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

1 files changed, 21 insertions, 0 deletions

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)))))
+))