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authorBrian Paul <brian.paul@tungstengraphics.com>2003-03-16 18:42:13 +0000
committerBrian Paul <brian.paul@tungstengraphics.com>2003-03-16 18:42:13 +0000
commitdec3ed69e21baa1113938132e344761f39320f5f (patch)
tree490153e2789e6d2bbef3ec4231c391272ae07ce5
parentb0eee798689ddc2458ccd507230608d8f7a721c1 (diff)
clean-ups, re-org in preparation for fragment program work
-rw-r--r--src/mesa/swrast/s_tritemp.h592
1 files changed, 205 insertions, 387 deletions
diff --git a/src/mesa/swrast/s_tritemp.h b/src/mesa/swrast/s_tritemp.h
index 461995e487..f22ed5bd4d 100644
--- a/src/mesa/swrast/s_tritemp.h
+++ b/src/mesa/swrast/s_tritemp.h
@@ -1,4 +1,4 @@
-/* $Id: s_tritemp.h,v 1.44 2003/03/04 19:17:34 brianp Exp $ */
+/* $Id: s_tritemp.h,v 1.45 2003/03/16 18:42:13 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -43,8 +43,6 @@
* INTERP_TEX - if defined, interpolate set 0 float STRQ texcoords
* NOTE: OpenGL STRQ = Mesa STUV (R was taken for red)
* INTERP_MULTITEX - if defined, interpolate N units of STRQ texcoords
- * INTERP_FLOAT_RGBA - if defined, interpolate RGBA with floating point
- * INTERP_FLOAT_SPEC - if defined, interpolate specular with floating point
*
* When one can directly address pixels in the color buffer the following
* macros can be defined and used to compute pixel addresses during
@@ -72,24 +70,14 @@
/*
- * This is a bit of a hack, but it's a centralized place to enable floating-
- * point color interpolation when GLchan is actually floating point.
+ * ColorTemp is used for intermediate color values.
*/
#if CHAN_TYPE == GL_FLOAT
-
-#if defined(INTERP_RGB)
-#undef INTERP_RGB
-#undef INTERP_ALPHA
-#define INTERP_FLOAT_RGBA
-#endif
-
-#if defined(INTERP_SPEC)
-#undef INTERP_SPEC
-#define INTERP_FLOAT_SPEC
+#define ColorTemp GLfloat
+#else
+#define ColorTemp GLint /* same as GLfixed */
#endif
-#endif /* CHAN_TYPE == GL_FLOAT */
-
static void NAME(GLcontext *ctx, const SWvertex *v0,
@@ -298,15 +286,15 @@ static void NAME(GLcontext *ctx, const SWvertex *v0,
#ifdef INTERP_FOG
GLfloat dfogdy;
#endif
-#if defined(INTERP_RGB) || defined(INTERP_FLOAT_RGBA)
+#if defined(INTERP_RGB)
GLfloat drdx, drdy;
GLfloat dgdx, dgdy;
GLfloat dbdx, dbdy;
#endif
-#if defined(INTERP_ALPHA) || defined(INTERP_FLOAT_RGBA)
+#if defined(INTERP_ALPHA)
GLfloat dadx, dady;
#endif
-#if defined(INTERP_SPEC) || defined(INTERP_FLOAT_SPEC)
+#if defined(INTERP_SPEC)
GLfloat dsrdx, dsrdy;
GLfloat dsgdx, dsgdy;
GLfloat dsbdx, dsbdy;
@@ -314,22 +302,6 @@ static void NAME(GLcontext *ctx, const SWvertex *v0,
#ifdef INTERP_INDEX
GLfloat didx, didy;
#endif
-#ifdef INTERP_INT_TEX
- GLfloat dsdx, dsdy;
- GLfloat dtdx, dtdy;
-#endif
-#ifdef INTERP_TEX
- GLfloat dsdx, dsdy;
- GLfloat dtdx, dtdy;
- GLfloat dudx, dudy;
- GLfloat dvdx, dvdy;
-#endif
-#ifdef INTERP_MULTITEX
- GLfloat dsdx[MAX_TEXTURE_COORD_UNITS], dsdy[MAX_TEXTURE_COORD_UNITS];
- GLfloat dtdx[MAX_TEXTURE_COORD_UNITS], dtdy[MAX_TEXTURE_COORD_UNITS];
- GLfloat dudx[MAX_TEXTURE_COORD_UNITS], dudy[MAX_TEXTURE_COORD_UNITS];
- GLfloat dvdx[MAX_TEXTURE_COORD_UNITS], dvdy[MAX_TEXTURE_COORD_UNITS];
-#endif
/*
* Execute user-supplied setup code
@@ -375,167 +347,91 @@ static void NAME(GLcontext *ctx, const SWvertex *v0,
#ifdef INTERP_RGB
span.interpMask |= SPAN_RGBA;
if (ctx->Light.ShadeModel == GL_SMOOTH) {
- GLfloat eMaj_dr, eBot_dr;
- GLfloat eMaj_dg, eBot_dg;
- GLfloat eMaj_db, eBot_db;
+ GLfloat eMaj_dr = (GLfloat) ((ColorTemp) vMax->color[RCOMP] - vMin->color[RCOMP]);
+ GLfloat eBot_dr = (GLfloat) ((ColorTemp) vMid->color[RCOMP] - vMin->color[RCOMP]);
+ GLfloat eMaj_dg = (GLfloat) ((ColorTemp) vMax->color[GCOMP] - vMin->color[GCOMP]);
+ GLfloat eBot_dg = (GLfloat) ((ColorTemp) vMid->color[GCOMP] - vMin->color[GCOMP]);
+ GLfloat eMaj_db = (GLfloat) ((ColorTemp) vMax->color[BCOMP] - vMin->color[BCOMP]);
+ GLfloat eBot_db = (GLfloat) ((ColorTemp) vMid->color[BCOMP] - vMin->color[BCOMP]);
# ifdef INTERP_ALPHA
- GLfloat eMaj_da, eBot_da;
+ GLfloat eMaj_da = (GLfloat) ((ColorTemp) vMax->color[ACOMP] - vMin->color[ACOMP]);
+ GLfloat eBot_da = (GLfloat) ((ColorTemp) vMid->color[ACOMP] - vMin->color[ACOMP]);
# endif
- eMaj_dr = (GLfloat) ((GLint) vMax->color[RCOMP] -
- (GLint) vMin->color[RCOMP]);
- eBot_dr = (GLfloat) ((GLint) vMid->color[RCOMP] -
- (GLint) vMin->color[RCOMP]);
drdx = oneOverArea * (eMaj_dr * eBot.dy - eMaj.dy * eBot_dr);
- span.redStep = SignedFloatToFixed(drdx);
drdy = oneOverArea * (eMaj.dx * eBot_dr - eMaj_dr * eBot.dx);
- eMaj_dg = (GLfloat) ((GLint) vMax->color[GCOMP] -
- (GLint) vMin->color[GCOMP]);
- eBot_dg = (GLfloat) ((GLint) vMid->color[GCOMP] -
- (GLint) vMin->color[GCOMP]);
dgdx = oneOverArea * (eMaj_dg * eBot.dy - eMaj.dy * eBot_dg);
- span.greenStep = SignedFloatToFixed(dgdx);
dgdy = oneOverArea * (eMaj.dx * eBot_dg - eMaj_dg * eBot.dx);
- eMaj_db = (GLfloat) ((GLint) vMax->color[BCOMP] -
- (GLint) vMin->color[BCOMP]);
- eBot_db = (GLfloat) ((GLint) vMid->color[BCOMP] -
- (GLint) vMin->color[BCOMP]);
dbdx = oneOverArea * (eMaj_db * eBot.dy - eMaj.dy * eBot_db);
- span.blueStep = SignedFloatToFixed(dbdx);
dbdy = oneOverArea * (eMaj.dx * eBot_db - eMaj_db * eBot.dx);
+# if CHAN_TYPE == GL_FLOAT
+ span.redStep = drdx;
+ span.greenStep = dgdx;
+ span.blueStep = dbdx;
+# else
+ span.redStep = SignedFloatToFixed(drdx);
+ span.greenStep = SignedFloatToFixed(dgdx);
+ span.blueStep = SignedFloatToFixed(dbdx);
+# endif /* GL_FLOAT */
# ifdef INTERP_ALPHA
- eMaj_da = (GLfloat) ((GLint) vMax->color[ACOMP] -
- (GLint) vMin->color[ACOMP]);
- eBot_da = (GLfloat) ((GLint) vMid->color[ACOMP] -
- (GLint) vMin->color[ACOMP]);
dadx = oneOverArea * (eMaj_da * eBot.dy - eMaj.dy * eBot_da);
- span.alphaStep = SignedFloatToFixed(dadx);
dady = oneOverArea * (eMaj.dx * eBot_da - eMaj_da * eBot.dx);
-# endif
+# if CHAN_TYPE == GL_FLOAT
+ span.alphaStep = dadx;
+# else
+ span.alphaStep = SignedFloatToFixed(dadx);
+# endif /* GL_FLOAT */
+# endif /* INTERP_ALPHA */
}
else {
ASSERT (ctx->Light.ShadeModel == GL_FLAT);
span.interpMask |= SPAN_FLAT;
- drdx = drdy = 0.0F;
- dgdx = dgdy = 0.0F;
- dbdx = dbdy = 0.0F;
- span.redStep = 0;
- span.greenStep = 0;
- span.blueStep = 0;
+ drdx = drdy = span.redStep = 0;
+ dgdx = dgdy = span.greenStep = 0;
+ dbdx = dbdy = span.blueStep = 0;
# ifdef INTERP_ALPHA
- dadx = dady = 0.0F;
- span.alphaStep = 0;
+ dadx = dady = span.alphaStep = 0;
# endif
}
-#endif
-#ifdef INTERP_FLOAT_RGBA
- span.interpMask |= SPAN_RGBA;
- if (ctx->Light.ShadeModel == GL_SMOOTH) {
- GLfloat eMaj_dr, eBot_dr;
- GLfloat eMaj_dg, eBot_dg;
- GLfloat eMaj_db, eBot_db;
- GLfloat eMaj_da, eBot_da;
- eMaj_dr = vMax->color[RCOMP] - vMin->color[RCOMP];
- eBot_dr = vMid->color[RCOMP] - vMin->color[RCOMP];
- drdx = oneOverArea * (eMaj_dr * eBot.dy - eMaj.dy * eBot_dr);
- span.redStep = drdx;
- drdy = oneOverArea * (eMaj.dx * eBot_dr - eMaj_dr * eBot.dx);
- eMaj_dg = vMax->color[GCOMP] - vMin->color[GCOMP];
- eBot_dg = vMid->color[GCOMP] - vMin->color[GCOMP];
- dgdx = oneOverArea * (eMaj_dg * eBot.dy - eMaj.dy * eBot_dg);
- span.greenStep = dgdx;
- dgdy = oneOverArea * (eMaj.dx * eBot_dg - eMaj_dg * eBot.dx);
- eMaj_db = vMax->color[BCOMP] - vMin->color[BCOMP];
- eBot_db = vMid->color[BCOMP] - vMin->color[BCOMP];
- dbdx = oneOverArea * (eMaj_db * eBot.dy - eMaj.dy * eBot_db);
- span.blueStep = dbdx;
- dbdy = oneOverArea * (eMaj.dx * eBot_db - eMaj_db * eBot.dx);
- eMaj_da = vMax->color[ACOMP] - vMin->color[ACOMP];
- eBot_da = vMid->color[ACOMP] - vMin->color[ACOMP];
- dadx = oneOverArea * (eMaj_da * eBot.dy - eMaj.dy * eBot_da);
- span.alphaStep = dadx;
- dady = oneOverArea * (eMaj.dx * eBot_da - eMaj_da * eBot.dx);
- }
- else {
- drdx = drdy = span.redStep = 0.0F;
- dgdx = dgdy = span.greenStep = 0.0F;
- dbdx = dbdy = span.blueStep = 0.0F;
- dadx = dady = span.alphaStep = 0.0F;
- }
-#endif
+#endif /* INTERP_RGB */
#ifdef INTERP_SPEC
span.interpMask |= SPAN_SPEC;
if (ctx->Light.ShadeModel == GL_SMOOTH) {
- GLfloat eMaj_dsr, eBot_dsr;
- GLfloat eMaj_dsg, eBot_dsg;
- GLfloat eMaj_dsb, eBot_dsb;
- eMaj_dsr = (GLfloat) ((GLint) vMax->specular[RCOMP] -
- (GLint) vMin->specular[RCOMP]);
- eBot_dsr = (GLfloat) ((GLint) vMid->specular[RCOMP] -
- (GLint) vMin->specular[RCOMP]);
+ GLfloat eMaj_dsr = (GLfloat) ((ColorTemp) vMax->specular[RCOMP] - vMin->specular[RCOMP]);
+ GLfloat eBot_dsr = (GLfloat) ((ColorTemp) vMid->specular[RCOMP] - vMin->specular[RCOMP]);
+ GLfloat eMaj_dsg = (GLfloat) ((ColorTemp) vMax->specular[GCOMP] - vMin->specular[GCOMP]);
+ GLfloat eBot_dsg = (GLfloat) ((ColorTemp) vMid->specular[GCOMP] - vMin->specular[GCOMP]);
+ GLfloat eMaj_dsb = (GLfloat) ((ColorTemp) vMax->specular[BCOMP] - vMin->specular[BCOMP]);
+ GLfloat eBot_dsb = (GLfloat) ((ColorTemp) vMid->specular[BCOMP] - vMin->specular[BCOMP]);
dsrdx = oneOverArea * (eMaj_dsr * eBot.dy - eMaj.dy * eBot_dsr);
- span.specRedStep = SignedFloatToFixed(dsrdx);
dsrdy = oneOverArea * (eMaj.dx * eBot_dsr - eMaj_dsr * eBot.dx);
- eMaj_dsg = (GLfloat) ((GLint) vMax->specular[GCOMP] -
- (GLint) vMin->specular[GCOMP]);
- eBot_dsg = (GLfloat) ((GLint) vMid->specular[GCOMP] -
- (GLint) vMin->specular[GCOMP]);
dsgdx = oneOverArea * (eMaj_dsg * eBot.dy - eMaj.dy * eBot_dsg);
- span.specGreenStep = SignedFloatToFixed(dsgdx);
dsgdy = oneOverArea * (eMaj.dx * eBot_dsg - eMaj_dsg * eBot.dx);
- eMaj_dsb = (GLfloat) ((GLint) vMax->specular[BCOMP] -
- (GLint) vMin->specular[BCOMP]);
- eBot_dsb = (GLfloat) ((GLint) vMid->specular[BCOMP] -
- (GLint) vMin->specular[BCOMP]);
dsbdx = oneOverArea * (eMaj_dsb * eBot.dy - eMaj.dy * eBot_dsb);
- span.specBlueStep = SignedFloatToFixed(dsbdx);
dsbdy = oneOverArea * (eMaj.dx * eBot_dsb - eMaj_dsb * eBot.dx);
- }
- else {
- dsrdx = dsrdy = 0.0F;
- dsgdx = dsgdy = 0.0F;
- dsbdx = dsbdy = 0.0F;
- span.specRedStep = 0;
- span.specGreenStep = 0;
- span.specBlueStep = 0;
- }
-#endif
-#ifdef INTERP_FLOAT_SPEC
- span.interpMask |= SPAN_SPEC;
- if (ctx->Light.ShadeModel == GL_SMOOTH) {
- GLfloat eMaj_dsr, eBot_dsr;
- GLfloat eMaj_dsg, eBot_dsg;
- GLfloat eMaj_dsb, eBot_dsb;
- eMaj_dsr = vMax->specular[RCOMP] - vMin->specular[RCOMP];
- eBot_dsr = vMid->specular[RCOMP] - vMin->specular[RCOMP];
- dsrdx = oneOverArea * (eMaj_dsr * eBot.dy - eMaj.dy * eBot_dsr);
- span.specRedStep = dsrdx;
- dsrdy = oneOverArea * (eMaj.dx * eBot_dsr - eMaj_dsr * eBot.dx);
- eMaj_dsg = vMax->specular[GCOMP] - vMin->specular[GCOMP];
- eBot_dsg = vMid->specular[GCOMP] - vMin->specular[GCOMP];
- dsgdx = oneOverArea * (eMaj_dsg * eBot.dy - eMaj.dy * eBot_dsg);
+# if CHAN_TYPE == GL_FLOAT
+ span.specRedStep = dsrdx;
span.specGreenStep = dsgdx;
- dsgdy = oneOverArea * (eMaj.dx * eBot_dsg - eMaj_dsg * eBot.dx);
- eMaj_dsb = vMax->specular[BCOMP] - vMin->specular[BCOMP];
- eBot_dsb = vMid->specular[BCOMP] - vMin->specular[BCOMP];
- dsbdx = oneOverArea * (eMaj_dsb * eBot.dy - eMaj.dy * eBot_dsb);
- span.specBlueStep = dsbdx;
- dsbdy = oneOverArea * (eMaj.dx * eBot_dsb - eMaj_dsb * eBot.dx);
+ span.specBlueStep = dsbdx;
+# else
+ span.specRedStep = SignedFloatToFixed(dsrdx);
+ span.specGreenStep = SignedFloatToFixed(dsgdx);
+ span.specBlueStep = SignedFloatToFixed(dsbdx);
+# endif
}
else {
- dsrdx = dsrdy = span.specRedStep = 0;
+ dsrdx = dsrdy = span.specRedStep = 0;
dsgdx = dsgdy = span.specGreenStep = 0;
- dsbdx = dsbdy = span.specBlueStep = 0;
+ dsbdx = dsbdy = span.specBlueStep = 0;
}
-#endif
+#endif /* INTERP_SPEC */
#ifdef INTERP_INDEX
span.interpMask |= SPAN_INDEX;
if (ctx->Light.ShadeModel == GL_SMOOTH) {
- GLfloat eMaj_di, eBot_di;
- eMaj_di = (GLfloat) ((GLint) vMax->index - (GLint) vMin->index);
- eBot_di = (GLfloat) ((GLint) vMid->index - (GLint) vMin->index);
+ GLfloat eMaj_di = (GLfloat) ((GLint) vMax->index - (GLint) vMin->index);
+ GLfloat eBot_di = (GLfloat) ((GLint) vMid->index - (GLint) vMin->index);
didx = oneOverArea * (eMaj_di * eBot.dy - eMaj.dy * eBot_di);
- span.indexStep = SignedFloatToFixed(didx);
didy = oneOverArea * (eMaj.dx * eBot_di - eMaj_di * eBot.dx);
+ span.indexStep = SignedFloatToFixed(didx);
}
else {
span.interpMask |= SPAN_FLAT;
@@ -546,111 +442,63 @@ static void NAME(GLcontext *ctx, const SWvertex *v0,
#ifdef INTERP_INT_TEX
span.interpMask |= SPAN_INT_TEXTURE;
{
- GLfloat eMaj_ds, eBot_ds;
- eMaj_ds = (vMax->texcoord[0][0] - vMin->texcoord[0][0]) * S_SCALE;
- eBot_ds = (vMid->texcoord[0][0] - vMin->texcoord[0][0]) * S_SCALE;
- dsdx = oneOverArea * (eMaj_ds * eBot.dy - eMaj.dy * eBot_ds);
- span.intTexStep[0] = SignedFloatToFixed(dsdx);
- dsdy = oneOverArea * (eMaj.dx * eBot_ds - eMaj_ds * eBot.dx);
+ GLfloat eMaj_ds = (vMax->texcoord[0][0] - vMin->texcoord[0][0]) * S_SCALE;
+ GLfloat eBot_ds = (vMid->texcoord[0][0] - vMin->texcoord[0][0]) * S_SCALE;
+ GLfloat eMaj_dt = (vMax->texcoord[0][1] - vMin->texcoord[0][1]) * T_SCALE;
+ GLfloat eBot_dt = (vMid->texcoord[0][1] - vMin->texcoord[0][1]) * T_SCALE;
+ span.texStepX[0][0] = oneOverArea * (eMaj_ds * eBot.dy - eMaj.dy * eBot_ds);
+ span.texStepY[0][0] = oneOverArea * (eMaj.dx * eBot_ds - eMaj_ds * eBot.dx);
+ span.texStepX[0][1] = oneOverArea * (eMaj_dt * eBot.dy - eMaj.dy * eBot_dt);
+ span.texStepY[0][1] = oneOverArea * (eMaj.dx * eBot_dt - eMaj_dt * eBot.dx);
+ span.intTexStep[0] = SignedFloatToFixed(span.texStepX[0][0]);
+ span.intTexStep[1] = SignedFloatToFixed(span.texStepX[0][1]);
}
- {
- GLfloat eMaj_dt, eBot_dt;
- eMaj_dt = (vMax->texcoord[0][1] - vMin->texcoord[0][1]) * T_SCALE;
- eBot_dt = (vMid->texcoord[0][1] - vMin->texcoord[0][1]) * T_SCALE;
- dtdx = oneOverArea * (eMaj_dt * eBot.dy - eMaj.dy * eBot_dt);
- span.intTexStep[1] = SignedFloatToFixed(dtdx);
- dtdy = oneOverArea * (eMaj.dx * eBot_dt - eMaj_dt * eBot.dx);
- }
-
#endif
#ifdef INTERP_TEX
span.interpMask |= SPAN_TEXTURE;
{
- GLfloat wMax = vMax->win[3];
- GLfloat wMin = vMin->win[3];
- GLfloat wMid = vMid->win[3];
- GLfloat eMaj_ds, eBot_ds;
- GLfloat eMaj_dt, eBot_dt;
- GLfloat eMaj_du, eBot_du;
- GLfloat eMaj_dv, eBot_dv;
-
- eMaj_ds = vMax->texcoord[0][0] * wMax - vMin->texcoord[0][0] * wMin;
- eBot_ds = vMid->texcoord[0][0] * wMid - vMin->texcoord[0][0] * wMin;
- dsdx = oneOverArea * (eMaj_ds * eBot.dy - eMaj.dy * eBot_ds);
- dsdy = oneOverArea * (eMaj.dx * eBot_ds - eMaj_ds * eBot.dx);
- span.texStepX[0][0] = dsdx;
- span.texStepY[0][0] = dsdy;
-
- eMaj_dt = vMax->texcoord[0][1] * wMax - vMin->texcoord[0][1] * wMin;
- eBot_dt = vMid->texcoord[0][1] * wMid - vMin->texcoord[0][1] * wMin;
- dtdx = oneOverArea * (eMaj_dt * eBot.dy - eMaj.dy * eBot_dt);
- dtdy = oneOverArea * (eMaj.dx * eBot_dt - eMaj_dt * eBot.dx);
- span.texStepX[0][1] = dtdx;
- span.texStepY[0][1] = dtdy;
-
- eMaj_du = vMax->texcoord[0][2] * wMax - vMin->texcoord[0][2] * wMin;
- eBot_du = vMid->texcoord[0][2] * wMid - vMin->texcoord[0][2] * wMin;
- dudx = oneOverArea * (eMaj_du * eBot.dy - eMaj.dy * eBot_du);
- dudy = oneOverArea * (eMaj.dx * eBot_du - eMaj_du * eBot.dx);
- span.texStepX[0][2] = dudx;
- span.texStepY[0][2] = dudy;
-
- eMaj_dv = vMax->texcoord[0][3] * wMax - vMin->texcoord[0][3] * wMin;
- eBot_dv = vMid->texcoord[0][3] * wMid - vMin->texcoord[0][3] * wMin;
- dvdx = oneOverArea * (eMaj_dv * eBot.dy - eMaj.dy * eBot_dv);
- dvdy = oneOverArea * (eMaj.dx * eBot_dv - eMaj_dv * eBot.dx);
- span.texStepX[0][3] = dvdx;
- span.texStepY[0][3] = dvdy;
+ const GLfloat wMax = vMax->win[3], wMin = vMin->win[3], wMid = vMid->win[3];
+ GLfloat eMaj_ds = vMax->texcoord[0][0] * wMax - vMin->texcoord[0][0] * wMin;
+ GLfloat eBot_ds = vMid->texcoord[0][0] * wMid - vMin->texcoord[0][0] * wMin;
+ GLfloat eMaj_dt = vMax->texcoord[0][1] * wMax - vMin->texcoord[0][1] * wMin;
+ GLfloat eBot_dt = vMid->texcoord[0][1] * wMid - vMin->texcoord[0][1] * wMin;
+ GLfloat eMaj_du = vMax->texcoord[0][2] * wMax - vMin->texcoord[0][2] * wMin;
+ GLfloat eBot_du = vMid->texcoord[0][2] * wMid - vMin->texcoord[0][2] * wMin;
+ GLfloat eMaj_dv = vMax->texcoord[0][3] * wMax - vMin->texcoord[0][3] * wMin;
+ GLfloat eBot_dv = vMid->texcoord[0][3] * wMid - vMin->texcoord[0][3] * wMin;
+ span.texStepX[0][0] = oneOverArea * (eMaj_ds * eBot.dy - eMaj.dy * eBot_ds);
+ span.texStepY[0][0] = oneOverArea * (eMaj.dx * eBot_ds - eMaj_ds * eBot.dx);
+ span.texStepX[0][1] = oneOverArea * (eMaj_dt * eBot.dy - eMaj.dy * eBot_dt);
+ span.texStepY[0][1] = oneOverArea * (eMaj.dx * eBot_dt - eMaj_dt * eBot.dx);
+ span.texStepX[0][2] = oneOverArea * (eMaj_du * eBot.dy - eMaj.dy * eBot_du);
+ span.texStepY[0][2] = oneOverArea * (eMaj.dx * eBot_du - eMaj_du * eBot.dx);
+ span.texStepX[0][3] = oneOverArea * (eMaj_dv * eBot.dy - eMaj.dy * eBot_dv);
+ span.texStepY[0][3] = oneOverArea * (eMaj.dx * eBot_dv - eMaj_dv * eBot.dx);
}
#endif
#ifdef INTERP_MULTITEX
span.interpMask |= SPAN_TEXTURE;
{
- GLfloat wMax = vMax->win[3];
- GLfloat wMin = vMin->win[3];
- GLfloat wMid = vMid->win[3];
+ const GLfloat wMax = vMax->win[3], wMin = vMin->win[3], wMid = vMid->win[3];
GLuint u;
for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
if (ctx->Texture.Unit[u]._ReallyEnabled) {
- GLfloat eMaj_ds, eBot_ds;
- GLfloat eMaj_dt, eBot_dt;
- GLfloat eMaj_du, eBot_du;
- GLfloat eMaj_dv, eBot_dv;
- eMaj_ds = vMax->texcoord[u][0] * wMax
- - vMin->texcoord[u][0] * wMin;
- eBot_ds = vMid->texcoord[u][0] * wMid
- - vMin->texcoord[u][0] * wMin;
- dsdx[u] = oneOverArea * (eMaj_ds * eBot.dy - eMaj.dy * eBot_ds);
- dsdy[u] = oneOverArea * (eMaj.dx * eBot_ds - eMaj_ds * eBot.dx);
- span.texStepX[u][0] = dsdx[u];
- span.texStepY[u][0] = dsdy[u];
-
- eMaj_dt = vMax->texcoord[u][1] * wMax
- - vMin->texcoord[u][1] * wMin;
- eBot_dt = vMid->texcoord[u][1] * wMid
- - vMin->texcoord[u][1] * wMin;
- dtdx[u] = oneOverArea * (eMaj_dt * eBot.dy - eMaj.dy * eBot_dt);
- dtdy[u] = oneOverArea * (eMaj.dx * eBot_dt - eMaj_dt * eBot.dx);
- span.texStepX[u][1] = dtdx[u];
- span.texStepY[u][1] = dtdy[u];
-
- eMaj_du = vMax->texcoord[u][2] * wMax
- - vMin->texcoord[u][2] * wMin;
- eBot_du = vMid->texcoord[u][2] * wMid
- - vMin->texcoord[u][2] * wMin;
- dudx[u] = oneOverArea * (eMaj_du * eBot.dy - eMaj.dy * eBot_du);
- dudy[u] = oneOverArea * (eMaj.dx * eBot_du - eMaj_du * eBot.dx);
- span.texStepX[u][2] = dudx[u];
- span.texStepY[u][2] = dudy[u];
-
- eMaj_dv = vMax->texcoord[u][3] * wMax
- - vMin->texcoord[u][3] * wMin;
- eBot_dv = vMid->texcoord[u][3] * wMid
- - vMin->texcoord[u][3] * wMin;
- dvdx[u] = oneOverArea * (eMaj_dv * eBot.dy - eMaj.dy * eBot_dv);
- dvdy[u] = oneOverArea * (eMaj.dx * eBot_dv - eMaj_dv * eBot.dx);
- span.texStepX[u][3] = dvdx[u];
- span.texStepY[u][3] = dvdy[u];
+ GLfloat eMaj_ds = vMax->texcoord[u][0] * wMax - vMin->texcoord[u][0] * wMin;
+ GLfloat eBot_ds = vMid->texcoord[u][0] * wMid - vMin->texcoord[u][0] * wMin;
+ GLfloat eMaj_dt = vMax->texcoord[u][1] * wMax - vMin->texcoord[u][1] * wMin;
+ GLfloat eBot_dt = vMid->texcoord[u][1] * wMid - vMin->texcoord[u][1] * wMin;
+ GLfloat eMaj_du = vMax->texcoord[u][2] * wMax - vMin->texcoord[u][2] * wMin;
+ GLfloat eBot_du = vMid->texcoord[u][2] * wMid - vMin->texcoord[u][2] * wMin;
+ GLfloat eMaj_dv = vMax->texcoord[u][3] * wMax - vMin->texcoord[u][3] * wMin;
+ GLfloat eBot_dv = vMid->texcoord[u][3] * wMid - vMin->texcoord[u][3] * wMin;
+ span.texStepX[u][0] = oneOverArea * (eMaj_ds * eBot.dy - eMaj.dy * eBot_ds);
+ span.texStepY[u][0] = oneOverArea * (eMaj.dx * eBot_ds - eMaj_ds * eBot.dx);
+ span.texStepX[u][1] = oneOverArea * (eMaj_dt * eBot.dy - eMaj.dy * eBot_dt);
+ span.texStepY[u][1] = oneOverArea * (eMaj.dx * eBot_dt - eMaj_dt * eBot.dx);
+ span.texStepX[u][2] = oneOverArea * (eMaj_du * eBot.dy - eMaj.dy * eBot_du);
+ span.texStepY[u][2] = oneOverArea * (eMaj.dx * eBot_du - eMaj_du * eBot.dx);
+ span.texStepX[u][3] = oneOverArea * (eMaj_dv * eBot.dy - eMaj.dy * eBot_dv);
+ span.texStepY[u][3] = oneOverArea * (eMaj.dx * eBot_dv - eMaj_dv * eBot.dx);
}
}
}
@@ -729,28 +577,17 @@ static void NAME(GLcontext *ctx, const SWvertex *v0,
GLfloat fogLeft = 0, dfogOuter = 0, dfogInner;
#endif
#ifdef INTERP_RGB
- GLfixed fr = 0, fdrOuter = 0, fdrInner;
- GLfixed fg = 0, fdgOuter = 0, fdgInner;
- GLfixed fb = 0, fdbOuter = 0, fdbInner;
+ ColorTemp fr = 0, fdrOuter = 0, fdrInner;
+ ColorTemp fg = 0, fdgOuter = 0, fdgInner;
+ ColorTemp fb = 0, fdbOuter = 0, fdbInner;
#endif
#ifdef INTERP_ALPHA
- GLfixed fa = 0, fdaOuter = 0, fdaInner;
-#endif
-#ifdef INTERP_FLOAT_RGBA
- GLfloat fr = 0.0F, fdrOuter = 0.0F, fdrInner;
- GLfloat fg = 0.0F, fdgOuter = 0.0F, fdgInner;
- GLfloat fb = 0.0F, fdbOuter = 0.0F, fdbInner;
- GLfloat fa = 0.0F, fdaOuter = 0.0F, fdaInner;
+ ColorTemp fa = 0, fdaOuter = 0, fdaInner;
#endif
#ifdef INTERP_SPEC
- GLfixed fsr=0, fdsrOuter=0, fdsrInner;
- GLfixed fsg=0, fdsgOuter=0, fdsgInner;
- GLfixed fsb=0, fdsbOuter=0, fdsbInner;
-#endif
-#ifdef INTERP_FLOAT_SPEC
- GLfloat fsr=0, fdsrOuter=0, fdsrInner;
- GLfloat fsg=0, fdsgOuter=0, fdsgInner;
- GLfloat fsb=0, fdsbOuter=0, fdsbInner;
+ ColorTemp fsr=0, fdsrOuter=0, fdsrInner;
+ ColorTemp fsg=0, fdsgOuter=0, fdsgInner;
+ ColorTemp fsb=0, fdsbOuter=0, fdsbInner;
#endif
#ifdef INTERP_INDEX
GLfixed fi=0, fdiOuter=0, fdiInner;
@@ -867,8 +704,7 @@ static void NAME(GLcontext *ctx, const SWvertex *v0,
GLfloat z0 = vLower->win[2];
if (depthBits <= 16) {
/* interpolate fixed-pt values */
- GLfloat tmp = (z0 * FIXED_SCALE +
- dzdx * adjx + dzdy * adjy) + FIXED_HALF;
+ GLfloat tmp = (z0 * FIXED_SCALE + dzdx * adjx + dzdy * adjy) + FIXED_HALF;
if (tmp < MAX_GLUINT / 2)
fz = (GLfixed) tmp;
else
@@ -877,8 +713,7 @@ static void NAME(GLcontext *ctx, const SWvertex *v0,
}
else {
/* interpolate depth values exactly */
- fz = (GLint) (z0 + dzdx * FixedToFloat(adjx)
- + dzdy * FixedToFloat(adjy));
+ fz = (GLint) (z0 + dzdx * FixedToFloat(adjx) + dzdy * FixedToFloat(adjy));
fdzOuter = (GLint) (dzdy + dxOuter * dzdx);
}
# ifdef DEPTH_TYPE
@@ -895,94 +730,89 @@ static void NAME(GLcontext *ctx, const SWvertex *v0,
#endif
#ifdef INTERP_RGB
if (ctx->Light.ShadeModel == GL_SMOOTH) {
- fr = (GLfixed) (ChanToFixed(vLower->color[RCOMP])
- + drdx * adjx + drdy * adjy) + FIXED_HALF;
+# if CHAN_TYPE == GL_FLOAT
+ fr = vLower->color[RCOMP] + (drdx * adjx + drdy * adjy) * (1.0F / FIXED_SCALE);
+ fg = vLower->color[GCOMP] + (dgdx * adjx + dgdy * adjy) * (1.0F / FIXED_SCALE);
+ fb = vLower->color[BCOMP] + (dbdx * adjx + dbdy * adjy) * (1.0F / FIXED_SCALE);
+ fdrOuter = drdy + dxOuter * drdx;
+ fdgOuter = dgdy + dxOuter * dgdx;
+ fdbOuter = dbdy + dxOuter * dbdx;
+# else
+ fr = (ChanToFixed(vLower->color[RCOMP]) + drdx * adjx + drdy * adjy) + FIXED_HALF;
+ fg = (ChanToFixed(vLower->color[GCOMP]) + dgdx * adjx + dgdy * adjy) + FIXED_HALF;
+ fb = (ChanToFixed(vLower->color[BCOMP]) + dbdx * adjx + dbdy * adjy) + FIXED_HALF;
fdrOuter = SignedFloatToFixed(drdy + dxOuter * drdx);
- fg = (GLfixed) (ChanToFixed(vLower->color[GCOMP])
- + dgdx * adjx + dgdy * adjy) + FIXED_HALF;
fdgOuter = SignedFloatToFixed(dgdy + dxOuter * dgdx);
- fb = (GLfixed) (ChanToFixed(vLower->color[BCOMP])
- + dbdx * adjx + dbdy * adjy) + FIXED_HALF;
fdbOuter = SignedFloatToFixed(dbdy + dxOuter * dbdx);
+# endif
# ifdef INTERP_ALPHA
- fa = (GLfixed) (ChanToFixed(vLower->color[ACOMP])
- + dadx * adjx + dady * adjy) + FIXED_HALF;
+# if CHAN_TYPE == GL_FLOAT
+ fa = vLower->color[ACOMP] + (dadx * adjx + dady * adjy) * (1.0F / FIXED_SCALE);
+ fdaOuter = dady + dxOuter * dadx;
+# else
+ fa = (ChanToFixed(vLower->color[ACOMP]) + dadx * adjx + dady * adjy) + FIXED_HALF;
fdaOuter = SignedFloatToFixed(dady + dxOuter * dadx);
+# endif
# endif
}
else {
ASSERT (ctx->Light.ShadeModel == GL_FLAT);
+# if CHAN_TYPE == GL_FLOAT
+ fr = v2->color[RCOMP];
+ fg = v2->color[GCOMP];
+ fb = v2->color[BCOMP];
+ fdrOuter = fdgOuter = fdbOuter = 0.0F;
+# else
fr = ChanToFixed(v2->color[RCOMP]);
fg = ChanToFixed(v2->color[GCOMP]);
fb = ChanToFixed(v2->color[BCOMP]);
fdrOuter = fdgOuter = fdbOuter = 0;
+# endif
# ifdef INTERP_ALPHA
- fa = ChanToFixed(v2->color[ACOMP]);
+# if CHAN_TYPE == GL_FLOAT
+ fa = v2->color[ACOMP];
+ fdaOuter = 0.0F;
+# else
+ fa = ChanToFixed(v2->color[ACOMP]);
fdaOuter = 0;
+# endif
# endif
}
#endif
-#ifdef INTERP_FLOAT_RGBA
- if (ctx->Light.ShadeModel == GL_SMOOTH) {
- fr = vLower->color[RCOMP]
- + (drdx * adjx + drdy * adjy) * (1.0F / FIXED_SCALE);
- fdrOuter = drdy + dxOuter * drdx;
- fg = vLower->color[GCOMP]
- + (dgdx * adjx + dgdy * adjy) * (1.0F / FIXED_SCALE);
- fdgOuter = dgdy + dxOuter * dgdx;
- fb = vLower->color[BCOMP]
- + (dbdx * adjx + dbdy * adjy) * (1.0F / FIXED_SCALE);
- fdbOuter = dbdy + dxOuter * dbdx;
- fa = vLower->color[ACOMP]
- + (dadx * adjx + dady * adjy) * (1.0F / FIXED_SCALE);
- fdaOuter = dady + dxOuter * dadx;
- }
- else {
- fr = v2->color[RCOMP];
- fg = v2->color[GCOMP];
- fb = v2->color[BCOMP];
- fa = v2->color[ACOMP];
- fdrOuter = fdgOuter = fdbOuter = fdaOuter = 0.0F;
- }
-#endif
+
#ifdef INTERP_SPEC
if (ctx->Light.ShadeModel == GL_SMOOTH) {
- fsr = (GLfixed) (ChanToFixed(vLower->specular[RCOMP])
- + dsrdx * adjx + dsrdy * adjy) + FIXED_HALF;
- fdsrOuter = SignedFloatToFixed(dsrdy + dxOuter * dsrdx);
- fsg = (GLfixed) (ChanToFixed(vLower->specular[GCOMP])
- + dsgdx * adjx + dsgdy * adjy) + FIXED_HALF;
- fdsgOuter = SignedFloatToFixed(dsgdy + dxOuter * dsgdx);
- fsb = (GLfixed) (ChanToFixed(vLower->specular[BCOMP])
- + dsbdx * adjx + dsbdy * adjy) + FIXED_HALF;
- fdsbOuter = SignedFloatToFixed(dsbdy + dxOuter * dsbdx);
- }
- else {
- fsr = ChanToFixed(v2->specular[RCOMP]);
- fsg = ChanToFixed(v2->specular[GCOMP]);
- fsb = ChanToFixed(v2->specular[BCOMP]);
- fdsrOuter = fdsgOuter = fdsbOuter = 0;
- }
-#endif
-#ifdef INTERP_FLOAT_SPEC
- if (ctx->Light.ShadeModel == GL_SMOOTH) {
- fsr = vLower->specular[RCOMP]
- + (dsrdx * adjx + dsrdy * adjy) * (1.0F / FIXED_SCALE);
+# if CHAN_TYPE == GL_FLOAT
+ fsr = vLower->specular[RCOMP] + (dsrdx * adjx + dsrdy * adjy) * (1.0F / FIXED_SCALE);
+ fsg = vLower->specular[GCOMP] + (dsgdx * adjx + dsgdy * adjy) * (1.0F / FIXED_SCALE);
+ fsb = vLower->specular[BCOMP] + (dsbdx * adjx + dsbdy * adjy) * (1.0F / FIXED_SCALE);
fdsrOuter = dsrdy + dxOuter * dsrdx;
- fsg = vLower->specular[GCOMP]
- + (dsgdx * adjx + dsgdy * adjy) * (1.0F / FIXED_SCALE);
fdsgOuter = dsgdy + dxOuter * dsgdx;
- fsb = vLower->specular[BCOMP]
- + (dsbdx * adjx + dsbdy * adjy) * (1.0F / FIXED_SCALE);
fdsbOuter = dsbdy + dxOuter * dsbdx;
+# else
+ fsr = (GLfixed) (ChanToFixed(vLower->specular[RCOMP]) + dsrdx * adjx + dsrdy * adjy) + FIXED_HALF;
+ fsg = (GLfixed) (ChanToFixed(vLower->specular[GCOMP]) + dsgdx * adjx + dsgdy * adjy) + FIXED_HALF;
+ fsb = (GLfixed) (ChanToFixed(vLower->specular[BCOMP]) + dsbdx * adjx + dsbdy * adjy) + FIXED_HALF;
+ fdsrOuter = SignedFloatToFixed(dsrdy + dxOuter * dsrdx);
+ fdsgOuter = SignedFloatToFixed(dsgdy + dxOuter * dsgdx);
+ fdsbOuter = SignedFloatToFixed(dsbdy + dxOuter * dsbdx);
+# endif
}
else {
+#if CHAN_TYPE == GL_FLOAT
fsr = v2->specular[RCOMP];
fsg = v2->specular[GCOMP];
fsb = v2->specular[BCOMP];
fdsrOuter = fdsgOuter = fdsbOuter = 0.0F;
+# else
+ fsr = ChanToFixed(v2->specular[RCOMP]);
+ fsg = ChanToFixed(v2->specular[GCOMP]);
+ fsb = ChanToFixed(v2->specular[BCOMP]);
+ fdsrOuter = fdsgOuter = fdsbOuter = 0;
+# endif
}
#endif
+
#ifdef INTERP_INDEX
if (ctx->Light.ShadeModel == GL_SMOOTH) {
fi = (GLfixed)(vLower->index * FIXED_SCALE
@@ -998,36 +828,31 @@ static void NAME(GLcontext *ctx, const SWvertex *v0,
{
GLfloat s0, t0;
s0 = vLower->texcoord[0][0] * S_SCALE;
- fs = (GLfixed)(s0 * FIXED_SCALE + dsdx * adjx
- + dsdy * adjy) + FIXED_HALF;
- fdsOuter = SignedFloatToFixed(dsdy + dxOuter * dsdx);
+ fs = (GLfixed)(s0 * FIXED_SCALE + span.texStepX[0][0] * adjx
+ + span.texStepY[0][0] * adjy) + FIXED_HALF;
+ fdsOuter = SignedFloatToFixed(span.texStepY[0][0] + dxOuter * span.texStepX[0][0]);
t0 = vLower->texcoord[0][1] * T_SCALE;
- ft = (GLfixed)(t0 * FIXED_SCALE + dtdx * adjx
- + dtdy * adjy) + FIXED_HALF;
- fdtOuter = SignedFloatToFixed(dtdy + dxOuter * dtdx);
+ ft = (GLfixed)(t0 * FIXED_SCALE + span.texStepX[0][1] * adjx
+ + span.texStepY[0][1] * adjy) + FIXED_HALF;
+ fdtOuter = SignedFloatToFixed(span.texStepY[0][1] + dxOuter * span.texStepX[0][1]);
}
#endif
#ifdef INTERP_TEX
{
- GLfloat invW = vLower->win[3];
- GLfloat s0, t0, u0, v0;
- s0 = vLower->texcoord[0][0] * invW;
- sLeft = s0 + (span.texStepX[0][0] * adjx + dsdy * adjy)
- * (1.0F/FIXED_SCALE);
- dsOuter = dsdy + dxOuter * span.texStepX[0][0];
- t0 = vLower->texcoord[0][1] * invW;
- tLeft = t0 + (span.texStepX[0][1] * adjx + dtdy * adjy)
- * (1.0F/FIXED_SCALE);
- dtOuter = dtdy + dxOuter * span.texStepX[0][1];
- u0 = vLower->texcoord[0][2] * invW;
- uLeft = u0 + (span.texStepX[0][2] * adjx + dudy * adjy)
- * (1.0F/FIXED_SCALE);
- duOuter = dudy + dxOuter * span.texStepX[0][2];
- v0 = vLower->texcoord[0][3] * invW;
- vLeft = v0 + (span.texStepX[0][3] * adjx + dvdy * adjy)
- * (1.0F/FIXED_SCALE);
- dvOuter = dvdy + dxOuter * span.texStepX[0][3];
+ const GLfloat invW = vLower->win[3];
+ const GLfloat s0 = vLower->texcoord[0][0] * invW;
+ const GLfloat t0 = vLower->texcoord[0][1] * invW;
+ const GLfloat u0 = vLower->texcoord[0][2] * invW;
+ const GLfloat v0 = vLower->texcoord[0][3] * invW;
+ sLeft = s0 + (span.texStepX[0][0] * adjx + span.texStepY[0][0] * adjy) * (1.0F/FIXED_SCALE);
+ tLeft = t0 + (span.texStepX[0][1] * adjx + span.texStepY[0][1] * adjy) * (1.0F/FIXED_SCALE);
+ uLeft = u0 + (span.texStepX[0][2] * adjx + span.texStepY[0][2] * adjy) * (1.0F/FIXED_SCALE);
+ vLeft = v0 + (span.texStepX[0][3] * adjx + span.texStepY[0][3] * adjy) * (1.0F/FIXED_SCALE);
+ dsOuter = span.texStepY[0][0] + dxOuter * span.texStepX[0][0];
+ dtOuter = span.texStepY[0][1] + dxOuter * span.texStepX[0][1];
+ duOuter = span.texStepY[0][2] + dxOuter * span.texStepX[0][2];
+ dvOuter = span.texStepY[0][3] + dxOuter * span.texStepX[0][3];
}
#endif
#ifdef INTERP_MULTITEX
@@ -1035,24 +860,19 @@ static void NAME(GLcontext *ctx, const SWvertex *v0,
GLuint u;
for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
if (ctx->Texture.Unit[u]._ReallyEnabled) {
- GLfloat invW = vLower->win[3];
- GLfloat s0, t0, u0, v0;
- s0 = vLower->texcoord[u][0] * invW;
- sLeft[u] = s0 + (span.texStepX[u][0] * adjx + dsdy[u]
- * adjy) * (1.0F/FIXED_SCALE);
- dsOuter[u] = dsdy[u] + dxOuter * span.texStepX[u][0];
- t0 = vLower->texcoord[u][1] * invW;
- tLeft[u] = t0 + (span.texStepX[u][1] * adjx + dtdy[u]
- * adjy) * (1.0F/FIXED_SCALE);
- dtOuter[u] = dtdy[u] + dxOuter * span.texStepX[u][1];
- u0 = vLower->texcoord[u][2] * invW;
- uLeft[u] = u0 + (span.texStepX[u][2] * adjx + dudy[u]
- * adjy) * (1.0F/FIXED_SCALE);
- duOuter[u] = dudy[u] + dxOuter * span.texStepX[u][2];
- v0 = vLower->texcoord[u][3] * invW;
- vLeft[u] = v0 + (span.texStepX[u][3] * adjx + dvdy[u]
- * adjy) * (1.0F/FIXED_SCALE);
- dvOuter[u] = dvdy[u] + dxOuter * span.texStepX[u][3];
+ const GLfloat invW = vLower->win[3];
+ const GLfloat s0 = vLower->texcoord[u][0] * invW;
+ const GLfloat t0 = vLower->texcoord[u][1] * invW;
+ const GLfloat u0 = vLower->texcoord[u][2] * invW;
+ const GLfloat v0 = vLower->texcoord[u][3] * invW;
+ sLeft[u] = s0 + (span.texStepX[u][0] * adjx + span.texStepY[u][0] * adjy) * (1.0F/FIXED_SCALE);
+ tLeft[u] = t0 + (span.texStepX[u][1] * adjx + span.texStepY[u][1] * adjy) * (1.0F/FIXED_SCALE);
+ uLeft[u] = u0 + (span.texStepX[u][2] * adjx + span.texStepY[u][2] * adjy) * (1.0F/FIXED_SCALE);
+ vLeft[u] = v0 + (span.texStepX[u][3] * adjx + span.texStepY[u][3] * adjy) * (1.0F/FIXED_SCALE);
+ dsOuter[u] = span.texStepY[u][0] + dxOuter * span.texStepX[u][0];
+ dtOuter[u] = span.texStepY[u][1] + dxOuter * span.texStepX[u][1];
+ duOuter[u] = span.texStepY[u][2] + dxOuter * span.texStepX[u][2];
+ dvOuter[u] = span.texStepY[u][3] + dxOuter * span.texStepX[u][3];
}
}
}
@@ -1084,15 +904,15 @@ static void NAME(GLcontext *ctx, const SWvertex *v0,
#ifdef INTERP_FOG
dfogInner = dfogOuter + span.fogStep;
#endif
-#if defined(INTERP_RGB) || defined(INTERP_FLOAT_RGBA)
+#if defined(INTERP_RGB)
fdrInner = fdrOuter + span.redStep;
fdgInner = fdgOuter + span.greenStep;
fdbInner = fdbOuter + span.blueStep;
#endif
-#if defined(INTERP_ALPHA) || defined(INTERP_FLOAT_RGBA)
+#if defined(INTERP_ALPHA)
fdaInner = fdaOuter + span.alphaStep;
#endif
-#if defined(INTERP_SPEC) || defined(INTERP_FLOAT_SPEC)
+#if defined(INTERP_SPEC)
fdsrInner = fdsrOuter + span.specRedStep;
fdsgInner = fdsgOuter + span.specGreenStep;
fdsbInner = fdsbOuter + span.specBlueStep;
@@ -1142,15 +962,15 @@ static void NAME(GLcontext *ctx, const SWvertex *v0,
#ifdef INTERP_FOG
span.fog = fogLeft;
#endif
-#if defined(INTERP_RGB) || defined(INTERP_FLOAT_RGBA)
+#if defined(INTERP_RGB)
span.red = fr;
span.green = fg;
span.blue = fb;
#endif
-#if defined(INTERP_ALPHA) || defined(INTERP_FLOAT_RGBA)
+#if defined(INTERP_ALPHA)
span.alpha = fa;
#endif
-#if defined(INTERP_SPEC) || defined(INTERP_FLOAT_SPEC)
+#if defined(INTERP_SPEC)
span.specRed = fsr;
span.specGreen = fsg;
span.specBlue = fsb;
@@ -1280,15 +1100,15 @@ static void NAME(GLcontext *ctx, const SWvertex *v0,
#ifdef INTERP_FOG
fogLeft += dfogOuter;
#endif
-#if defined(INTERP_RGB) || defined(INTERP_FLOAT_RGBA)
+#if defined(INTERP_RGB)
fr += fdrOuter;
fg += fdgOuter;
fb += fdbOuter;
#endif
-#if defined(INTERP_ALPHA) || defined(INTERP_FLOAT_RGBA)
+#if defined(INTERP_ALPHA)
fa += fdaOuter;
#endif
-#if defined(INTERP_SPEC) || defined(INTERP_FLOAT_SPEC)
+#if defined(INTERP_SPEC)
fsr += fdsrOuter;
fsg += fdsgOuter;
fsb += fdsbOuter;
@@ -1333,15 +1153,15 @@ static void NAME(GLcontext *ctx, const SWvertex *v0,
#ifdef INTERP_FOG
fogLeft += dfogInner;
#endif
-#if defined(INTERP_RGB) || defined(INTERP_FLOAT_RGBA)
+#if defined(INTERP_RGB)
fr += fdrInner;
fg += fdgInner;
fb += fdbInner;
#endif
-#if defined(INTERP_ALPHA) || defined(INTERP_FLOAT_RGBA)
+#if defined(INTERP_ALPHA)
fa += fdaInner;
#endif
-#if defined(INTERP_SPEC) || defined(INTERP_FLOAT_SPEC)
+#if defined(INTERP_SPEC)
fsr += fdsrInner;
fsg += fdsgInner;
fsb += fdsbInner;
@@ -1401,8 +1221,6 @@ static void NAME(GLcontext *ctx, const SWvertex *v0,
#undef INTERP_INT_TEX
#undef INTERP_TEX
#undef INTERP_MULTITEX
-#undef INTERP_FLOAT_RGBA
-#undef INTERP_FLOAT_SPEC
#undef S_SCALE
#undef T_SCALE