2 files changed, 10 insertions, 0 deletions
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);