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ir_constant_visitor: Handle bool-to-int and int-to-bool

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Ian Romanick
2010-06-11 13:46:30 -07:00
parent 7825d3d157
commit 39d6dd3537
1 changed files with 15 additions and 0 deletions
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15
ir_constant_expression.cpp
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@@ -183,6 +183,21 @@ ir_constant_visitor::visit(ir_expression *ir)
b[c] = bool(op[0]->value.f[c]);
}
break;
case ir_unop_b2i:
assert(op[0]->type->base_type == GLSL_TYPE_BOOL);
type = ir->type;
for (c = 0; c < ir->operands[0]->type->components(); c++) {
u[c] = op[0]->value.b[c] ? 1 : 0;
i[c] = u[c];
}
break;
case ir_unop_i2b:
assert(op[0]->type->is_integer());
type = ir->type;
for (c = 0; c < ir->operands[0]->type->components(); c++) {
b[c] = bool(op[0]->value.u[c]);
}
break;
case ir_unop_neg:
type = ir->type;