fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2025-12-24 19:40:10 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

pack output vertex attributes in sequential slots

Browse source
This commit is contained in:
Brian 2007-08-17 15:28:17 +01:00
parent 1e6d1ab6fc
commit c5004c7db6
1 changed files with 16 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

22
src/mesa/pipe/softpipe/sp_draw_arrays.c
View file

@ -144,6 +144,12 @@ run_vertex_program(struct draw_context *draw,
machine.Inputs[attr].xyzw[1].f[j] = p[1]; /*Y*/
machine.Inputs[attr].xyzw[2].f[j] = p[2]; /*Z*/
machine.Inputs[attr].xyzw[3].f[j] = 1.0; /*W*/
#if 0
if (attr == 0) {
printf("Input vertex %d: %f %f %f\n",
j, p[0], p[1], p[2]);
}
#endif
}
}
}
@ -173,7 +179,7 @@ run_vertex_program(struct draw_context *draw,
/* store machine results */
assert(sp->vs.outputs_written & (1 << VERT_RESULT_HPOS));
for (j = 0; j < count; j++) {
unsigned attr;
unsigned attr, slot;
float x, y, z, w;
/* Handle attr[0] (position) specially: */
@ -183,7 +189,7 @@ run_vertex_program(struct draw_context *draw,
w = vOut[j]->clip[3] = outputs[0].xyzw[3].f[j];
vOut[j]->clipmask = compute_clipmask(x, y, z, w);
vOut[j]->edgeflag = 0;
vOut[j]->edgeflag = 1;
/* divide by w */
w = 1.0 / w;
@ -204,12 +210,16 @@ run_vertex_program(struct draw_context *draw,
#endif
/* remaining attributes: */
/* pack into sequential post-transform attrib slots */
slot = 1;
for (attr = 1; attr < VERT_RESULT_MAX; attr++) {
if (sp->vs.outputs_written & (1 << attr)) {
vOut[j]->data[attr][0] = outputs[attr].xyzw[0].f[j];
vOut[j]->data[attr][1] = outputs[attr].xyzw[1].f[j];
vOut[j]->data[attr][2] = outputs[attr].xyzw[2].f[j];
vOut[j]->data[attr][3] = outputs[attr].xyzw[3].f[j];
assert(slot < draw->nr_attrs - 2);
vOut[j]->data[slot][0] = outputs[attr].xyzw[0].f[j];
vOut[j]->data[slot][1] = outputs[attr].xyzw[1].f[j];
vOut[j]->data[slot][2] = outputs[attr].xyzw[2].f[j];
vOut[j]->data[slot][3] = outputs[attr].xyzw[3].f[j];
slot++;
}
}
}