commit aca01edc8336fd14005a7ac853e7158f31a74940
author Kenneth Graunke <kenneth@whitecape.org> Thu Jul 08 23:14:32 2010 -0700
committer Kenneth Graunke <kenneth@whitecape.org> Wed Jul 14 15:50:27 2010 -0700
tree f4d9afb96d61f5392cc63a712f579605196ec5af
parent 14b7b2660c771aa090477c11f85da998ec3d2570

ir_constant_expression: Add support for ir_unop_exp2.

This uses a C99 function.

src/glsl/ir_constant_expression.cpp

diff --git a/src/glsl/ir_constant_expression.cpp b/src/glsl/ir_constant_expression.cpp
index 5ba6264..871bce4 100644
--- a/src/glsl/ir_constant_expression.cpp
+++ b/src/glsl/ir_constant_expression.cpp
@@ -323,6 +323,13 @@
       }
       break;
 
+   case ir_unop_exp2:
+      assert(op[0]->type->base_type == GLSL_TYPE_FLOAT);
+      for (unsigned c = 0; c < ir->operands[0]->type->components(); c++) {
+	 data.f[c] = exp2f(op[0]->value.f[c]);
+      }
+      break;
+
    case ir_unop_log:
       assert(op[0]->type->base_type == GLSL_TYPE_FLOAT);
       for (unsigned c = 0; c < ir->operands[0]->type->components(); c++) {