soabuiltins.c File Reference

Go to the source code of this file.

Functions
typedef	__attribute__ ((ext_vector_type(4)))
float4	maxvec (float4 a, float4 b)
float4	minvec (float4 a, float4 b)
float	powf (float num, float p)
float	sqrtf (float x)
float4	powvec (float4 vec, float4 q)
float4	sqrtvec (float4 vec)
float4	sltvec (float4 v1, float4 v2)
void	abs (float4 *res, float4 tmp0x, float4 tmp0y, float4 tmp0z, float4 tmp0w)
void	dp3 (float4 *res, float4 tmp0x, float4 tmp0y, float4 tmp0z, float4 tmp0w, float4 tmp1x, float4 tmp1y, float4 tmp1z, float4 tmp1w)
void	dp4 (float4 *res, float4 tmp0x, float4 tmp0y, float4 tmp0z, float4 tmp0w, float4 tmp1x, float4 tmp1y, float4 tmp1z, float4 tmp1w)
void	lit (float4 *res, float4 tmp0x, float4 tmp0y, float4 tmp0z, float4 tmp0w)
void	min (float4 *res, float4 tmp0x, float4 tmp0y, float4 tmp0z, float4 tmp0w, float4 tmp1x, float4 tmp1y, float4 tmp1z, float4 tmp1w)
void	max (float4 *res, float4 tmp0x, float4 tmp0y, float4 tmp0z, float4 tmp0w, float4 tmp1x, float4 tmp1y, float4 tmp1z, float4 tmp1w)
void	pow (float4 *res, float4 tmp0x, float4 tmp0y, float4 tmp0z, float4 tmp0w, float4 tmp1x, float4 tmp1y, float4 tmp1z, float4 tmp1w)
void	rsq (float4 *res, float4 tmp0x, float4 tmp0y, float4 tmp0z, float4 tmp0w)
void	slt (float4 *res, float4 tmp0x, float4 tmp0y, float4 tmp0z, float4 tmp0w, float4 tmp1x, float4 tmp1y, float4 tmp1z, float4 tmp1w)

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Function Documentation

typedef __attribute__

(

(ext_vector_type(4))

)

Definition at line 34 of file soabuiltins.c.

{
   float4 res;
   res.x = fabsf(vec.x);
   res.y = fabsf(vec.y);
   res.z = fabsf(vec.z);
   res.w = fabsf(vec.w);

   return res;
}

void abs	(	float4 *	res,
		float4	tmp0x,
		float4	tmp0y,
		float4	tmp0z,
		float4	tmp0w
	)

Definition at line 104 of file soabuiltins.c.

{
   res[0] = absvec(tmp0x);
   res[1] = absvec(tmp0y);
   res[2] = absvec(tmp0z);
   res[3] = absvec(tmp0w);
}

void dp3	(	float4 *	res,
		float4	tmp0x,
		float4	tmp0y,
		float4	tmp0z,
		float4	tmp0w,
		float4	tmp1x,
		float4	tmp1y,
		float4	tmp1z,
		float4	tmp1w
	)

Definition at line 113 of file soabuiltins.c.

{
   float4 dot = (tmp0x * tmp1x) + (tmp0y * tmp1y) +
                (tmp0z * tmp1z);

   res[0] = dot;
   res[1] = dot;
   res[2] = dot;
   res[3] = dot;
}

void dp4	(	float4 *	res,
		float4	tmp0x,
		float4	tmp0y,
		float4	tmp0z,
		float4	tmp0w,
		float4	tmp1x,
		float4	tmp1y,
		float4	tmp1z,
		float4	tmp1w
	)

Definition at line 126 of file soabuiltins.c.

{
   float4 dot = (tmp0x * tmp1x) + (tmp0y * tmp1y) +
                (tmp0z * tmp1z) + (tmp0w * tmp1w);

   res[0] = dot;
   res[1] = dot;
   res[2] = dot;
   res[3] = dot;
}

void lit	(	float4 *	res,
		float4	tmp0x,
		float4	tmp0y,
		float4	tmp0z,
		float4	tmp0w
	)

Definition at line 139 of file soabuiltins.c.

References float4::f, maxvec(), minvec(), and powvec().

{
   const float4 zerovec = (float4) {0.0, 0.0, 0.0, 0.0};
   const float4 min128 = (float4) {-128.f, -128.f, -128.f, -128.f};
   const float4 plus128 = (float4) {128.f,  128.f,  128.f,  128.f};

   res[0] = (float4){1.0, 1.0, 1.0, 1.0};
   if (tmp0x.x > 0) {
      float4 tmpy = maxvec(tmp0y, zerovec);
      float4 tmpw = minvec(tmp0w, plus128);
      tmpw = maxvec(tmpw, min128);
      res[1] = tmp0x;
      res[2] = powvec(tmpy, tmpw);
   } else {
      res[1] = zerovec;
      res[2] = zerovec;
   }
   res[3] = (float4){1.0, 1.0, 1.0, 1.0};
}

void max	(	float4 *	res,
		float4	tmp0x,
		float4	tmp0y,
		float4	tmp0z,
		float4	tmp0w,
		float4	tmp1x,
		float4	tmp1y,
		float4	tmp1z,
		float4	tmp1w
	)

Definition at line 171 of file soabuiltins.c.

References maxvec().

{
   res[0] = maxvec(tmp0x, tmp1x);
   res[1] = maxvec(tmp0y, tmp1y);
   res[2] = maxvec(tmp0z, tmp1z);
   res[3] = maxvec(tmp0w, tmp1w);
}

float4 maxvec	(	float4	a,
		float4	b
	)

Definition at line 52 of file soabuiltins.c.

{
   return (float4){(a.x > b.x) ? a.x : b.x,
         (a.y > b.y) ? a.y : b.y,
         (a.z > b.z) ? a.z : b.z,
         (a.w > b.w) ? a.w : b.w};
}

void min	(	float4 *	res,
		float4	tmp0x,
		float4	tmp0y,
		float4	tmp0z,
		float4	tmp0w,
		float4	tmp1x,
		float4	tmp1y,
		float4	tmp1z,
		float4	tmp1w
	)

Definition at line 160 of file soabuiltins.c.

References minvec().

{
   res[0] = minvec(tmp0x, tmp1x);
   res[1] = minvec(tmp0y, tmp1y);
   res[2] = minvec(tmp0z, tmp1z);
   res[3] = minvec(tmp0w, tmp1w);
}

float4 minvec	(	float4	a,
		float4	b
	)

Definition at line 60 of file soabuiltins.c.

{
   return (float4){(a.x < b.x) ? a.x : b.x,
         (a.y < b.y) ? a.y : b.y,
         (a.z < b.z) ? a.z : b.z,
         (a.w < b.w) ? a.w : b.w};
}

void pow	(	float4 *	res,
		float4	tmp0x,
		float4	tmp0y,
		float4	tmp0z,
		float4	tmp0w,
		float4	tmp1x,
		float4	tmp1y,
		float4	tmp1z,
		float4	tmp1w
	)

Definition at line 181 of file soabuiltins.c.

References powvec().

{
   res[0] = powvec(tmp0x, tmp1x);
   res[1] = res[0];
   res[2] = res[0];
   res[3] = res[0];
}

float powf	(	float	num,
		float	p
	)

float4 powvec	(	float4	vec,
		float4	q
	)

Definition at line 71 of file soabuiltins.c.

References powf().

{
   float4 p;
   p.x = powf(vec.x, q.x);
   p.y = powf(vec.y, q.y);
   p.z = powf(vec.z, q.z);
   p.w = powf(vec.w, q.w);
   return p;
}

void rsq	(	float4 *	res,
		float4	tmp0x,
		float4	tmp0y,
		float4	tmp0z,
		float4	tmp0w
	)

Definition at line 191 of file soabuiltins.c.

References sqrtvec().

{
   const float4 onevec = (float4) {1., 1., 1., 1.};
   res[0] = onevec/sqrtvec(absvec(tmp0x));
   res[1] = onevec/sqrtvec(absvec(tmp0y));
   res[2] = onevec/sqrtvec(absvec(tmp0z));
   res[3] = onevec/sqrtvec(absvec(tmp0w));
}

void slt	(	float4 *	res,
		float4	tmp0x,
		float4	tmp0y,
		float4	tmp0z,
		float4	tmp0w,
		float4	tmp1x,
		float4	tmp1y,
		float4	tmp1z,
		float4	tmp1w
	)

Definition at line 201 of file soabuiltins.c.

References sltvec().

{
   res[0] = sltvec(tmp0x, tmp1x);
   res[1] = sltvec(tmp0y, tmp1y);
   res[2] = sltvec(tmp0z, tmp1z);
   res[3] = sltvec(tmp0w, tmp1w);
}

float4 sltvec	(	float4	v1,
		float4	v2
	)

Definition at line 91 of file soabuiltins.c.

{
   float4 p;
   p.x = (v1.x < v2.x) ? 1.0 : 0.0;
   p.y = (v1.y < v2.y) ? 1.0 : 0.0;
   p.z = (v1.z < v2.z) ? 1.0 : 0.0;
   p.w = (v1.w < v2.w) ? 1.0 : 0.0;
   return p;
}

float sqrtf

(

float

x

)

float4 sqrtvec

(

float4

vec

)

Definition at line 81 of file soabuiltins.c.

References sqrtf().

{
   float4 p;
   p.x = sqrtf(vec.x);
   p.y = sqrtf(vec.y);
   p.z = sqrtf(vec.z);
   p.w = sqrtf(vec.w);
   return p;
}

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