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authorMatt Turner <[email protected]>2014-04-03 13:57:44 -0700
committerMatt Turner <[email protected]>2014-04-05 09:47:36 -0700
commit92d03f7f2878b15a41077e1ea11962a47c1d9b29 (patch)
treeb99aecfbad8f716dd638a7c92d0fb86b779fbc29
parent7a7b8a02bed5a113fd0f8e45acc0eafdd7227b55 (diff)
i965/fs: Don't propagate saturation modifiers if there are source modifiers.
Which would lead to translating mad vgrf9:F, vgrf3:F, u0:F, vgrf6:F mov.sat vgrf7:F, -vgrf9:F into mad.sat vgrf9:F, vgrf3:F, u0:F, vgrf6:F mov vgrf7:F, -vgrf9:F Fixes some lighting effects in Dota2. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=76749 Reviewed-by: Ian Romanick <[email protected]>
-rw-r--r--src/mesa/drivers/dri/i965/brw_fs_saturate_propagation.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs_saturate_propagation.cpp b/src/mesa/drivers/dri/i965/brw_fs_saturate_propagation.cpp
index 4f3dcff500e..35e67740137 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_saturate_propagation.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_saturate_propagation.cpp
@@ -42,6 +42,8 @@ opt_saturate_propagation_local(fs_visitor *v, bblock_t *block)
if (inst->opcode != BRW_OPCODE_MOV ||
inst->dst.file != GRF ||
inst->src[0].file != GRF ||
+ inst->src[0].abs ||
+ inst->src[0].negate ||
!inst->saturate)
continue;