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gallium: don't hard-code attrib slot=0 in setup_fragcoord_coeff()

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This commit is contained in:
Brian 2008-02-19 14:56:01 -07:00
parent b1c8fa5b60
commit a2c06c5b5c
1 changed files with 18 additions and 23 deletions
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41
src/gallium/drivers/softpipe/sp_prim_setup.c
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@ -476,33 +476,33 @@ static void tri_persp_coeff( struct setup_stage *setup,
* We could do a bit less work if we'd examine gl_FragCoord's swizzle mask.
*/
static void
setup_fragcoord_coeff(struct setup_stage *setup)
setup_fragcoord_coeff(struct setup_stage *setup, uint slot)
{
/*X*/
setup->coef[0].a0[0] = 0;
setup->coef[0].dadx[0] = 1.0;
setup->coef[0].dady[0] = 0.0;
setup->coef[slot].a0[0] = 0;
setup->coef[slot].dadx[0] = 1.0;
setup->coef[slot].dady[0] = 0.0;
/*Y*/
if (setup->softpipe->rasterizer->origin_lower_left) {
/* y=0=bottom */
const int winHeight = setup->softpipe->framebuffer.cbufs[0]->height;
setup->coef[0].a0[1] = (float) (winHeight - 1);
setup->coef[0].dady[1] = -1.0;
setup->coef[slot].a0[1] = (float) (winHeight - 1);
setup->coef[slot].dady[1] = -1.0;
}
else {
/* y=0=top */
setup->coef[0].a0[1] = 0.0;
setup->coef[0].dady[1] = 1.0;
setup->coef[slot].a0[1] = 0.0;
setup->coef[slot].dady[1] = 1.0;
}
setup->coef[0].dadx[1] = 0.0;
setup->coef[slot].dadx[1] = 0.0;
/*Z*/
setup->coef[0].a0[2] = setup->posCoef.a0[2];
setup->coef[0].dadx[2] = setup->posCoef.dadx[2];
setup->coef[0].dady[2] = setup->posCoef.dady[2];
setup->coef[slot].a0[2] = setup->posCoef.a0[2];
setup->coef[slot].dadx[2] = setup->posCoef.dadx[2];
setup->coef[slot].dady[2] = setup->posCoef.dady[2];
/*W*/
setup->coef[0].a0[3] = setup->posCoef.a0[3];
setup->coef[0].dadx[3] = setup->posCoef.dadx[3];
setup->coef[0].dady[3] = setup->posCoef.dady[3];
setup->coef[slot].a0[3] = setup->posCoef.a0[3];
setup->coef[slot].dadx[3] = setup->posCoef.dadx[3];
setup->coef[slot].dady[3] = setup->posCoef.dady[3];
}
@ -543,8 +543,7 @@ static void setup_tri_coefficients( struct setup_stage *setup )
tri_persp_coeff(setup, &setup->coef[fragSlot], vertSlot, j);
break;
case INTERP_POS:
assert(fragSlot == 0);
setup_fragcoord_coeff(setup);
setup_fragcoord_coeff(setup, fragSlot);
break;
default:
assert(0);
@ -798,9 +797,7 @@ setup_line_coefficients(struct setup_stage *setup, struct prim_header *prim)
line_persp_coeff(setup, &setup->coef[fragSlot], vertSlot, j);
break;
case INTERP_POS:
assert(fragSlot == 0);
assert(0); /* XXX fix this: */
setup_fragcoord_coeff(setup);
setup_fragcoord_coeff(setup, fragSlot);
break;
default:
assert(0);
@ -1022,9 +1019,7 @@ setup_point(struct draw_stage *stage, struct prim_header *prim)
&setup->coef[fragSlot], vertSlot, j);
break;
case INTERP_POS:
assert(fragSlot == 0);
assert(0); /* XXX fix this: */
setup_fragcoord_coeff(setup);
setup_fragcoord_coeff(setup, fragSlot);
break;
default:
assert(0);