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i965: Validate the number of URB entries selected for the VS.

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This commit is contained in:
Eric Anholt 2009-11-12 14:05:18 -08:00
parent 3c05c1eb63
commit 8e8586e626
1 changed files with 33 additions and 4 deletions
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37
src/mesa/drivers/dri/i965/brw_vs_state.c
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@ -109,10 +109,39 @@ vs_unit_create_from_key(struct brw_context *brw, struct brw_vs_unit_key *key)
vs.thread3.urb_entry_read_offset = 0;
vs.thread3.const_urb_entry_read_offset = key->curbe_offset * 2;
if (BRW_IS_IGDNG(brw))
vs.thread4.nr_urb_entries = key->nr_urb_entries >> 2;
else
vs.thread4.nr_urb_entries = key->nr_urb_entries;
if (BRW_IS_IGDNG(brw)) {
switch (key->nr_urb_entries) {
case 8:
case 12:
case 16:
case 32:
case 64:
case 96:
case 128:
case 168:
case 192:
case 224:
case 256:
vs.thread4.nr_urb_entries = key->nr_urb_entries >> 2;
break;
default:
assert(0);
}
} else {
switch (key->nr_urb_entries) {
case 8:
case 12:
case 16:
case 32:
break;
case 64:
assert(BRW_IS_G4X(brw));
break;
default:
assert(0);
}
vs.thread4.nr_urb_entries = key->nr_urb_entries;
}
vs.thread4.urb_entry_allocation_size = key->urb_size - 1;