ir_constant_expression: Add support for the "length" builtin.

2010-07-21 18:26:00 -07:00
parent ffcec13599
commit 5489ad086f
1 changed files with 1 additions and 1 deletions
@@ -925,7 +925,7 @@ ir_call::constant_expression_value()
   } else if (strcmp(callee, "inversesqrt") == 0) {
      expr = new(mem_ctx) ir_expression(ir_unop_rsq, type, op[0], NULL);
   } else if (strcmp(callee, "length") == 0) {
-      return NULL; /* FINISHME: implement this */
+      return new(mem_ctx) ir_constant(sqrtf(dot(op[0], op[0])));
   } else if (strcmp(callee, "lessThan") == 0) {
      assert(op[0]->type->is_vector() && op[1] && op[1]->type->is_vector());
      for (unsigned c = 0; c < op[0]->type->components(); c++) {