From: Kenneth Graunke <kenneth@whitecape.org>
Date: Thu, 22 Jul 2010 00:39:47 +0000 (-0700)
Subject: ir_constant_expression: Add support for "acos" builtin.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=f6ea9dfe473ccb0b5121461653696fe07ee4f328;p=mesa.git

ir_constant_expression: Add support for "acos" builtin.
---

diff --git a/src/glsl/ir_constant_expression.cpp b/src/glsl/ir_constant_expression.cpp
index 2276f4d32e2..301bfa80251 100644
--- a/src/glsl/ir_constant_expression.cpp
+++ b/src/glsl/ir_constant_expression.cpp
@@ -817,6 +817,10 @@ ir_call::constant_expression_value()
 	    return new(mem_ctx) ir_constant(true);
       }
       return new(mem_ctx) ir_constant(false);
+   } else if (strcmp(callee, "acos") == 0) {
+      assert(op[0]->type->is_float());
+      for (unsigned c = 0; c < op[0]->type->components(); c++)
+	 data.f[c] = acosf(op[0]->value.f[c]);
    } else if (strcmp(callee, "asin") == 0) {
       assert(op[0]->type->is_float());
       for (unsigned c = 0; c < op[0]->type->components(); c++)