New SWspanarrays attribs[] array.

Replace texcoord[], varying[], etc. arrays with single attribs[] array, indexed
by FRAG_ATTRIB_* values.
Eliminates need to copy data into fragment program machine input registers.
Will lead to future clean-ups.

16 files changed, 140 insertions, 171 deletions

diff --git a/src/mesa/swrast/s_aalinetemp.h b/src/mesa/swrast/s_aalinetemp.h
index 68291afeea..b977ab8325 100644
--- a/src/mesa/swrast/s_aalinetemp.h
+++ b/src/mesa/swrast/s_aalinetemp.h
@@ -61,7 +61,7 @@ NAME(plot)(GLcontext *ctx, struct LineInfo *line, int ix, int iy)
    line->span.array->z[i] = (GLuint) solve_plane(fx, fy, line->zPlane);
 #endif
 #ifdef DO_FOG
-   line->span.array->fog[i] = solve_plane(fx, fy, line->fPlane);
+   line->span.array->attribs[FRAG_ATTRIB_FOGC][i][0] = solve_plane(fx, fy, line->fPlane);
 #endif
 #ifdef DO_RGBA
    line->span.array->rgba[i][RCOMP] = solve_plane_chan(fx, fy, line->rPlane);
@@ -86,9 +86,9 @@ NAME(plot)(GLcontext *ctx, struct LineInfo *line, int ix, int iy)
       else {
          invQ = solve_plane_recip(fx, fy, line->vPlane[0]);
       }
-      line->span.array->texcoords[0][i][0] = solve_plane(fx, fy, line->sPlane[0]) * invQ;
-      line->span.array->texcoords[0][i][1] = solve_plane(fx, fy, line->tPlane[0]) * invQ;
-      line->span.array->texcoords[0][i][2] = solve_plane(fx, fy, line->uPlane[0]) * invQ;
+      line->span.array->attribs[FRAG_ATTRIB_TEX0][i][0] = solve_plane(fx, fy, line->sPlane[0]) * invQ;
+      line->span.array->attribs[FRAG_ATTRIB_TEX0][i][1] = solve_plane(fx, fy, line->tPlane[0]) * invQ;
+      line->span.array->attribs[FRAG_ATTRIB_TEX0][i][2] = solve_plane(fx, fy, line->uPlane[0]) * invQ;
       line->span.array->lambda[0][i] = compute_lambda(line->sPlane[0],
                                                       line->tPlane[0], invQ,
                                                       line->texWidth[0],
@@ -106,9 +106,9 @@ NAME(plot)(GLcontext *ctx, struct LineInfo *line, int ix, int iy)
             else {
                invQ = solve_plane_recip(fx, fy, line->vPlane[unit]);
             }
-            line->span.array->texcoords[unit][i][0] = solve_plane(fx, fy, line->sPlane[unit]) * invQ;
-            line->span.array->texcoords[unit][i][1] = solve_plane(fx, fy, line->tPlane[unit]) * invQ;
-            line->span.array->texcoords[unit][i][2] = solve_plane(fx, fy, line->uPlane[unit]) * invQ;
+            line->span.array->attribs[FRAG_ATTRIB_TEX0 + unit][i][0] = solve_plane(fx, fy, line->sPlane[unit]) * invQ;
+            line->span.array->attribs[FRAG_ATTRIB_TEX0 + unit][i][1] = solve_plane(fx, fy, line->tPlane[unit]) * invQ;
+            line->span.array->attribs[FRAG_ATTRIB_TEX0 + unit][i][2] = solve_plane(fx, fy, line->uPlane[unit]) * invQ;
             line->span.array->lambda[unit][i] = compute_lambda(line->sPlane[unit],
                                                                line->tPlane[unit], invQ,
                                                                line->texWidth[unit], line->texHeight[unit]);
diff --git a/src/mesa/swrast/s_aatritemp.h b/src/mesa/swrast/s_aatritemp.h
index b5470a0298..3359a919e5 100644
--- a/src/mesa/swrast/s_aatritemp.h
+++ b/src/mesa/swrast/s_aatritemp.h
@@ -289,7 +289,7 @@
             array->z[count] = (GLuint) solve_plane(cx, cy, zPlane);
 #endif
 #ifdef DO_FOG
-	    array->fog[count] = solve_plane(cx, cy, fogPlane);
+	    array->attribs[FRAG_ATTRIB_FOGC][count][0] = solve_plane(cx, cy, fogPlane);
 #endif
 #ifdef DO_RGBA
             array->rgba[count][RCOMP] = solve_plane_chan(cx, cy, rPlane);
@@ -308,9 +308,9 @@
 #ifdef DO_TEX
             {
                const GLfloat invQ = solve_plane_recip(cx, cy, vPlane);
-               array->texcoords[0][count][0] = solve_plane(cx, cy, sPlane) * invQ;
-               array->texcoords[0][count][1] = solve_plane(cx, cy, tPlane) * invQ;
-               array->texcoords[0][count][2] = solve_plane(cx, cy, uPlane) * invQ;
+               array->attribs[FRAG_ATTRIB_TEX0 + 0][count][0] = solve_plane(cx, cy, sPlane) * invQ;
+               array->attribs[FRAG_ATTRIB_TEX0 + 0][count][1] = solve_plane(cx, cy, tPlane) * invQ;
+               array->attribs[FRAG_ATTRIB_TEX0 + 0][count][2] = solve_plane(cx, cy, uPlane) * invQ;
                array->lambda[0][count] = compute_lambda(sPlane, tPlane, vPlane,
                                                       cx, cy, invQ,
                                                       texWidth, texHeight);
@@ -321,9 +321,9 @@
                for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) {
                   if (ctx->Texture.Unit[unit]._ReallyEnabled) {
                      GLfloat invQ = solve_plane_recip(cx, cy, vPlane[unit]);
-                     array->texcoords[unit][count][0] = solve_plane(cx, cy, sPlane[unit]) * invQ;
-                     array->texcoords[unit][count][1] = solve_plane(cx, cy, tPlane[unit]) * invQ;
-                     array->texcoords[unit][count][2] = solve_plane(cx, cy, uPlane[unit]) * invQ;
+                     array->attribs[FRAG_ATTRIB_TEX0 + unit][count][0] = solve_plane(cx, cy, sPlane[unit]) * invQ;
+                     array->attribs[FRAG_ATTRIB_TEX0 + unit][count][1] = solve_plane(cx, cy, tPlane[unit]) * invQ;
+                     array->attribs[FRAG_ATTRIB_TEX0 + unit][count][2] = solve_plane(cx, cy, uPlane[unit]) * invQ;
                      array->lambda[unit][count] = compute_lambda(sPlane[unit],
                                       tPlane[unit], vPlane[unit], cx, cy, invQ,
                                       texWidth[unit], texHeight[unit]);
@@ -393,7 +393,7 @@
             array->z[ix] = (GLuint) solve_plane(cx, cy, zPlane);
 #endif
 #ifdef DO_FOG
-            array->fog[ix] = solve_plane(cx, cy, fogPlane);
+            array->attribs[FRAG_ATTRIB_FOGC][ix][0] = solve_plane(cx, cy, fogPlane);
 #endif
 #ifdef DO_RGBA
             array->rgba[ix][RCOMP] = solve_plane_chan(cx, cy, rPlane);
@@ -412,9 +412,9 @@
 #ifdef DO_TEX
             {
                const GLfloat invQ = solve_plane_recip(cx, cy, vPlane);
-               array->texcoords[0][ix][0] = solve_plane(cx, cy, sPlane) * invQ;
-               array->texcoords[0][ix][1] = solve_plane(cx, cy, tPlane) * invQ;
-               array->texcoords[0][ix][2] = solve_plane(cx, cy, uPlane) * invQ;
+               array->attribs[FRAG_ATTRIB_TEX0][ix][0] = solve_plane(cx, cy, sPlane) * invQ;
+               array->attribs[FRAG_ATTRIB_TEX0][ix][1] = solve_plane(cx, cy, tPlane) * invQ;
+               array->attribs[FRAG_ATTRIB_TEX0][ix][2] = solve_plane(cx, cy, uPlane) * invQ;
                array->lambda[0][ix] = compute_lambda(sPlane, tPlane, vPlane,
                                           cx, cy, invQ, texWidth, texHeight);
             }
@@ -424,9 +424,9 @@
                for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) {
                   if (ctx->Texture.Unit[unit]._ReallyEnabled) {
                      GLfloat invQ = solve_plane_recip(cx, cy, vPlane[unit]);
-                     array->texcoords[unit][ix][0] = solve_plane(cx, cy, sPlane[unit]) * invQ;
-                     array->texcoords[unit][ix][1] = solve_plane(cx, cy, tPlane[unit]) * invQ;
-                     array->texcoords[unit][ix][2] = solve_plane(cx, cy, uPlane[unit]) * invQ;
+                     array->attribs[FRAG_ATTRIB_TEX0 + unit][ix][0] = solve_plane(cx, cy, sPlane[unit]) * invQ;
+                     array->attribs[FRAG_ATTRIB_TEX0 + unit][ix][1] = solve_plane(cx, cy, tPlane[unit]) * invQ;
+                     array->attribs[FRAG_ATTRIB_TEX0 + unit][ix][2] = solve_plane(cx, cy, uPlane[unit]) * invQ;
                      array->lambda[unit][ix] = compute_lambda(sPlane[unit],
                                                             tPlane[unit],
                                                             vPlane[unit],
@@ -468,10 +468,11 @@
                array->z[j] = array->z[j + left];
 #endif
 #ifdef DO_FOG
-               array->fog[j] = array->fog[j + left];
+               array->attribs[FRAG_ATTRIB_FOGC][j][0]
+                  = array->attribs[FRAG_ATTRIB_FOGC][j + left][0];
 #endif
 #ifdef DO_TEX
-               COPY_4V(array->texcoords[0][j], array->texcoords[0][j + left]);
+               COPY_4V(array->attribs[FRAG_ATTRIB_TEX0 + 0][j], array->attribs[FRAG_ATTRIB_TEX0 + 0][j + left]);
 #endif
 #if defined(DO_MULTITEX) || defined(DO_TEX)
                array->lambda[0][j] = array->lambda[0][j + left];
@@ -488,9 +489,9 @@
                if (ctx->Texture.Unit[unit]._ReallyEnabled) {
                   GLint j;
                   for (j = 0; j < (GLint) n; j++) {
-		     array->texcoords[unit][j][0] = array->texcoords[unit][j + left][0];
-                     array->texcoords[unit][j][1] = array->texcoords[unit][j + left][1];
-                     array->texcoords[unit][j][2] = array->texcoords[unit][j + left][2];
+                     array->attribs[FRAG_ATTRIB_TEX0 + unit][j][0] = array->attribs[FRAG_ATTRIB_TEX0 + unit][j + left][0];
+                     array->attribs[FRAG_ATTRIB_TEX0 + unit][j][1] = array->attribs[FRAG_ATTRIB_TEX0 + unit][j + left][1];
+                     array->attribs[FRAG_ATTRIB_TEX0 + unit][j][2] = array->attribs[FRAG_ATTRIB_TEX0 + unit][j + left][2];
                      array->lambda[unit][j] = array->lambda[unit][j + left];
                   }
                }
diff --git a/src/mesa/swrast/s_alpha.c b/src/mesa/swrast/s_alpha.c
index 87a016512c..af8a6baddc 100644
--- a/src/mesa/swrast/s_alpha.c
+++ b/src/mesa/swrast/s_alpha.c
@@ -123,7 +123,7 @@ _swrast_alpha_test(const GLcontext *ctx, SWspan *span)
          ALPHA_TEST(rgba[i][ACOMP], ;);
       }
       else {
-         GLfloat (*rgba)[4] = span->array->color.sz4.rgba;
+         GLfloat (*rgba)[4] = span->array->attribs[FRAG_ATTRIB_COL0];
          const GLfloat ref = ctx->Color.AlphaRef;
          ALPHA_TEST(rgba[i][ACOMP], ;);
       }
diff --git a/src/mesa/swrast/s_atifragshader.c b/src/mesa/swrast/s_atifragshader.c
index 75df50b0ba..1ac6528a91 100644
--- a/src/mesa/swrast/s_atifragshader.c
+++ b/src/mesa/swrast/s_atifragshader.c
@@ -268,7 +268,7 @@ handle_pass_op(struct atifs_machine *machine, struct atifs_setupinst *texinst,
    if (pass_tex >= GL_TEXTURE0_ARB && pass_tex <= GL_TEXTURE7_ARB) {
       pass_tex -= GL_TEXTURE0_ARB;
       COPY_4V(machine->Registers[idx],
-	      span->array->texcoords[pass_tex][column]);
+	      span->array->attribs[FRAG_ATTRIB_TEX0 + pass_tex][column]);
    }
    else if (pass_tex >= GL_REG_0_ATI && pass_tex <= GL_REG_5_ATI) {
       pass_tex -= GL_REG_0_ATI;
@@ -290,7 +290,8 @@ handle_sample_op(GLcontext * ctx, struct atifs_machine *machine,
 
    if (coord_source >= GL_TEXTURE0_ARB && coord_source <= GL_TEXTURE7_ARB) {
       coord_source -= GL_TEXTURE0_ARB;
-      COPY_4V(tex_coords, span->array->texcoords[coord_source][column]);
+      COPY_4V(tex_coords,
+              span->array->attribs[FRAG_ATTRIB_TEX0 + coord_source][column]);
    }
    else if (coord_source >= GL_REG_0_ATI && coord_source <= GL_REG_5_ATI) {
       coord_source -= GL_REG_0_ATI;
@@ -572,8 +573,8 @@ init_machine(GLcontext * ctx, struct atifs_machine *machine,
 	 machine->Registers[i][j] = 0.0;
    }
 
-   COPY_4V(inputs[ATI_FS_INPUT_PRIMARY], span->array->color.sz4.rgba[col]);
-   COPY_4V(inputs[ATI_FS_INPUT_SECONDARY], span->array->color.sz4.spec[col]);
+   COPY_4V(inputs[ATI_FS_INPUT_PRIMARY], span->array->attribs[FRAG_ATTRIB_COL0][col]);
+   COPY_4V(inputs[ATI_FS_INPUT_SECONDARY], span->array->attribs[FRAG_ATTRIB_COL1][col]);
 }
 
 
@@ -604,7 +605,7 @@ _swrast_exec_fragment_shader(GLcontext * ctx, SWspan *span)
 	    const GLfloat *colOut = machine.Registers[0];
             /*fprintf(stderr,"outputs %f %f %f %f\n",
               colOut[0], colOut[1], colOut[2], colOut[3]); */
-            COPY_4V(span->array->color.sz4.rgba[i], colOut);
+            COPY_4V(span->array->attribs[FRAG_ATTRIB_COL0][i], colOut);
 	 }
       }
    }
diff --git a/src/mesa/swrast/s_copypix.c b/src/mesa/swrast/s_copypix.c
index 761ab724e9..a9bc6433de 100644
--- a/src/mesa/swrast/s_copypix.c
+++ b/src/mesa/swrast/s_copypix.c
@@ -263,7 +263,7 @@ copy_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
    ASSERT(width < MAX_WIDTH);
 
    for (row = 0; row < height; row++, sy += stepy, dy += stepy) {
-      GLvoid *rgba = span.array->color.sz4.rgba;
+      GLvoid *rgba = span.array->attribs[FRAG_ATTRIB_COL0];
 
       /* Get row/span of source pixels */
       if (overlapping) {
diff --git a/src/mesa/swrast/s_drawpix.c b/src/mesa/swrast/s_drawpix.c
index bdb2558351..dd2b57c7d3 100644
--- a/src/mesa/swrast/s_drawpix.c
+++ b/src/mesa/swrast/s_drawpix.c
@@ -635,7 +635,7 @@ draw_rgba_pixels( GLcontext *ctx, GLint x, GLint y,
          = _mesa_image_row_stride(unpack, width, format, type);
       GLint skipPixels = 0;
       /* use span array for temp color storage */
-      GLfloat *rgba = (GLfloat *) span.array->color.sz4.rgba;
+      GLfloat *rgba = (GLfloat *) span.array->attribs[FRAG_ATTRIB_COL0];
 
       /* if the span is wider than MAX_WIDTH we have to do it in chunks */
       while (skipPixels < width) {
diff --git a/src/mesa/swrast/s_fog.c b/src/mesa/swrast/s_fog.c
index f4c3fe4f2d..93d2ab469f 100644
--- a/src/mesa/swrast/s_fog.c
+++ b/src/mesa/swrast/s_fog.c
@@ -154,7 +154,7 @@ _swrast_fog_rgba_span( const GLcontext *ctx, SWspan *span )
             FOG_LOOP(GLushort, COMPUTE_F);
          }
          else {
-            GLfloat (*rgba)[4] = span->array->color.sz4.rgba;
+            GLfloat (*rgba)[4] = span->array->attribs[FRAG_ATTRIB_COL0];
             ASSERT(span->array->ChanType == GL_FLOAT);
             FOG_LOOP(GLfloat, COMPUTE_F);
          }
@@ -172,7 +172,7 @@ _swrast_fog_rgba_span( const GLcontext *ctx, SWspan *span )
             FOG_LOOP(GLushort, COMPUTE_F);
          }
          else {
-            GLfloat (*rgba)[4] = span->array->color.sz4.rgba;
+            GLfloat (*rgba)[4] = span->array->attribs[FRAG_ATTRIB_COL0];
             ASSERT(span->array->ChanType == GL_FLOAT);
             FOG_LOOP(GLfloat, COMPUTE_F);
          }
@@ -194,7 +194,7 @@ _swrast_fog_rgba_span( const GLcontext *ctx, SWspan *span )
             FOG_LOOP(GLushort, COMPUTE_F);
          }
          else {
-            GLfloat (*rgba)[4] = span->array->color.sz4.rgba;
+            GLfloat (*rgba)[4] = span->array->attribs[FRAG_ATTRIB_COL0];
             ASSERT(span->array->ChanType == GL_FLOAT);
             FOG_LOOP(GLfloat, COMPUTE_F);
          }
@@ -214,7 +214,7 @@ _swrast_fog_rgba_span( const GLcontext *ctx, SWspan *span )
       if (span->array->ChanType == GL_UNSIGNED_BYTE) {
          GLubyte (*rgba)[4] = span->array->color.sz1.rgba;
          for (i = 0; i < span->end; i++) {
-            const GLfloat f = span->array->fog[i];
+            const GLfloat f = span->array->attribs[FRAG_ATTRIB_FOGC][i][0];
             const GLfloat oneMinusF = 1.0F - f;
             rgba[i][RCOMP] = (GLubyte) (f * rgba[i][RCOMP] + oneMinusF * rFog);
             rgba[i][GCOMP] = (GLubyte) (f * rgba[i][GCOMP] + oneMinusF * gFog);
@@ -224,7 +224,7 @@ _swrast_fog_rgba_span( const GLcontext *ctx, SWspan *span )
       else if (span->array->ChanType == GL_UNSIGNED_SHORT) {
          GLushort (*rgba)[4] = span->array->color.sz2.rgba;
          for (i = 0; i < span->end; i++) {
-            const GLfloat f = span->array->fog[i];
+            const GLfloat f = span->array->attribs[FRAG_ATTRIB_FOGC][i][0];
             const GLfloat oneMinusF = 1.0F - f;
             rgba[i][RCOMP] = (GLushort) (f * rgba[i][RCOMP] + oneMinusF * rFog);
             rgba[i][GCOMP] = (GLushort) (f * rgba[i][GCOMP] + oneMinusF * gFog);
@@ -232,10 +232,10 @@ _swrast_fog_rgba_span( const GLcontext *ctx, SWspan *span )
          }
       }
       else {
-         GLfloat (*rgba)[4] = span->array->color.sz4.rgba;
+         GLfloat (*rgba)[4] = span->array->attribs[FRAG_ATTRIB_COL0];
          ASSERT(span->array->ChanType == GL_FLOAT);
          for (i = 0; i < span->end; i++) {
-            const GLfloat f = span->array->fog[i];
+            const GLfloat f = span->array->attribs[FRAG_ATTRIB_FOGC][i][0];
             const GLfloat oneMinusF = 1.0F - f;
             rgba[i][RCOMP] = f * rgba[i][RCOMP] + oneMinusF * rFog;
             rgba[i][GCOMP] = f * rgba[i][GCOMP] + oneMinusF * gFog;
@@ -258,7 +258,7 @@ _swrast_fog_rgba_span( const GLcontext *ctx, SWspan *span )
          FOG_LOOP(GLushort, COMPUTE_F);
       }
       else {
-         GLfloat (*rgba)[4] = span->array->color.sz4.rgba;
+         GLfloat (*rgba)[4] = span->array->attribs[FRAG_ATTRIB_COL0];
          ASSERT(span->array->ChanType == GL_FLOAT);
          FOG_LOOP(GLfloat, COMPUTE_F);
       }
@@ -360,7 +360,7 @@ _swrast_fog_ci_span( const GLcontext *ctx, SWspan *span )
        */
       GLuint i;
       for (i = 0; i < span->end; i++) {
-         const GLfloat f = span->array->fog[i];
+         const GLfloat f = span->array->attribs[FRAG_ATTRIB_FOGC][i][0];
          index[i] = (GLuint) ((GLfloat) index[i] + (1.0F - f) * fogIndex);
       }
    }
diff --git a/src/mesa/swrast/s_fragprog.c b/src/mesa/swrast/s_fragprog.c
index 12afb5ea0e..9ae423dde9 100644
--- a/src/mesa/swrast/s_fragprog.c
+++ b/src/mesa/swrast/s_fragprog.c
@@ -47,8 +47,11 @@
  */
 struct fp_machine
 {
+   /** Fragment Input attributes */
+   GLfloat (*Attribs)[MAX_WIDTH][4];
+   GLuint CurFrag; /**< Index into Attribs arrays */
+
    GLfloat Temporaries[MAX_PROGRAM_TEMPS][4];
-   GLfloat Inputs[FRAG_ATTRIB_MAX][4];
    GLfloat Outputs[FRAG_RESULT_MAX][4];
    GLuint CondCodes[4];  /**< COND_* value for x/y/z/w */
 
@@ -72,7 +75,7 @@ _swrast_get_program_register(GLcontext *ctx, enum register_file file,
    if (CurrentMachine) {
       switch (file) {
       case PROGRAM_INPUT:
-         COPY_4V(val, CurrentMachine->Inputs[index]);
+         COPY_4V(val, CurrentMachine->Attribs[index][CurrentMachine->CurFrag]);
          break;
       case PROGRAM_OUTPUT:
          COPY_4V(val, CurrentMachine->Outputs[index]);
@@ -160,7 +163,7 @@ get_register_pointer( GLcontext *ctx,
       return machine->Temporaries[source->Index];
    case PROGRAM_INPUT:
       ASSERT(source->Index < FRAG_ATTRIB_MAX);
-      return machine->Inputs[source->Index];
+      return machine->Attribs[source->Index][machine->CurFrag];
    case PROGRAM_OUTPUT:
       /* This is only for PRINT */
       ASSERT(source->Index < FRAG_RESULT_MAX);
@@ -554,7 +557,7 @@ init_machine_deriv( GLcontext *ctx,
 
    /* Add derivatives */
    if (program->Base.InputsRead & FRAG_BIT_WPOS) {
-      GLfloat *wpos = (GLfloat*) machine->Inputs[FRAG_ATTRIB_WPOS];
+      GLfloat *wpos = machine->Attribs[FRAG_ATTRIB_WPOS][machine->CurFrag];
       if (xOrY == 'X') {
          wpos[0] += 1.0F;
          wpos[1] += 0.0F;
@@ -569,7 +572,7 @@ init_machine_deriv( GLcontext *ctx,
       }
    }
    if (program->Base.InputsRead & FRAG_BIT_COL0) {
-      GLfloat *col0 = (GLfloat*) machine->Inputs[FRAG_ATTRIB_COL0];
+      GLfloat *col0 = machine->Attribs[FRAG_ATTRIB_COL0][machine->CurFrag];
       if (xOrY == 'X') {
          col0[0] += span->drdx * (1.0F / CHAN_MAXF);
          col0[1] += span->dgdx * (1.0F / CHAN_MAXF);
@@ -584,7 +587,7 @@ init_machine_deriv( GLcontext *ctx,
       }
    }
    if (program->Base.InputsRead & FRAG_BIT_COL1) {
-      GLfloat *col1 = (GLfloat*) machine->Inputs[FRAG_ATTRIB_COL1];
+      GLfloat *col1 = machine->Attribs[FRAG_ATTRIB_COL1][machine->CurFrag];
       if (xOrY == 'X') {
          col1[0] += span->dsrdx * (1.0F / CHAN_MAXF);
          col1[1] += span->dsgdx * (1.0F / CHAN_MAXF);
@@ -599,7 +602,7 @@ init_machine_deriv( GLcontext *ctx,
       }
    }
    if (program->Base.InputsRead & FRAG_BIT_FOGC) {
-      GLfloat *fogc = (GLfloat*) machine->Inputs[FRAG_ATTRIB_FOGC];
+      GLfloat *fogc = machine->Attribs[FRAG_ATTRIB_FOGC][machine->CurFrag];
       if (xOrY == 'X') {
          fogc[0] += span->dfogdx;
       }
@@ -609,7 +612,7 @@ init_machine_deriv( GLcontext *ctx,
    }
    for (u = 0; u < ctx->Const.MaxTextureCoordUnits; u++) {
       if (program->Base.InputsRead & FRAG_BIT_TEX(u)) {
-         GLfloat *tex = (GLfloat*) machine->Inputs[FRAG_ATTRIB_TEX0 + u];
+         GLfloat *tex = machine->Attribs[FRAG_ATTRIB_TEX0 + u][machine->CurFrag];
          /* XXX perspective-correct interpolation */
          if (xOrY == 'X') {
             tex[0] += span->texStepX[u][0];
@@ -628,7 +631,7 @@ init_machine_deriv( GLcontext *ctx,
 
    for (v = 0; v < ctx->Const.MaxVarying; v++) {
       if (program->Base.InputsRead & FRAG_BIT_VAR(v)) {
-         GLfloat *var = (GLfloat*) machine->Inputs[FRAG_ATTRIB_VAR0 + v];
+         GLfloat *var = machine->Attribs[FRAG_ATTRIB_VAR0 + v][machine->CurFrag];
          if (xOrY == 'X') {
             var[0] += span->varStepX[v][0];
             var[1] += span->varStepX[v][1];
@@ -1686,7 +1689,6 @@ init_machine( GLcontext *ctx, struct fp_machine *machine,
               const SWspan *span, GLuint col )
 {
    GLuint inputsRead = program->Base.InputsRead;
-   GLuint u, v;
 
    if (ctx->FragmentProgram.CallbackEnabled)
       inputsRead = ~0;
@@ -1697,63 +1699,9 @@ init_machine( GLcontext *ctx, struct fp_machine *machine,
                   MAX_NV_FRAGMENT_PROGRAM_TEMPS * 4 * sizeof(GLfloat));
    }
 
-   /* Load input registers */
-   if (inputsRead & FRAG_BIT_WPOS) {
-      GLfloat *wpos = machine->Inputs[FRAG_ATTRIB_WPOS];
-      ASSERT(span->arrayMask & SPAN_Z);
-      if (span->arrayMask & SPAN_XY) {
-         wpos[0] = (GLfloat) span->array->x[col];
-         wpos[1] = (GLfloat) span->array->y[col];
-      }
-      else {
-         wpos[0] = (GLfloat) span->x + col;
-         wpos[1] = (GLfloat) span->y;
-      }
-      wpos[2] = (GLfloat) span->array->z[col] / ctx->DrawBuffer->_DepthMaxF;
-      wpos[3] = span->w + col * span->dwdx;
-   }
-   if (inputsRead & FRAG_BIT_COL0) {
-      ASSERT(span->arrayMask & SPAN_RGBA);
-      COPY_4V(machine->Inputs[FRAG_ATTRIB_COL0],
-              span->array->color.sz4.rgba[col]);
-   }
-   if (inputsRead & FRAG_BIT_COL1) {
-      ASSERT(span->arrayMask & SPAN_SPEC);
-      COPY_4V(machine->Inputs[FRAG_ATTRIB_COL1],
-              span->array->color.sz4.spec[col]);
-   }
-   if (inputsRead & FRAG_BIT_FOGC) {
-      GLfloat *fogc = machine->Inputs[FRAG_ATTRIB_FOGC];
-      ASSERT(span->arrayMask & SPAN_FOG);
-      fogc[0] = span->array->fog[col];
-      fogc[1] = 0.0F;
-      fogc[2] = 0.0F;
-      fogc[3] = 0.0F;
-   }
-   for (u = 0; u < ctx->Const.MaxTextureCoordUnits; u++) {
-      if (inputsRead & FRAG_BIT_TEX(u)) {
-         GLfloat *tex = machine->Inputs[FRAG_ATTRIB_TEX0 + u];
-         /*ASSERT(ctx->Texture._EnabledCoordUnits & (1 << u));*/
-         COPY_4V(tex, span->array->texcoords[u][col]);
-         /*ASSERT(tex[0] != 0 || tex[1] != 0 || tex[2] != 0);*/
-#if 0
-         printf("Texcoord %d: %g %g %g %g\n", u,
-                tex[0], tex[1], tex[2], tex[3]);
-#endif
-      }
-   }
-   for (v = 0; v < ctx->Const.MaxVarying; v++) {
-      if (inputsRead & FRAG_BIT_VAR(v)) {
-#if 0
-         printf("Frag Var %d at y=%d: %f %f %f\n", v, col,
-                span->array->varying[v][col][0],
-                span->array->varying[v][col][1],
-                span->array->varying[v][col][2]);
-#endif
-         COPY_4V(machine->Inputs[FRAG_ATTRIB_VAR0 + v],
-                 span->array->varying[v][col]);
-      }
-   }
+   /* Setup pointer to input attributes */
+   machine->Attribs = span->array->attribs;
+   machine->CurFrag = col;
 
    /* init condition codes */
    machine->CondCodes[0] = COND_EQ;
@@ -1784,7 +1732,7 @@ run_program(GLcontext *ctx, SWspan *span, GLuint start, GLuint end)
 
          if (execute_program(ctx, program, ~0, &machine, span, i)) {
             /* Store result color */
-            COPY_4V(span->array->color.sz4.rgba[i],
+            COPY_4V(span->array->attribs[FRAG_ATTRIB_COL0][i],
                     machine.Outputs[FRAG_RESULT_COLR]);
 
             /* Store result depth/z */
diff --git a/src/mesa/swrast/s_logic.c b/src/mesa/swrast/s_logic.c
index 719b17962d..e680732bee 100644
--- a/src/mesa/swrast/s_logic.c
+++ b/src/mesa/swrast/s_logic.c
@@ -240,7 +240,7 @@ _swrast_logicop_rgba_span(GLcontext *ctx, struct gl_renderbuffer *rb,
    }
    else {
       logicop_uint4(ctx, 4 * span->end,
-                    (GLuint *) span->array->color.sz4.rgba,
+                    (GLuint *) span->array->attribs[FRAG_ATTRIB_COL0],
                     (const GLuint *) rbPixels, span->array->mask);
    }
 }
diff --git a/src/mesa/swrast/s_masking.c b/src/mesa/swrast/s_masking.c
index 65c984dd3e..8800f7d8e3 100644
--- a/src/mesa/swrast/s_masking.c
+++ b/src/mesa/swrast/s_masking.c
@@ -91,7 +91,7 @@ _swrast_mask_rgba_span(GLcontext *ctx, struct gl_renderbuffer *rb,
       const GLuint bMask = ctx->Color.ColorMask[BCOMP] ? ~0x0 : 0x0;
       const GLuint aMask = ctx->Color.ColorMask[ACOMP] ? ~0x0 : 0x0;
       const GLuint (*dst)[4] = (const GLuint (*)[4]) rbPixels;
-      GLuint (*src)[4] = (GLuint (*)[4]) span->array->color.sz4.rgba;
+      GLuint (*src)[4] = (GLuint (*)[4]) span->array->attribs[FRAG_ATTRIB_COL0];
       GLuint i;
       for (i = 0; i < n; i++) {
          src[i][RCOMP] = (src[i][RCOMP] & rMask) | (dst[i][RCOMP] & ~rMask);
diff --git a/src/mesa/swrast/s_pointtemp.h b/src/mesa/swrast/s_pointtemp.h
index b41776b017..f68630af93 100644
--- a/src/mesa/swrast/s_pointtemp.h
+++ b/src/mesa/swrast/s_pointtemp.h
@@ -280,7 +280,7 @@ NAME ( GLcontext *ctx, const SWvertex *vert )
 #if FLAGS & TEXTURE
             for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
                if (ctx->Texture._EnabledCoordUnits & (1 << u)) {
-                  COPY_4V(span->array->texcoords[u][count], texcoord[u]);
+                  COPY_4V(span->array->attribs[FRAG_ATTRIB_TEX0 + u][count], texcoord[u]);
                   span->array->lambda[u][count] = 0.0;
                }
             }
@@ -342,14 +342,14 @@ NAME ( GLcontext *ctx, const SWvertex *vert )
                         r = vert->texcoord[u][0];
                      else /* GL_R */
                         r = vert->texcoord[u][2];
-                     span->array->texcoords[u][count][0] = s;
-                     span->array->texcoords[u][count][1] = t;
-                     span->array->texcoords[u][count][2] = r;
-                     span->array->texcoords[u][count][3] = 1.0F;
+                     span->array->attribs[FRAG_ATTRIB_TEX0 + u][count][0] = s;
+                     span->array->attribs[FRAG_ATTRIB_TEX0 + u][count][1] = t;
+                     span->array->attribs[FRAG_ATTRIB_TEX0 + u][count][2] = r;
+                     span->array->attribs[FRAG_ATTRIB_TEX0 + u][count][3] = 1.0F;
                      span->array->lambda[u][count] = 0.0; /* XXX fix? */
                   }
                   else {
-                     COPY_4V(span->array->texcoords[u][count], vert->texcoord[u]);
+                     COPY_4V(span->array->attribs[FRAG_ATTRIB_TEX0 + u][count], vert->texcoord[u]);
                   }
                }
             }
@@ -402,7 +402,7 @@ NAME ( GLcontext *ctx, const SWvertex *vert )
 #if FLAGS & TEXTURE
       for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
          if (ctx->Texture.Unit[u]._ReallyEnabled) {
-            COPY_4V(span->array->texcoords[u][count], texcoord[u]);
+            COPY_4V(span->array->attribs[FRAG_ATTRIB_TEX0 + u][count], texcoord[u]);
          }
       }
 #endif
diff --git a/src/mesa/swrast/s_readpix.c b/src/mesa/swrast/s_readpix.c
index 128ce0afb3..75134ab462 100644
--- a/src/mesa/swrast/s_readpix.c
+++ b/src/mesa/swrast/s_readpix.c
@@ -394,7 +394,7 @@ read_rgba_pixels( GLcontext *ctx,
       /* no convolution */
       const GLint dstStride
          = _mesa_image_row_stride(packing, width, format, type);
-      GLfloat (*rgba)[4] = swrast->SpanArrays->color.sz4.rgba;
+      GLfloat (*rgba)[4] = swrast->SpanArrays->attribs[FRAG_ATTRIB_COL0];
       GLint row;
       GLubyte *dst = _mesa_image_address2d(packing, pixels, width, height,
                                            format, type, 0, 0);
diff --git a/src/mesa/swrast/s_span.c b/src/mesa/swrast/s_span.c
index d97c1672c2..5c552e6288 100644
--- a/src/mesa/swrast/s_span.c
+++ b/src/mesa/swrast/s_span.c
@@ -239,7 +239,7 @@ interpolate_colors(SWspan *span)
 #endif
    case GL_FLOAT:
       {
-         GLfloat (*rgba)[4] = span->array->color.sz4.rgba;
+         GLfloat (*rgba)[4] = span->array->attribs[FRAG_ATTRIB_COL0];
          GLfloat r, g, b, a, dr, dg, db, da;
          r = span->red;
          g = span->green;
@@ -351,7 +351,7 @@ interpolate_specular(SWspan *span)
 #endif
    case GL_FLOAT:
       {
-         GLfloat (*spec)[4] = span->array->color.sz4.spec;
+         GLfloat (*spec)[4] = span->array->attribs[FRAG_ATTRIB_COL1];
 #if CHAN_BITS <= 16
          GLfloat r = CHAN_TO_FLOAT(FixedToChan(span->specRed));
          GLfloat g = CHAN_TO_FLOAT(FixedToChan(span->specGreen));
@@ -430,7 +430,7 @@ interpolate_indexes(GLcontext *ctx, SWspan *span)
 static INLINE void
 interpolate_fog(const GLcontext *ctx, SWspan *span)
 {
-   GLfloat *fog = span->array->fog;
+   GLfloat (*fog)[4] = span->array->attribs[FRAG_ATTRIB_FOGC];
    const GLfloat fogStep = span->fogStep;
    GLfloat fogCoord = span->fog;
    const GLuint haveW = (span->interpMask & SPAN_W);
@@ -438,7 +438,7 @@ interpolate_fog(const GLcontext *ctx, SWspan *span)
    GLfloat w = haveW ? span->w : 1.0F;
    GLuint i;
    for (i = 0; i < span->end; i++) {
-      fog[i] = fogCoord / w;
+      fog[i][0] = fogCoord / w;
       fogCoord += fogStep;
       w += wStep;
    }
@@ -565,7 +565,7 @@ interpolate_texcoords(GLcontext *ctx, SWspan *span)
                needLambda = GL_FALSE;
             }
             if (needLambda) {
-               GLfloat (*texcoord)[4] = span->array->texcoords[u];
+               GLfloat (*texcoord)[4] = span->array->attribs[FRAG_ATTRIB_TEX0 + u];
                GLfloat *lambda = span->array->lambda[u];
                const GLfloat dsdx = span->texStepX[u][0];
                const GLfloat dsdy = span->texStepY[u][0];
@@ -620,7 +620,7 @@ interpolate_texcoords(GLcontext *ctx, SWspan *span)
                span->arrayMask |= SPAN_LAMBDA;
             }
             else {
-               GLfloat (*texcoord)[4] = span->array->texcoords[u];
+               GLfloat (*texcoord)[4] = span->array->attribs[FRAG_ATTRIB_TEX0 + u];
                GLfloat *lambda = span->array->lambda[u];
                const GLfloat dsdx = span->texStepX[u][0];
                const GLfloat dtdx = span->texStepX[u][1];
@@ -701,7 +701,7 @@ interpolate_texcoords(GLcontext *ctx, SWspan *span)
       span->arrayMask |= SPAN_TEXTURE;
       if (needLambda) {
          /* just texture unit 0, with lambda */
-         GLfloat (*texcoord)[4] = span->array->texcoords[0];
+         GLfloat (*texcoord)[4] = span->array->attribs[FRAG_ATTRIB_TEX0];
          GLfloat *lambda = span->array->lambda[0];
          const GLfloat dsdx = span->texStepX[0][0];
          const GLfloat dsdy = span->texStepY[0][0];
@@ -757,7 +757,7 @@ interpolate_texcoords(GLcontext *ctx, SWspan *span)
       }
       else {
          /* just texture 0, without lambda */
-         GLfloat (*texcoord)[4] = span->array->texcoords[0];
+         GLfloat (*texcoord)[4] = span->array->attribs[FRAG_ATTRIB_TEX0];
          const GLfloat dsdx = span->texStepX[0][0];
          const GLfloat dtdx = span->texStepX[0][1];
          const GLfloat drdx = span->texStepX[0][2];
@@ -841,7 +841,7 @@ interpolate_varying(GLcontext *ctx, SWspan *span)
             GLuint k;
             for (k = 0; k < span->end; k++) {
                GLfloat invW = 1.0f / w;
-               span->array->varying[var][k][j] = v * invW;
+               span->array->attribs[FRAG_ATTRIB_VAR0 + var][k][j] = v * invW;
                v += dvdx;
                w += dwdx;
             }
@@ -852,6 +852,33 @@ interpolate_varying(GLcontext *ctx, SWspan *span)
 
 
 /**
+ * Fill in the arrays->attribs[FRAG_ATTRIB_WPOS] array.
+ */
+static INLINE void
+interpolate_wpos(GLcontext *ctx, SWspan *span)
+{
+   GLfloat (*wpos)[4] = span->array->attribs[FRAG_ATTRIB_WPOS];
+   GLuint i;
+   if (span->arrayMask & SPAN_XY) {
+      for (i = 0; i < span->end; i++) {
+         wpos[i][0] = (GLfloat) span->array->x[i];
+         wpos[i][1] = (GLfloat) span->array->y[i];
+      }
+   }
+   else {
+      for (i = 0; i < span->end; i++) {
+         wpos[i][0] = (GLfloat) span->x + i;
+         wpos[i][1] = (GLfloat) span->y;
+      }
+   }
+   for (i = 0; i < span->end; i++) {
+      wpos[i][2] = (GLfloat) span->array->z[i] / ctx->DrawBuffer->_DepthMaxF;
+      wpos[i][3] = span->w + i * span->dwdx;
+   }
+}
+
+
+/**
  * Apply the current polygon stipple pattern to a span of pixels.
  */
 static INLINE void
@@ -1238,8 +1265,8 @@ add_specular(GLcontext *ctx, SWspan *span)
       break;
    case GL_FLOAT:
       {
-         GLfloat (*rgba)[4] = span->array->color.sz4.rgba;
-         GLfloat (*spec)[4] = span->array->color.sz4.spec;
+         GLfloat (*rgba)[4] = span->array->attribs[FRAG_ATTRIB_COL0];
+         GLfloat (*spec)[4] = span->array->attribs[FRAG_ATTRIB_COL1];
          GLuint i;
          for (i = 0; i < span->end; i++) {
             rgba[i][RCOMP] += spec[i][RCOMP];
@@ -1280,7 +1307,7 @@ apply_aa_coverage(SWspan *span)
       }
    }
    else {
-      GLfloat (*rgba)[4] = span->array->color.sz4.rgba;
+      GLfloat (*rgba)[4] = span->array->attribs[FRAG_ATTRIB_COL0];
       for (i = 0; i < span->end; i++) {
          rgba[i][ACOMP] = rgba[i][ACOMP] * coverage[i];
       }
@@ -1294,7 +1321,7 @@ apply_aa_coverage(SWspan *span)
 static INLINE void
 clamp_colors(SWspan *span)
 {
-   GLfloat (*rgba)[4] = span->array->color.sz4.rgba;
+   GLfloat (*rgba)[4] = span->array->attribs[FRAG_ATTRIB_COL0];
    GLuint i;
    ASSERT(span->array->ChanType == GL_FLOAT);
    for (i = 0; i < span->end; i++) {
@@ -1320,7 +1347,7 @@ convert_color_type(SWspan *span, GLenum newType)
       src = span->array->color.sz2.rgba;
    }
    else {
-      src = span->array->color.sz4.rgba;
+      src = span->array->attribs[FRAG_ATTRIB_COL0];
    }
    if (newType == GL_UNSIGNED_BYTE) {
       dst = span->array->color.sz1.rgba;
@@ -1329,7 +1356,7 @@ convert_color_type(SWspan *span, GLenum newType)
       dst = span->array->color.sz2.rgba;
    }
    else {
-      dst = span->array->color.sz4.rgba;
+      dst = span->array->attribs[FRAG_ATTRIB_COL0];
    }
 
    _mesa_convert_colors(span->array->ChanType, src,
@@ -1365,7 +1392,7 @@ shade_texture_span(GLcontext *ctx, SWspan *span)
             ? (GLvoid *) span->array->color.sz1.rgba
             : (GLvoid *) span->array->color.sz2.rgba;
          _mesa_convert_colors(oldType, src,
-                              newType, span->array->color.sz4.rgba,
+                              newType, span->array->attribs[FRAG_ATTRIB_COL0],
                               span->end, span->array->mask);
          span->array->ChanType = newType;
       }
@@ -1383,6 +1410,10 @@ shade_texture_span(GLcontext *ctx, SWspan *span)
       if (ctx->Shader.CurrentProgram && span->interpMask & SPAN_VARYING)
          interpolate_varying(ctx, span);
 
+      if (ctx->FragmentProgram._Current &&
+          (ctx->FragmentProgram._Current->Base.InputsRead & FRAG_BIT_WPOS))
+         interpolate_wpos(ctx, span);
+
       /* Run fragment program/shader now */
       if (ctx->FragmentProgram._Current) {
          _swrast_exec_fragment_program(ctx, span);
@@ -1938,7 +1969,7 @@ _swrast_get_dest_rgba(GLcontext *ctx, struct gl_renderbuffer *rb,
       rbPixels = span->array->color.sz2.spec;
    }
    else {
-      rbPixels = span->array->color.sz4.spec;
+      rbPixels = span->array->attribs[FRAG_ATTRIB_COL1];
    }
 
    /* Get destination values from renderbuffer */
diff --git a/src/mesa/swrast/s_span.h b/src/mesa/swrast/s_span.h
index 7c514afb0b..292679bda1 100644
--- a/src/mesa/swrast/s_span.h
+++ b/src/mesa/swrast/s_span.h
@@ -32,7 +32,7 @@
 
 
 /**
- * \defgroup SpanFlags SPAN_*-flags
+ * \defgroup SpanFlags
  * Bitflags used for interpMask and arrayMask fields below to indicate
  * which interpolant values and fragment arrays are in use, respectively.
  */
@@ -60,12 +60,10 @@ struct arrays2 {
    union {
       GLubyte  sz1[MAX_WIDTH][4]; /* primary color */
       GLushort sz2[MAX_WIDTH][4];
-      GLfloat  sz4[MAX_WIDTH][4];
    } rgba;
    union {
       GLubyte  sz1[MAX_WIDTH][4]; /* specular color and temp storage */
       GLushort sz2[MAX_WIDTH][4];
-      GLfloat  sz4[MAX_WIDTH][4];
    } spec;
 };
 #endif
@@ -80,7 +78,14 @@ struct arrays2 {
  * filled in by glDraw/CopyPixels, etc.
  * These arrays are separated out of sw_span to conserve memory.
  */
-typedef struct sw_span_arrays {
+typedef struct sw_span_arrays
+{
+   /** Per-fragment attributes (indexed by FRAG_ATTRIB_* tokens) */
+   GLfloat attribs[FRAG_ATTRIB_MAX][MAX_WIDTH][4];
+
+   /** This mask indicates which fragments are alive or culled */
+   GLubyte mask[MAX_WIDTH];
+
    GLenum ChanType; /**< Color channel type, GL_UNSIGNED_BYTE, GL_FLOAT */
    union {
       struct {
@@ -91,37 +96,17 @@ typedef struct sw_span_arrays {
          GLushort rgba[MAX_WIDTH][4];
          GLushort spec[MAX_WIDTH][4];
       } sz2;
-      struct {
-         GLfloat rgba[MAX_WIDTH][4];
-         GLfloat spec[MAX_WIDTH][4];
-      } sz4;
    } color;
    /** XXX these are temporary fields, pointing into above color arrays */
    GLchan (*rgba)[4];
    GLchan (*spec)[4];
 
-#if 0
-   /* XXX rearrange and unify these arrays to so that we can
-    * index all fragment inputs with the FRAG_ATTRIB_* values:
-    */
-   GLfloat attribs[FRAG_ATTRIB_MAX][MAX_WIDTH][4];
-   /*OR*/
-   typedef GLfloat (*array4f)[4];
-   array4f attribs[FRAG_ATTRIB_MAX];
-#endif
-
    GLint   x[MAX_WIDTH];  /**< fragment X coords */
    GLint   y[MAX_WIDTH];  /**< fragment Y coords */
    GLuint  z[MAX_WIDTH];  /**< fragment Z coords */
    GLuint  index[MAX_WIDTH];  /**< Color indexes */
-   GLfloat fog[MAX_WIDTH];
-   GLfloat texcoords[MAX_TEXTURE_COORD_UNITS][MAX_WIDTH][4];
-   GLfloat lambda[MAX_TEXTURE_COORD_UNITS][MAX_WIDTH];
+   GLfloat lambda[MAX_TEXTURE_COORD_UNITS][MAX_WIDTH]; /**< Texture LOD */
    GLfloat coverage[MAX_WIDTH];  /**< Fragment coverage for AA/smoothing */
-   GLfloat varying[MAX_VARYING][MAX_WIDTH][4]; /**< For shaders */
-
-   /** This mask indicates which fragments are alive or culled */
-   GLubyte mask[MAX_WIDTH];
 } SWspanarrays;
 
 
@@ -137,7 +122,8 @@ typedef struct sw_span_arrays {
  * stream of these structures which would be consumed by one or more
  * span-processing threads which could run in parallel.
  */
-typedef struct sw_span {
+typedef struct sw_span
+{
    GLint x, y;
 
    /** Only need to process pixels between start <= i < end */
diff --git a/src/mesa/swrast/s_texcombine.c b/src/mesa/swrast/s_texcombine.c
index 2a3455f35e..ebb4c0d936 100644
--- a/src/mesa/swrast/s_texcombine.c
+++ b/src/mesa/swrast/s_texcombine.c
@@ -1094,6 +1094,9 @@ _swrast_texture_span( GLcontext *ctx, SWspan *span )
     */
    for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) {
       if (ctx->Texture.Unit[unit]._ReallyEnabled) {
+         const GLfloat (*texcoords)[4]
+            = (const GLfloat (*)[4])
+            span->array->attribs[FRAG_ATTRIB_TEX0 + unit];
          const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
          const struct gl_texture_object *curObj = texUnit->_Current;
          GLfloat *lambda = span->array->lambda[unit];
@@ -1127,8 +1130,7 @@ _swrast_texture_span( GLcontext *ctx, SWspan *span )
 
          /* Sample the texture (span->end = number of fragments) */
          swrast->TextureSample[unit]( ctx, texUnit->_Current, span->end,
-                         (const GLfloat (*)[4]) span->array->texcoords[unit],
-                         lambda, texels );
+                                      texcoords, lambda, texels );
 
          /* GL_SGI_texture_color_table */
          if (texUnit->ColorTableEnabled) {
diff --git a/src/mesa/swrast/s_zoom.c b/src/mesa/swrast/s_zoom.c
index 29b8df41b7..34732a67e6 100644
--- a/src/mesa/swrast/s_zoom.c
+++ b/src/mesa/swrast/s_zoom.c
@@ -230,7 +230,7 @@ zoom_span( GLcontext *ctx, GLint imgX, GLint imgY, const SWspan *span,
             GLint j = unzoom_x(ctx->Pixel.ZoomX, imgX, x0 + i) - span->x;
             ASSERT(j >= 0);
             ASSERT(j < span->end);
-            COPY_4V(zoomed.array->color.sz4.rgba[i], rgba[j]);
+            COPY_4V(zoomed.array->attribs[FRAG_ATTRIB_COL0][i], rgba[j]);
          }
       }
    }
@@ -268,10 +268,10 @@ zoom_span( GLcontext *ctx, GLint imgX, GLint imgY, const SWspan *span,
             GLint j = unzoom_x(ctx->Pixel.ZoomX, imgX, x0 + i) - span->x;
             ASSERT(j >= 0);
             ASSERT(j < span->end);
-            zoomed.array->color.sz4.rgba[i][0] = rgb[j][0];
-            zoomed.array->color.sz4.rgba[i][1] = rgb[j][1];
-            zoomed.array->color.sz4.rgba[i][2] = rgb[j][2];
-            zoomed.array->color.sz4.rgba[i][3] = 1.0F;
+            zoomed.array->attribs[FRAG_ATTRIB_COL0][i][0] = rgb[j][0];
+            zoomed.array->attribs[FRAG_ATTRIB_COL0][i][1] = rgb[j][1];
+            zoomed.array->attribs[FRAG_ATTRIB_COL0][i][2] = rgb[j][2];
+            zoomed.array->attribs[FRAG_ATTRIB_COL0][i][3] = 1.0F;
          }
       }
    }