Overhaul/simplify SWvertex and SWspan attribute handling.

Instead of separate fog/specular/texcoord/varying code, just treat all of
them as generic attributes.  Simplifies the point/line/triangle functions.

4 files changed, 44 insertions, 44 deletions

diff --git a/src/mesa/drivers/dri/ffb/ffb_tris.c b/src/mesa/drivers/dri/ffb/ffb_tris.c
index ca0e514dc0..9fae8c8283 100644
--- a/src/mesa/drivers/dri/ffb/ffb_tris.c
+++ b/src/mesa/drivers/dri/ffb/ffb_tris.c
@@ -138,10 +138,10 @@ static void ffb_translate_vertex(GLcontext *ctx, const ffb_vertex *src,
 	const GLfloat ty = m[13];
 	const GLfloat tz = m[14];
 
-	dst->win[0] = sx * src->x + tx;
-	dst->win[1] = sy * src->y + ty;
-	dst->win[2] = sz * src->z + tz;
-	dst->win[3] = 1.0;
+	dst->attrib[FRAG_ATTRIB_WPOS][0] = sx * src->x + tx;
+	dst->attrib[FRAG_ATTRIB_WPOS][1] = sy * src->y + ty;
+	dst->attrib[FRAG_ATTRIB_WPOS][2] = sz * src->z + tz;
+	dst->attrib[FRAG_ATTRIB_WPOS][3] = 1.0;
       
 	dst->color[0] = FFB_UBYTE_FROM_COLOR(src->color[0].red);
 	dst->color[1] = FFB_UBYTE_FROM_COLOR(src->color[0].green);
diff --git a/src/mesa/drivers/dri/mach64/mach64_native_vb.c b/src/mesa/drivers/dri/mach64/mach64_native_vb.c
index 81bcf802c7..75cf0e2ed2 100644
--- a/src/mesa/drivers/dri/mach64/mach64_native_vb.c
+++ b/src/mesa/drivers/dri/mach64/mach64_native_vb.c
@@ -44,7 +44,7 @@ void TAG(translate_vertex)(GLcontext *ctx,
    UNVIEWPORT_VARS;
    CARD32 *p = (CARD32 *)src + 10 - mmesa->vertex_size;
 
-   dst->win[3] = 1.0;
+   dst->attrib[FRAG_ATTRIB_WPOS][3] = 1.0;
    
    switch ( format ) {
       case TEX1_VERTEX_FORMAT:
@@ -75,17 +75,17 @@ void TAG(translate_vertex)(GLcontext *ctx,
 	 dst->attrib[FRAG_ATTRIB_TEX0][1] = LE32_IN_FLOAT( p++ );
 #endif
 	 dst->attrib[FRAG_ATTRIB_TEX0][3] = 1.0;
-	 dst->win[3] = LE32_IN_FLOAT( p++ );
+	 dst->attrib[FRAG_ATTRIB_WPOS][3] = LE32_IN_FLOAT( p++ );
 	
       case NOTEX_VERTEX_FORMAT:
-	 dst->specular[2] = ((GLubyte *)p)[0];
-	 dst->specular[1] = ((GLubyte *)p)[1];
-	 dst->specular[0] = ((GLubyte *)p)[2];
-	 dst->attrib[FRAG_ATTRIB_FOGC][0] = ((GLubyte *)p)[3];
+	 dst->attrib[FRAG_ATTRIB_COL1][2] = UBYTE_TO_FLOAT(((GLubyte *)p)[0]);
+	 dst->attrib[FRAG_ATTRIB_COL1][1] = UBYTE_TO_FLOAT(((GLubyte *)p)[1]);
+	 dst->attrib[FRAG_ATTRIB_COL1][0] = UBYTE_TO_FLOAT(((GLubyte *)p)[2]);
+	 dst->attrib[FRAG_ATTRIB_FOGC][0] = ((GLubyte *)p)[3]; /*XXX int->float?*/
 	 p++;
 
       case TINY_VERTEX_FORMAT:
-	 dst->win[2] = UNVIEWPORT_Z( LE32_IN( p++ ) );
+	 dst->attrib[FRAG_ATTRIB_WPOS][2] = UNVIEWPORT_Z( LE32_IN( p++ ) );
 
 	 dst->color[2] = ((GLubyte *)p)[0];
 	 dst->color[1] = ((GLubyte *)p)[1];
@@ -96,8 +96,8 @@ void TAG(translate_vertex)(GLcontext *ctx,
 	 {
 	    GLuint xy = LE32_IN( p );
 	    
-	    dst->win[0] = UNVIEWPORT_X( (GLfloat)(GLshort)( xy >> 16 ) );
-	    dst->win[1] = UNVIEWPORT_Y( (GLfloat)(GLshort)( xy & 0xffff ) );
+	    dst->attrib[FRAG_ATTRIB_WPOS][0] = UNVIEWPORT_X( (GLfloat)(GLshort)( xy >> 16 ) );
+	    dst->attrib[FRAG_ATTRIB_WPOS][1] = UNVIEWPORT_Y( (GLfloat)(GLshort)( xy & 0xffff ) );
 	 }
    }
 
diff --git a/src/mesa/drivers/dri/s3v/s3v_tritmp.h b/src/mesa/drivers/dri/s3v/s3v_tritmp.h
index 696fc02250..2321bd414f 100644
--- a/src/mesa/drivers/dri/s3v/s3v_tritmp.h
+++ b/src/mesa/drivers/dri/s3v/s3v_tritmp.h
@@ -43,12 +43,12 @@
 
 #define SORT_LINE_VERT() \
 do { \
-	if(v[0].win[1] <= v[1].win[1]) { \
+	if(v[0].attrib[FRAG_ATTRIB_WPOS][1] <= v[1].attrib[FRAG_ATTRIB_WPOS][1]) { \
 \
                 idx[0] = 0; \
                 idx[1] = 1; \
 \
-        } else if (v[0].win[1] > v[1].win[1]) { \
+        } else if (v[0].attrib[FRAG_ATTRIB_WPOS][1] > v[1].attrib[FRAG_ATTRIB_WPOS][1]) { \
 \
                 idx[0] = 1; \
                 idx[1] = 0; \
@@ -58,19 +58,19 @@ do { \
 
 #define SET_LINE_VERT() \
 do { \
-        x[0] = (v[idx[0]].win[0] * 1024.0f * 1024.0f); /* 0x100000 */ \
-        y[0] = fy[0] = dPriv->h - v[idx[0]].win[1]; \
-        z[0] = (v[idx[0]].win[2]) * 1024.0f * 32.0f; /* 0x8000; */ \
+        x[0] = (v[idx[0]].attrib[FRAG_ATTRIB_WPOS][0] * 1024.0f * 1024.0f); /* 0x100000 */ \
+        y[0] = fy[0] = dPriv->h - v[idx[0]].attrib[FRAG_ATTRIB_WPOS][1]; \
+        z[0] = (v[idx[0]].attrib[FRAG_ATTRIB_WPOS][2]) * 1024.0f * 32.0f; /* 0x8000; */ \
 \
-        x[1] = (v[idx[1]].win[0] * 1024.0f * 1024.0f); /* 0x100000 */ \
-        y[1] = dPriv->h - v[idx[1]].win[1]; \
-        z[1] = (v[idx[1]].win[2]) * 1024.0f * 32.0f; /* 0x8000 */ \
+        x[1] = (v[idx[1]].attrib[FRAG_ATTRIB_WPOS][0] * 1024.0f * 1024.0f); /* 0x100000 */ \
+        y[1] = dPriv->h - v[idx[1]].attrib[FRAG_ATTRIB_WPOS][1]; \
+        z[1] = (v[idx[1]].attrib[FRAG_ATTRIB_WPOS][2]) * 1024.0f * 32.0f; /* 0x8000 */ \
 } while(0)
 
 #define SET_LINE_XY() \
 do { \
-	tmp = v[idx[0]].win[0]; \
-        tmp2 = v[idx[1]].win[0]; \
+	tmp = v[idx[0]].attrib[FRAG_ATTRIB_WPOS][0]; \
+        tmp2 = v[idx[1]].attrib[FRAG_ATTRIB_WPOS][0]; \
 \
 	dx01 = x[0] - x[1]; \
         dy01 = y[0] - y[1]; \
@@ -265,7 +265,7 @@ do { \
 #define SORT_VERT() \
 do { \
 	for (i=0; i<3; i++) \
-		fy[i] = v[i].win[1]; \
+		fy[i] = v[i].attrib[FRAG_ATTRIB_WPOS][1]; \
 \
 		if (fy[1] > fy[0]) {  /* (fy[1] > fy[0]) */ \
 \
@@ -305,9 +305,9 @@ do { \
 do { \
 	for (i=0; i<3; i++) \
 	{ \
-		x[i] = ((v[idx[i]].win[0]) * /* 0x100000*/  1024.0 * 1024.0); \
-		y[i] = fy[i] = (dPriv->h - v[idx[i]].win[1]); \
-		z[i] = ((v[idx[i]].win[2]) * /* 0x8000 */ 1024.0 * 32.0); \
+		x[i] = ((v[idx[i]].attrib[FRAG_ATTRIB_WPOS][0]) * /* 0x100000*/  1024.0 * 1024.0); \
+		y[i] = fy[i] = (dPriv->h - v[idx[i]].attrib[FRAG_ATTRIB_WPOS][1]); \
+		z[i] = ((v[idx[i]].attrib[FRAG_ATTRIB_WPOS][2]) * /* 0x8000 */ 1024.0 * 32.0); \
 	} \
 \
 	ydiff = fy[0] - (float)y[0]; \
@@ -420,9 +420,9 @@ do { \
         v2 = (v[idx[2]].attrib[FRAG_ATTRIB_TEX0][1] \
                 * (GLfloat)(t->globj->Image[0][0]->Height) * 256.0); \
 \
-        w0 = (v[idx[0]].win[3]); \
-        w1 = (v[idx[1]].win[3]); \
-        w2 = (v[idx[2]].win[3]); \
+        w0 = (v[idx[0]].attrib[FRAG_ATTRIB_WPOS][3]); \
+        w1 = (v[idx[1]].attrib[FRAG_ATTRIB_WPOS][3]); \
+        w2 = (v[idx[2]].attrib[FRAG_ATTRIB_WPOS][3]); \
 } while (0)
 
 #define SET_BASEUV() \
@@ -732,8 +732,8 @@ DEBUG(("***\n"));
 
 #if (IND & S3V_RAST_CULL_BIT)
 	cull = vmesa->backface_sign *
-		((v[1].win[0] - v[0].win[0]) * (v[0].win[1] - v[2].win[1]) +
-		 (v[1].win[1] - v[0].win[1]) * (v[2].win[0] - v[0].win[0]));
+		((v[1].attrib[FRAG_ATTRIB_WPOS][0] - v[0].attrib[FRAG_ATTRIB_WPOS][0]) * (v[0].attrib[FRAG_ATTRIB_WPOS][1] - v[2].attrib[FRAG_ATTRIB_WPOS][1]) +
+		 (v[1].attrib[FRAG_ATTRIB_WPOS][1] - v[0].attrib[FRAG_ATTRIB_WPOS][1]) * (v[2].attrib[FRAG_ATTRIB_WPOS][0] - v[0].attrib[FRAG_ATTRIB_WPOS][0]));
 
 	if (cull < vmesa->cull_zero /* -0.02f */) return;
 #endif
@@ -842,8 +842,8 @@ static void TAG(s3v_quad)( s3vContextPtr vmesa,
 
 #if (IND & S3V_RAST_CULL_BIT)
 	cull = vmesa->backface_sign *
-		((v[1].win[0] - v[0].win[0]) * (v[0].win[1] - v[2].win[1]) +
-		 (v[1].win[1] - v[0].win[1]) * (v[2].win[0] - v[0].win[0]));
+		((v[1].attrib[FRAG_ATTRIB_WPOS][0] - v[0].attrib[FRAG_ATTRIB_WPOS][0]) * (v[0].attrib[FRAG_ATTRIB_WPOS][1] - v[2].attrib[FRAG_ATTRIB_WPOS][1]) +
+		 (v[1].attrib[FRAG_ATTRIB_WPOS][1] - v[0].attrib[FRAG_ATTRIB_WPOS][1]) * (v[2].attrib[FRAG_ATTRIB_WPOS][0] - v[0].attrib[FRAG_ATTRIB_WPOS][0]));
 
 	if (cull < vmesa->cull_zero /* -0.02f */) goto second; /* return; */ /* (a) */
 #endif
@@ -897,8 +897,8 @@ second:
 
 #if (IND & S3V_RAST_CULL_BIT)
 	cull = vmesa->backface_sign *
-		((v[1].win[0] - v[0].win[0]) * (v[0].win[1] - v[2].win[1]) +
-		 (v[1].win[1] - v[0].win[1]) * (v[2].win[0] - v[0].win[0]));
+		((v[1].attrib[FRAG_ATTRIB_WPOS][0] - v[0].attrib[FRAG_ATTRIB_WPOS][0]) * (v[0].attrib[FRAG_ATTRIB_WPOS][1] - v[2].attrib[FRAG_ATTRIB_WPOS][1]) +
+		 (v[1].attrib[FRAG_ATTRIB_WPOS][1] - v[0].attrib[FRAG_ATTRIB_WPOS][1]) * (v[2].attrib[FRAG_ATTRIB_WPOS][0] - v[0].attrib[FRAG_ATTRIB_WPOS][0]));
 		 
 	if (cull < /* -0.02f */ vmesa->cull_zero) return;
 #endif
diff --git a/src/mesa/drivers/dri/tdfx/tdfx_tris.c b/src/mesa/drivers/dri/tdfx/tdfx_tris.c
index 4ba2f40b9e..96f9ae27fc 100644
--- a/src/mesa/drivers/dri/tdfx/tdfx_tris.c
+++ b/src/mesa/drivers/dri/tdfx/tdfx_tris.c
@@ -142,10 +142,10 @@ tdfx_translate_vertex( GLcontext *ctx, const tdfxVertex *src, SWvertex *dst)
    tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
 
    if (fxMesa->vertexFormat == TDFX_LAYOUT_TINY) {
-      dst->win[0] = src->x - fxMesa->x_offset;
-      dst->win[1] = src->y - (fxMesa->screen_height - fxMesa->height - fxMesa->y_offset);
-      dst->win[2] = src->z;
-      dst->win[3] = 1.0;
+      dst->attrib[FRAG_ATTRIB_WPOS][0] = src->x - fxMesa->x_offset;
+      dst->attrib[FRAG_ATTRIB_WPOS][1] = src->y - (fxMesa->screen_height - fxMesa->height - fxMesa->y_offset);
+      dst->attrib[FRAG_ATTRIB_WPOS][2] = src->z;
+      dst->attrib[FRAG_ATTRIB_WPOS][3] = 1.0;
 
       dst->color[0] = src->color[2];
       dst->color[1] = src->color[1];
@@ -155,10 +155,10 @@ tdfx_translate_vertex( GLcontext *ctx, const tdfxVertex *src, SWvertex *dst)
    else {
       GLfloat w = 1.0 / src->rhw;
 
-      dst->win[0] = src->x - fxMesa->x_offset;
-      dst->win[1] = src->y - (fxMesa->screen_height - fxMesa->height - fxMesa->y_offset);
-      dst->win[2] = src->z;
-      dst->win[3] = src->rhw;
+      dst->attrib[FRAG_ATTRIB_WPOS][0] = src->x - fxMesa->x_offset;
+      dst->attrib[FRAG_ATTRIB_WPOS][1] = src->y - (fxMesa->screen_height - fxMesa->height - fxMesa->y_offset);
+      dst->attrib[FRAG_ATTRIB_WPOS][2] = src->z;
+      dst->attrib[FRAG_ATTRIB_WPOS][3] = src->rhw;
 
       dst->color[0] = src->color[2];
       dst->color[1] = src->color[1];