Add builtin normalize() functions.
Fixes CorrectSqizzle2.vert.
diff --git a/builtin_function.cpp b/builtin_function.cpp
index e537141..1fdf882 100644
--- a/builtin_function.cpp
+++ b/builtin_function.cpp
@@ -189,6 +189,24 @@
static void
+generate_normalize(exec_list *instructions,
+ ir_variable **declarations,
+ const glsl_type *type)
+{
+ ir_dereference *const arg = new ir_dereference(declarations[0]);
+ ir_rvalue *temp;
+ ir_rvalue *result;
+
+ temp = new ir_expression(ir_binop_dot, glsl_type::float_type, arg, arg);
+ temp = new ir_expression(ir_unop_rsq, glsl_type::float_type, temp, NULL);
+ result = new ir_expression(ir_binop_mul, type, arg, temp);
+
+ ir_instruction *inst = new ir_return(result);
+ instructions->push_tail(inst);
+}
+
+
+static void
generate_pow(exec_list *instructions,
ir_variable **declarations,
const glsl_type *type)
@@ -386,6 +404,8 @@
/* FINISHME: distance() */
generate_dot_functions(symtab, instructions);
/* FINISHME: cross() */
+ make_gentype_function(symtab, instructions, "normalize", 1,
+ generate_normalize);
/* FINISHME: normalize() */
/* FINISHME: ftransform() */
/* FINISHME: faceforward() */