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ir_constant: Support constant structures in clone

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This commit is contained in:
Ian Romanick 2010-06-09 17:18:04 -07:00
parent 7f1ab834d7
commit 710919fd7c
2 changed files with 43 additions and 4 deletions
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36
ir.cpp
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@ -184,6 +184,11 @@ ir_expression::get_operator(const char *str)
return (ir_expression_operation) -1;
}
ir_constant::ir_constant()
{
/* empty */
}
ir_constant::ir_constant(const struct glsl_type *type, const void *data)
{
unsigned size = 0;
@ -301,6 +306,37 @@ ir_constant::ir_constant(const struct glsl_type *type, exec_list *value_list)
}
}
ir_constant *
ir_constant::clone()
{
switch (this->type->base_type) {
case GLSL_TYPE_UINT:
case GLSL_TYPE_INT:
case GLSL_TYPE_FLOAT:
case GLSL_TYPE_BOOL:
return new ir_constant(this->type, &this->value);
case GLSL_TYPE_STRUCT: {
ir_constant *c = new ir_constant;
c->type = this->type;
for (exec_node *node = this->components.head
; !node->is_tail_sentinal()
; node = node->next) {
ir_constant *const orig = (ir_constant *) node;
c->components.push_tail(orig->clone());
}
return c;
}
default:
assert(!"Should not get here."); break;
return NULL;
}
}
bool
ir_constant::get_bool_component(unsigned i) const
{

11
ir.h
View file

@ -1055,10 +1055,7 @@ public:
virtual ir_visitor_status accept(ir_hierarchical_visitor *);
ir_constant *clone()
{
return new ir_constant(this->type, &this->value);
}
ir_constant *clone();
/**
* Get a particular component of a constant as a specific type
@ -1089,6 +1086,12 @@ public:
} value;
exec_list components;
private:
/**
* Parameterless constructor only used by the clone method
*/
ir_constant(void);
};
void