206 lines
20 KiB
Lua
206 lines
20 KiB
Lua
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-- authors: Luxinia Dev (Eike Decker & Christoph Kubisch)
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---------------------------------------------------------
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local function fn (description)
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local description2,returns,args = description:match("(.+)%-%s*(%b())%s*(%b())")
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if not description2 then
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return {type="function",description=description,
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returns="(?)"}
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end
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return {type="function",description=description2,
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returns=returns:gsub("^%s+",""):gsub("%s+$",""), args = args}
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end
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local function val (description)
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return {type="value",description = description}
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end
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-- docs
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local api = {
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abs = fn "returns absolute value of scalars and vectors. - (typeN)(typeN)",
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acos = fn "returns arccosine of scalars and vectors. - (typeN)(typeN)",
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all = fn "returns true if a boolean scalar or all components of a boolean vector are true. - (bool)(boolN)",
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any = fn "returns true if a boolean scalar or any component of a boolean vector is true. - (bool)(boolN)",
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asin = fn "returns arcsine of scalars and vectors. - (typeN)(typeN)",
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atan = fn "returns arctangent of scalars and vectors. - (typeN)(typeN)",
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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)",
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ceil = fn "returns smallest integer not less than a scalar or each vector component. - (typeN)(typeN)",
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clamp = fn "returns x clamped to the range [a,b]. - (typeN)(typeN x, a, b)",
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clip = fn "conditionally (<0) kill a pixel before output. - ()(typeN)",
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cos = fn "returns cosine of scalars and vectors. - (typeN)(typeN)",
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cosh = fn "returns hyperbolic cosine of scalars and vectors. - (typeN)(typeN)",
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cross = fn "returns the cross product of two three-component vectors. - (type3)(type3 a, b)",
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ddx = fn "returns approximate partial derivative with respect to window-space X. - (typeN)(typeN)",
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ddy = fn "returns approximate partial derivative with respect to window-space Y. - (typeN)(typeN)",
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degrees = fn "converts values of scalars and vectors from radians to degrees. - (typeN)(typeN)",
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determinant = fn "returns the scalar determinant of a square matrix. - (float)(floatNxN)",
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distance = fn "return the Euclidean distance between two points. - (typeN)(typeN a, b)",
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dot = fn "returns the scalar dot product of two vectors. - (type)(typeN a, b)",
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exp = fn "returns the base-e exponential of scalars and vectors. - (typeN)(typeN)",
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exp2 = fn "returns the base-2 exponential of scalars and vectors. - (typeN)(typeN)",
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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)",
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floatToIntBits = fn "returns the 32-bit integer representation of an IEEE 754 floating-point scalar or vector - (intN)(floatN)",
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floatToRawIntBits = fn "returns the raw 32-bit integer representation of an IEEE 754 floating-point scalar or vector. - (intN)(floatN)",
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floor = fn "returns largest integer not greater than a scalar or each vector component. - (typeN)(typeN)",
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fmod = fn "returns the remainder of x/y with the same sign as x. - (typeN)(typeN x, y)",
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frac = fn "returns the fractional portion of a scalar or each vector component. - (typeN)(typeN)",
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frexp = fn "splits scalars and vectors into normalized fraction and a power of 2. - (typeN)(typeN x, out typeN e)",
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fwidth = fn "returns sum of approximate window-space partial derivatives magnitudes. - (typeN)(typeN)",
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intBitsToFloat = fn "returns the float value corresponding to a given bit represention.of a scalar int value or vector of int values. - (floatN)(intN)",
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isfinite = fn "test whether or not a scalar or each vector component is a finite value. - (boolN)(typeN)",
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isinf = fn "test whether or not a scalar or each vector component is infinite. - (boolN)(typeN)",
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isnan = fn "test whether or not a scalar or each vector component is not-a-number. - (boolN)(typeN)",
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ldexp = fn "returns x times 2 rained to n. - (typeN)(typeN a, n)",
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length = fn "return scalar Euclidean length of a vector. - (type)(typeN)",
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lerp = fn "lerp - returns linear interpolation of two scalars or vectors based on a weight. - (typeN)(typeN a, b, weight)",
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lit = fn "computes lighting coefficients for ambient(x), diffuse(y), and specular(z) lighting contributions (w=1). - (type4)(type NdotL, NdotH, specshiny)",
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log = fn "returns the natural logarithm of scalars and vectors. - (typeN)(typeN)",
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log10 = fn "returns the base-10 logarithm of scalars and vectors. - (typeN)(typeN)",
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log2 = fn "returns the base-2 logarithm of scalars and vectors. - (typeN)(typeN)",
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max = fn "returns the maximum of two scalars or each respective component of two vectors. - (typeN)(typeN a, b)",
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min = fn "returns the minimum of two scalars or each respective component of two vectors. - (typeN)(typeN a, b)",
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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)",
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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)",
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pow = fn "returns x to the y-th power of scalars and vectors. - (typeN)(typeN x, y)",
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radians = fn "converts values of scalars and vectors from degrees to radians. - (typeN)(typeN)",
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reflect = fn "returns the reflectiton vector given an incidence vector and a normal vector. - (typeN)(typeN incidence, normal)",
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refract = fn "computes a refraction vector. - (typeN)(typeN incidence, normal, type eta)",
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round = fn "returns the rounded value of scalars or vectors. - (typeN)(typeN a)",
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rsqrt = fn "returns reciprocal square root of scalars and vectors. 1/sqrt. - (typeN)(typeN)",
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saturate = fn "returns x saturated to the range [0,1]. - (typeN)(typeN)",
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sign = fn "returns sign (1 or -1) of scalar or each vector component. - (typeN)(typeN)",
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sin = fn "returns sine of scalars and vectors. - (typeN)(typeN)",
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sincos = fn "returns sine of scalars and vectors. - ()(typeN x, out typeN sin, out typeN cos)",
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sinh = fn "returns hyperbolic sine of scalars and vectors. - (typeN)(typeN)",
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sqrt = fn "returns square root of scalars and vectors. - (typeN)(typeN)",
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step = fn "implement a step function returning either zero or one (a <= b). - (typeN)(typeN a, b)",
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tan = fn "returns tangent of scalars and vectors. - (typeN)(typeN)",
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tanh = fn "returns hyperbolic tangent of scalars and vectors. - (typeN)(typeN)",
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transpose = fn "returns transpose matrix of a matrix. - (typeRxC)(typeCxR)",
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trunc = fn "returns largest integer not greater than a scalar or each vector component. - (typeN)(typeN)",
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tex1D = fn "performs a texture lookup in a given 1D sampler and, in some cases, a shadow comparison (as .y coord). May also use pre computed derivatives if those are provided. Texeloffset only in gp4 or higher profiles. - (float4)(sampler1D, float/float2 s, |float dx, dy|,[int texeloffset])",
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tex1Dbias = fn "performs a texture lookup with bias in a given sampler (as .w). - (float4)(sampler1D, float4 s, [int texeloffset])",
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tex1Dcmpbias = fn "performs a texture lookup with bias and shadow compare in a given sampler (compare as .y, bias as .w). - (float4)(sampler1D, float4 s, [int texeloffset])",
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tex1Dcmplod = fn "performs a texture lookup with a specified level of detail and a shadow compare in a given sampler (compare as .y, lod as .w). - (float4)(sampler1D, float4 s, [int texeloffset])",
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tex1Dfetch = fn "performs an unfiltered texture lookup in a given sampler (lod as .w). - (float4)(sampler1D, int4 s, [int texeloffset])",
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tex1Dlod = fn "performs a texture lookup with a specified level of detail in a given sampler (lod as .w) - (float4)(sampler1D, float4 s, [int texeloffset])",
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tex1Dproj = fn "performs a texture lookup with projection in a given sampler. May perform a shadow comparison if argument for shadow comparison is provided. (shadow in .y for float3 coord, proj in .y or .z) - (float4)(sampler1D, float2/float3 s, [int texeloff])",
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tex1Dsize = fn "returns the size of a given texture image for a given level of detail. (only gp4 profiles) - (int3)(sampler1D, int lod)",
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tex2D = fn "performs a texture lookup in a given 2D sampler and, in some cases, a shadow comparison (as .z coord). May also use pre computed derivatives if those are provided. Texeloffset only in gp4 or higher profiles. - (float4)(sampler2D, float2/float3 s, |float2 dx, dy|,[int texeloffset])",
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tex2Dbias = fn "performs a texture lookup with bias in a given sampler (as .w). - (float4)(sampler2D, float4 s, [int texeloffset])",
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tex2Dcmpbias = fn "performs a texture lookup with bias and shadow compare in a given sampler (compare as .z, bias as .w). - (float4)(sampler2D, float4 s, [int texeloffset])",
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tex2Dcmplod = fn "performs a texture lookup with a specified level of detail and a shadow compare in a given sampler (compare as .y, lod as .w). - (float4)(sampler2D, float4 s, [int texeloffset])",
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tex2Dfetch = fn "performs an unfiltered texture lookup in a given sampler (lod as .w). - (float4)(sampler2D, int4 s, [int texeloffset])",
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tex2Dlod = fn "performs a texture lookup with a specified level of detail in a given sampler (lod as .w) - (float4)(sampler2D, float4 s, [int texeloffset])",
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tex2Dproj = fn "performs a texture lookup with projection in a given sampler. May perform a shadow comparison if argument for shadow comparison is provided. (shadow in .z for float3 coord, proj in .z or .w) - (float4)(sampler2D, float3/float4 s, [int texeloff])",
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tex2Dsize = fn "returns the size of a given texture image for a given level of detail. (only gp4 profiles) - (int3)(sampler2D, int lod)",
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tex2Dgather = fn "returns 4 texels of a given single channel texture image for a given level of detail. (only gp4 profiles) - (int3)(sampler2D, int lod)",
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tex3D = fn "performs a texture lookup in a given 3D sampler. May also use pre computed derivatives if those are provided. Texeloffset only in gp4 or higher profiles. - (float4)(sampler3D, float3 s, {float3 dx, dy},[int texeloffset])",
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tex3Dbias = fn "performs a texture lookup with bias in a given sampler (as .w). - (float4)(sampler3D, float4 s, [int texeloffset])",
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tex3Dfetch = fn "performs an unfiltered texture lookup in a given sampler (lod as .w). - (float4)(sampler3D, int4 s, [int texeloffset])",
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tex3Dlod = fn "performs a texture lookup with a specified level of detail in a given sampler (lod as .w) - (float4)(sampler3D, float4 s, [int texeloffset])",
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tex3Dproj = fn "performs a texture lookup with projection in a given sampler. (proj in .w) - (float4)(sampler3D, float4 s, [int texeloff])",
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tex3Dsize = fn "returns the size of a given texture image for a given level of detail. (only gp4 profiles) - (int3)(sampler3D, int lod)",
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texBUF = fn "performs an unfiltered texture lookup in a given texture buffer sampler. (only gp4 profiles) - (float4)(samplerBUF, int s)",
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texBUFsize = fn "returns the size of a given texture image for a given level of detail. (only gp4 profiles) - (int3)(samplerBUF, int lod)",
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texRBUF = fn "performs a multi-sampled texture lookup in a renderbuffer. (only gp4 profiles) - (float4)(samplerRBUF, int2 s, int sample)",
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texRBUFsize = fn "returns the size of a given renderbuffer. (only gp4 profiles) - (int2)(samplerBUF)",
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texCUBE = fn "performs a texture lookup in a given CUBE sampler and, in some cases, a shadow comparison (float4 coord). May also use pre computed derivatives if those are provided. Texeloffset only in gp4 or higher profiles. - (float4)(samplerCUBE, float3/float4 s, |float3 dx, dy|)",
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texCUBEbias = fn "performs a texture lookup with bias in a given sampler (as .w). - (float4)(sampler1D, float4 s, [int texeloffset])",
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texCUBElod = fn "performs a texture lookup with a specified level of detail in a given sampler (lod as .w) - (float4)(sampler1D, float4 s, [int texeloffset])",
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texCUBEproj = fn "performs a texture lookup with projection in a given sampler. (proj in .w) - (float4)(samplerCUBE, float4 s)",
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texCUBEsize = fn "returns the size of a given texture image for a given level of detail. (only gp4 profiles) - (int3)(sampler1D, int lod)",
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texRECT = fn "performs a texture lookup in a given RECT sampler and, in some cases, a shadow comparison (as .z). May also use pre computed derivatives if those are provided. Texeloffset only in gp4 or higher profiles. - (float4)(samplerRECT, float2/float3 s, |float2 dx, dy|, [int texeloff])",
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texRECTbias = fn "performs a texture lookup with bias in a given sampler (as .w). - (float4)(samplerRECT, float4 s, [int texeloffset])",
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texRECTfetch = fn "performs an unfiltered texture lookup in a given sampler (lod as .w). - (float4)(samplerRECT, int4 s, [int texeloffset])",
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texRECTlod = fn "performs a texture lookup with a specified level of detail in a given sampler (lod as .w) - (float4)(samplerRECT, float4 s, [int texeloffset])",
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texRECTproj = fn "performs a texture lookup with projection in a given sampler. May perform a shadow comparison if argument for shadow comparison is provided. (shadow in .z for float3 coord, proj in .z or .w) - (float4)(samplerRECT, float3/float4 s, [int texeloff])",
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texRECTsize = fn "returns the size of a given texture image for a given level of detail. (only gp4 profiles) - (int3)(samplerRECT, int lod)",
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tex1DARRAY = fn "performs a texture lookup in a given 1D sampler array and, in some cases, a shadow comparison (as .z). May also use pre computed derivatives if those are provided. Texeloffset only in gp4 or higher profiles. - (float4)(sampler1DARRAY, float2/float3 s, {float dx, dy},[int texeloffset])",
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tex1DARRAYbias = fn "performs a texture lookup with bias in a given sampler (as .w). - (float4)(sampler1DARRAY, float4 s, [int texeloffset])",
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tex1DARRAYcmpbias = fn "performs a texture lookup with bias and shadow compare in a given sampler (layer as .y, compare as .z, bias as .w). - (float4)(sampler1DARRAY, float4 s, [int texeloffset])",
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tex1DARRAYcmplod = fn "performs a texture lookup with a specified level of detail and a shadow compare in a given sampler (compare as .z, lod as .w). - (float4)(sampler1DARRAY, float4 s, [int texeloffset])",
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tex1DARRAYfetch = fn "performs an unfiltered texture lookup in a given sampler (lod as .z). - (float4)(sampler1DARRAY, int3 s, [int texeloffset])",
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tex1DARRAYlod = fn "performs a texture lookup with a specified level of detail in a given sampler (lod as .z) - (float4)(sampler1DARRAY, float3 s, [int texeloffset])",
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tex1DARRAYproj = fn "performs a texture lookup with projection in a given sampler. May perform a shadow comparison if argument for shadow comparison is provided. (shadow in .z for float3 coord, proj in .z or .w) - (float4)(sampler1DARRAY, float3/float4 s, [int texeloff])",
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tex1DARRAYsize = fn "returns the size of a given texture image for a given level of detail. (only gp4 profiles) - (int3)(sampler1DARRAY, int lod)",
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tex2DARRAY = fn "performs a texture lookup in a given 2D sampler array and, in some cases, a shadow comparison (as .w coord). May also use pre computed derivatives if those are provided. Texeloffset only in gp4 or higher profiles. - (float4)(sampler2DARRAY, float3/float4 s, {float2 dx, dy},[int texeloffset])",
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tex2DARRAYbias = fn "performs a texture lookup with bias in a given sampler (as .w). - (float4)(sampler2DARRAY, float4 s, [int texeloffset])",
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tex2DARRAYfetch = fn "performs an unfiltered texture lookup in a given sampler (lod as .w). - (float4)(sampler2DARRAY, int4 s, [int texeloffset])",
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tex2DARRAYlod = fn "performs a texture lookup with a specified level of detail in a given sampler (lod as .w) - (float4)(sampler2DARRAY, float4 s, [int texeloffset])",
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tex2DARRAYproj = fn "performs a texture lookup with projection in a given sampler. May perform a shadow comparison if argument for shadow comparison is provided. (proj in .w) - (float4)(sampler2DARRAY, float4 s, [int texeloff])",
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tex2DARRAYsize = fn "returns the size of a given texture image for a given level of detail. (only gp4 profiles) - (int3)(sampler2DARRAY, int lod)",
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texCUBEARRAY = fn "performs a texture lookup in a given CUBE sampler array. May also use pre computed derivatives if those are provided. Texeloffset only in gp4 or higher profiles. - (float4)(samplerCUBEARRAY, float4 s, {float3 dx, dy},[int texeloffset])",
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texCUBEARRAYsize = fn "returns the size of a given texture image for a given level of detail. (only gp4 profiles) - (int3)(samplerCUBEARRAY, int lod)",
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unpack_4ubyte = fn "interprets the single float as 4 normalized unsigned bytes and returns the vector. (only nv/gp4 profiles) - (float4)(float)",
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pack_4ubyte = fn "packs the floats into a single storing as normalized unsigned bytes.(only nv/gp4 profiles) - (float)(float4)",
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unpack_4byte = fn "interprets the single float as 4 normalized signed bytes and returns the vector. (only nv/gp4 profiles) - (float4)(float)",
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pack_4ubyte = fn "packs the floats into a single storing as normalized signed bytes.(only nv/gp4 profiles) - (float)(float4)",
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unpack_4ushort = fn "interprets the single float as 2 normalized unsigned shorts and returns the vector. (only nv/gp4 profiles) - (float2)(float)",
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pack_4ushort = fn "packs the floats into a single storing as normalized unsigned shorts.(only nv/gp4 profiles) - (float)(float2)",
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unpack_2half = fn "interprets the single float as 2 16-bit floats and returns the vector. (only nv/gp4 profiles) - (float2)(float)",
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pack_2half = fn "packs the floats into a single storing as 16-bit floats.(only nv/gp4 profiles) - (float)(float2)",
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}
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local keyw =
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[[int half float float3 float4 float2 float3x3 float3x4 float4x3 float4x4
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float1x2 float2x1 float2x2 float2x3 float3x2 float1x3 float3x1 float4x1 float1x4
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float2x4 float4x2 double1x4 double4x4 double4x2 double4x3 double3x4 double2x4 double1x4
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double half half2 half3 half4 int2 int3 uint uint2 uint3 uint4
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int4 bool bool2 bool3 bool4 string struct typedef
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usampler usampler1D usampler2D usampler3D usamplerRECT usamplerCUBE isampler1DARRAY usampler2DARRAY usamplerCUBEARRAY
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isampler isampler1D isampler2D isampler3D isamplerRECT isamplerCUBE isampler1DARRAY isampler2DARRAY isamplerCUBEARRAY
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usamplerBUF isamplerBUF samplerBUF
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sampler sampler1D sampler2D sampler3D samplerRECT samplerCUBE sampler1DARRAY sampler2DARRAY samplerCUBEARRAY
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texture texture1D texture2D texture3D textureRECT textureCUBE texture1DARRAY texture2DARRAY textureCUBEARRAY
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decl do else extern false for if in inline inout out pass
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pixelshader return shared static string technique true
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uniform vector vertexshader void volatile while
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asm compile const auto break case catch char class const_cast continue default delete
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dynamic_cast enum explicit friend goto long mutable namespace new operator private protected
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public register reinterpret_case short signed sizeof static_cast switch template this throw
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try typename union unsigned using virtual
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POSITION PSIZE DIFFUSE SPECULAR TEXCOORD FOG COLOR COLOR0 COLOR1 COLOR2 COLOR3 TEXCOORD0 TEXCOORD1 TEXCOORD2 TEXCOORD3
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TEXCOORD4 TEXCOORD5 TEXCOORD6 TEXCOORD7 TEXCOORD8 TEXCOORD9 TEXCOORD10 TEXCOORD11 TEXCOORD12 TEXCOORD13 TEXCOORD14
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TEXCOORD15
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NORMAL WPOS
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ATTR0 ATTR1 ATTR2 ATTR3 ATTR4 ATTR5 ATTR6 ATTR7 ATTR8 ATTR9 ATTR10 ATTR11 ATTR12 ATTR13 ATTR14 ATTR15
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TEXUNIT0 TEXUNIT1 TEXUNIT2 TEXUNIT3 TEXUNIT4 TEXUNIT5 TEXUNIT6 TEXUNIT7 TEXUNIT8 TEXUNIT9 TEXUNIT10 TEXUNIT11 TEXUNIT12
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TEXUNIT13 TEXUNIT14 TEXUNIT15
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PROJ PROJECTION PROJECTIONMATRIX PROJMATRIX
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PROJMATRIXINV PROJINV PROJECTIONINV PROJINVERSE PROJECTIONINVERSE PROJINVMATRIX PROJECTIONINVMATRIX PROJINVERSEMATRIX PROJECTIONINVERSEMATRIX
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VIEW VIEWMATRIX VIEWMATRIXINV VIEWINV VIEWINVERSE VIEWINVERSEMATRIX VIEWINVMATRIX
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VIEWPROJECTION VIEWPROJ VIEWPROJMATRIX VIEWPROJECTIONMATRIX
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WORLD WORLDMATRIX WORLDVIEW WORLDVIEWMATRIX
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WORLDVIEWPROJ WORLDVIEWPROJECTION WORLDVIEWPROJMATRIX WORLDVIEWPROJECTIONMATRIX
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VIEWPORTSIZE VIEWPORTDIMENSION
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VIEWPORTSIZEINV VIEWPORTSIZEINVERSE VIEWPORTDIMENSIONINV VIEWPORTDIMENSIONINVERSE INVERSEVIEWPORTDIMENSIONS
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FOGCOLOR FOGDISTANCE CAMERAWORLDPOS CAMERAWORLDDIR
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CENTROID FLAT NOPERSPECTIVE FACE PRIMITIVEID VERTEXID
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]]
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-- keywords - shouldn't be left out
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for w in keyw:gmatch("([_%w]+)") do
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api[w] = {type="keyword"}
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end
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return api
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