commit 528bb853599f514611e8e49adc758662219dacf7
author Eric Anholt <eric@anholt.net> Wed Mar 31 21:09:02 2010 -1000
committer Ian Romanick <ian.d.romanick@intel.com> Fri Apr 02 11:22:41 2010 -0700
tree 074fbc9d6d14e1e9c00e8c7469c3e5e2ae90e148
parent ebbf14b9801d577adf40dcb0b63df2d3b8da934e

Handle logic not in constant expression evaluation.

ir_constant_expression.cpp

diff --git a/ir_constant_expression.cpp b/ir_constant_expression.cpp
index 942bd80..c7c4d7b 100644
--- a/ir_constant_expression.cpp
+++ b/ir_constant_expression.cpp
@@ -135,6 +135,13 @@
    ir_constant *op[2];
 
    switch (ir->operation) {
+   case ir_unop_logic_not:
+      op[0] = ir->operands[0]->constant_expression_value();
+      if (op[0]) {
+	 value = new ir_constant(!op[0]->value.b[0]);
+	 value->type = glsl_type::bool_type;
+      }
+      break;
    case ir_binop_mul:
       op[0] = ir->operands[0]->constant_expression_value();
       op[1] = ir->operands[1]->constant_expression_value();