Module: Mesa Branch: master Commit: 01c89ccc5d1529aa1efbae80c8ef641a59abbd93 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=01c89ccc5d1529aa1efbae80c8ef641a59abbd93
Author: Ardinartsev Nikita <ardina...@gmail.com> Date: Wed Jun 22 18:28:11 2016 -0700 i965: Avoid division by zero. Fixes regression introduced by af5ca43f2676bff7499f93277f908b681cb821d0 Cc: "12.0 11.2" <mesa-sta...@lists.freedesktop.org> Reviewed-by: Matt Turner <matts...@gmail.com> Reviewed-by: Kenneth Graunke <kenn...@whitecape.org> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=95419 --- src/mesa/drivers/dri/i965/gen7_urb.c | 26 +++++++++++++++----------- 1 file changed, 15 insertions(+), 11 deletions(-) diff --git a/src/mesa/drivers/dri/i965/gen7_urb.c b/src/mesa/drivers/dri/i965/gen7_urb.c index 387ed2e..797d1b6 100644 --- a/src/mesa/drivers/dri/i965/gen7_urb.c +++ b/src/mesa/drivers/dri/i965/gen7_urb.c @@ -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; - - 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 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 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; } _______________________________________________ mesa-commit mailing list mesa-commit@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-commit
