From 8984203abb711d5b9e763afc6afc8f52cc4f7cc2 Mon Sep 17 00:00:00 2001
From: Kenneth Graunke <kenneth@whitecape.org>
Date: Fri, 9 Jul 2010 12:12:41 -0700
Subject: glsl2/builtins: Rework min/max to use scalar/vector combinations.

---
 src/glsl/builtins/110/max | 27 +++------------------------
 src/glsl/builtins/110/min | 27 +++------------------------
 2 files changed, 6 insertions(+), 48 deletions(-)

(limited to 'src/glsl/builtins/110')

diff --git a/src/glsl/builtins/110/max b/src/glsl/builtins/110/max
index c05545f3d9..f91ae417e4 100644
--- a/src/glsl/builtins/110/max
+++ b/src/glsl/builtins/110/max
@@ -27,38 +27,17 @@
      (parameters
        (declare (in) vec2  arg0)
        (declare (in) float arg1))
-     ((declare () vec2 result)
-      (assign (constant bool (1))   (swiz x (var_ref result))
-              (expression float max (swiz x (var_ref arg0)) (var_ref arg1)))
-      (assign (constant bool (1))   (swiz y (var_ref result))
-              (expression float max (swiz y (var_ref arg0)) (var_ref arg1)))
-      (return (var_ref result))))
+     ((return (expression vec2 max (var_ref arg0) (var_ref arg1)))))
 
    (signature vec3
      (parameters
        (declare (in) vec3  arg0)
        (declare (in) float arg1))
-     ((declare () vec3 result)
-      (assign (constant bool (1))   (swiz x (var_ref result))
-              (expression float max (swiz x (var_ref arg0)) (var_ref arg1)))
-      (assign (constant bool (1))   (swiz y (var_ref result))
-              (expression float max (swiz y (var_ref arg0)) (var_ref arg1)))
-      (assign (constant bool (1))   (swiz z (var_ref result))
-              (expression float max (swiz z (var_ref arg0)) (var_ref arg1)))
-      (return (var_ref result))))
+     ((return (expression vec3 max (var_ref arg0) (var_ref arg1)))))
 
    (signature vec4
      (parameters
        (declare (in) vec4  arg0)
        (declare (in) float arg1))
-     ((declare () vec4 result)
-      (assign (constant bool (1))   (swiz x (var_ref result))
-              (expression float max (swiz x (var_ref arg0)) (var_ref arg1)))
-      (assign (constant bool (1))   (swiz y (var_ref result))
-              (expression float max (swiz y (var_ref arg0)) (var_ref arg1)))
-      (assign (constant bool (1))   (swiz z (var_ref result))
-              (expression float max (swiz z (var_ref arg0)) (var_ref arg1)))
-      (assign (constant bool (1))   (swiz w (var_ref result))
-              (expression float max (swiz w (var_ref arg0)) (var_ref arg1)))
-      (return (var_ref result))))
+     ((return (expression vec4 max (var_ref arg0) (var_ref arg1)))))
 ))
diff --git a/src/glsl/builtins/110/min b/src/glsl/builtins/110/min
index 31e7948940..78fc44120a 100644
--- a/src/glsl/builtins/110/min
+++ b/src/glsl/builtins/110/min
@@ -27,38 +27,17 @@
      (parameters
        (declare (in) vec2  arg0)
        (declare (in) float arg1))
-     ((declare () vec2 result)
-      (assign (constant bool (1))   (swiz x (var_ref result))
-              (expression float min (swiz x (var_ref arg0)) (var_ref arg1)))
-      (assign (constant bool (1))   (swiz y (var_ref result))
-              (expression float min (swiz y (var_ref arg0)) (var_ref arg1)))
-      (return (var_ref result))))
+     ((return (expression vec2 min (var_ref arg0) (var_ref arg1)))))
 
    (signature vec3
      (parameters
        (declare (in) vec3  arg0)
        (declare (in) float arg1))
-     ((declare () vec3 result)
-      (assign (constant bool (1))   (swiz x (var_ref result))
-              (expression float min (swiz x (var_ref arg0)) (var_ref arg1)))
-      (assign (constant bool (1))   (swiz y (var_ref result))
-              (expression float min (swiz y (var_ref arg0)) (var_ref arg1)))
-      (assign (constant bool (1))   (swiz z (var_ref result))
-              (expression float min (swiz z (var_ref arg0)) (var_ref arg1)))
-      (return (var_ref result))))
+     ((return (expression vec3 min (var_ref arg0) (var_ref arg1)))))
 
    (signature vec4
      (parameters
        (declare (in) vec4  arg0)
        (declare (in) float arg1))
-     ((declare () vec4 result)
-      (assign (constant bool (1))   (swiz x (var_ref result))
-              (expression float min (swiz x (var_ref arg0)) (var_ref arg1)))
-      (assign (constant bool (1))   (swiz y (var_ref result))
-              (expression float min (swiz y (var_ref arg0)) (var_ref arg1)))
-      (assign (constant bool (1))   (swiz z (var_ref result))
-              (expression float min (swiz z (var_ref arg0)) (var_ref arg1)))
-      (assign (constant bool (1))   (swiz w (var_ref result))
-              (expression float min (swiz w (var_ref arg0)) (var_ref arg1)))
-      (return (var_ref result))))
+     ((return (expression vec4 min (var_ref arg0) (var_ref arg1)))))
 ))
-- 
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