a, b, weight)"
|
|
lit = fn "computes lighting coefficients for ambient(x), diffuse(y), and specular(z) lighting contributions (w=1). - (type4)(type NdotL, NdotH, specshiny)"
|
|
log = fn "returns the natural logarithm of scalars and vectors. - (typeN)(typeN)"
|
|
log10 = fn "returns the base-10 logarithm of scalars and vectors. - (typeN)(typeN)"
|
|
log2 = fn "returns the base-2 logarithm of scalars and vectors. - (typeN)(typeN)"
|
|
max = fn "returns the maximum of two scalars or each respective component of two vectors. - (typeN)(typeN a, b)"
|
|
min = fn "returns the minimum of two scalars or each respective component of two vectors. - (typeN)(typeN a, b)"
|
|
mul = fn "Returns the vector result of multiplying a matrix M by a column vector v; a row vector v by a matrix M; or a matrix A by a second matrix B. - (typeN)(typeNxN/typeN a, typeN/typeNxN b)"
|
|
normalize = fn "Returns the normalized version of a vector, meaning a vector in the same direction as the original vector but with a Euclidean length of one. - (typeN)(typeN)"
|
|
pow = fn "returns x to the y-th power of scalars and vectors. - (typeN)(typeN x, y)"
|
|
radians = fn "converts values of scalars and vectors from degrees to radians. - (typeN)(typeN)"
|
|
reflect = fn "returns the reflectiton vector given an incidence vector and a normal vector. - (typeN)(typeN incidence, normal)"
|
|
refract = fn "computes a refraction vector. - (typeN)(typeN incidence, normal, type eta)"
|
|
round = fn "returns the rounded value of scalars or vectors. - (typeN)(typeN a)"
|
|
rsqrt = fn "returns reciprocal square root of scalars and vectors. 1/sqrt. - (typeN)(typeN)"
|
|
saturate = fn "returns x saturated to the range [0,1]. - (typeN)(typeN)"
|
|
sign = fn "returns sign (1 or -1) of scalar or each vector component. - (typeN)(typeN)"
|
|
sin = fn "returns sine of scalars and vectors. - (typeN)(typeN)"
|
|
sincos = fn "returns sine of scalars and vectors. - ()(typeN x, out typeN sin, out typeN cos)"
|
|
sinh = fn "returns hyperbolic sine of scalars and vectors. - (typeN)(typeN)"
|
|
sqrt = fn "returns square root of scalars and vectors. - (typeN)(typeN)"
|
|
step = fn "implement a step function returning either zero or one (x >= a). - (typeN)(typeN a, x)"
|
|
tan = fn "returns tangent of scalars and vectors. - (typeN)(typeN)"
|
|
tanh = fn "returns hyperbolic tangent of scalars and vectors. - (typeN)(typeN)"
|
|
tex1D = fn "descr - (typeN)(typeN a, b)"
|
|
tex1DARRAY = fn "descr - (typeN)(typeN a, b)"
|
|
tex1DARRAYbias = fn "descr - (typeN)(typeN a, b)"
|
|
tex1DARRAYcmpbias = fn "descr - (typeN)(typeN a, b)"
|
|
tex1DARRAYcmplod = fn "descr - (typeN)(typeN a, b)"
|
|
tex1DARRAYfetch = fn "descr - (typeN)(typeN a, b)"
|
|
tex1DARRAYlod = fn "descr - (typeN)(typeN a, b)"
|
|
tex1DARRAYproj = fn "descr - (typeN)(typeN a, b)"
|
|
tex1DARRAYsize = fn "descr - (typeN)(typeN a, b)"
|
|
tex1Dbias = fn "descr - (typeN)(typeN a, b)"
|
|
tex1Dcmpbias = fn "descr - (typeN)(typeN a, b)"
|
|
tex1Dcmplod = fn "descr - (typeN)(typeN a, b)"
|
|
tex1Dfetch = fn "descr - (typeN)(typeN a, b)"
|
|
tex1Dlod = fn "descr - (typeN)(typeN a, b)"
|
|
tex1Dproj = fn "descr - (typeN)(typeN a, b)"
|
|
tex1Dsize = fn "descr - (typeN)(typeN a, b)"
|
|
tex2D = fn "descr - (typeN)(typeN a, b)"
|
|
tex2DARRAY = fn "descr - (typeN)(typeN a, b)"
|
|
tex2DARRAYbias = fn "descr - (typeN)(typeN a, b)"
|
|
tex2DARRAYfetch = fn "descr - (typeN)(typeN a, b)"
|
|
tex2DARRAYlod = fn "descr - (typeN)(typeN a, b)"
|
|
tex2DARRAYproj = fn "descr - (typeN)(typeN a, b)"
|
|
tex2DARRAYsize = fn "descr - (typeN)(typeN a, b)"
|
|
tex2Dbias = fn "descr - (typeN)(typeN a, b)"
|
|
tex2Dcmpbias = fn "descr - (typeN)(typeN a, b)"
|
|
tex2Dcmplod = fn "descr - (typeN)(typeN a, b)"
|
|
tex2Dfetch = fn "descr - (typeN)(typeN a, b)"
|
|
tex2Dlod = fn "descr - (typeN)(typeN a, b)"
|
|
tex2Dproj = fn "descr - (typeN)(typeN a, b)"
|
|
tex2Dsize = fn "descr - (typeN)(typeN a, b)"
|
|
tex3D = fn "descr - (typeN)(typeN a, b)"
|
|
tex3Dbias = fn "descr - (typeN)(typeN a, b)"
|
|
tex3Dfetch = fn "descr - (typeN)(typeN a, b)"
|
|
tex3Dlod = fn "descr - (typeN)(typeN a, b)"
|
|
tex3Dproj = fn "descr - (typeN)(typeN a, b)"
|
|
tex3Dsize = fn "descr - (typeN)(typeN a, b)"
|
|
texBUF = fn "descr - (typeN)(typeN a, b)"
|
|
texBUFsize = fn "descr - (typeN)(typeN a, b)"
|
|
texCUBE = fn "descr - (typeN)(typeN a, b)"
|
|
texCUBEARRAY = fn "descr - (typeN)(typeN a, b)"
|
|
texCUBEARRAYsize = fn "descr - (typeN)(typeN a, b)"
|
|
texCUBEbias = fn "descr - (typeN)(typeN a, b)"
|
|
texCUBElod = fn "descr - (typeN)(typeN a, b)"
|
|
texCUBEproj = fn "descr - (typeN)(typeN a, b)"
|
|
texCUBEsize = fn "descr - (typeN)(typeN a, b)"
|
|
texRECT = fn "descr - (typeN)(typeN a, b)"
|
|
texRECTbias = fn "descr - (typeN)(typeN a, b)"
|
|
texRECTfetch = fn "descr - (typeN)(typeN a, b)"
|
|
texRECTlod = fn "descr - (typeN)(typeN a, b)"
|
|
texRECTproj = fn "descr - (typeN)(typeN a, b)"
|
|
texRECTsize = fn "descr - (typeN)(typeN a, b)"
|
|
transpose = fn "returns transpose matrix of a matrix. - (typeRxC)(typeCxR)"
|
|
trunc = fn "returns largest integer not greater than a scalar or each vector component. - (typeN)(typeN)"
|
|
|
|
local keyw =
|
|
[[int half float float3 float4 float2 float3x3 float3x4 float4x3 float4x4 double vector vec matrix
|
|
half half2 half3 half4
|
|
mat string struct typedef matrix
|
|
sampler sampler1D sampler2D sampler3D samplerRECT samplerCUBE
|
|
texture texture1D texture2D texture3D textureRECT textureCUBE
|
|
|
|
decl do double else extern false for if in inline inout out pass
|
|
pixelshader return shared static string technique true
|
|
uniform vector vertexshader void volatile while
|
|
|
|
asm bool compile const auto break case catch char class const_cast continue default delete
|
|
dynamic_cast enum explicit friend goto long mutable namespace new operator private protected
|
|
public register reinterpret_case short signed sizeof static_cast switch template this throw
|
|
try typename union unsigned using virtual
|
|
|
|
POSITION PSIZE DIFFUSE SPECULAR TEXCOORD FOG COLOR COLOR0 COLOR1 COLOR2 COLOR3 TEXCOORD0 TEXCOORD1 TEXCOORD2 TEXCOORD3
|
|
TEXCOORD4 TEXCOORD5 TEXCOORD6 TEXCOORD7 TEXCOORD8 TEXCOORD9 TEXCOORD10 TEXCOORD11 TEXCOORD12 TEXCOORD13 TEXCOORD14
|
|
TEXCOORD15
|
|
NORMAL
|
|
ATTR0 ATTR1 ATTR2 ATTR3 ATTR4 ATTR5 ATTR6 ATTR7 ATTR8 ATTR9 ATTR10 ATTR11 ATTR12 ATTR13 ATTR14 ATTR15
|
|
TEXUNIT0 TEXUNIT1 TEXUNIT2 TEXUNIT3 TEXUNIT4 TEXUNIT5 TEXUNIT6 TEXUNIT7 TEXUNIT8 TEXUNIT9 TEXUNIT10 TEXUNIT11 TEXUNIT12
|
|
TEXUNIT13 TEXUNIT14 TEXUNIT15 ]]
|
|
|
|
-- keywords - shouldn't be left out
|
|
for w in keyw:gmatch(keyw,"([a-zA-Z_0-9]+)") do
|
|
key(w)
|
|
end
|
|
|
|
|
|
|