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 d897fa65ec5cc3a8a94e6286b7ac8857149b393f..7e40cd7cc9c11a30f466a451e9a6d48216b8d5ae 100644 (file)
--- 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 02b249a57f81d2d89e5344d3927c433e688465a9..0de0db0b648cdb6c39275275cb8382f2d2683781 100644 (file)
--- 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