Lines Matching refs:wpos
624 GLfloat (*wpos)[4] = span->array->attribs[FRAG_ATTRIB_WPOS];
631 wpos[i][0] = (GLfloat) span->array->x[i];
632 wpos[i][1] = (GLfloat) span->array->y[i];
637 wpos[i][0] = (GLfloat) span->x + i;
638 wpos[i][1] = (GLfloat) span->y;
645 wpos[i][2] = (GLfloat) span->array->z[i] * zScale;
646 wpos[i][3] = w;
1001 /* XXX always interpolate wpos so that DDX/DDY work */
