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DS GX: Fudge accuracy loss issue

This commit is contained in:
Vicki Pfau 2017-03-13 11:59:39 -07:00
parent 507a1c78e9
commit 2c8068f418
1 changed files with 3 additions and 3 deletions
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6
src/ds/gx.c
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@ -231,9 +231,9 @@ static void _lerpVertex(const struct DSGXVertex* v0, const struct DSGXVertex* v1
int32_t vx = _lerp(v0->vx, v1->vx, w0, w1, xw); int32_t vx = _lerp(v0->vx, v1->vx, w0, w1, xw);
int32_t vy = _lerp(v0->vy, v1->vy, w0, w1, xw); int32_t vy = _lerp(v0->vy, v1->vy, w0, w1, xw);
int32_t vz = _lerp(v0->vz, v1->vz, w0, w1, xw); int32_t vz = _lerp(v0->vz, v1->vz, w0, w1, xw);
out->vx = (vx * wRecip) >> 32; out->vx = ((vx * wRecip) >> 32) + 1;
out->vy = (vy * wRecip) >> 32; out->vy = ((vy * wRecip) >> 32) + 1;
out->vz = (vz * wRecip) >> 32; out->vz = ((vz * wRecip) >> 32) + 1;
int32_t s = _lerp(v0->vs, v1->vs, w0, w1, xw); int32_t s = _lerp(v0->vs, v1->vs, w0, w1, xw);
int32_t t = _lerp(v0->vt, v1->vt, w0, w1, xw); int32_t t = _lerp(v0->vt, v1->vt, w0, w1, xw);