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i965: Avoid division by zero.

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Fixes regression introduced by af5ca43f26

Cc: "12.0 11.2" <mesa-stable@lists.freedesktop.org>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=95419
This commit is contained in:
Ardinartsev Nikita 2016-06-22 18:28:11 -07:00 • committed by Matt Turner
parent a16d274032
commit 01c89ccc5d
1 changed files with 14 additions and 10 deletions
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24
src/mesa/drivers/dri/i965/gen7_urb.c
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@ -300,17 +300,21 @@ gen7_upload_urb(struct brw_context *brw)
remaining_space -= vs_additional;
total_wants -= vs_wants;
unsigned hs_additional = (unsigned)
round(hs_wants * (((double) remaining_space) / total_wants));
hs_chunks += hs_additional;
remaining_space -= hs_additional;
total_wants -= hs_wants;
if (total_wants > 0) {
unsigned hs_additional = (unsigned)
round(hs_wants * (((double) remaining_space) / total_wants));
hs_chunks += hs_additional;
remaining_space -= hs_additional;
total_wants -= hs_wants;
}
unsigned ds_additional = (unsigned)
round(ds_wants * (((double) remaining_space) / total_wants));
ds_chunks += ds_additional;
remaining_space -= ds_additional;
total_wants -= ds_wants;
if (total_wants > 0) {
unsigned ds_additional = (unsigned)
round(ds_wants * (((double) remaining_space) / total_wants));
ds_chunks += ds_additional;
remaining_space -= ds_additional;
total_wants -= ds_wants;
}
gs_chunks += remaining_space;
}