extern float fabsf(float val);
+/* helpers */
+
float4 absvec(float4 vec)
{
float4 res;
return res;
}
+float4 maxvec(float4 a, float4 b)
+{
+ 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};
+}
+
+float4 minvec(float4 a, float4 b)
+{
+ 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};
+}
+
+extern float powf(float num, float p);
+extern float sqrtf(float x);
+
+float4 powvec(float4 vec, float4 q)
+{
+ 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;
+}
+
+float4 sqrtvec(float4 vec)
+{
+ float4 p;
+ p.x = sqrtf(vec.x);
+ p.y = sqrtf(vec.y);
+ p.z = sqrtf(vec.z);
+ p.w = sqrtf(vec.w);
+ return p;
+}
+
+float4 sltvec(float4 v1, float4 v2)
+{
+ 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;
+}
+
+
+/* instructions */
+
void abs(float4 *res,
float4 tmp0x, float4 tmp0y, float4 tmp0z, float4 tmp0w)
{
res[3] = dot;
}
-
void dp4(float4 *res,
float4 tmp0x, float4 tmp0y, float4 tmp0z, float4 tmp0w,
float4 tmp1x, float4 tmp1y, float4 tmp1z, float4 tmp1w)
res[3] = dot;
}
-extern float powf(float num, float p);
-extern float sqrtf(float x);
-
-float4 powvec(float4 vec, float4 q)
-{
- 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 pow(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)
{
- res[0] = powvec(tmp0x, tmp1x);
- res[1] = res[0];
- res[2] = res[0];
- res[3] = res[0];
-}
+ 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};
-float4 minvec(float4 a, float4 b)
-{
- 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};
+ 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 min(float4 *res,
}
-float4 maxvec(float4 a, float4 b)
-{
- 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 max(float4 *res,
float4 tmp0x, float4 tmp0y, float4 tmp0z, float4 tmp0w,
float4 tmp1x, float4 tmp1y, float4 tmp1z, float4 tmp1w)
res[3] = maxvec(tmp0w, tmp1w);
}
-
-void lit(float4 *res,
- float4 tmp0x, float4 tmp0y, float4 tmp0z, float4 tmp0w)
-{
- 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};
-}
-
-
-float4 sqrtvec(float4 vec)
+void pow(float4 *res,
+ float4 tmp0x, float4 tmp0y, float4 tmp0z, float4 tmp0w,
+ float4 tmp1x, float4 tmp1y, float4 tmp1z, float4 tmp1w)
{
- float4 p;
- p.x = sqrtf(vec.x);
- p.y = sqrtf(vec.y);
- p.z = sqrtf(vec.z);
- p.w = sqrtf(vec.w);
- return p;
+ res[0] = powvec(tmp0x, tmp1x);
+ res[1] = res[0];
+ res[2] = res[0];
+ res[3] = res[0];
}
void rsq(float4 *res,
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)
+{
+ res[0] = sltvec(tmp0x, tmp1x);
+ res[1] = sltvec(tmp0y, tmp1y);
+ res[2] = sltvec(tmp0z, tmp1z);
+ res[3] = sltvec(tmp0w, tmp1w);
+}
+