blob: 32b25d5f1c0e9d2be775ecdca194cb4bc7a3d281 [file] [log] [blame]
#include "rs_types.rsh"
extern float2 __attribute__((overloadable)) convert_float2(int2 c);
extern float3 __attribute__((overloadable)) convert_float3(int3 c);
extern float4 __attribute__((overloadable)) convert_float4(int4 c);
// Float ops, 6.11.2
#define FN_FUNC_FN(fnc) \
extern float2 __attribute__((overloadable)) fnc(float2 v) { \
float2 r; \
r.x = fnc(v.x); \
r.y = fnc(v.y); \
return r; \
} \
extern float3 __attribute__((overloadable)) fnc(float3 v) { \
float3 r; \
r.x = fnc(v.x); \
r.y = fnc(v.y); \
r.z = fnc(v.z); \
return r; \
} \
extern float4 __attribute__((overloadable)) fnc(float4 v) { \
float4 r; \
r.x = fnc(v.x); \
r.y = fnc(v.y); \
r.z = fnc(v.z); \
r.w = fnc(v.w); \
return r; \
}
#define IN_FUNC_FN(fnc) \
extern int2 __attribute__((overloadable)) fnc(float2 v) { \
int2 r; \
r.x = fnc(v.x); \
r.y = fnc(v.y); \
return r; \
} \
extern int3 __attribute__((overloadable)) fnc(float3 v) { \
int3 r; \
r.x = fnc(v.x); \
r.y = fnc(v.y); \
r.z = fnc(v.z); \
return r; \
} \
extern int4 __attribute__((overloadable)) fnc(float4 v) { \
int4 r; \
r.x = fnc(v.x); \
r.y = fnc(v.y); \
r.z = fnc(v.z); \
r.w = fnc(v.w); \
return r; \
}
#define FN_FUNC_FN_FN(fnc) \
extern float2 __attribute__((overloadable)) fnc(float2 v1, float2 v2) { \
float2 r; \
r.x = fnc(v1.x, v2.x); \
r.y = fnc(v1.y, v2.y); \
return r; \
} \
extern float3 __attribute__((overloadable)) fnc(float3 v1, float3 v2) { \
float3 r; \
r.x = fnc(v1.x, v2.x); \
r.y = fnc(v1.y, v2.y); \
r.z = fnc(v1.z, v2.z); \
return r; \
} \
extern float4 __attribute__((overloadable)) fnc(float4 v1, float4 v2) { \
float4 r; \
r.x = fnc(v1.x, v2.x); \
r.y = fnc(v1.y, v2.y); \
r.z = fnc(v1.z, v2.z); \
r.w = fnc(v1.w, v2.w); \
return r; \
}
#define FN_FUNC_FN_F(fnc) \
extern float2 __attribute__((overloadable)) fnc(float2 v1, float v2) { \
float2 r; \
r.x = fnc(v1.x, v2); \
r.y = fnc(v1.y, v2); \
return r; \
} \
extern float3 __attribute__((overloadable)) fnc(float3 v1, float v2) { \
float3 r; \
r.x = fnc(v1.x, v2); \
r.y = fnc(v1.y, v2); \
r.z = fnc(v1.z, v2); \
return r; \
} \
extern float4 __attribute__((overloadable)) fnc(float4 v1, float v2) { \
float4 r; \
r.x = fnc(v1.x, v2); \
r.y = fnc(v1.y, v2); \
r.z = fnc(v1.z, v2); \
r.w = fnc(v1.w, v2); \
return r; \
}
#define FN_FUNC_FN_IN(fnc) \
extern float2 __attribute__((overloadable)) fnc(float2 v1, int2 v2) { \
float2 r; \
r.x = fnc(v1.x, v2.x); \
r.y = fnc(v1.y, v2.y); \
return r; \
} \
extern float3 __attribute__((overloadable)) fnc(float3 v1, int3 v2) { \
float3 r; \
r.x = fnc(v1.x, v2.x); \
r.y = fnc(v1.y, v2.y); \
r.z = fnc(v1.z, v2.z); \
return r; \
} \
extern float4 __attribute__((overloadable)) fnc(float4 v1, int4 v2) { \
float4 r; \
r.x = fnc(v1.x, v2.x); \
r.y = fnc(v1.y, v2.y); \
r.z = fnc(v1.z, v2.z); \
r.w = fnc(v1.w, v2.w); \
return r; \
}
#define FN_FUNC_FN_I(fnc) \
extern float2 __attribute__((overloadable)) fnc(float2 v1, int v2) { \
float2 r; \
r.x = fnc(v1.x, v2); \
r.y = fnc(v1.y, v2); \
return r; \
} \
extern float3 __attribute__((overloadable)) fnc(float3 v1, int v2) { \
float3 r; \
r.x = fnc(v1.x, v2); \
r.y = fnc(v1.y, v2); \
r.z = fnc(v1.z, v2); \
return r; \
} \
extern float4 __attribute__((overloadable)) fnc(float4 v1, int v2) { \
float4 r; \
r.x = fnc(v1.x, v2); \
r.y = fnc(v1.y, v2); \
r.z = fnc(v1.z, v2); \
r.w = fnc(v1.w, v2); \
return r; \
}
#define FN_FUNC_FN_PFN(fnc) \
extern float2 __attribute__((overloadable)) \
fnc(float2 v1, float2 *v2) { \
float2 r; \
float t[2]; \
r.x = fnc(v1.x, &t[0]); \
r.y = fnc(v1.y, &t[1]); \
v2->x = t[0]; \
v2->y = t[1]; \
return r; \
} \
extern float3 __attribute__((overloadable)) \
fnc(float3 v1, float3 *v2) { \
float3 r; \
float t[3]; \
r.x = fnc(v1.x, &t[0]); \
r.y = fnc(v1.y, &t[1]); \
r.z = fnc(v1.z, &t[2]); \
v2->x = t[0]; \
v2->y = t[1]; \
v2->z = t[2]; \
return r; \
} \
extern float4 __attribute__((overloadable)) \
fnc(float4 v1, float4 *v2) { \
float4 r; \
float t[4]; \
r.x = fnc(v1.x, &t[0]); \
r.y = fnc(v1.y, &t[1]); \
r.z = fnc(v1.z, &t[2]); \
r.w = fnc(v1.w, &t[3]); \
v2->x = t[0]; \
v2->y = t[1]; \
v2->z = t[2]; \
v2->w = t[3]; \
return r; \
}
#define FN_FUNC_FN_PIN(fnc) \
extern float2 __attribute__((overloadable)) fnc(float2 v1, int2 *v2) { \
float2 r; \
int t[2]; \
r.x = fnc(v1.x, &t[0]); \
r.y = fnc(v1.y, &t[1]); \
v2->x = t[0]; \
v2->y = t[1]; \
return r; \
} \
extern float3 __attribute__((overloadable)) fnc(float3 v1, int3 *v2) { \
float3 r; \
int t[3]; \
r.x = fnc(v1.x, &t[0]); \
r.y = fnc(v1.y, &t[1]); \
r.z = fnc(v1.z, &t[2]); \
v2->x = t[0]; \
v2->y = t[1]; \
v2->z = t[2]; \
return r; \
} \
extern float4 __attribute__((overloadable)) fnc(float4 v1, int4 *v2) { \
float4 r; \
int t[4]; \
r.x = fnc(v1.x, &t[0]); \
r.y = fnc(v1.y, &t[1]); \
r.z = fnc(v1.z, &t[2]); \
r.w = fnc(v1.w, &t[3]); \
v2->x = t[0]; \
v2->y = t[1]; \
v2->z = t[2]; \
v2->w = t[3]; \
return r; \
}
#define FN_FUNC_FN_FN_FN(fnc) \
extern float2 __attribute__((overloadable)) \
fnc(float2 v1, float2 v2, float2 v3) { \
float2 r; \
r.x = fnc(v1.x, v2.x, v3.x); \
r.y = fnc(v1.y, v2.y, v3.y); \
return r; \
} \
extern float3 __attribute__((overloadable)) \
fnc(float3 v1, float3 v2, float3 v3) { \
float3 r; \
r.x = fnc(v1.x, v2.x, v3.x); \
r.y = fnc(v1.y, v2.y, v3.y); \
r.z = fnc(v1.z, v2.z, v3.z); \
return r; \
} \
extern float4 __attribute__((overloadable)) \
fnc(float4 v1, float4 v2, float4 v3) { \
float4 r; \
r.x = fnc(v1.x, v2.x, v3.x); \
r.y = fnc(v1.y, v2.y, v3.y); \
r.z = fnc(v1.z, v2.z, v3.z); \
r.w = fnc(v1.w, v2.w, v3.w); \
return r; \
}
#define FN_FUNC_FN_FN_PIN(fnc) \
extern float2 __attribute__((overloadable)) \
fnc(float2 v1, float2 v2, int2 *v3) { \
float2 r; \
int t[2]; \
r.x = fnc(v1.x, v2.x, &t[0]); \
r.y = fnc(v1.y, v2.y, &t[1]); \
v3->x = t[0]; \
v3->y = t[1]; \
return r; \
} \
extern float3 __attribute__((overloadable)) \
fnc(float3 v1, float3 v2, int3 *v3) { \
float3 r; \
int t[3]; \
r.x = fnc(v1.x, v2.x, &t[0]); \
r.y = fnc(v1.y, v2.y, &t[1]); \
r.z = fnc(v1.z, v2.z, &t[2]); \
v3->x = t[0]; \
v3->y = t[1]; \
v3->z = t[2]; \
return r; \
} \
extern float4 __attribute__((overloadable)) \
fnc(float4 v1, float4 v2, int4 *v3) { \
float4 r; \
int t[4]; \
r.x = fnc(v1.x, v2.x, &t[0]); \
r.y = fnc(v1.y, v2.y, &t[1]); \
r.z = fnc(v1.z, v2.z, &t[2]); \
r.w = fnc(v1.w, v2.w, &t[3]); \
v3->x = t[0]; \
v3->y = t[1]; \
v3->z = t[2]; \
v3->w = t[3]; \
return r; \
}
static const int iposinf = 0x7f800000;
static const int ineginf = 0xff800000;
static const float posinf() {
float f = *((float*)&iposinf);
return f;
}
static const float neginf() {
float f = *((float*)&ineginf);
return f;
}
static bool isinf(float f) {
int i = *((int*)(void*)&f);
return (i == iposinf) || (i == ineginf);
}
static bool isnan(float f) {
int i = *((int*)(void*)&f);
return (((i & 0x7f800000) == 0x7f800000) && (i & 0x007fffff));
}
static bool isposzero(float f) {
int i = *((int*)(void*)&f);
return (i == 0x00000000);
}
static bool isnegzero(float f) {
int i = *((int*)(void*)&f);
return (i == 0x80000000);
}
static bool iszero(float f) {
return isposzero(f) || isnegzero(f);
}
extern float __attribute__((overloadable)) acos(float);
FN_FUNC_FN(acos)
extern float __attribute__((overloadable)) acosh(float);
FN_FUNC_FN(acosh)
extern float __attribute__((overloadable)) acospi(float v) {
return acos(v) / M_PI;
}
FN_FUNC_FN(acospi)
extern float __attribute__((overloadable)) asin(float);
FN_FUNC_FN(asin)
extern float __attribute__((overloadable)) asinh(float);
FN_FUNC_FN(asinh)
extern float __attribute__((overloadable)) asinpi(float v) {
return asin(v) / M_PI;
}
FN_FUNC_FN(asinpi)
extern float __attribute__((overloadable)) atan(float);
FN_FUNC_FN(atan)
extern float __attribute__((overloadable)) atan2(float, float);
FN_FUNC_FN_FN(atan2)
extern float __attribute__((overloadable)) atanh(float);
FN_FUNC_FN(atanh)
extern float __attribute__((overloadable)) atanpi(float v) {
return atan(v) / M_PI;
}
FN_FUNC_FN(atanpi)
extern float __attribute__((overloadable)) atan2pi(float y, float x) {
return atan2(y, x) / M_PI;
}
FN_FUNC_FN_FN(atan2pi)
extern float __attribute__((overloadable)) cbrt(float);
FN_FUNC_FN(cbrt)
extern float __attribute__((overloadable)) ceil(float);
FN_FUNC_FN(ceil)
extern float __attribute__((overloadable)) copysign(float, float);
FN_FUNC_FN_FN(copysign)
extern float __attribute__((overloadable)) cos(float);
FN_FUNC_FN(cos)
extern float __attribute__((overloadable)) cosh(float);
FN_FUNC_FN(cosh)
extern float __attribute__((overloadable)) cospi(float v) {
return cos(v * M_PI);
}
FN_FUNC_FN(cospi)
extern float __attribute__((overloadable)) erfc(float);
FN_FUNC_FN(erfc)
extern float __attribute__((overloadable)) erf(float);
FN_FUNC_FN(erf)
extern float __attribute__((overloadable)) exp(float);
FN_FUNC_FN(exp)
extern float __attribute__((overloadable)) exp2(float);
FN_FUNC_FN(exp2)
extern float __attribute__((overloadable)) pow(float, float);
extern float __attribute__((overloadable)) exp10(float v) {
return pow(10.f, v);
}
FN_FUNC_FN(exp10)
extern float __attribute__((overloadable)) expm1(float);
FN_FUNC_FN(expm1)
extern float __attribute__((overloadable)) fabs(float v);
extern float2 __attribute__((overloadable)) fabs(float2 v);
extern float3 __attribute__((overloadable)) fabs(float3 v);
extern float4 __attribute__((overloadable)) fabs(float4 v);
extern float __attribute__((overloadable)) fdim(float, float);
FN_FUNC_FN_FN(fdim)
extern float __attribute__((overloadable)) floor(float);
FN_FUNC_FN(floor)
extern float __attribute__((overloadable)) fma(float, float, float);
FN_FUNC_FN_FN_FN(fma)
extern float __attribute__((overloadable)) fmin(float, float);
extern float __attribute__((overloadable)) fmod(float, float);
FN_FUNC_FN_FN(fmod)
extern float __attribute__((overloadable)) fract(float v) {
int i = (int)floor(v);
return fmin(v - i, 0x1.fffffep-1f);
}
FN_FUNC_FN(fract)
extern float __attribute__((overloadable)) fract(float v, float *iptr) {
int i = (int)floor(v);
if (iptr) {
iptr[0] = i;
}
return fmin(v - i, 0x1.fffffep-1f);
}
FN_FUNC_FN_PFN(fract)
extern float __attribute__((overloadable)) frexp(float, int *);
FN_FUNC_FN_PIN(frexp)
extern float __attribute__((overloadable)) hypot(float, float);
FN_FUNC_FN_FN(hypot)
extern int __attribute__((overloadable)) ilogb(float);
IN_FUNC_FN(ilogb)
extern float __attribute__((overloadable)) ldexp(float, int);
FN_FUNC_FN_IN(ldexp)
FN_FUNC_FN_I(ldexp)
extern float __attribute__((overloadable)) lgamma(float);
FN_FUNC_FN(lgamma)
extern float __attribute__((overloadable)) lgamma(float, int*);
FN_FUNC_FN_PIN(lgamma)
extern float __attribute__((overloadable)) log(float);
FN_FUNC_FN(log)
extern float __attribute__((overloadable)) log10(float);
FN_FUNC_FN(log10)
extern float __attribute__((overloadable)) log2(float v) {
return log10(v) / log10(2.f);
}
FN_FUNC_FN(log2)
extern float __attribute__((overloadable)) log1p(float);
FN_FUNC_FN(log1p)
extern float __attribute__((overloadable)) logb(float);
FN_FUNC_FN(logb)
extern float __attribute__((overloadable)) mad(float a, float b, float c) {
return a * b + c;
}
extern float2 __attribute__((overloadable)) mad(float2 a, float2 b, float2 c) {
return a * b + c;
}
extern float3 __attribute__((overloadable)) mad(float3 a, float3 b, float3 c) {
return a * b + c;
}
extern float4 __attribute__((overloadable)) mad(float4 a, float4 b, float4 c) {
return a * b + c;
}
extern float __attribute__((overloadable)) modf(float, float *);
FN_FUNC_FN_PFN(modf);
extern float __attribute__((overloadable)) nan(uint v) {
float f[1];
uint32_t *ip = (uint32_t *)f;
*ip = v | 0x7fc00000;
return f[0];
}
extern float __attribute__((overloadable)) nextafter(float, float);
FN_FUNC_FN_FN(nextafter)
FN_FUNC_FN_FN(pow)
extern float __attribute__((overloadable)) pown(float v, int p) {
return pow(v, (float)p);
}
extern float2 __attribute__((overloadable)) pown(float2 v, int2 p) {
float2 f2 = convert_float2(p);
return pow(v, f2);
}
extern float3 __attribute__((overloadable)) pown(float3 v, int3 p) {
float3 f3 = convert_float3(p);
return pow(v, f3);
}
extern float4 __attribute__((overloadable)) pown(float4 v, int4 p) {
float4 f4 = convert_float4(p);
return pow(v, f4);
}
extern float __attribute__((overloadable)) powr(float v, float p) {
return pow(v, p);
}
extern float2 __attribute__((overloadable)) powr(float2 v, float2 p) {
return pow(v, p);
}
extern float3 __attribute__((overloadable)) powr(float3 v, float3 p) {
return pow(v, p);
}
extern float4 __attribute__((overloadable)) powr(float4 v, float4 p) {
return pow(v, p);
}
extern float __attribute__((overloadable)) remainder(float, float);
FN_FUNC_FN_FN(remainder)
extern float __attribute__((overloadable)) remquo(float, float, int *);
FN_FUNC_FN_FN_PIN(remquo)
extern float __attribute__((overloadable)) rint(float);
FN_FUNC_FN(rint)
extern float __attribute__((overloadable)) rootn(float v, int r) {
if (r == 0) {
return nan(0);
}
if (iszero(v)) {
if (r < 0) {
if (r & 1) {
return copysign(posinf(), v);
} else {
return posinf();
}
} else {
if (r & 1) {
return copysign(0.f, v);
} else {
return 0.f;
}
}
}
if (!isinf(v) && !isnan(v) && (v < 0.f)) {
if (r & 1) {
return (-1.f * pow(-1.f * v, 1.f / r));
} else {
return nan(0);
}
}
return pow(v, 1.f / r);
}
FN_FUNC_FN_IN(rootn);
extern float __attribute__((overloadable)) round(float);
FN_FUNC_FN(round)
extern float __attribute__((overloadable)) sqrt(float);
extern float __attribute__((overloadable)) rsqrt(float v) {
return 1.f / sqrt(v);
}
FN_FUNC_FN(rsqrt)
extern float __attribute__((overloadable)) sin(float);
FN_FUNC_FN(sin)
extern float __attribute__((overloadable)) sincos(float v, float *cosptr) {
*cosptr = cos(v);
return sin(v);
}
extern float2 __attribute__((overloadable)) sincos(float2 v, float2 *cosptr) {
*cosptr = cos(v);
return sin(v);
}
extern float3 __attribute__((overloadable)) sincos(float3 v, float3 *cosptr) {
*cosptr = cos(v);
return sin(v);
}
extern float4 __attribute__((overloadable)) sincos(float4 v, float4 *cosptr) {
*cosptr = cos(v);
return sin(v);
}
extern float __attribute__((overloadable)) sinh(float);
FN_FUNC_FN(sinh)
extern float __attribute__((overloadable)) sinpi(float v) {
return sin(v * M_PI);
}
FN_FUNC_FN(sinpi)
FN_FUNC_FN(sqrt)
extern float __attribute__((overloadable)) tan(float);
FN_FUNC_FN(tan)
extern float __attribute__((overloadable)) tanh(float);
FN_FUNC_FN(tanh)
extern float __attribute__((overloadable)) tanpi(float v) {
return tan(v * M_PI);
}
FN_FUNC_FN(tanpi)
extern float __attribute__((overloadable)) tgamma(float);
FN_FUNC_FN(tgamma)
extern float __attribute__((overloadable)) trunc(float);
FN_FUNC_FN(trunc)
// Int ops (partial), 6.11.3
#define XN_FUNC_YN(typeout, fnc, typein) \
extern typeout __attribute__((overloadable)) fnc(typein); \
extern typeout##2 __attribute__((overloadable)) fnc(typein##2 v) { \
typeout##2 r; \
r.x = fnc(v.x); \
r.y = fnc(v.y); \
return r; \
} \
extern typeout##3 __attribute__((overloadable)) fnc(typein##3 v) { \
typeout##3 r; \
r.x = fnc(v.x); \
r.y = fnc(v.y); \
r.z = fnc(v.z); \
return r; \
} \
extern typeout##4 __attribute__((overloadable)) fnc(typein##4 v) { \
typeout##4 r; \
r.x = fnc(v.x); \
r.y = fnc(v.y); \
r.z = fnc(v.z); \
r.w = fnc(v.w); \
return r; \
}
#define UIN_FUNC_IN(fnc) \
XN_FUNC_YN(uchar, fnc, char) \
XN_FUNC_YN(ushort, fnc, short) \
XN_FUNC_YN(uint, fnc, int)
#define IN_FUNC_IN(fnc) \
XN_FUNC_YN(uchar, fnc, uchar) \
XN_FUNC_YN(char, fnc, char) \
XN_FUNC_YN(ushort, fnc, ushort) \
XN_FUNC_YN(short, fnc, short) \
XN_FUNC_YN(uint, fnc, uint) \
XN_FUNC_YN(int, fnc, int)
#define XN_FUNC_XN_XN_BODY(type, fnc, body) \
extern type __attribute__((overloadable)) \
fnc(type v1, type v2) { \
return body; \
} \
extern type##2 __attribute__((overloadable)) \
fnc(type##2 v1, type##2 v2) { \
type##2 r; \
r.x = fnc(v1.x, v2.x); \
r.y = fnc(v1.y, v2.y); \
return r; \
} \
extern type##3 __attribute__((overloadable)) \
fnc(type##3 v1, type##3 v2) { \
type##3 r; \
r.x = fnc(v1.x, v2.x); \
r.y = fnc(v1.y, v2.y); \
r.z = fnc(v1.z, v2.z); \
return r; \
} \
extern type##4 __attribute__((overloadable)) \
fnc(type##4 v1, type##4 v2) { \
type##4 r; \
r.x = fnc(v1.x, v2.x); \
r.y = fnc(v1.y, v2.y); \
r.z = fnc(v1.z, v2.z); \
r.w = fnc(v1.w, v2.w); \
return r; \
}
#define IN_FUNC_IN_IN_BODY(fnc, body) \
XN_FUNC_XN_XN_BODY(uchar, fnc, body) \
XN_FUNC_XN_XN_BODY(char, fnc, body) \
XN_FUNC_XN_XN_BODY(ushort, fnc, body) \
XN_FUNC_XN_XN_BODY(short, fnc, body) \
XN_FUNC_XN_XN_BODY(uint, fnc, body) \
XN_FUNC_XN_XN_BODY(int, fnc, body) \
XN_FUNC_XN_XN_BODY(float, fnc, body)
UIN_FUNC_IN(abs)
IN_FUNC_IN(clz)
// 6.11.4
extern float __attribute__((overloadable)) degrees(float radians) {
return radians * (180.f / M_PI);
}
extern float2 __attribute__((overloadable)) degrees(float2 radians) {
return radians * (180.f / M_PI);
}
extern float3 __attribute__((overloadable)) degrees(float3 radians) {
return radians * (180.f / M_PI);
}
extern float4 __attribute__((overloadable)) degrees(float4 radians) {
return radians * (180.f / M_PI);
}
extern float __attribute__((overloadable)) mix(float start, float stop, float amount) {
return start + (stop - start) * amount;
}
extern float2 __attribute__((overloadable)) mix(float2 start, float2 stop, float2 amount) {
return start + (stop - start) * amount;
}
extern float3 __attribute__((overloadable)) mix(float3 start, float3 stop, float3 amount) {
return start + (stop - start) * amount;
}
extern float4 __attribute__((overloadable)) mix(float4 start, float4 stop, float4 amount) {
return start + (stop - start) * amount;
}
extern float2 __attribute__((overloadable)) mix(float2 start, float2 stop, float amount) {
return start + (stop - start) * amount;
}
extern float3 __attribute__((overloadable)) mix(float3 start, float3 stop, float amount) {
return start + (stop - start) * amount;
}
extern float4 __attribute__((overloadable)) mix(float4 start, float4 stop, float amount) {
return start + (stop - start) * amount;
}
extern float __attribute__((overloadable)) radians(float degrees) {
return degrees * (M_PI / 180.f);
}
extern float2 __attribute__((overloadable)) radians(float2 degrees) {
return degrees * (M_PI / 180.f);
}
extern float3 __attribute__((overloadable)) radians(float3 degrees) {
return degrees * (M_PI / 180.f);
}
extern float4 __attribute__((overloadable)) radians(float4 degrees) {
return degrees * (M_PI / 180.f);
}
extern float __attribute__((overloadable)) step(float edge, float v) {
return (v < edge) ? 0.f : 1.f;
}
extern float2 __attribute__((overloadable)) step(float2 edge, float2 v) {
float2 r;
r.x = (v.x < edge.x) ? 0.f : 1.f;
r.y = (v.y < edge.y) ? 0.f : 1.f;
return r;
}
extern float3 __attribute__((overloadable)) step(float3 edge, float3 v) {
float3 r;
r.x = (v.x < edge.x) ? 0.f : 1.f;
r.y = (v.y < edge.y) ? 0.f : 1.f;
r.z = (v.z < edge.z) ? 0.f : 1.f;
return r;
}
extern float4 __attribute__((overloadable)) step(float4 edge, float4 v) {
float4 r;
r.x = (v.x < edge.x) ? 0.f : 1.f;
r.y = (v.y < edge.y) ? 0.f : 1.f;
r.z = (v.z < edge.z) ? 0.f : 1.f;
r.w = (v.w < edge.w) ? 0.f : 1.f;
return r;
}
extern float2 __attribute__((overloadable)) step(float2 edge, float v) {
float2 r;
r.x = (v < edge.x) ? 0.f : 1.f;
r.y = (v < edge.y) ? 0.f : 1.f;
return r;
}
extern float3 __attribute__((overloadable)) step(float3 edge, float v) {
float3 r;
r.x = (v < edge.x) ? 0.f : 1.f;
r.y = (v < edge.y) ? 0.f : 1.f;
r.z = (v < edge.z) ? 0.f : 1.f;
return r;
}
extern float4 __attribute__((overloadable)) step(float4 edge, float v) {
float4 r;
r.x = (v < edge.x) ? 0.f : 1.f;
r.y = (v < edge.y) ? 0.f : 1.f;
r.z = (v < edge.z) ? 0.f : 1.f;
r.w = (v < edge.w) ? 0.f : 1.f;
return r;
}
extern float __attribute__((overloadable)) smoothstep(float, float, float);
extern float2 __attribute__((overloadable)) smoothstep(float2, float2, float2);
extern float3 __attribute__((overloadable)) smoothstep(float3, float3, float3);
extern float4 __attribute__((overloadable)) smoothstep(float4, float4, float4);
extern float2 __attribute__((overloadable)) smoothstep(float, float, float2);
extern float3 __attribute__((overloadable)) smoothstep(float, float, float3);
extern float4 __attribute__((overloadable)) smoothstep(float, float, float4);
extern float __attribute__((overloadable)) sign(float v) {
if (v > 0) return 1.f;
if (v < 0) return -1.f;
return v;
}
FN_FUNC_FN(sign)
// 6.11.5
extern float3 __attribute__((overloadable)) cross(float3 lhs, float3 rhs) {
float3 r;
r.x = lhs.y * rhs.z - lhs.z * rhs.y;
r.y = lhs.z * rhs.x - lhs.x * rhs.z;
r.z = lhs.x * rhs.y - lhs.y * rhs.x;
return r;
}
extern float4 __attribute__((overloadable)) cross(float4 lhs, float4 rhs) {
float4 r;
r.x = lhs.y * rhs.z - lhs.z * rhs.y;
r.y = lhs.z * rhs.x - lhs.x * rhs.z;
r.z = lhs.x * rhs.y - lhs.y * rhs.x;
r.w = 0.f;
return r;
}
extern float __attribute__((overloadable)) dot(float lhs, float rhs) {
return lhs * rhs;
}
extern float __attribute__((overloadable)) dot(float2 lhs, float2 rhs) {
return lhs.x*rhs.x + lhs.y*rhs.y;
}
extern float __attribute__((overloadable)) dot(float3 lhs, float3 rhs) {
return lhs.x*rhs.x + lhs.y*rhs.y + lhs.z*rhs.z;
}
extern float __attribute__((overloadable)) dot(float4 lhs, float4 rhs) {
return lhs.x*rhs.x + lhs.y*rhs.y + lhs.z*rhs.z + lhs.w*rhs.w;
}
extern float __attribute__((overloadable)) length(float v) {
return fabs(v);
}
extern float __attribute__((overloadable)) length(float2 v) {
return sqrt(v.x*v.x + v.y*v.y);
}
extern float __attribute__((overloadable)) length(float3 v) {
return sqrt(v.x*v.x + v.y*v.y + v.z*v.z);
}
extern float __attribute__((overloadable)) length(float4 v) {
return sqrt(v.x*v.x + v.y*v.y + v.z*v.z + v.w*v.w);
}
extern float __attribute__((overloadable)) distance(float lhs, float rhs) {
return length(lhs - rhs);
}
extern float __attribute__((overloadable)) distance(float2 lhs, float2 rhs) {
return length(lhs - rhs);
}
extern float __attribute__((overloadable)) distance(float3 lhs, float3 rhs) {
return length(lhs - rhs);
}
extern float __attribute__((overloadable)) distance(float4 lhs, float4 rhs) {
return length(lhs - rhs);
}
extern float __attribute__((overloadable)) normalize(float v) {
return 1.f;
}
extern float2 __attribute__((overloadable)) normalize(float2 v) {
return v / length(v);
}
extern float3 __attribute__((overloadable)) normalize(float3 v) {
return v / length(v);
}
extern float4 __attribute__((overloadable)) normalize(float4 v) {
return v / length(v);
}
extern float __attribute__((overloadable)) half_sqrt(float);
extern float __attribute__((overloadable)) fast_length(float v) {
return v;
}
extern float __attribute__((overloadable)) fast_length(float2 v) {
return half_sqrt(v.x*v.x + v.y*v.y);
}
extern float __attribute__((overloadable)) fast_length(float3 v) {
return half_sqrt(v.x*v.x + v.y*v.y + v.z*v.z);
}
extern float __attribute__((overloadable)) fast_length(float4 v) {
return half_sqrt(v.x*v.x + v.y*v.y + v.z*v.z + v.w*v.w);
}
extern float __attribute__((overloadable)) fast_distance(float lhs, float rhs) {
return fast_length(lhs - rhs);
}
extern float __attribute__((overloadable)) fast_distance(float2 lhs, float2 rhs) {
return fast_length(lhs - rhs);
}
extern float __attribute__((overloadable)) fast_distance(float3 lhs, float3 rhs) {
return fast_length(lhs - rhs);
}
extern float __attribute__((overloadable)) fast_distance(float4 lhs, float4 rhs) {
return fast_length(lhs - rhs);
}
extern float __attribute__((overloadable)) half_rsqrt(float);
extern float __attribute__((overloadable)) fast_normalize(float v) {
return 1.f;
}
extern float2 __attribute__((overloadable)) fast_normalize(float2 v) {
return v * half_rsqrt(v.x*v.x + v.y*v.y);
}
extern float3 __attribute__((overloadable)) fast_normalize(float3 v) {
return v * half_rsqrt(v.x*v.x + v.y*v.y + v.z*v.z);
}
extern float4 __attribute__((overloadable)) fast_normalize(float4 v) {
return v * half_rsqrt(v.x*v.x + v.y*v.y + v.z*v.z + v.w*v.w);
}
extern float __attribute__((overloadable)) half_recip(float);
/*
extern float __attribute__((overloadable)) approx_atan(float x) {
if (x == 0.f)
return 0.f;
if (x < 0.f)
return -1.f * approx_atan(-1.f * x);
if (x > 1.f)
return M_PI_2 - approx_atan(approx_recip(x));
return x * approx_recip(1.f + 0.28f * x*x);
}
FN_FUNC_FN(approx_atan)
*/
#undef FN_FUNC_FN
#undef IN_FUNC_FN
#undef FN_FUNC_FN_FN
#undef FN_FUNC_FN_F
#undef FN_FUNC_FN_IN
#undef FN_FUNC_FN_I
#undef FN_FUNC_FN_PFN
#undef FN_FUNC_FN_PIN
#undef FN_FUNC_FN_FN_FN
#undef FN_FUNC_FN_FN_PIN
#undef XN_FUNC_YN
#undef UIN_FUNC_IN
#undef IN_FUNC_IN
#undef XN_FUNC_XN_XN_BODY
#undef IN_FUNC_IN_IN_BODY