From: Kenneth Graunke <kenneth@whitecape.org>
Date: Thu, 14 Oct 2010 17:49:13 +0000 (-0700)
Subject: glsl: Add front-end support for the "trunc" built-in.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=090dd4fcc5d9f905c9dee9a8ad9972dad9d1166a;p=mesa.git

glsl: Add front-end support for the "trunc" built-in.
---

diff --git a/src/glsl/builtins/ir/trunc b/src/glsl/builtins/ir/trunc
new file mode 100644
index 00000000000..d320a2a7722
--- /dev/null
+++ b/src/glsl/builtins/ir/trunc
@@ -0,0 +1,21 @@
+((function trunc
+   (signature float
+     (parameters
+       (declare (in) float arg0))
+     ((return (expression float trunc (var_ref arg0)))))
+
+   (signature vec2
+     (parameters
+       (declare (in) vec2 arg0))
+     ((return (expression vec2 trunc (var_ref arg0)))))
+
+   (signature vec3
+     (parameters
+       (declare (in) vec3 arg0))
+     ((return (expression vec3 trunc (var_ref arg0)))))
+
+   (signature vec4
+     (parameters
+       (declare (in) vec4 arg0))
+     ((return (expression vec4 trunc (var_ref arg0)))))
+))
diff --git a/src/glsl/builtins/profiles/130.frag b/src/glsl/builtins/profiles/130.frag
index aa7a6adb1d7..51ee35ec090 100644
--- a/src/glsl/builtins/profiles/130.frag
+++ b/src/glsl/builtins/profiles/130.frag
@@ -143,6 +143,11 @@ vec2  floor(vec2  x);
 vec3  floor(vec3  x);
 vec4  floor(vec4  x);
 
+float trunc(float x);
+vec2  trunc(vec2  x);
+vec3  trunc(vec3  x);
+vec4  trunc(vec4  x);
+
 float ceil(float x);
 vec2  ceil(vec2  x);
 vec3  ceil(vec3  x);
diff --git a/src/glsl/builtins/profiles/130.vert b/src/glsl/builtins/profiles/130.vert
index d0152b03748..d5674c27e2c 100644
--- a/src/glsl/builtins/profiles/130.vert
+++ b/src/glsl/builtins/profiles/130.vert
@@ -143,6 +143,11 @@ vec2  floor(vec2  x);
 vec3  floor(vec3  x);
 vec4  floor(vec4  x);
 
+float trunc(float x);
+vec2  trunc(vec2  x);
+vec3  trunc(vec3  x);
+vec4  trunc(vec4  x);
+
 float ceil(float x);
 vec2  ceil(vec2  x);
 vec3  ceil(vec3  x);