summaryrefslogtreecommitdiffstats
path: root/src/mesa
diff options
context:
space:
mode:
authorDaniel Borca <[email protected]>2004-01-07 12:50:30 +0000
committerDaniel Borca <[email protected]>2004-01-07 12:50:30 +0000
commit63f025c5adba242c760fc3156b4aa92ee6f29f76 (patch)
tree26d90748fc4bf1440b9bd44abc3052234e1437a2 /src/mesa
parente1ecdc337e2047873e8dad63c7c0388348d1d5b7 (diff)
teensy bit of optimization in interp code
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/drivers/glide/fxvbtmp.h68
1 files changed, 18 insertions, 50 deletions
diff --git a/src/mesa/drivers/glide/fxvbtmp.h b/src/mesa/drivers/glide/fxvbtmp.h
index 4e1b10f1d03..9e46f755957 100644
--- a/src/mesa/drivers/glide/fxvbtmp.h
+++ b/src/mesa/drivers/glide/fxvbtmp.h
@@ -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;
}
}
}