Mesa (master): i965: Fix negation in the new FS backend.
Eric Anholt
anholt at kemper.freedesktop.org
Tue Sep 28 16:38:02 UTC 2010
Module: Mesa
Branch: master
Commit: fceb78e3cc67d035a69613826f46a18e62235f5c
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=fceb78e3cc67d035a69613826f46a18e62235f5c
Author: Eric Anholt <eric at anholt.net>
Date: Mon Sep 27 21:15:28 2010 -0700
i965: Fix negation in the new FS backend.
Fixes:
glsl1-Negation
glsl1-Negation2
---
src/mesa/drivers/dri/i965/brw_fs.cpp | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index 7f2bf84..d05aa29 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -638,7 +638,7 @@ fs_visitor::visit(ir_expression *ir)
emit(fs_inst(BRW_OPCODE_ADD, this->result, op[0], fs_reg(-1)));
break;
case ir_unop_neg:
- op[0].negate = ~op[0].negate;
+ op[0].negate = !op[0].negate;
this->result = op[0];
break;
case ir_unop_abs:
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