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author | Brian Paul <brianp@vmware.com> | 2010-02-01 18:00:12 -0700 |
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committer | Brian Paul <brianp@vmware.com> | 2010-02-01 18:00:12 -0700 |
commit | a2ddb3d20964e562e3dcb0e973f300362a9d5d69 (patch) | |
tree | b4da567481e8b97f4e042f33d16158829fcfc2dd /progs/trivial | |
parent | 9a1bf52c184b6c0393543fe4bb03c790630b9e21 (diff) |
mesa: change _mesa_find_free_register() to find multiple free regs
Before, _mesa_find_free_register() would scan the given shader to
find a free/unused register of the given type. But subsequent calls
would return the same register again. This caused a failure in the
_mesa_remove_output_reads() function which sometimes needs several
free temps.
Now use a new function which build a vector of 'used' flags and another
function which searches that vector for an unused register starting at
a position that's incremented for each call.
Fixes fd.o bug 26317. Note that a regression test for this has been
added to the glean/glsl1 test.
(cherry picked from commit e0d01c9d7f46ccd531f8dd1a04c5ac067200ef1e)
Diffstat (limited to 'progs/trivial')
0 files changed, 0 insertions, 0 deletions