static vector float appbones (State *s,
struct skin *skin,
vector float x,
vector float y,
vector float z,
vector float nx,
vector float ny,
vector float nz,
vector float *np)
{
int j;
int num_bones;
int bone_index;
struct abone *b;
vector float vz = (vector float) vec_splat_u32 (0);
vector float v, w, n;
vector unsigned char S = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,4<<3};
v = n = vz;
w = vec_ld (0, skin->weights);
num_bones = skin->boneinfo & 3;
bone_index = skin->boneinfo >> 2;
for (j = 0; j < num_bones; ++j) {
vector float t0, t1, t2, t3, t4, t5, r0, r1, r2, r3, vw;
b = &s->abones[bone_index & 0x3ff];
bone_index >>= 10;
vw = vec_splat (w, 0);
w = vec_slo (w, S);
r0 = vec_ld ( 0, b->cm);
r1 = vec_ld (16, b->cm);
r2 = vec_ld (32, b->cm);
r3 = vec_ld (48, b->cm);
t0 = vec_madd (r0, x, r3);
t1 = vec_madd (r1, y, t0);
t2 = vec_madd (r2, z, t1);
v = vec_madd (t2, vw, v);
t3 = vec_madd (r0, nx, vz);
t4 = vec_madd (r1, ny, t3);
t5 = vec_madd (r2, nz, t4);
n = vec_madd (t5, vw, n);
}
*np = n;
return v;
}
vector unsigned long long
test_slo_vull_slo_vull_vuc (vector unsigned long long x,
vector unsigned char y)
{
return vec_slo (x, y);
}
vector signed long long
test_slo_vsll_slo_vsll_vsc (vector signed long long x, vector signed char y)
{
return vec_slo (x, y);
}
