From 574c53f551cb35173aee4acfa5c374613b953264 Mon Sep 17 00:00:00 2001 From: Kenneth Graunke Date: Tue, 19 Oct 2010 11:56:47 -0700 Subject: glsl: Add support for GLSL 1.30's modf built-in. --- src/glsl/builtins/ir/modf | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 src/glsl/builtins/ir/modf (limited to 'src/glsl/builtins/ir') diff --git a/src/glsl/builtins/ir/modf b/src/glsl/builtins/ir/modf new file mode 100644 index 0000000000..2b935a91a7 --- /dev/null +++ b/src/glsl/builtins/ir/modf @@ -0,0 +1,41 @@ +((function modf + (signature float + (parameters + (declare (in) float x) + (declare (out) float i)) + ((declare () float t) + (assign (constant bool (1)) (x) (var_ref t) + (expression float trunc (var_ref x))) + (assign (constant bool (1)) (x) (var_ref i) (var_ref t)) + (return (expression float - (var_ref x) (var_ref t))))) + + (signature vec2 + (parameters + (declare (in) vec2 x) + (declare (out) vec2 i)) + ((declare () vec2 t) + (assign (constant bool (1)) (xy) (var_ref t) + (expression vec2 trunc (var_ref x))) + (assign (constant bool (1)) (xy) (var_ref i) (var_ref t)) + (return (expression vec2 - (var_ref x) (var_ref t))))) + + (signature vec3 + (parameters + (declare (in) vec3 x) + (declare (out) vec3 i)) + ((declare () vec3 t) + (assign (constant bool (1)) (xyz) (var_ref t) + (expression vec3 trunc (var_ref x))) + (assign (constant bool (1)) (xyz) (var_ref i) (var_ref t)) + (return (expression vec3 - (var_ref x) (var_ref t))))) + + (signature vec4 + (parameters + (declare (in) vec4 x) + (declare (out) vec4 i)) + ((declare () vec4 t) + (assign (constant bool (1)) (xyzw) (var_ref t) + (expression vec4 trunc (var_ref x))) + (assign (constant bool (1)) (xyzw) (var_ref i) (var_ref t)) + (return (expression vec4 - (var_ref x) (var_ref t))))) +)) -- cgit v1.2.3