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| author | Ilia Mirkin <imirkin@alum.mit.edu> | 2015-07-01 18:22:23 -0400 |
|---|---|---|
| committer | Emil Velikov <emil.l.velikov@gmail.com> | 2015-07-08 13:34:06 +0100 |
| commit | 0b5a9660dc1210558e093d8690516c833a87a330 (patch) | |
| tree | bb7ce67551f4f50a6ec82a2ee280b18df8253580 | |
| parent | 1e8c43f4d0f6dd6699d5d72efbc02538733a38ec (diff) | |
mesa/prog: relative offsets into constbufs are not constant
The optimization logic relies on being able to read out constbuf values
from program parameters. However that only works if there's no relative
addressing involved.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=91173
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: "10.5 10.6" <mesa-stable@lists.freedesktop.org>
Reviewed-by: Chris Forbes <chrisf@ijw.co.nz>
(cherry picked from commit 197a19f9ed0ba12cc431542ac09f2af0a8bd0bce)
| -rw-r--r-- | src/mesa/program/prog_opt_constant_fold.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/mesa/program/prog_opt_constant_fold.c b/src/mesa/program/prog_opt_constant_fold.c index 3811c0d8aa6..e2518e660e6 100644 --- a/src/mesa/program/prog_opt_constant_fold.c +++ b/src/mesa/program/prog_opt_constant_fold.c @@ -38,6 +38,8 @@ src_regs_are_constant(const struct prog_instruction *inst, unsigned num_srcs) for (i = 0; i < num_srcs; i++) { if (inst->SrcReg[i].File != PROGRAM_CONSTANT) return false; + if (inst->SrcReg[i].RelAddr) + return false; } return true; |