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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 "ir_print_visitor.h"
36 #include "glsl_types.h"
39 ir_rvalue_visitor::visit_leave(ir_expression *ir)
43 for (operand = 0; operand < ir->get_num_operands(); operand++) {
44 handle_rvalue(&ir->operands[operand]);
47 return visit_continue;
51 ir_rvalue_visitor::visit_leave(ir_texture *ir)
53 handle_rvalue(&ir->coordinate);
54 handle_rvalue(&ir->projector);
55 handle_rvalue(&ir->shadow_comparitor);
56 handle_rvalue(&ir->offset);
62 handle_rvalue(&ir->lod_info.bias);
67 handle_rvalue(&ir->lod_info.lod);
70 handle_rvalue(&ir->lod_info.grad.dPdx);
71 handle_rvalue(&ir->lod_info.grad.dPdy);
75 return visit_continue;
79 ir_rvalue_visitor::visit_leave(ir_swizzle *ir)
81 handle_rvalue(&ir->val);
82 return visit_continue;
86 ir_rvalue_visitor::visit_leave(ir_dereference_array *ir)
88 /* The array index is not the target of the assignment, so clear the
89 * 'in_assignee' flag. Restore it after returning from the array index.
91 const bool was_in_assignee = this->in_assignee;
92 this->in_assignee = false;
93 handle_rvalue(&ir->array_index);
94 this->in_assignee = was_in_assignee;
96 handle_rvalue(&ir->array);
97 return visit_continue;
101 ir_rvalue_visitor::visit_leave(ir_dereference_record *ir)
103 handle_rvalue(&ir->record);
104 return visit_continue;
108 ir_rvalue_visitor::visit_leave(ir_assignment *ir)
110 handle_rvalue(&ir->rhs);
111 handle_rvalue(&ir->condition);
113 return visit_continue;
117 ir_rvalue_visitor::visit_leave(ir_call *ir)
119 foreach_iter(exec_list_iterator, iter, *ir) {
120 ir_rvalue *param = (ir_rvalue *)iter.get();
121 ir_rvalue *new_param = param;
122 handle_rvalue(&new_param);
124 if (new_param != param) {
125 param->replace_with(new_param);
128 return visit_continue;
132 ir_rvalue_visitor::visit_leave(ir_return *ir)
134 handle_rvalue(&ir->value);;
135 return visit_continue;
139 ir_rvalue_visitor::visit_leave(ir_if *ir)
141 handle_rvalue(&ir->condition);
142 return visit_continue;