diff options
| author | Kristian Høgsberg <[email protected]> | 2014-10-27 23:42:41 -0700 |
|---|---|---|
| committer | Kristian Høgsberg <[email protected]> | 2014-12-10 12:28:32 -0800 |
| commit | 840e8fc9203390615f051259efeab0f61f48bbfc (patch) | |
| tree | fb978745a3b7afd74dbf111b11f1ceeb0d256363 /src/mesa/drivers | |
| parent | 47aaabda4771524755c9b3246d967afeb300a3ca (diff) | |
i965: Don't copy propagate constants from sources with saturate
We don't propagate the saturate bit and some instructions can't
saturate at all. If the source has saturate set, just skip propagation.
Signed-off-by: Kristian Høgsberg <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
Diffstat (limited to 'src/mesa/drivers')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp b/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp index e1989cb5e4c..611cff13846 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp @@ -425,6 +425,8 @@ fs_visitor::try_constant_propagate(fs_inst *inst, acp_entry *entry) if (entry->src.file != IMM) return false; + if (entry->saturate) + return false; for (int i = inst->sources - 1; i >= 0; i--) { if (inst->src[i].file != GRF) |