From: Kenneth Graunke <kenneth@whitecape.org>
Date: Thu, 9 Sep 2010 22:15:31 +0000 (-0700)
Subject: glsl/builtins: normalize of a negative scalar should be -1.0.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=6dcca5a308efd7a85caa52f970ed020926c487e9;p=mesa.git

glsl/builtins: normalize of a negative scalar should be -1.0.
---

diff --git a/src/glsl/builtin_function.cpp b/src/glsl/builtin_function.cpp
index d897fa65ec5..7e40cd7cc9c 100644
--- a/src/glsl/builtin_function.cpp
+++ b/src/glsl/builtin_function.cpp
@@ -2138,7 +2138,7 @@ static const char *builtin_normalize =
    "   (signature float\n"
    "     (parameters\n"
    "       (declare (in) float arg0))\n"
-   "     ((return (constant float (1.0)))))\n"
+   "     ((return (expression float sign (var_ref arg0)))))\n"
    "\n"
    "   (signature vec2\n"
    "     (parameters\n"
diff --git a/src/glsl/builtins/ir/normalize b/src/glsl/builtins/ir/normalize
index 02b249a57f8..0de0db0b648 100644
--- a/src/glsl/builtins/ir/normalize
+++ b/src/glsl/builtins/ir/normalize
@@ -2,7 +2,7 @@
    (signature float
      (parameters
        (declare (in) float arg0))
-     ((return (constant float (1.0)))))
+     ((return (expression float sign (var_ref arg0)))))
 
    (signature vec2
      (parameters