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25 * \file ir_rvalue_visitor.cpp
27 * Generic class to implement the common pattern we have of wanting to
28 * visit each ir_rvalue * and possibly change that node to a different
33 #include "ir_visitor.h"
34 #include "ir_rvalue_visitor.h"
35 #include "glsl_types.h"
38 ir_rvalue_base_visitor::rvalue_visit(ir_expression
*ir
)
42 for (operand
= 0; operand
< ir
->get_num_operands(); operand
++) {
43 handle_rvalue(&ir
->operands
[operand
]);
46 return visit_continue
;
50 ir_rvalue_base_visitor::rvalue_visit(ir_texture
*ir
)
52 handle_rvalue(&ir
->coordinate
);
53 handle_rvalue(&ir
->projector
);
54 handle_rvalue(&ir
->shadow_comparitor
);
55 handle_rvalue(&ir
->offset
);
63 handle_rvalue(&ir
->lod_info
.bias
);
68 handle_rvalue(&ir
->lod_info
.lod
);
71 handle_rvalue(&ir
->lod_info
.sample_index
);
74 handle_rvalue(&ir
->lod_info
.grad
.dPdx
);
75 handle_rvalue(&ir
->lod_info
.grad
.dPdy
);
78 handle_rvalue(&ir
->lod_info
.component
);
82 return visit_continue
;
86 ir_rvalue_base_visitor::rvalue_visit(ir_swizzle
*ir
)
88 handle_rvalue(&ir
->val
);
89 return visit_continue
;
93 ir_rvalue_base_visitor::rvalue_visit(ir_dereference_array
*ir
)
95 /* The array index is not the target of the assignment, so clear the
96 * 'in_assignee' flag. Restore it after returning from the array index.
98 const bool was_in_assignee
= this->in_assignee
;
99 this->in_assignee
= false;
100 handle_rvalue(&ir
->array_index
);
101 this->in_assignee
= was_in_assignee
;
103 handle_rvalue(&ir
->array
);
104 return visit_continue
;
108 ir_rvalue_base_visitor::rvalue_visit(ir_dereference_record
*ir
)
110 handle_rvalue(&ir
->record
);
111 return visit_continue
;
115 ir_rvalue_base_visitor::rvalue_visit(ir_assignment
*ir
)
117 handle_rvalue(&ir
->rhs
);
118 handle_rvalue(&ir
->condition
);
120 return visit_continue
;
124 ir_rvalue_base_visitor::rvalue_visit(ir_call
*ir
)
126 foreach_iter(exec_list_iterator
, iter
, *ir
) {
127 ir_rvalue
*param
= (ir_rvalue
*)iter
.get();
128 ir_rvalue
*new_param
= param
;
129 handle_rvalue(&new_param
);
131 if (new_param
!= param
) {
132 param
->replace_with(new_param
);
135 return visit_continue
;
139 ir_rvalue_base_visitor::rvalue_visit(ir_return
*ir
)
141 handle_rvalue(&ir
->value
);;
142 return visit_continue
;
146 ir_rvalue_base_visitor::rvalue_visit(ir_if
*ir
)
148 handle_rvalue(&ir
->condition
);
149 return visit_continue
;
154 ir_rvalue_visitor::visit_leave(ir_expression
*ir
)
156 return rvalue_visit(ir
);
160 ir_rvalue_visitor::visit_leave(ir_texture
*ir
)
162 return rvalue_visit(ir
);
166 ir_rvalue_visitor::visit_leave(ir_swizzle
*ir
)
168 return rvalue_visit(ir
);
172 ir_rvalue_visitor::visit_leave(ir_dereference_array
*ir
)
174 return rvalue_visit(ir
);
178 ir_rvalue_visitor::visit_leave(ir_dereference_record
*ir
)
180 return rvalue_visit(ir
);
184 ir_rvalue_visitor::visit_leave(ir_assignment
*ir
)
186 return rvalue_visit(ir
);
190 ir_rvalue_visitor::visit_leave(ir_call
*ir
)
192 return rvalue_visit(ir
);
196 ir_rvalue_visitor::visit_leave(ir_return
*ir
)
198 return rvalue_visit(ir
);
202 ir_rvalue_visitor::visit_leave(ir_if
*ir
)
204 return rvalue_visit(ir
);
208 ir_rvalue_enter_visitor::visit_enter(ir_expression
*ir
)
210 return rvalue_visit(ir
);
214 ir_rvalue_enter_visitor::visit_enter(ir_texture
*ir
)
216 return rvalue_visit(ir
);
220 ir_rvalue_enter_visitor::visit_enter(ir_swizzle
*ir
)
222 return rvalue_visit(ir
);
226 ir_rvalue_enter_visitor::visit_enter(ir_dereference_array
*ir
)
228 return rvalue_visit(ir
);
232 ir_rvalue_enter_visitor::visit_enter(ir_dereference_record
*ir
)
234 return rvalue_visit(ir
);
238 ir_rvalue_enter_visitor::visit_enter(ir_assignment
*ir
)
240 return rvalue_visit(ir
);
244 ir_rvalue_enter_visitor::visit_enter(ir_call
*ir
)
246 return rvalue_visit(ir
);
250 ir_rvalue_enter_visitor::visit_enter(ir_return
*ir
)
252 return rvalue_visit(ir
);
256 ir_rvalue_enter_visitor::visit_enter(ir_if
*ir
)
258 return rvalue_visit(ir
);