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Add float/bool conversion to ir_constant_expression.cpp.

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Ian Romanick 2010-06-07 15:10:14 -07:00
parent 00eb466e38
commit 7dc2b71a89
1 changed files with 14 additions and 0 deletions
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14
ir_constant_expression.cpp
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@ -169,6 +169,20 @@ ir_constant_visitor::visit(ir_expression *ir)
f[c] = op[0]->value.u[c];
}
break;
case ir_unop_b2f:
assert(op[0]->type->base_type == GLSL_TYPE_BOOL);
type = ir->type;
for (c = 0; c < ir->operands[0]->type->components(); c++) {
f[c] = op[0]->value.b[c] ? 1.0 : 0.0;
}
break;
case ir_unop_f2b:
assert(op[0]->type->base_type == GLSL_TYPE_FLOAT);
type = ir->type;
for (c = 0; c < ir->operands[0]->type->components(); c++) {
b[c] = bool(op[0]->value.f[c]);
}
break;
case ir_unop_neg:
type = ir->type;