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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 "compiler/glsl_types.h"
38 ir_rvalue_base_visitor::rvalue_visit(ir_expression
*ir
)
42 for (operand
= 0; operand
< ir
->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_comparator
);
55 handle_rvalue(&ir
->offset
);
61 case ir_texture_samples
:
62 case ir_samples_identical
:
65 handle_rvalue(&ir
->lod_info
.bias
);
70 handle_rvalue(&ir
->lod_info
.lod
);
73 handle_rvalue(&ir
->lod_info
.sample_index
);
76 handle_rvalue(&ir
->lod_info
.grad
.dPdx
);
77 handle_rvalue(&ir
->lod_info
.grad
.dPdy
);
80 handle_rvalue(&ir
->lod_info
.component
);
84 return visit_continue
;
88 ir_rvalue_base_visitor::rvalue_visit(ir_swizzle
*ir
)
90 handle_rvalue(&ir
->val
);
91 return visit_continue
;
95 ir_rvalue_base_visitor::rvalue_visit(ir_dereference_array
*ir
)
97 /* The array index is not the target of the assignment, so clear the
98 * 'in_assignee' flag. Restore it after returning from the array index.
100 const bool was_in_assignee
= this->in_assignee
;
101 this->in_assignee
= false;
102 handle_rvalue(&ir
->array_index
);
103 this->in_assignee
= was_in_assignee
;
105 handle_rvalue(&ir
->array
);
106 return visit_continue
;
110 ir_rvalue_base_visitor::rvalue_visit(ir_dereference_record
*ir
)
112 handle_rvalue(&ir
->record
);
113 return visit_continue
;
117 ir_rvalue_base_visitor::rvalue_visit(ir_assignment
*ir
)
119 handle_rvalue(&ir
->rhs
);
120 handle_rvalue(&ir
->condition
);
122 return visit_continue
;
126 ir_rvalue_base_visitor::rvalue_visit(ir_call
*ir
)
128 foreach_in_list_safe(ir_rvalue
, param
, &ir
->actual_parameters
) {
129 ir_rvalue
*new_param
= param
;
130 handle_rvalue(&new_param
);
132 if (new_param
!= param
) {
133 param
->replace_with(new_param
);
136 return visit_continue
;
140 ir_rvalue_base_visitor::rvalue_visit(ir_discard
*ir
)
142 handle_rvalue(&ir
->condition
);
143 return visit_continue
;
147 ir_rvalue_base_visitor::rvalue_visit(ir_return
*ir
)
149 handle_rvalue(&ir
->value
);
150 return visit_continue
;
154 ir_rvalue_base_visitor::rvalue_visit(ir_if
*ir
)
156 handle_rvalue(&ir
->condition
);
157 return visit_continue
;
161 ir_rvalue_base_visitor::rvalue_visit(ir_emit_vertex
*ir
)
163 handle_rvalue(&ir
->stream
);
164 return visit_continue
;
168 ir_rvalue_base_visitor::rvalue_visit(ir_end_primitive
*ir
)
170 handle_rvalue(&ir
->stream
);
171 return visit_continue
;
175 ir_rvalue_visitor::visit_leave(ir_expression
*ir
)
177 return rvalue_visit(ir
);
181 ir_rvalue_visitor::visit_leave(ir_texture
*ir
)
183 return rvalue_visit(ir
);
187 ir_rvalue_visitor::visit_leave(ir_swizzle
*ir
)
189 return rvalue_visit(ir
);
193 ir_rvalue_visitor::visit_leave(ir_dereference_array
*ir
)
195 return rvalue_visit(ir
);
199 ir_rvalue_visitor::visit_leave(ir_dereference_record
*ir
)
201 return rvalue_visit(ir
);
205 ir_rvalue_visitor::visit_leave(ir_assignment
*ir
)
207 return rvalue_visit(ir
);
211 ir_rvalue_visitor::visit_leave(ir_call
*ir
)
213 return rvalue_visit(ir
);
217 ir_rvalue_visitor::visit_leave(ir_discard
*ir
)
219 return rvalue_visit(ir
);
223 ir_rvalue_visitor::visit_leave(ir_return
*ir
)
225 return rvalue_visit(ir
);
229 ir_rvalue_visitor::visit_leave(ir_if
*ir
)
231 return rvalue_visit(ir
);
235 ir_rvalue_visitor::visit_leave(ir_emit_vertex
*ir
)
237 return rvalue_visit(ir
);
241 ir_rvalue_visitor::visit_leave(ir_end_primitive
*ir
)
243 return rvalue_visit(ir
);
247 ir_rvalue_enter_visitor::visit_enter(ir_expression
*ir
)
249 return rvalue_visit(ir
);
253 ir_rvalue_enter_visitor::visit_enter(ir_texture
*ir
)
255 return rvalue_visit(ir
);
259 ir_rvalue_enter_visitor::visit_enter(ir_swizzle
*ir
)
261 return rvalue_visit(ir
);
265 ir_rvalue_enter_visitor::visit_enter(ir_dereference_array
*ir
)
267 return rvalue_visit(ir
);
271 ir_rvalue_enter_visitor::visit_enter(ir_dereference_record
*ir
)
273 return rvalue_visit(ir
);
277 ir_rvalue_enter_visitor::visit_enter(ir_assignment
*ir
)
279 return rvalue_visit(ir
);
283 ir_rvalue_enter_visitor::visit_enter(ir_call
*ir
)
285 return rvalue_visit(ir
);
289 ir_rvalue_enter_visitor::visit_enter(ir_discard
*ir
)
291 return rvalue_visit(ir
);
295 ir_rvalue_enter_visitor::visit_enter(ir_return
*ir
)
297 return rvalue_visit(ir
);
301 ir_rvalue_enter_visitor::visit_enter(ir_if
*ir
)
303 return rvalue_visit(ir
);
307 ir_rvalue_enter_visitor::visit_enter(ir_emit_vertex
*ir
)
309 return rvalue_visit(ir
);
313 ir_rvalue_enter_visitor::visit_enter(ir_end_primitive
*ir
)
315 return rvalue_visit(ir
);