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teensy bit of optimization in interp code

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This commit is contained in:
Daniel Borca 2004-01-07 12:50:30 +00:00
parent e1ecdc337e
commit 63f025c5ad
1 changed files with 18 additions and 50 deletions
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68
src/mesa/drivers/glide/fxvbtmp.h
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@ -214,8 +214,8 @@ static void TAG(interp)( GLcontext *ctx,
GrVertex *dst = (GrVertex *) (fxverts + edst);
const GrVertex *out = (const GrVertex *) (fxverts + eout);
const GrVertex *in = (const GrVertex *) (fxverts + ein);
const GLfloat wout = 1.0F / out->oow;
const GLfloat win = 1.0F / in->oow;
const GLfloat wout = oow / out->oow;
const GLfloat win = oow / in->oow;
VIEWPORT_X(dst->x, dstclip[0] * oow);
VIEWPORT_Y(dst->y, dstclip[1] * oow);
@ -248,68 +248,36 @@ static void TAG(interp)( GLcontext *ctx,
}
if (IND & SETUP_TMU0) {
INTERP_F( t,
dst->tmuvtx[0].sow,
out->tmuvtx[0].sow * wout,
in->tmuvtx[0].sow * win );
INTERP_F( t,
dst->tmuvtx[0].tow,
out->tmuvtx[0].tow * wout,
in->tmuvtx[0].tow * win );
if (IND & SETUP_PTEX) {
INTERP_F( t,
dst->tmuvtx[0].sow,
out->tmuvtx[0].sow * wout,
in->tmuvtx[0].sow * win );
INTERP_F( t,
dst->tmuvtx[0].tow,
out->tmuvtx[0].tow * wout,
in->tmuvtx[0].tow * win );
INTERP_F( t,
dst->tmuvtx[0].oow,
out->tmuvtx[0].oow * wout,
in->tmuvtx[0].oow * win );
dst->tmuvtx[0].sow *= oow;
dst->tmuvtx[0].tow *= oow;
dst->tmuvtx[0].oow *= oow;
} else {
INTERP_F( t,
dst->tmuvtx[0].sow,
out->tmuvtx[0].sow * wout,
in->tmuvtx[0].sow * win );
INTERP_F( t,
dst->tmuvtx[0].tow,
out->tmuvtx[0].tow * wout,
in->tmuvtx[0].tow * win );
dst->tmuvtx[0].sow *= oow;
dst->tmuvtx[0].tow *= oow;
}
}
if (IND & SETUP_TMU1) {
INTERP_F( t,
dst->tmuvtx[1].sow,
out->tmuvtx[1].sow * wout,
in->tmuvtx[1].sow * win );
INTERP_F( t,
dst->tmuvtx[1].tow,
out->tmuvtx[1].tow * wout,
in->tmuvtx[1].tow * win );
if (IND & SETUP_PTEX) {
INTERP_F( t,
dst->tmuvtx[1].sow,
out->tmuvtx[1].sow * wout,
in->tmuvtx[1].sow * win );
INTERP_F( t,
dst->tmuvtx[1].tow,
out->tmuvtx[1].tow * wout,
in->tmuvtx[1].tow * win );
INTERP_F( t,
dst->tmuvtx[1].oow,
out->tmuvtx[1].oow * wout,
in->tmuvtx[1].oow * win );
dst->tmuvtx[1].sow *= oow;
dst->tmuvtx[1].tow *= oow;
dst->tmuvtx[1].oow *= oow;
} else {
INTERP_F( t,
dst->tmuvtx[1].sow,
out->tmuvtx[1].sow * wout,
in->tmuvtx[1].sow * win );
INTERP_F( t,
dst->tmuvtx[1].tow,
out->tmuvtx[1].tow * wout,
in->tmuvtx[1].tow * win );
dst->tmuvtx[1].sow *= oow;
dst->tmuvtx[1].tow *= oow;
}
}
}